Preliminary implementation for the vocos model.

Cargo.toml

@@ -19,7 +19,7 @@ exclude = [
 resolver = "2"
 
 [workspace.package]
-version = "0.4.1"
+version = "0.4.0"
 edition = "2021"
 description = "Minimalist ML framework."
 repository = "https://github.com/huggingface/candle"
@@ -31,18 +31,17 @@ license = "MIT OR Apache-2.0"
 accelerate-src = { version = "0.3.2" }
 anyhow = { version = "1", features = ["backtrace"] }
 byteorder = "1.4.3"
-candle = { path = "./candle-core", package = "candle-core", version = "0.4.1" }
-candle-datasets = { path = "./candle-datasets", version = "0.4.1" }
-candle-flash-attn = { path = "./candle-flash-attn", version = "0.4.1" }
-candle-kernels = { path = "./candle-kernels", version = "0.4.1" }
-candle-metal-kernels = { path = "./candle-metal-kernels", version = "0.4.1" }
-candle-nn = { path = "./candle-nn", version = "0.4.1" }
-candle-onnx = { path = "./candle-onnx", version = "0.4.1" }
-candle-transformers = { path = "./candle-transformers", version = "0.4.1" }
+candle = { path = "./candle-core", package = "candle-core", version = "0.4.0" }
+candle-datasets = { path = "./candle-datasets", version = "0.4.0" }
+candle-flash-attn = { path = "./candle-flash-attn", version = "0.4.0" }
+candle-kernels = { path = "./candle-kernels", version = "0.4.0" }
+candle-metal-kernels = { path = "./candle-metal-kernels", version = "0.4.0" }
+candle-nn = { path = "./candle-nn", version = "0.4.0" }
+candle-onnx = { path = "./candle-onnx", version = "0.4.0" }
+candle-transformers = { path = "./candle-transformers", version = "0.4.0" }
 clap = { version = "4.2.4", features = ["derive"] }
 criterion = { version = "0.5.1", default-features=false }
 cudarc = { version = "0.10.0", features = ["f16"] }
-fancy-regex = "0.13.0"
 gemm = { version = "0.17.0", features = ["wasm-simd128-enable"] }
 hf-hub = "0.3.0"
 half = { version = "2.3.1", features = ["num-traits", "use-intrinsics", "rand_distr"] }

README.md

@@ -63,8 +63,6 @@ We also provide a some command line based examples using state of the art models
 - [LLaMA and LLaMA-v2](./candle-examples/examples/llama/): general LLM, includes
   the SOLAR-10.7B variant.
 - [Falcon](./candle-examples/examples/falcon/): general LLM.
-- [Gemma](./candle-examples/examples/gemma/): 2b and 7b general LLMs from Google
-  Deepmind.
 - [Phi-1, Phi-1.5, and Phi-2](./candle-examples/examples/phi/): 1.3b and 2.7b general LLMs with performance on par with LLaMA-v2 7b.
 - [StableLM-3B-4E1T](./candle-examples/examples/stable-lm/): a 3b general LLM
   pre-trained on 1T tokens of English and code datasets. Also supports
@@ -76,10 +74,9 @@ We also provide a some command line based examples using state of the art models
 - [Mixtral8x7b-v0.1](./candle-examples/examples/mixtral/): a sparse mixture of
   experts 8x7b general LLM with better performance than a Llama 2 70B model with
   much faster inference.
-- [StarCoder](./candle-examples/examples/bigcode/) and
-  [StarCoder2](./candle-examples/examples/starcoder2/): LLM specialized to code generation.
+- [StarCoder](./candle-examples/examples/bigcode/): LLM specialized to code generation.
 - [Qwen1.5](./candle-examples/examples/qwen/): Bilingual (English/Chinese) LLMs.
-- [RWKV v5 and v6](./candle-examples/examples/rwkv/): An RNN with transformer level LLM
+- [RWKV v5](./candle-examples/examples/rwkv/): An RNN with transformer level LLM
   performance.
 - [Replit-code-v1.5](./candle-examples/examples/replit-code/): a 3.3b LLM specialized for code completion.
 - [Yi-6B / Yi-34B](./candle-examples/examples/yi/): two bilingual
@@ -110,12 +107,7 @@ We also provide a some command line based examples using state of the art models
 
 <img src="https://github.com/huggingface/candle/raw/main/candle-examples/examples/segment-anything/assets/sam_merged.jpg" width="200">
 
-- [SegFormer](./candle-examples/examples/segformer/): transformer based semantic segmantation model.
 - [Whisper](./candle-examples/examples/whisper/): speech recognition model.
-- [EnCodec](./candle-examples/examples/encodec/): high-quality audio compression
-  model using residual vector quantization.
-- [MetaVoice](./candle-examples/examples/metavoice/): foundational model for
-  text-to-speech.
 - [T5](./candle-examples/examples/t5), [Bert](./candle-examples/examples/bert/),
   [JinaBert](./candle-examples/examples/jina-bert/) : useful for sentence embeddings.
 - [DINOv2](./candle-examples/examples/dinov2/): computer vision model trained
@@ -195,10 +187,9 @@ If you have an addition to this list, please submit a pull request.
     - Language Models.
         - LLaMA v1 and v2 with variants such as SOLAR-10.7B.
         - Falcon.
-        - StarCoder, StarCoder2.
+        - StarCoder.
         - Phi 1, 1.5, and 2.
         - Mamba, Minimal Mamba
-        - Gemma 2b and 7b.
         - Mistral 7b v0.1.
         - Mixtral 8x7b v0.1.
         - StableLM-3B-4E1T, StableLM-2-1.6B, Stable-Code-3B.
@@ -206,7 +197,7 @@ If you have an addition to this list, please submit a pull request.
         - Bert.
         - Yi-6B and Yi-34B.
         - Qwen1.5.
-        - RWKV v5 and v6.
+        - RWKV.
     - Quantized LLMs.
         - Llama 7b, 13b, 70b, as well as the chat and code variants.
         - Mistral 7b, and 7b instruct.
@@ -216,22 +207,18 @@ If you have an addition to this list, please submit a pull request.
     - Text to text.
         - T5 and its variants: FlanT5, UL2, MADLAD400 (translation), CoEdit (Grammar correction).
         - Marian MT (Machine Translation).
+    - Whisper (multi-lingual support).
     - Text to image.
         - Stable Diffusion v1.5, v2.1, XL v1.0.
         - Wurstchen v2.
     - Image to text.
         - BLIP.
         - TrOCR.
-    - Audio.
-        - Whisper, multi-lingual speech-to-text.
-        - EnCodec, audio compression model.
-        - MetaVoice-1B, text-to-speech model.
     - Computer Vision Models.
         - DINOv2, ConvMixer, EfficientNet, ResNet, ViT, VGG, RepVGG, ConvNeXT,
-          ConvNeXTv2, MobileOne, EfficientVit (MSRA).
+          ConvNeXTv2.
         - yolo-v3, yolo-v8.
         - Segment-Anything Model (SAM).
-        - SegFormer.
 - File formats: load models from safetensors, npz, ggml, or PyTorch files.
 - Serverless (on CPU), small and fast deployments.
 - Quantization support using the llama.cpp quantized types.

candle-core/examples/cuda_basics.rs

@@ -5,32 +5,25 @@ extern crate accelerate_src;
 extern crate intel_mkl_src;
 
 use anyhow::Result;
-use candle_core::{Device, Module, Tensor};
-
-use candle_core::quantized::{QMatMul, QTensor};
+use candle_core::{Device, Tensor};
 
 fn main() -> Result<()> {
     let device = Device::new_cuda(0)?;
-    let q = Tensor::randn(0f32, 1.0, (72, 256), &device)?;
-    let q_cpu = q.to_device(&Device::Cpu)?;
-    let q = QTensor::quantize(&q, candle_core::quantized::GgmlDType::Q8K)?;
-    let q = QMatMul::from_qtensor(q)?;
-    let x = Tensor::randn(0f32, 1.0, (5, 256), &device)?;
-    let res_q_cuda = q.forward(&x)?;
-    println!("{res_q_cuda}");
-
-    let q_cpu = QTensor::quantize(&q_cpu, candle_core::quantized::GgmlDType::Q8K)?;
-    let q_cpu_tensor = q_cpu.dequantize(&Device::Cpu)?;
-    let q_cpu = QMatMul::from_qtensor(q_cpu)?;
-    let x_cpu = x.to_device(&Device::Cpu)?;
-    let res_q_cpu = q_cpu.forward(&x_cpu)?;
-    println!("{res_q_cpu}");
-
-    let res_mm = x_cpu.matmul(&q_cpu_tensor.t()?)?;
-    let diff = (res_mm - res_q_cuda.to_device(&Device::Cpu))?
-        .abs()?
-        .flatten_all()?
-        .max(0)?;
+    let in_t = Tensor::rand(-1f32, 1f32, (1, 3, 12, 7), &device)?;
+    let k_t = Tensor::rand(-1f32, 1f32, (6, 3, 1, 1), &device)?;
+    let out_t = in_t.conv2d(&k_t, 0, 1, 1, 1)?;
+    println!("{out_t}");
+    let in_t = in_t.to_device(&Device::Cpu)?;
+    let k_t = k_t.to_device(&Device::Cpu)?;
+    let out_t2 = in_t.conv2d(&k_t, 0, 1, 1, 1)?;
+    let diff = (out_t.to_device(&Device::Cpu)? - out_t2)?
+        .sqr()?
+        .sum_all()?;
     println!("{diff}");
+
+    let t = Tensor::randn(0f32, 1f32, (2, 4, 96, 96), &device)?;
+    let w = Tensor::randn(0f32, 1f32, (320, 4, 3, 3), &device)?;
+    let res = t.conv2d(&w, 1, 1, 1, 1)?;
+    println!("{res:?}");
     Ok(())
 }

candle-core/src/backprop.rs

@@ -113,7 +113,7 @@ impl Tensor {
                     | Op::Unary(_node, UnaryOp::Floor)
                     | Op::Unary(_node, UnaryOp::Round) => nodes,
                     Op::Reshape(node)
-                    | Op::UpsampleNearest1D { arg: node, .. }
+                    | Op::UpsampleNearest1D(node)
                     | Op::UpsampleNearest2D { arg: node, .. }
                     | Op::AvgPool2D { arg: node, .. }
                     | Op::MaxPool2D { arg: node, .. }
@@ -250,7 +250,6 @@ impl Tensor {
                             out_padding,
                             *stride,
                             *dilation,
-                            /* groups */ 1,
                         )?;
                         let sum_grad = grads.or_insert(arg)?;
                         *sum_grad = sum_grad.add(&grad_arg)?;
@@ -348,18 +347,9 @@ impl Tensor {
                         let sum_grad = grads.or_insert(arg)?;
                         *sum_grad = sum_grad.add(&grad_arg)?;
                     }
-                    Op::UpsampleNearest1D { arg, target_size } => {
-                        let (_n, c, size) = arg.dims3()?;
-                        if target_size % size != 0 {
-                            crate::bail!("backward not supported for non integer upscaling factors")
-                        }
-                        let scale = target_size / size;
-
-                        let kernel = Tensor::ones((c, 1, scale), arg.dtype(), arg.device())?;
-                        let conv_sum = grad.conv1d(&kernel, 0, scale, 1, c)?;
-                        let sum_grad = grads.or_insert(arg)?;
-                        *sum_grad = conv_sum;
-                    }
+                    Op::UpsampleNearest1D { .. } => Err(Error::BackwardNotSupported {
+                        op: "upsample-nearest1d",
+                    })?,
                     Op::UpsampleNearest2D {
                         arg,
                         target_h,

candle-core/src/conv.rs

@@ -187,16 +187,36 @@ impl Tensor {
         }
     }
 
-    fn conv_transpose1d_single_group(
+    /// Applies a 1D transposed convolution over the input tensor.
+    pub fn conv_transpose1d(
         &self,
         kernel: &Self,
-        params: &ParamsConvTranspose1D,
+        padding: usize,
+        output_padding: usize,
+        stride: usize,
+        dilation: usize,
     ) -> Result<Self> {
+        let (b_size, c_in, l_in) = self.dims3()?;
+        let (c_in_k, c_out, k_size) = kernel.dims3()?;
+        if c_in != c_in_k {
+            crate::bail!("in_channel mismatch between input ({c_in}) and kernel ({c_in_k})")
+        }
+        let params = ParamsConvTranspose1D {
+            b_size,
+            l_in,
+            k_size,
+            c_out,
+            c_in,
+            padding,
+            output_padding,
+            stride,
+            dilation,
+        };
         let storage = self.storage().conv_transpose1d(
             self.layout(),
             &kernel.storage(),
             kernel.layout(),
-            params,
+            &params,
         )?;
         let op = BackpropOp::new2(self, kernel, |arg, kernel| Op::ConvTranspose1D {
             arg,
@@ -210,49 +230,6 @@ impl Tensor {
         Ok(crate::tensor::from_storage(storage, out_dims, op, false))
     }
 
-    /// Applies a 1D transposed convolution over the input tensor.
-    pub fn conv_transpose1d(
-        &self,
-        kernel: &Self,
-        padding: usize,
-        output_padding: usize,
-        stride: usize,
-        dilation: usize,
-        groups: usize,
-    ) -> Result<Self> {
-        let (c_in_k, c_out, k_size) = kernel.dims3()?;
-        let (b_size, c_in, l_in) = self.dims3()?;
-        if c_in != c_in_k {
-            crate::bail!("in_channel mismatch between input ({c_in}) and kernel ({c_in_k})")
-        }
-        if c_in % groups != 0 {
-            crate::bail!("in_channel {c_in} is not divisible by the number of groups")
-        }
-        let params = ParamsConvTranspose1D {
-            b_size,
-            l_in,
-            k_size,
-            c_out,
-            c_in: c_in / groups,
-            padding,
-            output_padding,
-            stride,
-            dilation,
-        };
-        if groups == 1 {
-            self.conv_transpose1d_single_group(kernel, &params)
-        } else {
-            let blocks = self.chunk(groups, 1)?;
-            let kernel = kernel.chunk(groups, 0)?;
-            let blocks = blocks
-                .iter()
-                .zip(&kernel)
-                .map(|(block, kernel)| block.conv_transpose1d_single_group(kernel, &params))
-                .collect::<Result<Vec<_>>>()?;
-            Tensor::cat(&blocks, 1)
-        }
-    }
-
     fn conv2d_single_group(&self, kernel: &Self, params: &ParamsConv2D) -> Result<Self> {
         let storage =
             self.storage()

candle-core/src/cpu_backend.rs

@@ -1263,7 +1263,6 @@ impl<'a> Map2 for ConvTranspose1D<'a> {
     fn f<T: WithDType>(&self, inp: &[T], inp_l: &Layout, k: &[T], k_l: &Layout) -> Result<Vec<T>> {
         let p = self.0;
         let inp = &inp[inp_l.start_offset()..];
-        let k = &k[k_l.start_offset()..];
         let (inp_s0, inp_s1, inp_s2) = crate::shape::dims3(inp_l.stride())?;
         let (k_s0, k_s1, k_s2) = crate::shape::dims3(k_l.stride())?;
         let l_out = p.l_out();
@@ -2575,7 +2574,7 @@ impl BackendStorage for CpuStorage {
             Self::U8(ids) => IndexSelect { ids, ids_l, dim }.map(self, l),
             Self::U32(ids) => IndexSelect { ids, ids_l, dim }.map(self, l),
             Self::I64(ids) => IndexSelect { ids, ids_l, dim }.map(self, l),
-            _ => Err(Error::UnsupportedDTypeForOp(self.dtype(), "index-select").bt()),
+            _ => Err(Error::UnsupportedDTypeForOp(self.dtype(), "index-select")),
         }
     }
 
@@ -2584,7 +2583,7 @@ impl BackendStorage for CpuStorage {
             Self::U8(ids) => Gather { ids, ids_l, dim }.map(self, l),
             Self::U32(ids) => Gather { ids, ids_l, dim }.map(self, l),
             Self::I64(ids) => Gather { ids, ids_l, dim }.map(self, l),
-            _ => Err(Error::UnsupportedDTypeForOp(self.dtype(), "gather").bt()),
+            _ => Err(Error::UnsupportedDTypeForOp(self.dtype(), "gather")),
         }
     }
 
@@ -2601,7 +2600,7 @@ impl BackendStorage for CpuStorage {
             Self::U8(ids) => ScatterAdd { ids, ids_l, dim }.map(self, l, src, src_l),
             Self::U32(ids) => ScatterAdd { ids, ids_l, dim }.map(self, l, src, src_l),
             Self::I64(ids) => ScatterAdd { ids, ids_l, dim }.map(self, l, src, src_l),
-            _ => Err(Error::UnsupportedDTypeForOp(self.dtype(), "scatter-add").bt()),
+            _ => Err(Error::UnsupportedDTypeForOp(self.dtype(), "scatter-add")),
         }
     }
 

candle-core/src/lib.rs

@@ -129,15 +129,6 @@ impl<T: Fn(&Tensor) -> Result<Tensor>> Module for T {
     }
 }
 
-impl<M: Module> Module for Option<&M> {
-    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-        match self {
-            None => Ok(xs.clone()),
-            Some(m) => m.forward(xs),
-        }
-    }
-}
-
 // A trait defining a module with forward method using a single tensor argument and a flag to
 // separate the training and evaluation behaviors.
 pub trait ModuleT {

candle-core/src/metal_backend.rs

@@ -738,7 +738,6 @@ impl BackendStorage for MetalStorage {
                 ("ufloor", DType::F32) => strided::floor::FLOAT,
                 ("urelu", DType::F32) => strided::relu::FLOAT,
                 ("uround", DType::F32) => strided::round::FLOAT,
-                ("utanh", DType::F32) => strided::tanh::FLOAT,
                 ("ucos", DType::F16) => strided::cos::HALF,
                 ("usin", DType::F16) => strided::sin::HALF,
                 ("usqr", DType::F16) => strided::sqr::HALF,
@@ -755,7 +754,6 @@ impl BackendStorage for MetalStorage {
                 ("ufloor", DType::F16) => strided::floor::HALF,
                 ("urelu", DType::F16) => strided::relu::HALF,
                 ("uround", DType::F16) => strided::round::HALF,
-                ("utanh", DType::F16) => strided::tanh::HALF,
                 (name, dtype) => {
                     crate::bail!("Metal strided unary {name} {dtype:?} not implemented")
                 }
@@ -829,9 +827,9 @@ impl BackendStorage for MetalStorage {
                 layout.start_offset() * self.dtype.size_in_bytes(),
             ),
             &t.buffer,
-            (t_l.stride(), t_l.start_offset() * t.dtype.size_in_bytes()),
+            (&t_l.stride(), t_l.start_offset() * t.dtype.size_in_bytes()),
             &f.buffer,
-            (f_l.stride(), f_l.start_offset() * f.dtype.size_in_bytes()),
+            (&f_l.stride(), f_l.start_offset() * f.dtype.size_in_bytes()),
             &buffer,
         )
         .map_err(MetalError::from)?;
@@ -1266,7 +1264,7 @@ impl BackendStorage for MetalStorage {
             let src_offset = (src_l.start_offset() * self.dtype.size_in_bytes()) as NSUInteger;
             let length = (src_l.shape().elem_count() * self.dtype.size_in_bytes()) as NSUInteger;
             let dst_offset = (dst_offset * dst.dtype().size_in_bytes()) as NSUInteger;
-            blit.copy_from_buffer(&self.buffer, src_offset, dst.buffer(), dst_offset, length);
+            blit.copy_from_buffer(&self.buffer, src_offset, &dst.buffer(), dst_offset, length);
             blit.end_encoding();
         } else {
             let src_shape = src_l.shape();
@@ -1638,7 +1636,7 @@ impl BackendDevice for MetalDevice {
             min as f32,
             max as f32,
             shape.elem_count(),
-            &self.seed.lock().unwrap(),
+            &*self.seed.lock().unwrap(),
             &buffer,
         )
         .map_err(MetalError::from)?;
@@ -1669,7 +1667,7 @@ impl BackendDevice for MetalDevice {
             mean as f32,
             stddev as f32,
             shape.elem_count(),
-            &self.seed.lock().unwrap(),
+            &*self.seed.lock().unwrap(),
             &buffer,
         )
         .map_err(MetalError::from)?;

candle-core/src/op.rs

@@ -132,10 +132,7 @@ pub enum Op {
         stride: (usize, usize),
     },
 
-    UpsampleNearest1D {
-        arg: Tensor,
-        target_size: usize,
-    },
+    UpsampleNearest1D(Tensor),
     UpsampleNearest2D {
         arg: Tensor,
         target_h: usize,

candle-core/src/pickle.rs

@@ -42,7 +42,7 @@ pub enum OpCode {
     Stop = b'.',
     NewObj = 0x81,
     EmptyList = b']',
-    BinFloat = b'G',
+    BinFloat = b'g',
     Append = b'a',
     Appends = b'e',
 }
@@ -462,10 +462,7 @@ impl Stack {
                 self.push(Object::Int(arg))
             }
             OpCode::BinFloat => {
-                // Somehow floats are encoded using BigEndian whereas int types use LittleEndian.
-                // https://github.com/python/cpython/blob/0c80da4c14d904a367968955544dd6ae58c8101c/Lib/pickletools.py#L855
-                // https://github.com/pytorch/pytorch/blob/372d078f361e726bb4ac0884ac334b04c58179ef/torch/_weights_only_unpickler.py#L243
-                let arg = r.read_f64::<byteorder::BigEndian>()?;
+                let arg = r.read_f64::<LittleEndian>()?;
                 self.push(Object::Float(arg))
             }
             OpCode::BinUnicode => {

candle-core/src/quantized/cuda.rs

@@ -1,343 +0,0 @@
-use super::{GgmlDType, QStorage};
-use crate::{backend::BackendDevice, cuda_backend::WrapErr};
-use crate::{CudaDevice, CudaStorage, Result};
-
-use cudarc::driver::{CudaSlice, DeviceSlice};
-
-pub struct QCudaStorage {
-    data: CudaSlice<u8>,
-    dtype: GgmlDType,
-    device: CudaDevice,
-}
-
-pub const WARP_SIZE: usize = 32;
-pub const MMQ_X_Q4_0_AMPERE: usize = 4;
-pub const MMQ_Y_Q4_0_AMPERE: usize = 32;
-pub const NWARPS_Q4_0_AMPERE: usize = 4;
-pub const GGML_CUDA_MMV_X: usize = 32;
-pub const GGML_CUDA_MMV_Y: usize = 1;
-pub const CUDA_DEQUANTIZE_BLOCK_SIZE: usize = 256;
-
-fn dequantize(
-    data: &CudaSlice<u8>,
-    dtype: GgmlDType,
-    elem_count: usize,
-    dev: &CudaDevice,
-) -> Result<CudaStorage> {
-    use cudarc::driver::LaunchAsync;
-
-    let nb = (elem_count + 255) / 256;
-    let (kernel_name, is_k, block_dim, num_blocks) = match dtype {
-        GgmlDType::Q4_0 => ("dequantize_block_q4_0", false, 32, nb),
-        GgmlDType::Q4_1 => ("dequantize_block_q4_1", false, 32, nb),
-        GgmlDType::Q5_0 => {
-            let nb = (elem_count + 2 * CUDA_DEQUANTIZE_BLOCK_SIZE - 1)
-                / (2 * CUDA_DEQUANTIZE_BLOCK_SIZE);
-            (
-                "dequantize_block_q5_0",
-                false,
-                CUDA_DEQUANTIZE_BLOCK_SIZE,
-                nb,
-            )
-        }
-        GgmlDType::Q5_1 => {
-            let nb = (elem_count + 2 * CUDA_DEQUANTIZE_BLOCK_SIZE - 1)
-                / (2 * CUDA_DEQUANTIZE_BLOCK_SIZE);
-            (
-                "dequantize_block_q5_1",
-                false,
-                CUDA_DEQUANTIZE_BLOCK_SIZE,
-                nb,
-            )
-        }
-        GgmlDType::Q8_0 => ("dequantize_block_q8_0", false, 32, nb),
-        GgmlDType::Q2K => ("dequantize_block_q2_K", true, 64, nb),
-        GgmlDType::Q3K => ("dequantize_block_q3_K", true, 64, nb),
-        GgmlDType::Q4K => ("dequantize_block_q4_K", true, 32, nb),
-        GgmlDType::Q5K => ("dequantize_block_q5_K", true, 64, nb),
-        GgmlDType::Q6K => ("dequantize_block_q6_K", true, 64, nb),
-        GgmlDType::Q8K => ("dequantize_block_q8_K", true, 32, nb),
-        _ => crate::bail!("unsupported dtype for dequantize {dtype:?}"),
-    };
-    let func = dev.get_or_load_func(kernel_name, candle_kernels::QUANTIZED)?;
-    let dst = dev.alloc_zeros::<f32>(elem_count).w()?;
-    // See e.g.
-    // https://github.com/ggerganov/llama.cpp/blob/cbbd1efa06f8c09f9dff58ff9d9af509cc4c152b/ggml-cuda.cu#L7270
-    let cfg = cudarc::driver::LaunchConfig {
-        grid_dim: (num_blocks as u32, 1, 1),
-        block_dim: (block_dim as u32, 1, 1),
-        shared_mem_bytes: 0,
-    };
-
-    if is_k {
-        let params = (data, &dst);
-        unsafe { func.launch(cfg, params) }.w()?;
-    } else {
-        let nb32 = match dtype {
-            GgmlDType::Q5_0 | GgmlDType::Q5_1 => elem_count,
-            _ => elem_count / 32,
-        };
-        let params = (data, &dst, nb32 as i32);
-        unsafe { func.launch(cfg, params) }.w()?;
-    }
-    Ok(CudaStorage::wrap_cuda_slice(dst, dev.clone()))
-}
-
-fn dequantize_mut_mal_vec(
-    data: &CudaSlice<u8>,
-    y: &cudarc::driver::CudaView<f32>,
-    dtype: GgmlDType,
-    ncols: usize,
-    nrows: usize,
-    dev: &CudaDevice,
-) -> Result<CudaStorage> {
-    use cudarc::driver::LaunchAsync;
-
-    let kernel_name = match dtype {
-        GgmlDType::Q4_0 => "dequantize_mul_mat_vec_q4_0_cuda",
-        GgmlDType::Q4_1 => "dequantize_mul_mat_vec_q4_1_cuda",
-        GgmlDType::Q5_0 => "dequantize_mul_mat_vec_q5_0_cuda",
-        GgmlDType::Q5_1 => "dequantize_mul_mat_vec_q5_1_cuda",
-        GgmlDType::Q8_0 => "dequantize_mul_mat_vec_q8_0_cuda",
-        GgmlDType::Q2K => "dequantize_mul_mat_vec_q2_k",
-        GgmlDType::Q3K => "dequantize_mul_mat_vec_q3_k",
-        GgmlDType::Q4K => "dequantize_mul_mat_vec_q4_k",
-        GgmlDType::Q5K => "dequantize_mul_mat_vec_q5_k",
-        GgmlDType::Q6K => "dequantize_mul_mat_vec_q6_k",
-        _ => crate::bail!("unsupported dtype for quantized matmul {dtype:?}"),
-    };
-    let func = dev.get_or_load_func(kernel_name, candle_kernels::QUANTIZED)?;
-    let dst = dev.alloc_zeros::<f32>(nrows).w()?;
-    let block_num_y = (nrows + GGML_CUDA_MMV_Y - 1) / GGML_CUDA_MMV_Y;
-    let cfg = cudarc::driver::LaunchConfig {
-        grid_dim: (block_num_y as u32, 1, 1),
-        block_dim: (WARP_SIZE as u32, GGML_CUDA_MMV_Y as u32, 1),
-        shared_mem_bytes: 0,
-    };
-
-    let params = (data, y, &dst, ncols as i32, nrows as i32);
-    unsafe { func.launch(cfg, params) }.w()?;
-    Ok(CudaStorage::wrap_cuda_slice(dst, dev.clone()))
-}
-
-impl QCudaStorage {
-    pub fn zeros(device: &CudaDevice, el_count: usize, dtype: GgmlDType) -> Result<Self> {
-        let size_in_bytes = el_count * dtype.type_size() / dtype.block_size();
-        let data = device.alloc_zeros::<u8>(size_in_bytes).w()?;
-        Ok(QCudaStorage {
-            data,
-            device: device.clone(),
-            dtype,
-        })
-    }
-
-    pub fn dtype(&self) -> GgmlDType {
-        self.dtype
-    }
-
-    pub fn device(&self) -> &CudaDevice {
-        &self.device
-    }
-
-    pub fn dequantize(&self, elem_count: usize) -> Result<CudaStorage> {
-        let fast_kernel = matches!(
-            self.dtype,
-            GgmlDType::Q4_0
-                | GgmlDType::Q4_1
-                | GgmlDType::Q5_0
-                | GgmlDType::Q5_1
-                | GgmlDType::Q8_0
-                | GgmlDType::Q2K
-                | GgmlDType::Q3K
-                | GgmlDType::Q4K
-                | GgmlDType::Q5K
-                | GgmlDType::Q6K
-                | GgmlDType::Q8K
-        );
-        if fast_kernel {
-            return dequantize(&self.data, self.dtype, elem_count, self.device());
-        }
-        // Run the dequantization on cpu.
-        use crate::quantized::k_quants::GgmlType;
-
-        let buffer = self.device.dtoh_sync_copy(&self.data).w()?;
-        let mut out = vec![0.0; elem_count];
-        let block_len = elem_count / self.dtype.block_size();
-        match self.dtype {
-            GgmlDType::F32 => {
-                let slice =
-                    unsafe { std::slice::from_raw_parts(buffer.as_ptr() as *const f32, block_len) };
-                out.copy_from_slice(slice)
-            }
-            GgmlDType::F16 => {
-                let vec: Vec<half::f16> = read_to_vec(&buffer, block_len);
-                half::f16::to_float(&vec, &mut out)?;
-            }
-            GgmlDType::Q4_0 => {
-                let vec: Vec<crate::quantized::BlockQ4_0> = read_to_vec(&buffer, block_len);
-                crate::quantized::BlockQ4_0::to_float(&vec, &mut out)?;
-            }
-            GgmlDType::Q4_1 => {
-                let vec: Vec<crate::quantized::BlockQ4_1> = read_to_vec(&buffer, block_len);
-                crate::quantized::BlockQ4_1::to_float(&vec, &mut out)?;
-            }
-            GgmlDType::Q5_0 => {
-                let vec: Vec<crate::quantized::BlockQ5_0> = read_to_vec(&buffer, block_len);
-                crate::quantized::BlockQ5_0::to_float(&vec, &mut out)?;
-            }
-            GgmlDType::Q5_1 => {
-                let vec: Vec<crate::quantized::BlockQ5_1> = read_to_vec(&buffer, block_len);
-                crate::quantized::BlockQ5_1::to_float(&vec, &mut out)?;
-            }
-            GgmlDType::Q8_0 => {
-                let vec: Vec<crate::quantized::BlockQ8_0> = read_to_vec(&buffer, block_len);
-                crate::quantized::BlockQ8_0::to_float(&vec, &mut out)?;
-            }
-            GgmlDType::Q8_1 => {
-                let vec: Vec<crate::quantized::BlockQ8_1> = read_to_vec(&buffer, block_len);
-                crate::quantized::BlockQ8_1::to_float(&vec, &mut out)?;
-            }
-            GgmlDType::Q2K => {
-                let vec: Vec<crate::quantized::BlockQ2K> = read_to_vec(&buffer, block_len);
-                crate::quantized::BlockQ2K::to_float(&vec, &mut out)?;
-            }
-            GgmlDType::Q3K => {
-                let vec: Vec<crate::quantized::BlockQ3K> = read_to_vec(&buffer, block_len);
-                crate::quantized::BlockQ3K::to_float(&vec, &mut out)?;
-            }
-            GgmlDType::Q4K => {
-                let vec: Vec<crate::quantized::BlockQ4K> = read_to_vec(&buffer, block_len);
-                crate::quantized::BlockQ4K::to_float(&vec, &mut out)?;
-            }
-            GgmlDType::Q5K => {
-                let vec: Vec<crate::quantized::BlockQ5K> = read_to_vec(&buffer, block_len);
-                crate::quantized::BlockQ5K::to_float(&vec, &mut out)?;
-            }
-            GgmlDType::Q6K => {
-                let vec: Vec<crate::quantized::BlockQ6K> = read_to_vec(&buffer, block_len);
-                crate::quantized::BlockQ6K::to_float(&vec, &mut out)?;
-            }
-            GgmlDType::Q8K => {
-                let vec: Vec<crate::quantized::BlockQ8K> = read_to_vec(&buffer, block_len);
-                crate::quantized::BlockQ8K::to_float(&vec, &mut out)?;
-            }
-        }
-
-        self.device
-            .storage_from_cpu_storage(&crate::CpuStorage::F32(out))
-    }
-
-    pub fn quantize(&mut self, src: &CudaStorage) -> Result<()> {
-        // Run the quantization on cpu.
-        let src = match &src.slice {
-            crate::cuda_backend::CudaStorageSlice::F32(data) => {
-                self.device.dtoh_sync_copy(data).w()?
-            }
-            _ => crate::bail!("only f32 can be quantized"),
-        };
-        let src_len = src.len();
-        let src = crate::Storage::Cpu(crate::CpuStorage::F32(src));
-        let mut qcpu_storage = crate::Device::Cpu.qzeros(src_len, self.dtype)?;
-        qcpu_storage.quantize(&src)?;
-        let data = qcpu_storage.data()?;
-        let data = self.device.htod_sync_copy(data.as_ref()).w()?;
-        self.data = data;
-        Ok(())
-    }
-
-    pub fn storage_size_in_bytes(&self) -> usize {
-        self.data.len()
-    }
-
-    pub fn fwd(
-        &self,
-        self_shape: &crate::Shape,
-        storage: &CudaStorage,
-        layout: &crate::Layout,
-    ) -> Result<(CudaStorage, crate::Shape)> {
-        if matches!(layout.shape().dims(), [1, 1, _] | [1, _]) {
-            self.dequantize_matmul_vec(self_shape, storage, layout)
-        } else {
-            self.dequantize_matmul(self_shape, storage, layout)
-        }
-    }
-}
-
-impl QCudaStorage {
-    fn dequantize_matmul_vec(
-        &self,
-        self_shape: &crate::Shape,
-        rhs: &CudaStorage,
-        rhs_l: &crate::Layout,
-    ) -> Result<(CudaStorage, crate::Shape)> {
-        let (nrows, ncols) = self_shape.dims2()?;
-        let rhs = rhs.as_cuda_slice::<f32>()?;
-        let rhs = match rhs_l.contiguous_offsets() {
-            Some((o1, o2)) => rhs.slice(o1..o2),
-            None => Err(crate::Error::RequiresContiguous { op: "dmmv" }.bt())?,
-        };
-        let (with_batch, k) = match rhs_l.shape().dims() {
-            [1, 1, k] => (true, k),
-            [1, k] => (false, k),
-            _ => crate::bail!("unexpected rhs shape in dmmv {:?}", rhs_l.shape()),
-        };
-        if ncols != *k {
-            crate::bail!("mismatch on matmul dim {self_shape:?} {:?}", rhs_l.shape())
-        }
-
-        let out =
-            dequantize_mut_mal_vec(&self.data, &rhs, self.dtype, ncols, nrows, self.device())?;
-        let out_shape = if with_batch {
-            vec![1, 1, nrows]
-        } else {
-            vec![1, nrows]
-        };
-        Ok((out, out_shape.into()))
-    }
-
-    fn dequantize_matmul(
-        &self,
-        self_shape: &crate::Shape,
-        storage: &CudaStorage,
-        layout: &crate::Layout,
-    ) -> Result<(CudaStorage, crate::Shape)> {
-        use crate::backend::BackendStorage;
-        let (n, k) = self_shape.dims2()?;
-        let (b, m, k2) = match layout.shape().dims() {
-            &[b, m, k2] => (b, m, k2),
-            &[m, k2] => (1, m, k2),
-            s => crate::bail!("unexpected shape for input {s:?}"),
-        };
-        if k2 != k {
-            crate::bail!("mismatch on matmul dim {self_shape:?} {:?}", layout.shape())
-        }
-
-        let data_f32 = self.dequantize(n * k)?;
-        let rhs_l = crate::Layout::new((k, n).into(), vec![1, k], 0);
-        let out = storage.matmul(&data_f32, (b, m, n, k), layout, &rhs_l)?;
-        let mut out_shape = layout.shape().dims().to_vec();
-        out_shape.pop();
-        out_shape.push(n);
-        Ok((out, out_shape.into()))
-    }
-}
-
-fn read_to_vec<T: Clone>(buffer: &[u8], n: usize) -> Vec<T> {
-    let slice = unsafe { std::slice::from_raw_parts(buffer.as_ptr() as *const T, n) };
-    slice.to_vec()
-}
-
-pub fn load_quantized<T: super::GgmlType + Send + Sync + 'static>(
-    device: &CudaDevice,
-    data: &[T],
-) -> Result<super::QStorage> {
-    let data = unsafe {
-        std::slice::from_raw_parts(data.as_ptr() as *const u8, core::mem::size_of_val(data))
-    };
-    let data = device.htod_sync_copy(data).w()?;
-    Ok(QStorage::Cuda(QCudaStorage {
-        data,
-        device: device.clone(),
-        dtype: T::DTYPE,
-    }))
-}

candle-core/src/quantized/dummy_cuda.rs

@@ -1,50 +0,0 @@
-#![allow(unused)]
-use super::GgmlDType;
-use crate::{CudaDevice, CudaStorage, Error, Result};
-
-pub struct QCudaStorage {
-    dtype: GgmlDType,
-    device: CudaDevice,
-}
-
-impl QCudaStorage {
-    pub fn zeros(_: &CudaDevice, _: usize, _: GgmlDType) -> Result<Self> {
-        Err(Error::NotCompiledWithCudaSupport)
-    }
-
-    pub fn dtype(&self) -> GgmlDType {
-        self.dtype
-    }
-
-    pub fn device(&self) -> &CudaDevice {
-        &self.device
-    }
-
-    pub fn dequantize(&self, _elem_count: usize) -> Result<CudaStorage> {
-        Err(Error::NotCompiledWithCudaSupport)
-    }
-
-    pub fn quantize(&mut self, _src: &CudaStorage) -> Result<()> {
-        Err(Error::NotCompiledWithCudaSupport)
-    }
-
-    pub fn storage_size_in_bytes(&self) -> usize {
-        0
-    }
-
-    pub fn fwd(
-        &self,
-        _self_shape: &crate::Shape,
-        _storage: &CudaStorage,
-        _layout: &crate::Layout,
-    ) -> Result<(CudaStorage, crate::Shape)> {
-        Err(Error::NotCompiledWithCudaSupport)
-    }
-}
-
-pub fn load_quantized<T: super::GgmlType + Send + Sync + 'static>(
-    _device: &CudaDevice,
-    _data: &[T],
-) -> Result<super::QStorage> {
-    Err(Error::NotCompiledWithCudaSupport)
-}

candle-core/src/quantized/dummy_metal.rs

@@ -41,10 +41,3 @@ impl QMetalStorage {
         Err(Error::NotCompiledWithMetalSupport)
     }
 }
-
-pub fn load_quantized<T: super::GgmlType + Send + Sync + 'static>(
-    _device: &MetalDevice,
-    _data: &[T],
-) -> Result<super::QStorage> {
-    Err(Error::NotCompiledWithMetalSupport)
-}

candle-core/src/quantized/ggml_file.rs

@@ -1,5 +1,7 @@
 //! Support for the GGML file format.
 
+#[cfg(feature = "metal")]
+use super::metal::load_quantized_metal;
 use super::{k_quants, GgmlDType, QStorage};
 use crate::{Device, Result};
 use byteorder::{LittleEndian, ReadBytesExt};
@@ -128,8 +130,13 @@ fn from_raw_data<T: super::GgmlType + Send + Sync + 'static>(
     let data = unsafe { std::slice::from_raw_parts(raw_data_ptr as *const T, n_blocks) };
     let data: QStorage = match device {
         Device::Cpu => QStorage::Cpu(Box::new(data.to_vec())),
-        Device::Metal(metal) => super::metal::load_quantized(metal, data)?,
-        Device::Cuda(cuda) => super::cuda::load_quantized(cuda, data)?,
+        #[cfg(feature = "metal")]
+        Device::Metal(metal) => load_quantized_metal(metal, data)?,
+        #[cfg(not(feature = "metal"))]
+        Device::Metal(_metal) => {
+            crate::bail!("Metal backend requires `metal` feature")
+        }
+        device => unimplemented!("Implement quantized tensor for device {device:?}"),
     };
     super::QTensor::new(data, dims)
 }

candle-core/src/quantized/metal.rs

@@ -34,8 +34,6 @@ impl QMetalStorage {
     }
 
     pub fn dequantize(&self, elem_count: usize) -> Result<MetalStorage> {
-        use crate::quantized::k_quants::GgmlType;
-
         let buffer = self.device.new_buffer_managed(self.buffer.length())?;
         let command_buffer = self.device.command_buffer()?;
         command_buffer.set_label("to_cpu");
@@ -45,62 +43,81 @@ impl QMetalStorage {
         blit.end_encoding();
         self.device.wait_until_completed()?;
         let mut out = vec![0.0; elem_count];
-        let block_len = elem_count / self.dtype.block_size();
         match self.dtype {
             GgmlDType::F32 => {
-                let vec: Vec<f32> = read_to_vec(&buffer, block_len);
+                let vec: Vec<f32> = read_to_vec(&buffer, elem_count);
+                use crate::quantized::k_quants::GgmlType;
                 f32::to_float(&vec, &mut out)?;
             }
             GgmlDType::F16 => {
-                let vec: Vec<half::f16> = read_to_vec(&buffer, block_len);
+                let vec: Vec<half::f16> = read_to_vec(&buffer, elem_count);
+                use crate::quantized::k_quants::GgmlType;
                 half::f16::to_float(&vec, &mut out)?;
             }
             GgmlDType::Q4_0 => {
-                let vec: Vec<crate::quantized::BlockQ4_0> = read_to_vec(&buffer, block_len);
+                let vec: Vec<crate::quantized::BlockQ4_0> = read_to_vec(&buffer, elem_count);
+                use crate::quantized::k_quants::GgmlType;
                 crate::quantized::BlockQ4_0::to_float(&vec, &mut out)?;
             }
             GgmlDType::Q4_1 => {
-                let vec: Vec<crate::quantized::BlockQ4_1> = read_to_vec(&buffer, block_len);
+                let vec: Vec<crate::quantized::BlockQ4_1> = read_to_vec(&buffer, elem_count);
+                use crate::quantized::k_quants::GgmlType;
                 crate::quantized::BlockQ4_1::to_float(&vec, &mut out)?;
             }
             GgmlDType::Q5_0 => {
-                let vec: Vec<crate::quantized::BlockQ5_0> = read_to_vec(&buffer, block_len);
+                let vec: Vec<crate::quantized::BlockQ5_0> = read_to_vec(&buffer, elem_count);
+                use crate::quantized::k_quants::GgmlType;
                 crate::quantized::BlockQ5_0::to_float(&vec, &mut out)?;
             }
             GgmlDType::Q5_1 => {
-                let vec: Vec<crate::quantized::BlockQ5_1> = read_to_vec(&buffer, block_len);
+                let vec: Vec<crate::quantized::BlockQ5_1> = read_to_vec(&buffer, elem_count);
+                use crate::quantized::k_quants::GgmlType;
                 crate::quantized::BlockQ5_1::to_float(&vec, &mut out)?;
             }
             GgmlDType::Q8_0 => {
-                let vec: Vec<crate::quantized::BlockQ8_0> = read_to_vec(&buffer, block_len);
+                let vec: Vec<crate::quantized::BlockQ8_0> = read_to_vec(&buffer, elem_count);
+                use crate::quantized::k_quants::GgmlType;
                 crate::quantized::BlockQ8_0::to_float(&vec, &mut out)?;
             }
             GgmlDType::Q8_1 => {
-                let vec: Vec<crate::quantized::BlockQ8_1> = read_to_vec(&buffer, block_len);
+                let vec: Vec<crate::quantized::BlockQ8_1> = read_to_vec(&buffer, elem_count);
+                use crate::quantized::k_quants::GgmlType;
                 crate::quantized::BlockQ8_1::to_float(&vec, &mut out)?;
             }
             GgmlDType::Q2K => {
-                let vec: Vec<crate::quantized::BlockQ2K> = read_to_vec(&buffer, block_len);
+                let vec: Vec<crate::quantized::BlockQ2K> =
+                    read_to_vec(&buffer, elem_count / self.dtype.block_size());
+                use crate::quantized::k_quants::GgmlType;
                 crate::quantized::BlockQ2K::to_float(&vec, &mut out)?;
             }
             GgmlDType::Q3K => {
-                let vec: Vec<crate::quantized::BlockQ3K> = read_to_vec(&buffer, block_len);
+                let vec: Vec<crate::quantized::BlockQ3K> =
+                    read_to_vec(&buffer, elem_count / self.dtype.block_size());
+                use crate::quantized::k_quants::GgmlType;
                 crate::quantized::BlockQ3K::to_float(&vec, &mut out)?;
             }
             GgmlDType::Q4K => {
-                let vec: Vec<crate::quantized::BlockQ4K> = read_to_vec(&buffer, block_len);
+                let vec: Vec<crate::quantized::BlockQ4K> =
+                    read_to_vec(&buffer, elem_count / self.dtype.block_size());
+                use crate::quantized::k_quants::GgmlType;
                 crate::quantized::BlockQ4K::to_float(&vec, &mut out)?;
             }
             GgmlDType::Q5K => {
-                let vec: Vec<crate::quantized::BlockQ5K> = read_to_vec(&buffer, block_len);
+                let vec: Vec<crate::quantized::BlockQ5K> =
+                    read_to_vec(&buffer, elem_count / self.dtype.block_size());
+                use crate::quantized::k_quants::GgmlType;
                 crate::quantized::BlockQ5K::to_float(&vec, &mut out)?;
             }
             GgmlDType::Q6K => {
-                let vec: Vec<crate::quantized::BlockQ6K> = read_to_vec(&buffer, block_len);
+                let vec: Vec<crate::quantized::BlockQ6K> =
+                    read_to_vec(&buffer, elem_count / self.dtype.block_size());
+                use crate::quantized::k_quants::GgmlType;
                 crate::quantized::BlockQ6K::to_float(&vec, &mut out)?;
             }
             GgmlDType::Q8K => {
-                let vec: Vec<crate::quantized::BlockQ8K> = read_to_vec(&buffer, block_len);
+                let vec: Vec<crate::quantized::BlockQ8K> =
+                    read_to_vec(&buffer, elem_count / self.dtype.block_size());
+                use crate::quantized::k_quants::GgmlType;
                 crate::quantized::BlockQ8K::to_float(&vec, &mut out)?;
             }
         }
@@ -175,7 +192,7 @@ impl QMetalStorage {
     }
 }
 
-pub fn load_quantized<T: super::GgmlType + Send + Sync + 'static>(
+pub fn load_quantized_metal<T: super::GgmlType + Send + Sync + 'static>(
     device: &MetalDevice,
     data: &[T],
 ) -> Result<QStorage> {

candle-core/src/quantized/mod.rs

@@ -4,7 +4,6 @@ use std::borrow::Cow;
 
 #[cfg(target_feature = "avx")]
 pub mod avx;
-mod dummy_cuda;
 mod dummy_metal;
 pub mod ggml_file;
 pub mod gguf_file;
@@ -15,13 +14,6 @@ pub mod metal;
 mod metal {
     pub use super::dummy_metal::*;
 }
-#[cfg(feature = "cuda")]
-pub mod cuda;
-#[cfg(not(feature = "cuda"))]
-mod cuda {
-    pub use super::dummy_cuda::*;
-}
-
 #[cfg(target_feature = "neon")]
 pub mod neon;
 #[cfg(target_feature = "simd128")]
@@ -47,9 +39,8 @@ impl Device {
                 let storage = metal::QMetalStorage::zeros(metal, elem_count, dtype)?;
                 Ok(QStorage::Metal(storage))
             }
-            Device::Cuda(cuda) => {
-                let storage = cuda::QCudaStorage::zeros(cuda, elem_count, dtype)?;
-                Ok(QStorage::Cuda(storage))
+            Device::Cuda(_cuda) => {
+                crate::bail!("Cuda ggml quantization not supported");
             }
         }
     }
@@ -58,7 +49,6 @@ impl Device {
 pub enum QStorage {
     Cpu(Box<dyn QuantizedType>),
     Metal(metal::QMetalStorage),
-    Cuda(cuda::QCudaStorage),
 }
 
 impl QStorage {
@@ -66,7 +56,6 @@ impl QStorage {
         match self {
             QStorage::Cpu(storage) => storage.block_size(),
             QStorage::Metal(storage) => storage.dtype().block_size(),
-            QStorage::Cuda(storage) => storage.dtype().block_size(),
         }
     }
 
@@ -74,7 +63,6 @@ impl QStorage {
         match self {
             QStorage::Cpu(storage) => storage.dtype(),
             QStorage::Metal(storage) => storage.dtype(),
-            QStorage::Cuda(storage) => storage.dtype(),
         }
     }
 
@@ -82,7 +70,6 @@ impl QStorage {
         match self {
             QStorage::Cpu(_storage) => Device::Cpu,
             QStorage::Metal(storage) => Device::Metal(storage.device().clone()),
-            QStorage::Cuda(storage) => Device::Cuda(storage.device().clone()),
         }
     }
 
@@ -90,7 +77,6 @@ impl QStorage {
         match self {
             QStorage::Cpu(storage) => storage.storage_size_in_bytes(),
             QStorage::Metal(storage) => storage.storage_size_in_bytes(),
-            QStorage::Cuda(storage) => storage.storage_size_in_bytes(),
         }
     }
 
@@ -100,7 +86,6 @@ impl QStorage {
                 storage.from_float(src.as_slice::<f32>()?)?;
             }
             (QStorage::Metal(storage), Storage::Metal(src)) => storage.quantize(src)?,
-            (QStorage::Cuda(storage), Storage::Cuda(src)) => storage.quantize(src)?,
             _ => crate::bail!("Invalid dequantize storage locations do not match"),
         }
         Ok(())
@@ -110,7 +95,6 @@ impl QStorage {
         match self {
             QStorage::Cpu(storage) => Ok(Storage::Cpu(storage.dequantize(elem_count)?)),
             QStorage::Metal(storage) => Ok(Storage::Metal(storage.dequantize(elem_count)?)),
-            QStorage::Cuda(storage) => Ok(Storage::Cuda(storage.dequantize(elem_count)?)),
         }
     }
 
@@ -122,7 +106,7 @@ impl QStorage {
                 let data = unsafe { std::slice::from_raw_parts(data_ptr, size_in_bytes) };
                 Ok(Cow::from(data))
             }
-            QStorage::Metal(_) | QStorage::Cuda(_) => {
+            QStorage::Metal(_storage) => {
                 crate::bail!("not implemented");
             }
         }
@@ -440,7 +424,7 @@ impl crate::CustomOp1 for QTensor {
         #[allow(clippy::infallible_destructuring_match)]
         let self_storage = match &self.storage {
             QStorage::Cpu(storage) => storage,
-            QStorage::Metal(_) | QStorage::Cuda(_) => crate::bail!("Invalid storage"),
+            QStorage::Metal(_) => crate::bail!("Invalid storage"),
         };
         let slice = storage.as_slice::<f32>()?;
         let slice = &slice[layout.start_offset()..layout.start_offset() + src_shape.elem_count()];
@@ -460,18 +444,6 @@ impl crate::CustomOp1 for QTensor {
         };
         self_storage.fwd(&self.shape, storage, layout)
     }
-
-    fn cuda_fwd(
-        &self,
-        storage: &crate::CudaStorage,
-        layout: &crate::Layout,
-    ) -> Result<(crate::CudaStorage, Shape)> {
-        let self_storage = match &self.storage {
-            QStorage::Cuda(cuda) => cuda,
-            _ => unreachable!("Cannot call cuda matmul on non cuda QTensor"),
-        };
-        self_storage.fwd(&self.shape, storage, layout)
-    }
 }
 
 impl crate::Module for QMatMul {

candle-core/src/storage.rs

@@ -352,10 +352,6 @@ impl Storage {
                 let s = inp.conv_transpose1d(l, kernel, kernel_l, params)?;
                 Ok(Self::Cuda(s))
             }
-            (Storage::Metal(inp), Storage::Metal(kernel)) => {
-                let s = inp.conv_transpose1d(l, kernel, kernel_l, params)?;
-                Ok(Self::Metal(s))
-            }
             (lhs, rhs) => Err(Error::DeviceMismatchBinaryOp {
                 lhs: lhs.device().location(),
                 rhs: rhs.device().location(),

candle-core/src/tensor.rs

@@ -1015,7 +1015,7 @@ impl Tensor {
     /// tensor also has three dimensions, `(batch, channels, target_size)`.
     pub fn interpolate1d(&self, target_size: usize) -> Result<Self> {
         let (n, c, _l) = self.dims3()?;
-        let op = BackpropOp::new1(self, |arg| Op::UpsampleNearest1D { arg, target_size });
+        let op = BackpropOp::new1(self, Op::UpsampleNearest1D);
         let storage = self
             .storage()
             .upsample_nearest1d(self.layout(), target_size)?;

candle-core/tests/conv_tests.rs

@@ -18,9 +18,6 @@ w_t = w.transpose(0, 1)
 res = torch.nn.functional.conv_transpose1d(t, w_t)
 print(res.shape)
 print(res)
-res = torch.nn.functional.conv_transpose1d(t, w_t, groups=2)
-print(res.shape)
-print(res)
 */
 fn conv1d(dev: &Device) -> Result<()> {
     let t = Tensor::new(
@@ -53,7 +50,7 @@ fn conv1d(dev: &Device) -> Result<()> {
         test_utils::to_vec1_round(&res.flatten_all()?, 4)?,
         [2.4509, 2.6357, -1.3336, 4.1393, 0.5657, 1.8091, -1.1784, 3.5675, 0.5069, 3.3352]
     );
-    let res = t.conv_transpose1d(&w.transpose(0, 1)?, 0, 0, 1, 1, 1)?;
+    let res = t.conv_transpose1d(&w.transpose(0, 1)?, 0, 0, 1, 1)?;
     assert_eq!(res.dims(), [1, 2, 7]);
     assert_eq!(
         test_utils::to_vec1_round(&res.flatten_all()?, 4)?,
@@ -62,17 +59,6 @@ fn conv1d(dev: &Device) -> Result<()> {
             4.7076, -5.9745, -0.8276, 1.621
         ],
     );
-    let res = t.conv_transpose1d(&w.transpose(0, 1)?, 0, 0, 1, 1, 2)?;
-    assert_eq!(res.dims(), [1, 4, 7]);
-    assert_eq!(
-        test_utils::to_vec2_round(&res.squeeze(0)?, 4)?,
-        [
-            [-1.5596, -1.8099, 2.0407, 4.8764, -0.1743, -0.735, -0.7819],
-            [0.7816, 3.8152, -0.5926, 2.2515, -5.1844, -0.3157, 1.4721],
-            [1.6295, 0.52, 6.2611, 0.7109, 2.6315, -1.8793, 0.7113],
-            [1.0949, 1.0166, 1.7464, 2.4561, -0.79, -0.5119, 0.1488]
-        ]
-    );
     Ok(())
 }
 

candle-core/tests/grad_tests.rs

@@ -283,38 +283,19 @@ fn unary_grad(device: &Device) -> Result<()> {
         [1.0881, 0.9277, 1.0527, 0.5747],
     );
 
-    if device.is_cpu() {
-        let x = Var::new(&[[[1f32, 2., 3.], [4., 5., 6.], [7., 8., 9.]]], device)?;
-        let y = x.interpolate1d(12)?.reshape(36)?;
-
-        let z = Tensor::new(
-            &[
-                1_f32, 02., 03., 04., 05., 06., 07., 08., 09., 10., 11., 12., 13., 14., 15., 16.,
-                17., 18., 19., 20., 21., 22., 23., 24., 25., 26., 27., 28., 29., 30., 31., 32.,
-                33., 34., 35., 36.,
-            ],
-            device,
-        )?;
-
-        let loss = y.unsqueeze(1)?.transpose(0, 1)?.matmul(&z.unsqueeze(1)?)?;
-        let grads = loss.backward()?;
-        let grad_x = grads.get(&x).context("no grad for x")?;
-
-        assert_eq!(
-            test_utils::to_vec3_round(grad_x, 4)?,
-            [[[10_f32, 26., 42.], [58., 74., 90.], [106., 122., 138.]]]
-        );
-    }
-
     // manually checked: see comments
     let x = Var::new(&[[[[1f32, 2., 3.], [4., 5., 6.], [7., 8., 9.]]]], device)?;
     let y = x.interpolate2d(6, 6)?.reshape(36)?;
 
+    #[rustfmt::skip]
     let z = Tensor::new(
         &[
-            1_f32, 02., 03., 04., 05., 06., 07., 08., 09., 10., 11., 12., 13., 14., 15., 16., 17.,
-            18., 19., 20., 21., 22., 23., 24., 25., 26., 27., 28., 29., 30., 31., 32., 33., 34.,
-            35., 36.,
+            1_f32, 02., 03., 04., 05., 06.,
+            07.,   08., 09., 10., 11., 12.,
+            13.,   14., 15., 16., 17., 18.,
+            19.,   20., 21., 22., 23., 24.,
+            25.,   26., 27., 28., 29., 30.,
+            31.,   32., 33., 34., 35., 36.,
         ],
         device,
     )?;
@@ -345,11 +326,15 @@ fn unary_grad(device: &Device) -> Result<()> {
     let x = Var::new(&[[[[1f32, 2.], [4., 5.]]]], device)?;
     let y = x.interpolate2d(6, 6)?.reshape(36)?;
 
+    #[rustfmt::skip]
     let z = Tensor::new(
         &[
-            1_f32, 02., 03., 04., 05., 06., 07., 08., 09., 10., 11., 12., 13., 14., 15., 16., 17.,
-            18., 19., 20., 21., 22., 23., 24., 25., 26., 27., 28., 29., 30., 31., 32., 33., 34.,
-            35., 36.,
+            1_f32, 02., 03., 04., 05., 06.,
+            07.,   08., 09., 10., 11., 12.,
+            13.,   14., 15., 16., 17., 18.,
+            19.,   20., 21., 22., 23., 24.,
+            25.,   26., 27., 28., 29., 30.,
+            31.,   32., 33., 34., 35., 36.,
         ],
         device,
     )?;

candle-core/tests/quantized_tests.rs

@@ -178,6 +178,10 @@ test_device!(
 );
 
 fn quantize_q4_0(device: &Device) -> Result<()> {
+    // TODO Enable this later when we enable cuda.
+    if device.is_cuda() {
+        return Ok(());
+    }
     let src = (0..32 * 4).map(|v| v as f32).collect::<Vec<_>>();
 
     let src = Tensor::from_slice(&src, (32 * 4,), device)?;
@@ -205,6 +209,10 @@ fn quantize_q4_0(device: &Device) -> Result<()> {
 }
 
 fn quantize_q4_1(device: &Device) -> Result<()> {
+    // TODO Enable this later when we enable cuda.
+    if device.is_cuda() {
+        return Ok(());
+    }
     let src = (0..32 * 4).map(|v| v as f32).collect::<Vec<_>>();
     let src = Tensor::from_slice(&src, (32 * 4,), device)?;
     let quant = quantized::QTensor::quantize(&src, GgmlDType::Q4_1)?;
@@ -231,6 +239,10 @@ fn quantize_q4_1(device: &Device) -> Result<()> {
 }
 
 fn quantize_q5_0(device: &Device) -> Result<()> {
+    // TODO Enable this later when we enable cuda.
+    if device.is_cuda() {
+        return Ok(());
+    }
     let src = (0..32 * 4).map(|v| v as f32).collect::<Vec<_>>();
     let src = Tensor::from_slice(&src, (32 * 4,), device)?;
     let quant = quantized::QTensor::quantize(&src, GgmlDType::Q5_0)?;
@@ -257,6 +269,10 @@ fn quantize_q5_0(device: &Device) -> Result<()> {
 }
 
 fn quantize_q5_1(device: &Device) -> Result<()> {
+    // TODO Enable this later when we enable cuda.
+    if device.is_cuda() {
+        return Ok(());
+    }
     let src = (0..32 * 4).map(|v| v as f32).collect::<Vec<_>>();
     let src = Tensor::from_slice(&src, (32 * 4,), device)?;
     let quant = quantized::QTensor::quantize(&src, GgmlDType::Q5_1)?;
@@ -357,6 +373,10 @@ fn ggml_quantization_error_test(dtype: GgmlDType, device: &Device, max_error: f3
 }
 
 fn quantize_q2k(device: &Device) -> Result<()> {
+    // TODO Enable this later when we enable cuda.
+    if device.is_cuda() {
+        return Ok(());
+    }
     let dtype = GgmlDType::Q2K;
 
     let src = get_test_vector2(0.5, 1024, device)?;
@@ -391,6 +411,10 @@ fn quantize_q2k(device: &Device) -> Result<()> {
 }
 
 fn quantize_q3k(device: &Device) -> Result<()> {
+    // TODO Enable this later when we enable cuda.
+    if device.is_cuda() {
+        return Ok(());
+    }
     let dtype = GgmlDType::Q3K;
     let src = get_test_vector2(0.5, 1024, device)?;
     let quant = quantized::QTensor::quantize(&src, dtype)?;
@@ -424,6 +448,10 @@ fn quantize_q3k(device: &Device) -> Result<()> {
 }
 
 fn quantize_q4k(device: &Device) -> Result<()> {
+    // TODO Enable this later when we enable cuda.
+    if device.is_cuda() {
+        return Ok(());
+    }
     let dtype = GgmlDType::Q4K;
     let src = get_test_vector2(0.5, 1024, device)?;
     let quant = quantized::QTensor::quantize(&src, dtype)?;
@@ -457,6 +485,10 @@ fn quantize_q4k(device: &Device) -> Result<()> {
 }
 
 fn quantize_q5k(device: &Device) -> Result<()> {
+    // TODO Enable this later when we enable cuda.
+    if device.is_cuda() {
+        return Ok(());
+    }
     let dtype = GgmlDType::Q5K;
     let src = get_test_vector2(0.5, 1024, device)?;
     let quant = quantized::QTensor::quantize(&src, dtype)?;
@@ -490,6 +522,10 @@ fn quantize_q5k(device: &Device) -> Result<()> {
 }
 
 fn quantize_q6k(device: &Device) -> Result<()> {
+    // TODO Enable this later when we enable cuda.
+    if device.is_cuda() {
+        return Ok(());
+    }
     let dtype = GgmlDType::Q6K;
     let src = get_test_vector2(0.5, 1024, device)?;
     let quant = quantized::QTensor::quantize(&src, dtype)?;
@@ -523,6 +559,10 @@ fn quantize_q6k(device: &Device) -> Result<()> {
 }
 
 fn quantize_q8k(device: &Device) -> Result<()> {
+    // TODO Enable this later when we enable cuda.
+    if device.is_cuda() {
+        return Ok(());
+    }
     let dtype = GgmlDType::Q8K;
     let src = get_test_vector2(0.5, 1024, device)?;
     let quant = quantized::QTensor::quantize(&src, dtype)?;
@@ -738,6 +778,10 @@ macro_rules! quantized_matmul {
     // stable. https://github.com/rust-lang/rust/issues/29599
     ($fn_name: ident, $fn_name_cpu: ident, $fn_name_cuda: ident, $fn_name_metal: ident, $dtype: expr) => {
         fn $fn_name(device: &Device) -> Result<()> {
+            if device.is_cuda() {
+                // TODO Enable Cuda GGML sometime maybe.
+                return Ok(());
+            }
             test_matmul(device, (1, 3, 4, 256), $dtype)?;
             Ok(())
         }

candle-examples/Cargo.toml

@@ -12,7 +12,7 @@ readme = "README.md"
 [dependencies]
 accelerate-src = { workspace = true, optional = true }
 candle = { workspace = true }
-candle-datasets = { workspace = true, optional = true }
+candle-datasets = { workspace = true }
 candle-nn = { workspace = true }
 candle-transformers = { workspace = true }
 candle-flash-attn = { workspace = true, optional = true }
@@ -30,7 +30,7 @@ rayon = { workspace = true }
 safetensors = { workspace = true }
 serde = { workspace = true }
 serde_json = { workspace = true }
-symphonia = { version = "0.5.3", features = ["all"], optional = true }
+symphonia = { version = "0.5.3", features = ["all"] }
 tokenizers = { workspace = true, features = ["onig"] }
 cpal= { version = "0.15.2", optional = true }
 
@@ -80,26 +80,6 @@ required-features = ["onnx"]
 name = "onnx_basics"
 required-features = ["onnx"]
 
-[[example]]
-name = "whisper"
-required-features = ["symphonia"]
-
 [[example]]
 name = "whisper-microphone"
 required-features = ["microphone"]
-
-[[example]]
-name = "mnist-training"
-required-features = ["candle-datasets"]
-
-[[example]]
-name = "llama2-c"
-required-features = ["candle-datasets"]
-
-[[example]]
-name = "encodec"
-required-features = ["symphonia"]
-
-[[example]]
-name = "metavoice"
-required-features = ["symphonia"]

candle-examples/examples/custom-ops/cuda_kernels.rs

@@ -1 +0,0 @@
-pub const LAYERNORM_KERNELS: &str = include_str!(concat!(env!("OUT_DIR"), "/layernorm_kernels.ptx"));

candle-examples/examples/efficientvit/README.md

@@ -1,20 +0,0 @@
-# candle-efficientvit
-
-[EfficientViT: Memory Efficient Vision Transformer with Cascaded Group Attention](https://arxiv.org/abs/2305.07027).
-
-This candle implementation uses a pre-trained EfficientViT (from Microsoft Research Asia) network for inference.
-The classification head has been trained on the ImageNet dataset and returns the probabilities for the top-5 classes.
-
-## Running an example
-
-```
-$ cargo run --example efficientvit --release -- --image candle-examples/examples/yolo-v8/assets/bike.jpg --which m1
-
-loaded image Tensor[dims 3, 224, 224; f32]
-model built
-mountain bike, all-terrain bike, off-roader: 69.80%
-unicycle, monocycle     : 13.03%
-bicycle-built-for-two, tandem bicycle, tandem: 9.28%
-crash helmet            : 2.25%
-alp                     : 0.46%
-```

candle-examples/examples/efficientvit/main.rs

@@ -1,99 +0,0 @@
-#[cfg(feature = "mkl")]
-extern crate intel_mkl_src;
-
-#[cfg(feature = "accelerate")]
-extern crate accelerate_src;
-
-use clap::{Parser, ValueEnum};
-
-use candle::{DType, IndexOp, D};
-use candle_nn::{Module, VarBuilder};
-use candle_transformers::models::efficientvit;
-
-#[derive(Clone, Copy, Debug, ValueEnum)]
-enum Which {
-    M0,
-    M1,
-    M2,
-    M3,
-    M4,
-    M5,
-}
-
-impl Which {
-    fn model_filename(&self) -> String {
-        let name = match self {
-            Self::M0 => "m0",
-            Self::M1 => "m1",
-            Self::M2 => "m2",
-            Self::M3 => "m3",
-            Self::M4 => "m4",
-            Self::M5 => "m5",
-        };
-        format!("timm/efficientvit_{}.r224_in1k", name)
-    }
-
-    fn config(&self) -> efficientvit::Config {
-        match self {
-            Self::M0 => efficientvit::Config::m0(),
-            Self::M1 => efficientvit::Config::m1(),
-            Self::M2 => efficientvit::Config::m2(),
-            Self::M3 => efficientvit::Config::m3(),
-            Self::M4 => efficientvit::Config::m4(),
-            Self::M5 => efficientvit::Config::m5(),
-        }
-    }
-}
-
-#[derive(Parser)]
-struct Args {
-    #[arg(long)]
-    model: Option<String>,
-
-    #[arg(long)]
-    image: String,
-
-    /// Run on CPU rather than on GPU.
-    #[arg(long)]
-    cpu: bool,
-
-    #[arg(value_enum, long, default_value_t=Which::M0)]
-    which: Which,
-}
-
-pub fn main() -> anyhow::Result<()> {
-    let args = Args::parse();
-
-    let device = candle_examples::device(args.cpu)?;
-
-    let image = candle_examples::imagenet::load_image224(args.image)?;
-    println!("loaded image {image:?}");
-
-    let model_file = match args.model {
-        None => {
-            let model_name = args.which.model_filename();
-            let api = hf_hub::api::sync::Api::new()?;
-            let api = api.model(model_name);
-            api.get("model.safetensors")?
-        }
-        Some(model) => model.into(),
-    };
-
-    let vb = unsafe { VarBuilder::from_mmaped_safetensors(&[model_file], DType::F32, &device)? };
-    let model = efficientvit::efficientvit(&args.which.config(), 1000, vb)?;
-    println!("model built");
-    let logits = model.forward(&image.unsqueeze(0)?)?;
-    let prs = candle_nn::ops::softmax(&logits, D::Minus1)?
-        .i(0)?
-        .to_vec1::<f32>()?;
-    let mut prs = prs.iter().enumerate().collect::<Vec<_>>();
-    prs.sort_by(|(_, p1), (_, p2)| p2.total_cmp(p1));
-    for &(category_idx, pr) in prs.iter().take(5) {
-        println!(
-            "{:24}: {:.2}%",
-            candle_examples::imagenet::CLASSES[category_idx],
-            100. * pr
-        );
-    }
-    Ok(())
-}

candle-examples/examples/encodec/README.md

@@ -1,20 +0,0 @@
-# candle-endocec
-
-[EnCodec](https://huggingface.co/facebook/encodec_24khz) is a high-quality audio
-compression model using an encoder/decoder architecture with residual vector
-quantization.
-
-## Running one example
-
-```bash
-cargo run --example encodec --features symphonia --release -- code-to-audio \
-    candle-examples/examples/encodec/jfk-codes.safetensors \
-    jfk.wav
-```
-
-This decodes the EnCodec tokens stored in `jfk-codes.safetensors` and generates
-an output wav file containing the audio data. Instead of `code-to-audio` one
-can use:
-- `audio-to-audio in.mp3 out.wav`: encodes the input audio file then decodes it to a wav file.
-- `audio-to-code in.mp3 out.safetensors`: generates a safetensors file
-  containing EnCodec tokens for the input audio file.

candle-examples/examples/encodec/main.rs

@@ -1,143 +0,0 @@
-#[cfg(feature = "mkl")]
-extern crate intel_mkl_src;
-
-#[cfg(feature = "accelerate")]
-extern crate accelerate_src;
-
-use anyhow::Result;
-use candle::{DType, IndexOp, Tensor};
-use candle_nn::VarBuilder;
-use candle_transformers::models::encodec::{Config, Model};
-use clap::{Parser, ValueEnum};
-use hf_hub::api::sync::Api;
-
-fn conv<T>(samples: &mut Vec<f32>, data: std::borrow::Cow<symphonia::core::audio::AudioBuffer<T>>)
-where
-    T: symphonia::core::sample::Sample,
-    f32: symphonia::core::conv::FromSample<T>,
-{
-    use symphonia::core::audio::Signal;
-    use symphonia::core::conv::FromSample;
-    samples.extend(data.chan(0).iter().map(|v| f32::from_sample(*v)))
-}
-
-fn pcm_decode<P: AsRef<std::path::Path>>(path: P) -> anyhow::Result<(Vec<f32>, u32)> {
-    use symphonia::core::audio::{AudioBufferRef, Signal};
-
-    let src = std::fs::File::open(path)?;
-    let mss = symphonia::core::io::MediaSourceStream::new(Box::new(src), Default::default());
-    let hint = symphonia::core::probe::Hint::new();
-    let meta_opts: symphonia::core::meta::MetadataOptions = Default::default();
-    let fmt_opts: symphonia::core::formats::FormatOptions = Default::default();
-    let probed = symphonia::default::get_probe().format(&hint, mss, &fmt_opts, &meta_opts)?;
-    let mut format = probed.format;
-    let track = format
-        .tracks()
-        .iter()
-        .find(|t| t.codec_params.codec != symphonia::core::codecs::CODEC_TYPE_NULL)
-        .expect("no supported audio tracks");
-    let mut decoder = symphonia::default::get_codecs()
-        .make(&track.codec_params, &Default::default())
-        .expect("unsupported codec");
-    let track_id = track.id;
-    let sample_rate = track.codec_params.sample_rate.unwrap_or(0);
-    let mut pcm_data = Vec::new();
-    while let Ok(packet) = format.next_packet() {
-        while !format.metadata().is_latest() {
-            format.metadata().pop();
-        }
-        if packet.track_id() != track_id {
-            continue;
-        }
-        match decoder.decode(&packet)? {
-            AudioBufferRef::F32(buf) => pcm_data.extend(buf.chan(0)),
-            AudioBufferRef::U8(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::U16(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::U24(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::U32(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::S8(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::S16(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::S24(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::S32(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::F64(data) => conv(&mut pcm_data, data),
-        }
-    }
-    Ok((pcm_data, sample_rate))
-}
-
-#[derive(Clone, Debug, Copy, PartialEq, Eq, ValueEnum)]
-enum Action {
-    AudioToAudio,
-    AudioToCode,
-    CodeToAudio,
-}
-
-#[derive(Parser, Debug)]
-#[command(author, version, about, long_about = None)]
-struct Args {
-    /// The action to be performed, specifies the format for the input and output data.
-    action: Action,
-
-    /// The input file, either an audio file or some encodec tokens stored as safetensors.
-    in_file: String,
-
-    /// The output file, either a wave audio file or some encodec tokens stored as safetensors.
-    out_file: String,
-
-    /// Run on CPU rather than on GPU.
-    #[arg(long)]
-    cpu: bool,
-
-    /// The model weight file, in safetensor format.
-    #[arg(long)]
-    model: Option<String>,
-}
-
-fn main() -> Result<()> {
-    let args = Args::parse();
-    let device = candle_examples::device(args.cpu)?;
-    let model = match args.model {
-        Some(model) => std::path::PathBuf::from(model),
-        None => Api::new()?
-            .model("facebook/encodec_24khz".to_string())
-            .get("model.safetensors")?,
-    };
-    let vb = unsafe { VarBuilder::from_mmaped_safetensors(&[model], DType::F32, &device)? };
-    let config = Config::default();
-    let model = Model::new(&config, vb)?;
-
-    let codes = match args.action {
-        Action::CodeToAudio => {
-            let codes = candle::safetensors::load(args.in_file, &device)?;
-            let codes = codes.get("codes").expect("no codes in input file").i(0)?;
-            codes
-        }
-        Action::AudioToCode | Action::AudioToAudio => {
-            let (pcm, sample_rate) = pcm_decode(args.in_file)?;
-            if sample_rate != 24_000 {
-                println!("WARNING: encodec uses a 24khz sample rate, input uses {sample_rate}")
-            }
-            let pcm_len = pcm.len();
-            let pcm = Tensor::from_vec(pcm, (1, 1, pcm_len), &device)?;
-            println!("input pcm shape: {:?}", pcm.shape());
-            model.encode(&pcm)?
-        }
-    };
-    println!("codes shape: {:?}", codes.shape());
-
-    match args.action {
-        Action::AudioToCode => {
-            codes.save_safetensors("codes", &args.out_file)?;
-        }
-        Action::AudioToAudio | Action::CodeToAudio => {
-            let pcm = model.decode(&codes)?;
-            println!("output pcm shape: {:?}", pcm.shape());
-            let pcm = pcm.i(0)?.i(0)?;
-            let pcm = candle_examples::audio::normalize_loudness(&pcm, 24_000, true)?;
-            let pcm = pcm.to_vec1::<f32>()?;
-            let mut output = std::fs::File::create(&args.out_file)?;
-            candle_examples::wav::write_pcm_as_wav(&mut output, &pcm, 24_000)?;
-        }
-    }
-    Ok(())
-}

candle-examples/examples/gemma/README.md

@@ -1,27 +0,0 @@
-# candle-mistral: 2b and 7b LLMs from Google DeepMind
-
-[Gemma](https://ai.google.dev/gemma/docs) is a collection of lightweight open
-models published by Google Deepmind with a 2b and a 7b variant.
-
-In order to use the example below, you have to accept the license on the
-[HuggingFace Hub Gemma repo](https://huggingface.co/google/gemma-7b) and set up
-your access token via the [HuggingFace cli login
-command](https://huggingface.co/docs/huggingface_hub/guides/cli#huggingface-cli-login).
-
-## Running the example
-
-```bash
-$ cargo run --example gemma --release -- --prompt "fn count_primes(max_n: usize)"
-fn count_primes(max_n: usize) -> usize {
-    let mut primes = vec![true; max_n];
-    for i in 2..=max_n {
-        if primes[i] {
-            for j in i * i..max_n {
-                primes[j] = false;
-             }
-         }
-    }
-    primes.len()
-}
-```
-

candle-examples/examples/gemma/main.rs

@@ -1,256 +0,0 @@
-#[cfg(feature = "mkl")]
-extern crate intel_mkl_src;
-
-#[cfg(feature = "accelerate")]
-extern crate accelerate_src;
-
-use anyhow::{Error as E, Result};
-use clap::Parser;
-
-use candle_transformers::models::gemma::{Config, Model};
-
-use candle::{DType, Device, Tensor};
-use candle_examples::token_output_stream::TokenOutputStream;
-use candle_nn::VarBuilder;
-use candle_transformers::generation::LogitsProcessor;
-use hf_hub::{api::sync::Api, Repo, RepoType};
-use tokenizers::Tokenizer;
-
-struct TextGeneration {
-    model: Model,
-    device: Device,
-    tokenizer: TokenOutputStream,
-    logits_processor: LogitsProcessor,
-    repeat_penalty: f32,
-    repeat_last_n: usize,
-}
-
-impl TextGeneration {
-    #[allow(clippy::too_many_arguments)]
-    fn new(
-        model: Model,
-        tokenizer: Tokenizer,
-        seed: u64,
-        temp: Option<f64>,
-        top_p: Option<f64>,
-        repeat_penalty: f32,
-        repeat_last_n: usize,
-        device: &Device,
-    ) -> Self {
-        let logits_processor = LogitsProcessor::new(seed, temp, top_p);
-        Self {
-            model,
-            tokenizer: TokenOutputStream::new(tokenizer),
-            logits_processor,
-            repeat_penalty,
-            repeat_last_n,
-            device: device.clone(),
-        }
-    }
-
-    fn run(&mut self, prompt: &str, sample_len: usize) -> Result<()> {
-        use std::io::Write;
-        self.tokenizer.clear();
-        let mut tokens = self
-            .tokenizer
-            .tokenizer()
-            .encode(prompt, true)
-            .map_err(E::msg)?
-            .get_ids()
-            .to_vec();
-        for &t in tokens.iter() {
-            if let Some(t) = self.tokenizer.next_token(t)? {
-                print!("{t}")
-            }
-        }
-        std::io::stdout().flush()?;
-
-        let mut generated_tokens = 0usize;
-        let eos_token = match self.tokenizer.get_token("<eos>") {
-            Some(token) => token,
-            None => anyhow::bail!("cannot find the <eos> token"),
-        };
-        let start_gen = std::time::Instant::now();
-        for index in 0..sample_len {
-            let context_size = if index > 0 { 1 } else { tokens.len() };
-            let start_pos = tokens.len().saturating_sub(context_size);
-            let ctxt = &tokens[start_pos..];
-            let input = Tensor::new(ctxt, &self.device)?.unsqueeze(0)?;
-            let logits = self.model.forward(&input, start_pos)?;
-            let logits = logits.squeeze(0)?.squeeze(0)?.to_dtype(DType::F32)?;
-            let logits = if self.repeat_penalty == 1. {
-                logits
-            } else {
-                let start_at = tokens.len().saturating_sub(self.repeat_last_n);
-                candle_transformers::utils::apply_repeat_penalty(
-                    &logits,
-                    self.repeat_penalty,
-                    &tokens[start_at..],
-                )?
-            };
-
-            let next_token = self.logits_processor.sample(&logits)?;
-            tokens.push(next_token);
-            generated_tokens += 1;
-            if next_token == eos_token {
-                break;
-            }
-            if let Some(t) = self.tokenizer.next_token(next_token)? {
-                print!("{t}");
-                std::io::stdout().flush()?;
-            }
-        }
-        let dt = start_gen.elapsed();
-        if let Some(rest) = self.tokenizer.decode_rest().map_err(E::msg)? {
-            print!("{rest}");
-        }
-        std::io::stdout().flush()?;
-        println!(
-            "\n{generated_tokens} tokens generated ({:.2} token/s)",
-            generated_tokens as f64 / dt.as_secs_f64(),
-        );
-        Ok(())
-    }
-}
-
-#[derive(Parser, Debug)]
-#[command(author, version, about, long_about = None)]
-struct Args {
-    /// Run on CPU rather than on GPU.
-    #[arg(long)]
-    cpu: bool,
-
-    /// Enable tracing (generates a trace-timestamp.json file).
-    #[arg(long)]
-    tracing: bool,
-
-    #[arg(long)]
-    prompt: String,
-
-    /// The temperature used to generate samples.
-    #[arg(long)]
-    temperature: Option<f64>,
-
-    /// Nucleus sampling probability cutoff.
-    #[arg(long)]
-    top_p: Option<f64>,
-
-    /// The seed to use when generating random samples.
-    #[arg(long, default_value_t = 299792458)]
-    seed: u64,
-
-    /// The length of the sample to generate (in tokens).
-    #[arg(long, short = 'n', default_value_t = 10000)]
-    sample_len: usize,
-
-    #[arg(long)]
-    model_id: Option<String>,
-
-    #[arg(long, default_value = "main")]
-    revision: String,
-
-    #[arg(long)]
-    tokenizer_file: Option<String>,
-
-    #[arg(long)]
-    config_file: Option<String>,
-
-    #[arg(long)]
-    weight_files: Option<String>,
-
-    /// Penalty to be applied for repeating tokens, 1. means no penalty.
-    #[arg(long, default_value_t = 1.1)]
-    repeat_penalty: f32,
-
-    /// The context size to consider for the repeat penalty.
-    #[arg(long, default_value_t = 64)]
-    repeat_last_n: usize,
-}
-
-fn main() -> Result<()> {
-    use tracing_chrome::ChromeLayerBuilder;
-    use tracing_subscriber::prelude::*;
-
-    let args = Args::parse();
-    let _guard = if args.tracing {
-        let (chrome_layer, guard) = ChromeLayerBuilder::new().build();
-        tracing_subscriber::registry().with(chrome_layer).init();
-        Some(guard)
-    } else {
-        None
-    };
-    println!(
-        "avx: {}, neon: {}, simd128: {}, f16c: {}",
-        candle::utils::with_avx(),
-        candle::utils::with_neon(),
-        candle::utils::with_simd128(),
-        candle::utils::with_f16c()
-    );
-    println!(
-        "temp: {:.2} repeat-penalty: {:.2} repeat-last-n: {}",
-        args.temperature.unwrap_or(0.),
-        args.repeat_penalty,
-        args.repeat_last_n
-    );
-
-    let start = std::time::Instant::now();
-    let api = Api::new()?;
-    let model_id = match &args.model_id {
-        Some(model_id) => match model_id.as_str() {
-            "7b-it" => "google/gemma-7b-it".to_string(),
-            "7b" => "google/gemma-7b".to_string(),
-            "2b-it" => "google/gemma-2b-it".to_string(),
-            "2b" => "google/gemma-2b".to_string(),
-            _ => model_id.to_string(),
-        },
-        None => "google/gemma-2b".to_string(),
-    };
-    let repo = api.repo(Repo::with_revision(
-        model_id,
-        RepoType::Model,
-        args.revision,
-    ));
-    let tokenizer_filename = match args.tokenizer_file {
-        Some(file) => std::path::PathBuf::from(file),
-        None => repo.get("tokenizer.json")?,
-    };
-    let config_filename = match args.config_file {
-        Some(file) => std::path::PathBuf::from(file),
-        None => repo.get("config.json")?,
-    };
-    let filenames = match args.weight_files {
-        Some(files) => files
-            .split(',')
-            .map(std::path::PathBuf::from)
-            .collect::<Vec<_>>(),
-        None => candle_examples::hub_load_safetensors(&repo, "model.safetensors.index.json")?,
-    };
-    println!("retrieved the files in {:?}", start.elapsed());
-    let tokenizer = Tokenizer::from_file(tokenizer_filename).map_err(E::msg)?;
-    let config: Config = serde_json::from_reader(std::fs::File::open(config_filename)?)?;
-
-    let start = std::time::Instant::now();
-    let device = candle_examples::device(args.cpu)?;
-    let dtype = if device.is_cuda() {
-        DType::BF16
-    } else {
-        DType::F32
-    };
-    let vb = unsafe { VarBuilder::from_mmaped_safetensors(&filenames, dtype, &device)? };
-    let model = Model::new(&config, vb)?;
-
-    println!("loaded the model in {:?}", start.elapsed());
-
-    let mut pipeline = TextGeneration::new(
-        model,
-        tokenizer,
-        args.seed,
-        args.temperature,
-        args.top_p,
-        args.repeat_penalty,
-        args.repeat_last_n,
-        &device,
-    );
-    pipeline.run(&args.prompt, args.sample_len)?;
-    Ok(())
-}

candle-examples/examples/llama/main.rs

@@ -57,7 +57,7 @@ struct Args {
     seed: u64,
 
     /// The length of the sample to generate (in tokens).
-    #[arg(long, default_value_t = 10000)]
+    #[arg(long, default_value_t = 100)]
     sample_len: usize,
 
     /// Disable the key-value cache.
@@ -120,7 +120,7 @@ fn main() -> Result<()> {
         Some(dtype) => bail!("Unsupported dtype {dtype}"),
         None => DType::F16,
     };
-    let (llama, tokenizer_filename, mut cache) = {
+    let (llama, tokenizer_filename, cache) = {
         let api = Api::new()?;
         let model_id = args.model_id.unwrap_or_else(|| match args.which {
             Which::V1 => "Narsil/amall-7b".to_string(),
@@ -143,10 +143,11 @@ fn main() -> Result<()> {
             }
             Which::TinyLlama1_1BChat => vec![api.get("model.safetensors")?],
         };
+        println!("building the model");
         let cache = model::Cache::new(!args.no_kv_cache, dtype, &config, &device)?;
 
         let vb = unsafe { VarBuilder::from_mmaped_safetensors(&filenames, dtype, &device)? };
-        (Llama::load(vb, &config)?, tokenizer_filename, cache)
+        (Llama::load(vb, &cache, &config)?, tokenizer_filename, cache)
     };
     let tokenizer = Tokenizer::from_file(tokenizer_filename).map_err(E::msg)?;
     let eos_token_id = tokenizer.token_to_id(EOS_TOKEN);
@@ -156,7 +157,6 @@ fn main() -> Result<()> {
         .map_err(E::msg)?
         .get_ids()
         .to_vec();
-    let mut tokenizer = candle_examples::token_output_stream::TokenOutputStream::new(tokenizer);
 
     println!("starting the inference loop");
     print!("{prompt}");
@@ -172,7 +172,7 @@ fn main() -> Result<()> {
         };
         let ctxt = &tokens[tokens.len().saturating_sub(context_size)..];
         let input = Tensor::new(ctxt, &device)?.unsqueeze(0)?;
-        let logits = llama.forward(&input, context_index, &mut cache)?;
+        let logits = llama.forward(&input, context_index)?;
         let logits = logits.squeeze(0)?;
         let logits = if args.repeat_penalty == 1. {
             logits
@@ -190,16 +190,18 @@ fn main() -> Result<()> {
         token_generated += 1;
         tokens.push(next_token);
 
+        // Extracting the last token as a string is complicated, here we just apply some simple
+        // heuristics as it seems to work well enough for this example. See the following for more
+        // details:
+        // https://github.com/huggingface/tokenizers/issues/1141#issuecomment-1562644141
+        if let Some(text) = tokenizer.id_to_token(next_token) {
+            let text = text.replace('▁', " ").replace("<0x0A>", "\n");
+            print!("{text}");
+            std::io::stdout().flush()?;
+        }
         if Some(next_token) == eos_token_id {
             break;
         }
-        if let Some(t) = tokenizer.next_token(next_token)? {
-            print!("{t}");
-            std::io::stdout().flush()?;
-        }
-    }
-    if let Some(rest) = tokenizer.decode_rest().map_err(E::msg)? {
-        print!("{rest}");
     }
     let dt = start_gen.elapsed();
     println!(

candle-examples/examples/llama2-c/main.rs

@@ -19,7 +19,7 @@ use candle_transformers::generation::LogitsProcessor;
 use std::io::Write;
 use tokenizers::Tokenizer;
 
-use model::{Cache, Config, Llama};
+use model::{Config, Llama};
 use qmodel::QLlama;
 use weights::TransformerWeights;
 
@@ -160,10 +160,10 @@ enum Model {
 }
 
 impl Model {
-    fn forward(&self, xs: &Tensor, pos: usize, cache: &mut Cache) -> anyhow::Result<Tensor> {
+    fn forward(&self, xs: &Tensor, pos: usize) -> anyhow::Result<Tensor> {
         match self {
-            Self::Llama(l) => Ok(l.forward(xs, pos, cache)?),
-            Self::QLlama(l) => Ok(l.forward(xs, pos, cache)?),
+            Self::Llama(l) => Ok(l.forward(xs, pos)?),
+            Self::QLlama(l) => Ok(l.forward(xs, pos)?),
         }
     }
 }
@@ -188,8 +188,8 @@ fn run_eval(args: &EvaluationCmd, common_args: &Args) -> Result<()> {
     let config = Config::from_reader(&mut file)?;
     let weights = TransformerWeights::from_reader(&mut file, &config, &device)?;
     let vb = weights.var_builder(&config, &device)?;
-    let mut cache = Cache::new(false, &config, vb.pp("rot"))?;
-    let model = Llama::load(vb, config)?;
+    let cache = model::Cache::new(false, &config, vb.pp("rot"))?;
+    let model = Llama::load(vb, &cache, config)?;
 
     let tokens = match &args.pretokenized_dir {
         None => {
@@ -235,7 +235,7 @@ fn run_eval(args: &EvaluationCmd, common_args: &Args) -> Result<()> {
     let batch_iter = candle_datasets::Batcher::new_r2(iter).batch_size(args.batch_size);
     for inp_tgt in batch_iter {
         let (inp, tgt) = inp_tgt?;
-        let logits = model.forward(&inp, 0, &mut cache)?;
+        let logits = model.forward(&inp, 0)?;
         let loss = candle_nn::loss::cross_entropy(&logits.flatten_to(1)?, &tgt.flatten_to(1)?)?;
         println!("{}", loss.to_vec0::<f32>()?);
     }
@@ -261,7 +261,7 @@ fn run_inference(args: &InferenceCmd, common_args: &Args) -> Result<()> {
     let is_safetensors = config_path
         .extension()
         .map_or(false, |v| v == "safetensors");
-    let (model, config, mut cache) = if is_gguf {
+    let (model, config) = if is_gguf {
         let vb = qmodel::VarBuilder::from_gguf(config_path, &device)?;
         let (_vocab_size, dim) = vb
             .get_no_shape("model.embed_tokens.weight")?
@@ -298,15 +298,15 @@ fn run_inference(args: &InferenceCmd, common_args: &Args) -> Result<()> {
             &device,
         );
         let cache = model::Cache::new(true, &config, fake_vb)?;
-        let model = Model::QLlama(QLlama::load(vb, config.clone())?);
-        (model, config, cache)
+        let model = Model::QLlama(QLlama::load(vb, &cache, config.clone())?);
+        (model, config)
     } else if is_safetensors {
         let config = Config::tiny_15m();
         let tensors = candle::safetensors::load(config_path, &device)?;
         let vb = candle_nn::VarBuilder::from_tensors(tensors, candle::DType::F32, &device);
         let cache = model::Cache::new(true, &config, vb.pp("rot"))?;
-        let model = Model::Llama(Llama::load(vb, config.clone())?);
-        (model, config, cache)
+        let model = Model::Llama(Llama::load(vb, &cache, config.clone())?);
+        (model, config)
     } else {
         let mut file = std::fs::File::open(config_path)?;
         let config = Config::from_reader(&mut file)?;
@@ -314,8 +314,8 @@ fn run_inference(args: &InferenceCmd, common_args: &Args) -> Result<()> {
         let weights = TransformerWeights::from_reader(&mut file, &config, &device)?;
         let vb = weights.var_builder(&config, &device)?;
         let cache = model::Cache::new(true, &config, vb.pp("rot"))?;
-        let model = Model::Llama(Llama::load(vb, config.clone())?);
-        (model, config, cache)
+        let model = Model::Llama(Llama::load(vb, &cache, config.clone())?);
+        (model, config)
     };
 
     println!("starting the inference loop");
@@ -328,7 +328,6 @@ fn run_inference(args: &InferenceCmd, common_args: &Args) -> Result<()> {
         .map_err(E::msg)?
         .get_ids()
         .to_vec();
-    let mut tokenizer = candle_examples::token_output_stream::TokenOutputStream::new(tokenizer);
 
     let start_gen = std::time::Instant::now();
     for index in 0.. {
@@ -338,7 +337,7 @@ fn run_inference(args: &InferenceCmd, common_args: &Args) -> Result<()> {
         let context_size = if index > 0 { 1 } else { tokens.len() };
         let ctxt = &tokens[tokens.len().saturating_sub(context_size)..];
         let input = Tensor::new(ctxt, &device)?.unsqueeze(0)?;
-        let logits = model.forward(&input, index_pos, &mut cache)?;
+        let logits = model.forward(&input, index_pos)?;
         let logits = logits.i((0, logits.dim(1)? - 1))?;
         let logits = if common_args.repeat_penalty == 1. || tokens.is_empty() {
             logits
@@ -354,14 +353,16 @@ fn run_inference(args: &InferenceCmd, common_args: &Args) -> Result<()> {
 
         let next_token = logits_processor.sample(&logits)?;
         tokens.push(next_token);
-        if let Some(t) = tokenizer.next_token(next_token)? {
-            print!("{t}");
+        // Extracting the last token as a string is complicated, here we just apply some simple
+        // heuristics as it seems to work well enough for this example. See the following for more
+        // details:
+        // https://github.com/huggingface/tokenizers/issues/1141#issuecomment-1562644141
+        if let Some(text) = tokenizer.id_to_token(next_token) {
+            let text = text.replace('▁', " ").replace("<0x0A>", "\n");
+            print!("{text}");
             std::io::stdout().flush()?;
         }
     }
-    if let Some(rest) = tokenizer.decode_rest().map_err(E::msg)? {
-        print!("{rest}");
-    }
     let dt = start_gen.elapsed();
     println!(
         "\n{} tokens generated ({:.2} token/s)\n",

candle-examples/examples/llama2-c/training.rs

@@ -8,7 +8,6 @@ fn valid_loss(
     model: &Llama,
     args: &crate::TrainingCmd,
     device: &Device,
-    cache: &mut Cache,
 ) -> Result<f64> {
     let iter = DatasetRandomIter::new(dataset, true, model.config.seq_len, device.clone());
     let batch_iter = candle_datasets::Batcher::new_r2(iter).batch_size(args.batch_size);
@@ -16,7 +15,7 @@ fn valid_loss(
     let mut cnt = 0usize;
     for inp_tgt in batch_iter.take(50) {
         let (inp, tgt) = inp_tgt?;
-        let logits = model.forward(&inp, 0, cache)?;
+        let logits = model.forward(&inp, 0)?;
         let loss = candle_nn::loss::cross_entropy(&logits.flatten_to(1)?, &tgt.flatten_to(1)?)?;
         sum_ce += loss.to_vec0::<f32>()? as f64;
         cnt += 1;
@@ -38,8 +37,8 @@ pub fn run(args: &crate::TrainingCmd, common_args: &crate::Args) -> Result<()> {
     let iter = DatasetRandomIter::new(&dataset, false, config.seq_len, device.clone());
     let batch_iter = candle_datasets::Batcher::new_r2(iter).batch_size(args.batch_size);
 
-    let mut cache = Cache::new(false, &config, vb.pp("rot"))?;
-    let model = Llama::load(vb, config)?;
+    let cache = Cache::new(false, &config, vb.pp("rot"))?;
+    let model = Llama::load(vb, &cache, config)?;
     let params = candle_nn::ParamsAdamW {
         lr: args.learning_rate,
         ..Default::default()
@@ -47,14 +46,14 @@ pub fn run(args: &crate::TrainingCmd, common_args: &crate::Args) -> Result<()> {
     let mut opt = candle_nn::AdamW::new(varmap.all_vars(), params)?;
     for (batch_index, batch) in batch_iter.enumerate() {
         let (inp, tgt) = batch?;
-        let logits = model.forward(&inp, 0, &mut cache)?;
+        let logits = model.forward(&inp, 0)?;
         let loss = candle_nn::loss::cross_entropy(&logits.flatten_to(1)?, &tgt.flatten_to(1)?)?;
         opt.backward_step(&loss)?;
 
         if batch_index > 0 && batch_index % 100 == 0 {
             // TODO: Add a way to deactivate the backprop graph tracking when computing the
             // validation loss.
-            let loss = valid_loss(&dataset, &model, args, &device, &mut cache)?;
+            let loss = valid_loss(&dataset, &model, args, &device)?;
             println!("{batch_index} {loss}");
         }
         if batch_index > 0 && batch_index % 1000 == 0 {

candle-examples/examples/metavoice/README.md

@@ -1,18 +0,0 @@
-# candle-metavoice
-
-MetaVoice-1B is a text-to-speech model trained on 100K hours of speech, more
-details on the [model
-card](https://huggingface.co/metavoiceio/metavoice-1B-v0.1).
-
-Note that the current candle implementation suffers from some limitations as of
-2024-03-02:
-- The speaker embeddings are hardcoded.
-- The generated audio file quality is weaker than the Python implementation,
-  probably because of some implementation discrepancies.
-
-## Run an example
-
-```bash
-cargo run --example metavoice --release -- \\
-  --prompt "This is a demo of text to speech by MetaVoice-1B, an open-source foundational audio model."
-```

candle-examples/examples/metavoice/main.rs

@@ -1,342 +0,0 @@
-#[cfg(feature = "mkl")]
-extern crate intel_mkl_src;
-
-#[cfg(feature = "accelerate")]
-extern crate accelerate_src;
-
-use anyhow::Result;
-use clap::Parser;
-use std::io::Write;
-
-use candle_transformers::generation::LogitsProcessor;
-use candle_transformers::models::encodec;
-use candle_transformers::models::metavoice::{
-    adapters, gpt, speaker_encoder, tokenizers, transformer,
-};
-
-use candle::{DType, IndexOp, Tensor};
-use candle_nn::VarBuilder;
-use hf_hub::api::sync::Api;
-use rand::{distributions::Distribution, SeedableRng};
-
-pub const ENCODEC_NTOKENS: u32 = 1024;
-
-fn conv<T>(samples: &mut Vec<f32>, data: std::borrow::Cow<symphonia::core::audio::AudioBuffer<T>>)
-where
-    T: symphonia::core::sample::Sample,
-    f32: symphonia::core::conv::FromSample<T>,
-{
-    use symphonia::core::audio::Signal;
-    use symphonia::core::conv::FromSample;
-    samples.extend(data.chan(0).iter().map(|v| f32::from_sample(*v)))
-}
-
-fn pcm_decode<P: AsRef<std::path::Path>>(path: P) -> anyhow::Result<(Vec<f32>, u32)> {
-    use symphonia::core::audio::{AudioBufferRef, Signal};
-
-    let src = std::fs::File::open(path)?;
-    let mss = symphonia::core::io::MediaSourceStream::new(Box::new(src), Default::default());
-    let hint = symphonia::core::probe::Hint::new();
-    let meta_opts: symphonia::core::meta::MetadataOptions = Default::default();
-    let fmt_opts: symphonia::core::formats::FormatOptions = Default::default();
-    let probed = symphonia::default::get_probe().format(&hint, mss, &fmt_opts, &meta_opts)?;
-    let mut format = probed.format;
-    let track = format
-        .tracks()
-        .iter()
-        .find(|t| t.codec_params.codec != symphonia::core::codecs::CODEC_TYPE_NULL)
-        .expect("no supported audio tracks");
-    let mut decoder = symphonia::default::get_codecs()
-        .make(&track.codec_params, &Default::default())
-        .expect("unsupported codec");
-    let track_id = track.id;
-    let sample_rate = track.codec_params.sample_rate.unwrap_or(0);
-    let mut pcm_data = Vec::new();
-    while let Ok(packet) = format.next_packet() {
-        while !format.metadata().is_latest() {
-            format.metadata().pop();
-        }
-        if packet.track_id() != track_id {
-            continue;
-        }
-        match decoder.decode(&packet)? {
-            AudioBufferRef::F32(buf) => pcm_data.extend(buf.chan(0)),
-            AudioBufferRef::U8(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::U16(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::U24(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::U32(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::S8(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::S16(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::S24(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::S32(data) => conv(&mut pcm_data, data),
-            AudioBufferRef::F64(data) => conv(&mut pcm_data, data),
-        }
-    }
-    Ok((pcm_data, sample_rate))
-}
-
-#[derive(Clone, Debug, Copy, PartialEq, Eq, clap::ValueEnum)]
-enum ArgDType {
-    F32,
-    F16,
-    Bf16,
-}
-
-#[derive(Parser, Debug)]
-#[command(author, version, about, long_about = None)]
-struct Args {
-    /// Run on CPU rather than on GPU.
-    #[arg(long)]
-    cpu: bool,
-
-    /// Enable tracing (generates a trace-timestamp.json file).
-    #[arg(long)]
-    tracing: bool,
-
-    #[arg(long)]
-    prompt: String,
-
-    /// The guidance scale.
-    #[arg(long, default_value_t = 3.0)]
-    guidance_scale: f64,
-
-    /// The temperature used to generate samples.
-    #[arg(long, default_value_t = 1.0)]
-    temperature: f64,
-
-    /// The seed to use when generating random samples.
-    #[arg(long, default_value_t = 299792458)]
-    seed: u64,
-
-    /// The maximum number of tokens to generate for the first stage.
-    #[arg(long, default_value_t = 2000)]
-    max_tokens: u64,
-
-    /// The output file using the wav format.
-    #[arg(long, default_value = "out.wav")]
-    out_file: String,
-
-    #[arg(long)]
-    first_stage_meta: Option<String>,
-
-    #[arg(long)]
-    first_stage_weights: Option<String>,
-
-    #[arg(long)]
-    second_stage_weights: Option<String>,
-
-    #[arg(long)]
-    speaker_encoder_weights: Option<String>,
-
-    #[arg(long)]
-    encodec_weights: Option<String>,
-
-    /// The speaker embeddings, either an audio files in which case they are extracted, or a
-    /// safetensors file with the embeddings already extracted.
-    #[arg(long)]
-    spk_emb: Option<String>,
-
-    #[arg(long, default_value = "f32")]
-    dtype: ArgDType,
-}
-
-fn mel_filters() -> Result<Vec<f32>> {
-    let mel_bytes = include_bytes!("melfilters40.bytes").as_slice();
-    let mut mel_filters = vec![0f32; mel_bytes.len() / 4];
-    <byteorder::LittleEndian as byteorder::ByteOrder>::read_f32_into(mel_bytes, &mut mel_filters);
-    Ok(mel_filters)
-}
-
-fn main() -> Result<()> {
-    use tracing_chrome::ChromeLayerBuilder;
-    use tracing_subscriber::prelude::*;
-
-    let args = Args::parse();
-    let _guard = if args.tracing {
-        let (chrome_layer, guard) = ChromeLayerBuilder::new().build();
-        tracing_subscriber::registry().with(chrome_layer).init();
-        Some(guard)
-    } else {
-        None
-    };
-    println!(
-        "avx: {}, neon: {}, simd128: {}, f16c: {}",
-        candle::utils::with_avx(),
-        candle::utils::with_neon(),
-        candle::utils::with_simd128(),
-        candle::utils::with_f16c()
-    );
-    let device = candle_examples::device(args.cpu)?;
-    let api = Api::new()?;
-    let repo = api.model("lmz/candle-metavoice".to_string());
-    let first_stage_meta = match &args.first_stage_meta {
-        Some(w) => std::path::PathBuf::from(w),
-        None => repo.get("first_stage.meta.json")?,
-    };
-    let first_stage_meta: serde_json::Value =
-        serde_json::from_reader(&std::fs::File::open(first_stage_meta)?)?;
-    let first_stage_tokenizer = match first_stage_meta.as_object() {
-        None => anyhow::bail!("not a json object"),
-        Some(j) => match j.get("tokenizer") {
-            None => anyhow::bail!("no tokenizer key"),
-            Some(j) => j,
-        },
-    };
-    let fs_tokenizer = tokenizers::BPE::from_json(first_stage_tokenizer, 512)?;
-
-    let first_stage_weights = match &args.first_stage_weights {
-        Some(w) => std::path::PathBuf::from(w),
-        None => repo.get("first_stage.safetensors")?,
-    };
-    let second_stage_weights = match &args.second_stage_weights {
-        Some(w) => std::path::PathBuf::from(w),
-        None => repo.get("second_stage.safetensors")?,
-    };
-    let encodec_weights = match args.encodec_weights {
-        Some(w) => std::path::PathBuf::from(w),
-        None => Api::new()?
-            .model("facebook/encodec_24khz".to_string())
-            .get("model.safetensors")?,
-    };
-    let dtype = match args.dtype {
-        ArgDType::F32 => DType::F32,
-        ArgDType::F16 => DType::F16,
-        ArgDType::Bf16 => DType::BF16,
-    };
-    let first_stage_vb =
-        unsafe { VarBuilder::from_mmaped_safetensors(&[first_stage_weights], dtype, &device)? };
-    let first_stage_config = transformer::Config::cfg1b_v0_1();
-    let mut first_stage_model = transformer::Model::new(&first_stage_config, first_stage_vb)?;
-
-    let second_stage_vb =
-        unsafe { VarBuilder::from_mmaped_safetensors(&[second_stage_weights], dtype, &device)? };
-    let second_stage_config = gpt::Config::cfg1b_v0_1();
-    let second_stage_model = gpt::Model::new(second_stage_config.clone(), second_stage_vb)?;
-
-    let encodec_device = if device.is_metal() {
-        &candle::Device::Cpu
-    } else {
-        &device
-    };
-    let encodec_vb =
-        unsafe { VarBuilder::from_mmaped_safetensors(&[encodec_weights], dtype, encodec_device)? };
-    let encodec_config = encodec::Config::default();
-    let encodec_model = encodec::Model::new(&encodec_config, encodec_vb)?;
-
-    println!("prompt: '{}'", args.prompt);
-    let prompt_tokens = fs_tokenizer.encode(&args.prompt)?;
-    let mut tokens = prompt_tokens.clone();
-    println!("{tokens:?}");
-    let safetensors_embeddings = args
-        .spk_emb
-        .as_ref()
-        .map_or(true, |v| v.ends_with("safetensors"));
-    let spk_emb = if safetensors_embeddings {
-        let spk_emb_file = match &args.spk_emb {
-            Some(w) => std::path::PathBuf::from(w),
-            None => repo.get("spk_emb.safetensors")?,
-        };
-        let spk_emb = candle::safetensors::load(&spk_emb_file, &candle::Device::Cpu)?;
-        match spk_emb.get("spk_emb") {
-            None => anyhow::bail!("missing spk_emb tensor in {spk_emb_file:?}"),
-            Some(spk_emb) => spk_emb.to_dtype(dtype)?.to_device(&device)?,
-        }
-    } else {
-        let weights = match &args.speaker_encoder_weights {
-            Some(w) => std::path::PathBuf::from(w),
-            None => repo.get("speaker_encoder.safetensors")?,
-        };
-        let mel_filters = mel_filters()?;
-        let config = speaker_encoder::Config::cfg();
-        let vb = unsafe { VarBuilder::from_mmaped_safetensors(&[weights], dtype, &device)? };
-        let model = speaker_encoder::Model::new(config, vb)?;
-        let (pcm, sample_rate) = pcm_decode(&args.spk_emb.unwrap())?;
-        if sample_rate != 16_000 {
-            eprintln!("WARNING: speaker embedding input should use a 16kHz sample rate!")
-        }
-        model.embed_utterance(
-            &pcm,
-            &mel_filters,
-            /* rate */ 1.3,
-            /* min_c */ 0.75,
-            &device,
-        )?
-    };
-    let mut logits_processor = LogitsProcessor::new(args.seed, Some(args.temperature), Some(0.95));
-
-    // First stage generation.
-    for index in 0..args.max_tokens {
-        let context_size = if index > 0 { 1 } else { tokens.len() };
-        let start_pos = tokens.len().saturating_sub(context_size);
-        let ctxt = &tokens[start_pos..];
-        let input = Tensor::new(ctxt, &device)?;
-        let input = Tensor::stack(&[&input, &input], 0)?;
-        let logits = first_stage_model.forward(&input, &spk_emb, tokens.len() - context_size)?;
-        let logits0 = logits.i((0, 0))?;
-        let logits1 = logits.i((1, 0))?;
-        let logits = ((logits0 * args.guidance_scale)? + logits1 * (1. - args.guidance_scale))?;
-        let logits = logits.to_dtype(DType::F32)?;
-        let next_token = logits_processor.sample(&logits)?;
-        tokens.push(next_token);
-        print!(".");
-        std::io::stdout().flush()?;
-        if next_token == 2048 {
-            break;
-        }
-    }
-    println!();
-    let fie2c = adapters::FlattenedInterleavedEncodec2Codebook::new(ENCODEC_NTOKENS);
-    let (text_ids, ids1, ids2) = fie2c.decode(&tokens);
-    println!("text ids len: {}", text_ids.len());
-    let mut rng = rand::rngs::StdRng::seed_from_u64(args.seed + 1337);
-    // TODO: Use the config rather than hardcoding the offset here.
-    let encoded_text: Vec<_> = prompt_tokens.iter().map(|v| v - 1024).collect();
-    let mut hierarchies_in1 =
-        [encoded_text.as_slice(), ids1.as_slice(), &[ENCODEC_NTOKENS]].concat();
-    let mut hierarchies_in2 = [
-        vec![ENCODEC_NTOKENS; encoded_text.len()].as_slice(),
-        ids2.as_slice(),
-        &[ENCODEC_NTOKENS],
-    ]
-    .concat();
-    hierarchies_in1.resize(second_stage_config.block_size, ENCODEC_NTOKENS);
-    hierarchies_in2.resize(second_stage_config.block_size, ENCODEC_NTOKENS);
-    let in_x1 = Tensor::new(hierarchies_in1, &device)?;
-    let in_x2 = Tensor::new(hierarchies_in2, &device)?;
-    let in_x = Tensor::stack(&[in_x1, in_x2], 0)?.unsqueeze(0)?;
-    let logits = second_stage_model.forward(&in_x)?;
-    println!("sampling from logits...");
-    let mut codes = vec![];
-    for logits in logits.iter() {
-        let logits = logits.squeeze(0)?;
-        let (seq_len, _) = logits.dims2()?;
-        let mut codes_ = Vec::with_capacity(seq_len);
-        for step in 0..seq_len {
-            let logits = logits.i(step)?.to_dtype(DType::F32)?;
-            let logits = &(&logits / 1.0)?;
-            let prs = candle_nn::ops::softmax_last_dim(logits)?.to_vec1::<f32>()?;
-            let distr = rand::distributions::WeightedIndex::new(prs.as_slice())?;
-            let sample = distr.sample(&mut rng) as u32;
-            codes_.push(sample)
-        }
-        codes.push(codes_)
-    }
-
-    let codes = Tensor::new(codes, &device)?.unsqueeze(0)?;
-    let codes = Tensor::cat(&[in_x, codes], 1)?;
-    println!("codes: {codes}");
-    let tilted_encodec = adapters::TiltedEncodec::new(ENCODEC_NTOKENS);
-    let codes = codes.i(0)?.to_vec2::<u32>()?;
-    let (text_ids, audio_ids) = tilted_encodec.decode(&codes);
-    println!("text_ids len: {:?}", text_ids.len());
-    let audio_ids = Tensor::new(audio_ids, encodec_device)?.unsqueeze(0)?;
-    println!("audio_ids shape: {:?}", audio_ids.shape());
-    let pcm = encodec_model.decode(&audio_ids)?;
-    println!("output pcm shape: {:?}", pcm.shape());
-    let pcm = pcm.i(0)?.i(0)?.to_dtype(DType::F32)?;
-    let pcm = candle_examples::audio::normalize_loudness(&pcm, 24_000, true)?;
-    let pcm = pcm.to_vec1::<f32>()?;
-    let mut output = std::fs::File::create(&args.out_file)?;
-    candle_examples::wav::write_pcm_as_wav(&mut output, &pcm, 24_000)?;
-    Ok(())
-}

candle-examples/examples/mistral/main.rs

@@ -152,7 +152,7 @@ struct Args {
     seed: u64,
 
     /// The length of the sample to generate (in tokens).
-    #[arg(long, short = 'n', default_value_t = 10000)]
+    #[arg(long, short = 'n', default_value_t = 100)]
     sample_len: usize,
 
     #[arg(long)]

candle-examples/examples/mixtral/main.rs

@@ -143,7 +143,7 @@ struct Args {
     seed: u64,
 
     /// The length of the sample to generate (in tokens).
-    #[arg(long, short = 'n', default_value_t = 10000)]
+    #[arg(long, short = 'n', default_value_t = 100)]
     sample_len: usize,
 
     #[arg(long, default_value = "mistralai/Mixtral-8x7B-v0.1")]

candle-examples/examples/musicgen/encodec_model.rs

@@ -0,0 +1,580 @@
+use crate::nn::conv1d_weight_norm;
+use candle::{DType, IndexOp, Module, Result, Tensor};
+use candle_nn::{conv1d, Conv1d, Conv1dConfig, VarBuilder};
+
+// Encodec Model
+// https://github.com/huggingface/transformers/blob/main/src/transformers/models/encodec/modeling_encodec.py
+
+#[derive(Debug, Clone, PartialEq)]
+enum NormType {
+    WeightNorm,
+    TimeGroupNorm,
+    None,
+}
+
+#[derive(Debug, Clone, PartialEq)]
+pub struct Config {
+    target_bandwidths: Vec<f64>,
+    sampling_rate: usize,
+    audio_channels: usize,
+    normalize: bool,
+    chunk_length_s: Option<usize>,
+    overlap: Option<usize>,
+    hidden_size: usize,
+    num_filters: usize,
+    num_residual_layers: usize,
+    upsampling_ratios: Vec<usize>,
+    norm_type: NormType,
+    kernel_size: usize,
+    last_kernel_size: usize,
+    residual_kernel_size: usize,
+    dilation_growth_rate: usize,
+    use_causal_conv: bool,
+    pad_mode: &'static str,
+    compress: usize,
+    num_lstm_layers: usize,
+    trim_right_ratio: f64,
+    codebook_size: usize,
+    codebook_dim: Option<usize>,
+    use_conv_shortcut: bool,
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            target_bandwidths: vec![1.5, 3.0, 6.0, 12.0, 24.0],
+            sampling_rate: 24_000,
+            audio_channels: 1,
+            normalize: false,
+            chunk_length_s: None,
+            overlap: None,
+            hidden_size: 128,
+            num_filters: 32,
+            num_residual_layers: 1,
+            upsampling_ratios: vec![8, 5, 4, 2],
+            norm_type: NormType::WeightNorm,
+            kernel_size: 7,
+            last_kernel_size: 7,
+            residual_kernel_size: 3,
+            dilation_growth_rate: 2,
+            use_causal_conv: true,
+            pad_mode: "reflect",
+            compress: 2,
+            num_lstm_layers: 2,
+            trim_right_ratio: 1.0,
+            codebook_size: 1024,
+            codebook_dim: None,
+            use_conv_shortcut: true,
+        }
+    }
+}
+
+impl Config {
+    // https://huggingface.co/facebook/musicgen-small/blob/495da4ad086b3416a27c6187f9239f9fd96f3962/config.json#L6
+    pub fn musicgen_small() -> Self {
+        Self {
+            audio_channels: 1,
+            chunk_length_s: None,
+            codebook_dim: Some(128),
+            codebook_size: 2048,
+            compress: 2,
+            dilation_growth_rate: 2,
+            hidden_size: 128,
+            kernel_size: 7,
+            last_kernel_size: 7,
+            norm_type: NormType::WeightNorm,
+            normalize: false,
+            num_filters: 64,
+            num_lstm_layers: 2,
+            num_residual_layers: 1,
+            overlap: None,
+            pad_mode: "reflect",
+            residual_kernel_size: 3,
+            sampling_rate: 32_000,
+            target_bandwidths: vec![2.2],
+            trim_right_ratio: 1.0,
+            upsampling_ratios: vec![8, 5, 4, 4],
+            use_causal_conv: false,
+            use_conv_shortcut: false,
+        }
+    }
+
+    fn codebook_dim(&self) -> usize {
+        self.codebook_dim.unwrap_or(self.codebook_size)
+    }
+
+    fn frame_rate(&self) -> usize {
+        let hop_length: usize = self.upsampling_ratios.iter().product();
+        (self.sampling_rate + hop_length - 1) / hop_length
+    }
+
+    fn num_quantizers(&self) -> usize {
+        let num = 1000f64
+            * self
+                .target_bandwidths
+                .last()
+                .expect("empty target_bandwidths");
+        (num as usize) / (self.frame_rate() * 10)
+    }
+}
+
+// https://github.com/huggingface/transformers/blob/abaca9f9432a84cfaa95531de4c72334f38a42f2/src/transformers/models/encodec/modeling_encodec.py#L340
+#[derive(Debug)]
+struct EncodecEuclideanCodebook {
+    inited: Tensor,
+    cluster_size: Tensor,
+    embed: Tensor,
+    embed_avg: Tensor,
+}
+
+impl EncodecEuclideanCodebook {
+    fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
+        let inited = vb.get(1, "inited")?;
+        let cluster_size = vb.get(cfg.codebook_size, "cluster_size")?;
+        let e_shape = (cfg.codebook_size, cfg.codebook_dim());
+        let embed = vb.get(e_shape, "embed")?;
+        let embed_avg = vb.get(e_shape, "embed_avg")?;
+        Ok(Self {
+            inited,
+            cluster_size,
+            embed,
+            embed_avg,
+        })
+    }
+
+    fn decode(&self, embed_ind: &Tensor) -> Result<Tensor> {
+        let quantize = self.embed.embedding(embed_ind)?;
+        Ok(quantize)
+    }
+}
+
+#[derive(Debug)]
+struct EncodecVectorQuantization {
+    codebook: EncodecEuclideanCodebook,
+}
+
+impl EncodecVectorQuantization {
+    fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
+        let codebook = EncodecEuclideanCodebook::load(vb.pp("codebook"), cfg)?;
+        Ok(Self { codebook })
+    }
+
+    fn decode(&self, embed_ind: &Tensor) -> Result<Tensor> {
+        let quantize = self.codebook.decode(embed_ind)?;
+        let quantize = quantize.transpose(1, 2)?;
+        Ok(quantize)
+    }
+}
+
+#[derive(Debug)]
+struct EncodecResidualVectorQuantizer {
+    layers: Vec<EncodecVectorQuantization>,
+}
+
+impl EncodecResidualVectorQuantizer {
+    fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
+        let vb = &vb.pp("layers");
+        let layers = (0..cfg.num_quantizers())
+            .map(|i| EncodecVectorQuantization::load(vb.pp(&i.to_string()), cfg))
+            .collect::<Result<Vec<_>>>()?;
+        Ok(Self { layers })
+    }
+
+    fn decode(&self, codes: &Tensor) -> Result<Tensor> {
+        let mut quantized_out = Tensor::zeros((), DType::F32, codes.device())?;
+        if codes.dim(0)? != self.layers.len() {
+            candle::bail!(
+                "codes shape {:?} does not match the number of quantization layers {}",
+                codes.shape(),
+                self.layers.len()
+            )
+        }
+        for (i, layer) in self.layers.iter().enumerate() {
+            let quantized = layer.decode(&codes.i(i)?)?;
+            quantized_out = quantized.broadcast_add(&quantized_out)?;
+        }
+        Ok(quantized_out)
+    }
+}
+
+// https://github.com/huggingface/transformers/blob/abaca9f9432a84cfaa95531de4c72334f38a42f2/src/transformers/models/encodec/modeling_encodec.py#L226
+#[derive(Debug)]
+struct EncodecLSTM {
+    layers: Vec<candle_nn::LSTM>,
+}
+
+impl EncodecLSTM {
+    fn load(dim: usize, vb: VarBuilder, cfg: &Config) -> Result<Self> {
+        let vb = &vb.pp("lstm");
+        let mut layers = vec![];
+        for layer_idx in 0..cfg.num_lstm_layers {
+            let config = candle_nn::LSTMConfig {
+                layer_idx,
+                ..Default::default()
+            };
+            let lstm = candle_nn::lstm(dim, dim, config, vb.clone())?;
+            layers.push(lstm)
+        }
+        Ok(Self { layers })
+    }
+}
+
+impl Module for EncodecLSTM {
+    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
+        use candle_nn::RNN;
+        let mut xs = xs.clone();
+        for layer in self.layers.iter() {
+            let states = layer.seq(&xs)?;
+            xs = layer.states_to_tensor(&states)?;
+        }
+        Ok(xs)
+    }
+}
+
+#[derive(Debug)]
+struct EncodecConvTranspose1d {
+    weight_g: Tensor,
+    weight_v: Tensor,
+    bias: Tensor,
+}
+
+impl EncodecConvTranspose1d {
+    fn load(
+        in_c: usize,
+        out_c: usize,
+        k: usize,
+        _stride: usize,
+        vb: VarBuilder,
+        _cfg: &Config,
+    ) -> Result<Self> {
+        let vb = &vb.pp("conv");
+        let weight_g = vb.get((in_c, 1, 1), "weight_g")?;
+        let weight_v = vb.get((in_c, out_c, k), "weight_v")?;
+        let bias = vb.get(out_c, "bias")?;
+        Ok(Self {
+            weight_g,
+            weight_v,
+            bias,
+        })
+    }
+}
+
+impl Module for EncodecConvTranspose1d {
+    fn forward(&self, _xs: &Tensor) -> Result<Tensor> {
+        todo!()
+    }
+}
+
+#[derive(Debug)]
+struct EncodecConv1d {
+    causal: bool,
+    conv: Conv1d,
+    norm: Option<candle_nn::GroupNorm>,
+}
+
+impl EncodecConv1d {
+    fn load(
+        in_c: usize,
+        out_c: usize,
+        kernel_size: usize,
+        stride: usize,
+        vb: VarBuilder,
+        cfg: &Config,
+    ) -> Result<Self> {
+        let conv = match cfg.norm_type {
+            NormType::WeightNorm => conv1d_weight_norm(
+                in_c,
+                out_c,
+                kernel_size,
+                Conv1dConfig {
+                    padding: 0,
+                    stride,
+                    groups: 1,
+                    dilation: 1,
+                },
+                vb.pp("conv"),
+            )?,
+            NormType::None | NormType::TimeGroupNorm => conv1d(
+                in_c,
+                out_c,
+                kernel_size,
+                Conv1dConfig {
+                    padding: 0,
+                    stride,
+                    groups: 1,
+                    dilation: 1,
+                },
+                vb.pp("conv"),
+            )?,
+        };
+        let norm = match cfg.norm_type {
+            NormType::None | NormType::WeightNorm => None,
+            NormType::TimeGroupNorm => {
+                let gn = candle_nn::group_norm(1, out_c, 1e-5, vb.pp("norm"))?;
+                Some(gn)
+            }
+        };
+        Ok(Self {
+            causal: cfg.use_causal_conv,
+            conv,
+            norm,
+        })
+    }
+}
+
+impl Module for EncodecConv1d {
+    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
+        // TODO: padding, depending on causal.
+        let xs = self.conv.forward(xs)?;
+        match &self.norm {
+            None => Ok(xs),
+            Some(norm) => xs.apply(norm),
+        }
+    }
+}
+
+#[derive(Debug)]
+struct EncodecResnetBlock {
+    block_conv1: EncodecConv1d,
+    block_conv2: EncodecConv1d,
+    shortcut: Option<EncodecConv1d>,
+}
+
+impl EncodecResnetBlock {
+    fn load(dim: usize, dilations: &[usize], vb: VarBuilder, cfg: &Config) -> Result<Self> {
+        let h = dim / cfg.compress;
+        let mut layer = Layer::new(vb.pp("block"));
+        if dilations.len() != 2 {
+            candle::bail!("expected dilations of size 2")
+        }
+        // TODO: Apply dilations!
+        layer.inc();
+        let block_conv1 =
+            EncodecConv1d::load(dim, h, cfg.residual_kernel_size, 1, layer.next(), cfg)?;
+        layer.inc();
+        let block_conv2 = EncodecConv1d::load(h, dim, 1, 1, layer.next(), cfg)?;
+        let shortcut = if cfg.use_conv_shortcut {
+            let conv = EncodecConv1d::load(dim, dim, 1, 1, vb.pp("shortcut"), cfg)?;
+            Some(conv)
+        } else {
+            None
+        };
+        Ok(Self {
+            block_conv1,
+            block_conv2,
+            shortcut,
+        })
+    }
+}
+
+impl Module for EncodecResnetBlock {
+    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
+        let residual = xs.clone();
+        let xs = xs.elu(1.)?;
+        let xs = self.block_conv1.forward(&xs)?;
+        let xs = xs.elu(1.)?;
+        let xs = self.block_conv2.forward(&xs)?;
+        let xs = match &self.shortcut {
+            None => (xs + residual)?,
+            Some(shortcut) => xs.add(&shortcut.forward(&residual)?)?,
+        };
+        Ok(xs)
+    }
+}
+
+struct Layer<'a> {
+    vb: VarBuilder<'a>,
+    cnt: usize,
+}
+
+impl<'a> Layer<'a> {
+    fn new(vb: VarBuilder<'a>) -> Self {
+        Self { vb, cnt: 0 }
+    }
+
+    fn inc(&mut self) {
+        self.cnt += 1;
+    }
+
+    fn next(&mut self) -> VarBuilder {
+        let vb = self.vb.pp(&self.cnt.to_string());
+        self.cnt += 1;
+        vb
+    }
+}
+
+#[derive(Debug)]
+struct EncodecEncoder {
+    init_conv: EncodecConv1d,
+    sampling_layers: Vec<(Vec<EncodecResnetBlock>, EncodecConv1d)>,
+    final_lstm: EncodecLSTM,
+    final_conv: EncodecConv1d,
+}
+
+impl EncodecEncoder {
+    fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
+        let mut layer = Layer::new(vb.pp("layers"));
+        let init_conv = EncodecConv1d::load(
+            cfg.audio_channels,
+            cfg.num_filters,
+            cfg.kernel_size,
+            1,
+            layer.next(),
+            cfg,
+        )?;
+        let mut sampling_layers = vec![];
+        let mut scaling = 1;
+        for &ratio in cfg.upsampling_ratios.iter().rev() {
+            let current_scale = scaling * cfg.num_filters;
+            let mut resnets = vec![];
+            for j in 0..(cfg.num_residual_layers as u32) {
+                let resnet = EncodecResnetBlock::load(
+                    current_scale,
+                    &[cfg.dilation_growth_rate.pow(j), 1],
+                    layer.next(),
+                    cfg,
+                )?;
+                resnets.push(resnet)
+            }
+            layer.inc(); // ELU
+            let conv1d = EncodecConv1d::load(
+                current_scale,
+                current_scale * 2,
+                ratio * 2,
+                ratio,
+                layer.next(),
+                cfg,
+            )?;
+            sampling_layers.push((resnets, conv1d));
+            scaling *= 2;
+        }
+        let final_lstm = EncodecLSTM::load(cfg.num_filters * scaling, layer.next(), cfg)?;
+        layer.inc(); // ELU
+        let final_conv = EncodecConv1d::load(
+            cfg.num_filters * scaling,
+            cfg.hidden_size,
+            cfg.last_kernel_size,
+            1,
+            layer.next(),
+            cfg,
+        )?;
+        Ok(Self {
+            init_conv,
+            sampling_layers,
+            final_conv,
+            final_lstm,
+        })
+    }
+
+    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
+        let mut xs = xs.apply(&self.init_conv)?;
+        for (resnets, conv) in self.sampling_layers.iter() {
+            for resnet in resnets.iter() {
+                xs = xs.apply(resnet)?;
+            }
+            xs = xs.elu(1.0)?.apply(conv)?;
+        }
+        xs.apply(&self.final_lstm)?
+            .elu(1.0)?
+            .apply(&self.final_conv)
+    }
+}
+
+#[derive(Debug)]
+struct EncodecDecoder {
+    init_conv: EncodecConv1d,
+    init_lstm: EncodecLSTM,
+    sampling_layers: Vec<(EncodecConvTranspose1d, Vec<EncodecResnetBlock>)>,
+    final_conv: EncodecConv1d,
+}
+
+impl EncodecDecoder {
+    fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
+        let mut layer = Layer::new(vb.pp("layers"));
+        let mut scaling = usize::pow(2, cfg.upsampling_ratios.len() as u32);
+        let init_conv = EncodecConv1d::load(
+            cfg.hidden_size,
+            cfg.num_filters * scaling,
+            cfg.last_kernel_size,
+            1,
+            layer.next(),
+            cfg,
+        )?;
+        let init_lstm = EncodecLSTM::load(cfg.num_filters * scaling, layer.next(), cfg)?;
+        let mut sampling_layers = vec![];
+        for &ratio in cfg.upsampling_ratios.iter() {
+            let current_scale = scaling * cfg.num_filters;
+            layer.inc(); // ELU
+            let conv1d = EncodecConvTranspose1d::load(
+                current_scale,
+                current_scale / 2,
+                ratio * 2,
+                ratio,
+                layer.next(),
+                cfg,
+            )?;
+            let mut resnets = vec![];
+            for j in 0..(cfg.num_residual_layers as u32) {
+                let resnet = EncodecResnetBlock::load(
+                    current_scale / 2,
+                    &[cfg.dilation_growth_rate.pow(j), 1],
+                    layer.next(),
+                    cfg,
+                )?;
+                resnets.push(resnet)
+            }
+            sampling_layers.push((conv1d, resnets));
+            scaling /= 2;
+        }
+        layer.inc(); // ELU
+        let final_conv = EncodecConv1d::load(
+            cfg.num_filters,
+            cfg.audio_channels,
+            cfg.last_kernel_size,
+            1,
+            layer.next(),
+            cfg,
+        )?;
+        Ok(Self {
+            init_conv,
+            init_lstm,
+            sampling_layers,
+            final_conv,
+        })
+    }
+
+    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
+        let mut xs = xs.apply(&self.init_conv)?.apply(&self.init_lstm)?;
+        for (conv, resnets) in self.sampling_layers.iter() {
+            xs = xs.elu(1.)?.apply(conv)?;
+            for resnet in resnets.iter() {
+                xs = xs.apply(resnet)?
+            }
+        }
+        xs.elu(1.)?.apply(&self.final_conv)
+    }
+}
+
+#[derive(Debug)]
+pub struct EncodecModel {
+    encoder: EncodecEncoder,
+    decoder: EncodecDecoder,
+    quantizer: EncodecResidualVectorQuantizer,
+}
+
+impl EncodecModel {
+    pub fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
+        let encoder = EncodecEncoder::load(vb.pp("encoder"), cfg)?;
+        let decoder = EncodecDecoder::load(vb.pp("decoder"), cfg)?;
+        let quantizer = EncodecResidualVectorQuantizer::load(vb.pp("quantizer"), cfg)?;
+        Ok(Self {
+            encoder,
+            decoder,
+            quantizer,
+        })
+    }
+
+    pub fn forward(&self, _xs: &Tensor) -> Result<Tensor> {
+        todo!()
+    }
+}

candle-examples/examples/musicgen/main.rs

@@ -10,7 +10,9 @@ extern crate intel_mkl_src;
 #[cfg(feature = "accelerate")]
 extern crate accelerate_src;
 
+mod encodec_model;
 mod musicgen_model;
+mod nn;
 
 use musicgen_model::{GenConfig, MusicgenForConditionalGeneration};
 

candle-examples/examples/musicgen/musicgen_model.rs

@@ -1,9 +1,10 @@
+use crate::encodec_model;
 use candle::{DType, Device, Result, Tensor, D};
 use candle_nn::{
     embedding, layer_norm, linear_no_bias, Activation, Embedding, LayerNorm, Linear, Module,
     VarBuilder,
 };
-use candle_transformers::models::{encodec, t5};
+use candle_transformers::models::t5;
 
 // https://github.com/huggingface/transformers/blob/cd4584e3c809bb9e1392ccd3fe38b40daba5519a/src/transformers/models/musicgen/configuration_musicgen.py#L83
 #[derive(Debug, Clone, PartialEq)]
@@ -371,7 +372,7 @@ impl MusicgenForCausalLM {
 #[derive(Debug)]
 pub struct MusicgenForConditionalGeneration {
     pub text_encoder: t5::T5EncoderModel,
-    pub audio_encoder: encodec::Model,
+    pub audio_encoder: crate::encodec_model::EncodecModel,
     pub decoder: MusicgenForCausalLM,
     cfg: GenConfig,
 }
@@ -380,42 +381,15 @@ pub struct MusicgenForConditionalGeneration {
 pub struct GenConfig {
     musicgen: Config,
     t5: t5::Config,
-    encodec: encodec::Config,
+    encodec: crate::encodec_model::Config,
 }
 
 impl GenConfig {
     pub fn small() -> Self {
-        // https://huggingface.co/facebook/musicgen-small/blob/495da4ad086b3416a27c6187f9239f9fd96f3962/config.json#L6
-        let encodec = encodec::Config {
-            audio_channels: 1,
-            chunk_length_s: None,
-            codebook_dim: Some(128),
-            codebook_size: 2048,
-            compress: 2,
-            dilation_growth_rate: 2,
-            hidden_size: 128,
-            kernel_size: 7,
-            last_kernel_size: 7,
-            norm_type: encodec::NormType::WeightNorm,
-            normalize: false,
-            num_filters: 64,
-            num_lstm_layers: 2,
-            num_residual_layers: 1,
-            overlap: None,
-            // This should be Reflect and not Replicate but Reflect does not work yet.
-            pad_mode: encodec::PadMode::Replicate,
-            residual_kernel_size: 3,
-            sampling_rate: 32_000,
-            target_bandwidths: vec![2.2],
-            trim_right_ratio: 1.0,
-            upsampling_ratios: vec![8, 5, 4, 4],
-            use_causal_conv: false,
-            use_conv_shortcut: false,
-        };
         Self {
             musicgen: Config::musicgen_small(),
             t5: t5::Config::musicgen_small(),
-            encodec,
+            encodec: encodec_model::Config::musicgen_small(),
         }
     }
 }
@@ -427,7 +401,8 @@ impl MusicgenForConditionalGeneration {
 
     pub fn load(vb: VarBuilder, cfg: GenConfig) -> Result<Self> {
         let text_encoder = t5::T5EncoderModel::load(vb.pp("text_encoder"), &cfg.t5)?;
-        let audio_encoder = encodec::Model::new(&cfg.encodec, vb.pp("audio_encoder"))?;
+        let audio_encoder =
+            encodec_model::EncodecModel::load(vb.pp("audio_encoder"), &cfg.encodec)?;
         let decoder = MusicgenForCausalLM::load(vb.pp("decoder"), &cfg.musicgen)?;
         Ok(Self {
             text_encoder,

candle-examples/examples/musicgen/nn.rs

@@ -0,0 +1,20 @@
+use candle::Result;
+use candle_nn::{Conv1d, Conv1dConfig, VarBuilder};
+
+// Applies weight norm for inference by recomputing the weight tensor. This
+// does not apply to training.
+// https://pytorch.org/docs/stable/generated/torch.nn.utils.weight_norm.html
+pub fn conv1d_weight_norm(
+    in_c: usize,
+    out_c: usize,
+    kernel_size: usize,
+    config: Conv1dConfig,
+    vb: VarBuilder,
+) -> Result<Conv1d> {
+    let weight_g = vb.get((out_c, 1, 1), "weight_g")?;
+    let weight_v = vb.get((out_c, in_c, kernel_size), "weight_v")?;
+    let norm_v = weight_v.sqr()?.sum_keepdim((1, 2))?.sqrt()?;
+    let weight = weight_v.broadcast_mul(&weight_g)?.broadcast_div(&norm_v)?;
+    let bias = vb.get(out_c, "bias")?;
+    Ok(Conv1d::new(weight, Some(bias), config))
+}

candle-examples/examples/quantized/main.rs

@@ -212,14 +212,6 @@ struct Args {
     #[arg(long)]
     verbose_prompt: bool,
 
-    /// Process prompt elements separately.
-    #[arg(long)]
-    split_prompt: bool,
-
-    /// Run on CPU rather than GPU even if a GPU is available.
-    #[arg(long)]
-    cpu: bool,
-
     /// Penalty to be applied for repeating tokens, 1. means no penalty.
     #[arg(long, default_value_t = 1.1)]
     repeat_penalty: f32,
@@ -369,7 +361,7 @@ fn main() -> anyhow::Result<()> {
     let model_path = args.model()?;
     let mut file = std::fs::File::open(&model_path)?;
     let start = std::time::Instant::now();
-    let device = candle_examples::device(args.cpu)?;
+    let device = candle_examples::device(false)?;
 
     let mut model = match model_path.extension().and_then(|v| v.to_str()) {
         Some("gguf") => {
@@ -495,20 +487,11 @@ fn main() -> anyhow::Result<()> {
         let mut logits_processor = LogitsProcessor::new(args.seed, temperature, args.top_p);
 
         let start_prompt_processing = std::time::Instant::now();
-        let mut next_token = if !args.split_prompt {
+        let mut next_token = {
             let input = Tensor::new(prompt_tokens.as_slice(), &device)?.unsqueeze(0)?;
             let logits = model.forward(&input, 0)?;
             let logits = logits.squeeze(0)?;
             logits_processor.sample(&logits)?
-        } else {
-            let mut next_token = 0;
-            for (pos, token) in prompt_tokens.iter().enumerate() {
-                let input = Tensor::new(&[*token], &device)?.unsqueeze(0)?;
-                let logits = model.forward(&input, pos)?;
-                let logits = logits.squeeze(0)?;
-                next_token = logits_processor.sample(&logits)?
-            }
-            next_token
         };
         let prompt_dt = start_prompt_processing.elapsed();
         all_tokens.push(next_token);

candle-examples/examples/rwkv/README.md

@@ -2,8 +2,8 @@
 
 The [RWKV model](https://wiki.rwkv.com/) is a recurrent neural network model
 with performance on par with transformer architectures. Several variants are
-available, candle implements the v5 and v6 versions and can be used with
-Eagle 7B([blog post](https://blog.rwkv.com/p/eagle-7b-soaring-past-transformers)).
+available, candle implements the v5 version and can be used with Eagle 7B([blog
+post](https://blog.rwkv.com/p/eagle-7b-soaring-past-transformers)).
 
 ```bash
 $ cargo run --example rwkv --release -- --prompt "The smallest prime is "

candle-examples/examples/rwkv/main.rs

@@ -7,36 +7,13 @@ extern crate accelerate_src;
 use anyhow::Result;
 use clap::{Parser, ValueEnum};
 
-use candle_transformers::models::quantized_rwkv_v5::Model as Q5;
-use candle_transformers::models::quantized_rwkv_v6::Model as Q6;
-use candle_transformers::models::rwkv_v5::{Config, Model as M5, State, Tokenizer};
-use candle_transformers::models::rwkv_v6::Model as M6;
+use candle_transformers::models::rwkv_v5::{Config, Model, State, Tokenizer};
 
 use candle::{DType, Device, Tensor};
 use candle_nn::VarBuilder;
 use candle_transformers::generation::LogitsProcessor;
 use hf_hub::{api::sync::Api, Repo, RepoType};
 
-const EOS_TOKEN_ID: u32 = 261;
-
-enum Model {
-    M5(M5),
-    Q5(Q5),
-    M6(M6),
-    Q6(Q6),
-}
-
-impl Model {
-    fn forward(&self, xs: &Tensor, state: &mut State) -> candle::Result<Tensor> {
-        match self {
-            Self::M5(m) => m.forward(xs, state),
-            Self::Q5(m) => m.forward(xs, state),
-            Self::M6(m) => m.forward(xs, state),
-            Self::Q6(m) => m.forward(xs, state),
-        }
-    }
-}
-
 struct TextGeneration {
     model: Model,
     config: Config,
@@ -106,9 +83,6 @@ impl TextGeneration {
             let next_token = self.logits_processor.sample(&logits)?;
             tokens.push(next_token);
             generated_tokens += 1;
-            if next_token == EOS_TOKEN_ID || next_token == 0 {
-                break;
-            }
             print!("{}", self.tokenizer.decode(&[next_token])?);
             std::io::stdout().flush()?;
 
@@ -129,7 +103,6 @@ enum Which {
     Eagle7b,
     World1b5,
     World3b,
-    World6_1b6,
 }
 
 impl std::fmt::Display for Which {
@@ -144,7 +117,6 @@ impl Which {
             Self::Eagle7b => "RWKV/HF_v5-Eagle-7B",
             Self::World1b5 => "RWKV/rwkv-5-world-1b5",
             Self::World3b => "RWKV/rwkv-5-world-3b",
-            Self::World6_1b6 => "paperfun/rwkv",
         }
     }
 
@@ -152,7 +124,6 @@ impl Which {
         match self {
             Self::Eagle7b => "refs/pr/1",
             Self::World1b5 | Self::World3b => "refs/pr/2",
-            Self::World6_1b6 => "main",
         }
     }
 }
@@ -205,9 +176,6 @@ struct Args {
     #[arg(long)]
     config_file: Option<String>,
 
-    #[arg(long)]
-    quantized: bool,
-
     /// Penalty to be applied for repeating tokens, 1. means no penalty.
     #[arg(long, default_value_t = 1.1)]
     repeat_penalty: f32,
@@ -268,27 +236,7 @@ fn main() -> Result<()> {
             .map(std::path::PathBuf::from)
             .collect::<Vec<_>>(),
         None => {
-            if args.quantized {
-                vec![match args.which {
-                    Which::World1b5 => api
-                        .model("lmz/candle-rwkv".to_string())
-                        .get("world1b5-q4k.gguf")?,
-                    Which::World3b => api
-                        .model("lmz/candle-rwkv".to_string())
-                        .get("world3b-q4k.gguf")?,
-                    Which::Eagle7b => api
-                        .model("lmz/candle-rwkv".to_string())
-                        .get("eagle7b-q4k.gguf")?,
-                    Which::World6_1b6 => repo.get("rwkv-6-world-1b6-q4k.gguf")?,
-                }]
-            } else {
-                vec![match args.which {
-                    Which::World1b5 | Which::World3b | Which::Eagle7b => {
-                        repo.get("model.safetensors")?
-                    }
-                    Which::World6_1b6 => repo.get("rwkv-6-world-1b6.safetensors")?,
-                }]
-            }
+            vec![repo.get("model.safetensors")?]
         }
     };
     println!("retrieved the files in {:?}", start.elapsed());
@@ -297,21 +245,8 @@ fn main() -> Result<()> {
     let start = std::time::Instant::now();
     let config: Config = serde_json::from_slice(&std::fs::read(config_filename)?)?;
     let device = candle_examples::device(args.cpu)?;
-    let model = if args.quantized {
-        let filename = &filenames[0];
-        let vb =
-            candle_transformers::quantized_var_builder::VarBuilder::from_gguf(filename, &device)?;
-        match args.which {
-            Which::World1b5 | Which::World3b | Which::Eagle7b => Model::Q5(Q5::new(&config, vb)?),
-            Which::World6_1b6 => Model::Q6(Q6::new(&config, vb)?),
-        }
-    } else {
-        let vb = unsafe { VarBuilder::from_mmaped_safetensors(&filenames, DType::F32, &device)? };
-        match args.which {
-            Which::World1b5 | Which::World3b | Which::Eagle7b => Model::M5(M5::new(&config, vb)?),
-            Which::World6_1b6 => Model::M6(M6::new(&config, vb)?),
-        }
-    };
+    let vb = unsafe { VarBuilder::from_mmaped_safetensors(&filenames, DType::F32, &device)? };
+    let model = Model::new(&config, vb)?;
     println!("loaded the model in {:?}", start.elapsed());
 
     let mut pipeline = TextGeneration::new(

candle-examples/examples/segformer/README.md

@@ -1,28 +0,0 @@
-# candle-segformer
-
-- [HuggingFace Segformer Model Card][segformer]
-- [`mit-b0` - An encoder only pretrained model][encoder]
-- [`segformer-b0-finetuned-ade-512-512` - A fine tuned model for segmentation][ade512]
-
-## How to run the example
-
-If you want you can use the example images from this [pull request][pr], download them and supply the path to the image as an argument to the example.
-
-```bash
-# run the image classification task
-cargo run --example segformer classify <path-to-image>
-# run the segmentation task
-cargo run --example segformer segment <path-to-image>
-```
-
-Example output for classification:
-
-```text
-classification logits [3.275261e-5, 0.0008562019, 0.0008868563, 0.9977506, 0.0002465068, 0.0002241473, 2.846596e-6]
-label: hamburger
-```
-
-[pr]: https://github.com/huggingface/candle/pull/1617
-[segformer]: https://huggingface.co/docs/transformers/model_doc/segformer
-[encoder]: https://huggingface.co/nvidia/mit-b0
-[ade512]: https://huggingface.co/nvidia/segformer-b0-finetuned-ade-512-512

candle-examples/examples/segformer/assets/labels.json

@@ -1,752 +0,0 @@
-[
-  {
-    "index": 1,
-    "color": "#787878",
-    "label": "wall"
-  },
-  {
-    "index": 2,
-    "color": "#B47878",
-    "label": "building;edifice"
-  },
-  {
-    "index": 3,
-    "color": "#06E6E6",
-    "label": "sky"
-  },
-  {
-    "index": 4,
-    "color": "#503232",
-    "label": "floor;flooring"
-  },
-  {
-    "index": 5,
-    "color": "#04C803",
-    "label": "tree"
-  },
-  {
-    "index": 6,
-    "color": "#787850",
-    "label": "ceiling"
-  },
-  {
-    "index": 7,
-    "color": "#8C8C8C",
-    "label": "road;route"
-  },
-  {
-    "index": 8,
-    "color": "#CC05FF",
-    "label": "bed"
-  },
-  {
-    "index": 9,
-    "color": "#E6E6E6",
-    "label": "windowpane;window"
-  },
-  {
-    "index": 10,
-    "color": "#04FA07",
-    "label": "grass"
-  },
-  {
-    "index": 11,
-    "color": "#E005FF",
-    "label": "cabinet"
-  },
-  {
-    "index": 12,
-    "color": "#EBFF07",
-    "label": "sidewalk;pavement"
-  },
-  {
-    "index": 13,
-    "color": "#96053D",
-    "label": "person;individual;someone;somebody;mortal;soul"
-  },
-  {
-    "index": 14,
-    "color": "#787846",
-    "label": "earth;ground"
-  },
-  {
-    "index": 15,
-    "color": "#08FF33",
-    "label": "door;double;door"
-  },
-  {
-    "index": 16,
-    "color": "#FF0652",
-    "label": "table"
-  },
-  {
-    "index": 17,
-    "color": "#8FFF8C",
-    "label": "mountain;mount"
-  },
-  {
-    "index": 18,
-    "color": "#CCFF04",
-    "label": "plant;flora;plant;life"
-  },
-  {
-    "index": 19,
-    "color": "#FF3307",
-    "label": "curtain;drape;drapery;mantle;pall"
-  },
-  {
-    "index": 20,
-    "color": "#CC4603",
-    "label": "chair"
-  },
-  {
-    "index": 21,
-    "color": "#0066C8",
-    "label": "car;auto;automobile;machine;motorcar"
-  },
-  {
-    "index": 22,
-    "color": "#3DE6FA",
-    "label": "water"
-  },
-  {
-    "index": 23,
-    "color": "#FF0633",
-    "label": "painting;picture"
-  },
-  {
-    "index": 24,
-    "color": "#0B66FF",
-    "label": "sofa;couch;lounge"
-  },
-  {
-    "index": 25,
-    "color": "#FF0747",
-    "label": "shelf"
-  },
-  {
-    "index": 26,
-    "color": "#FF09E0",
-    "label": "house"
-  },
-  {
-    "index": 27,
-    "color": "#0907E6",
-    "label": "sea"
-  },
-  {
-    "index": 28,
-    "color": "#DCDCDC",
-    "label": "mirror"
-  },
-  {
-    "index": 29,
-    "color": "#FF095C",
-    "label": "rug;carpet;carpeting"
-  },
-  {
-    "index": 30,
-    "color": "#7009FF",
-    "label": "field"
-  },
-  {
-    "index": 31,
-    "color": "#08FFD6",
-    "label": "armchair"
-  },
-  {
-    "index": 32,
-    "color": "#07FFE0",
-    "label": "seat"
-  },
-  {
-    "index": 33,
-    "color": "#FFB806",
-    "label": "fence;fencing"
-  },
-  {
-    "index": 34,
-    "color": "#0AFF47",
-    "label": "desk"
-  },
-  {
-    "index": 35,
-    "color": "#FF290A",
-    "label": "rock;stone"
-  },
-  {
-    "index": 36,
-    "color": "#07FFFF",
-    "label": "wardrobe;closet;press"
-  },
-  {
-    "index": 37,
-    "color": "#E0FF08",
-    "label": "lamp"
-  },
-  {
-    "index": 38,
-    "color": "#6608FF",
-    "label": "bathtub;bathing;tub;bath;tub"
-  },
-  {
-    "index": 39,
-    "color": "#FF3D06",
-    "label": "railing;rail"
-  },
-  {
-    "index": 40,
-    "color": "#FFC207",
-    "label": "cushion"
-  },
-  {
-    "index": 41,
-    "color": "#FF7A08",
-    "label": "base;pedestal;stand"
-  },
-  {
-    "index": 42,
-    "color": "#00FF14",
-    "label": "box"
-  },
-  {
-    "index": 43,
-    "color": "#FF0829",
-    "label": "column;pillar"
-  },
-  {
-    "index": 44,
-    "color": "#FF0599",
-    "label": "signboard;sign"
-  },
-  {
-    "index": 45,
-    "color": "#0633FF",
-    "label": "chest;of;drawers;chest;bureau;dresser"
-  },
-  {
-    "index": 46,
-    "color": "#EB0CFF",
-    "label": "counter"
-  },
-  {
-    "index": 47,
-    "color": "#A09614",
-    "label": "sand"
-  },
-  {
-    "index": 48,
-    "color": "#00A3FF",
-    "label": "sink"
-  },
-  {
-    "index": 49,
-    "color": "#8C8C8C",
-    "label": "skyscraper"
-  },
-  {
-    "index": 50,
-    "color": "#FA0A0F",
-    "label": "fireplace;hearth;open;fireplace"
-  },
-  {
-    "index": 51,
-    "color": "#14FF00",
-    "label": "refrigerator;icebox"
-  },
-  {
-    "index": 52,
-    "color": "#1FFF00",
-    "label": "grandstand;covered;stand"
-  },
-  {
-    "index": 53,
-    "color": "#FF1F00",
-    "label": "path"
-  },
-  {
-    "index": 54,
-    "color": "#FFE000",
-    "label": "stairs;steps"
-  },
-  {
-    "index": 55,
-    "color": "#99FF00",
-    "label": "runway"
-  },
-  {
-    "index": 56,
-    "color": "#0000FF",
-    "label": "case;display;case;showcase;vitrine"
-  },
-  {
-    "index": 57,
-    "color": "#FF4700",
-    "label": "pool;table;billiard;table;snooker;table"
-  },
-  {
-    "index": 58,
-    "color": "#00EBFF",
-    "label": "pillow"
-  },
-  {
-    "index": 59,
-    "color": "#00ADFF",
-    "label": "screen;door;screen"
-  },
-  {
-    "index": 60,
-    "color": "#1F00FF",
-    "label": "stairway;staircase"
-  },
-  {
-    "index": 61,
-    "color": "#0BC8C8",
-    "label": "river"
-  },
-  {
-    "index": 62,
-    "color": "#FF5200",
-    "label": "bridge;span"
-  },
-  {
-    "index": 63,
-    "color": "#00FFF5",
-    "label": "bookcase"
-  },
-  {
-    "index": 64,
-    "color": "#003DFF",
-    "label": "blind;screen"
-  },
-  {
-    "index": 65,
-    "color": "#00FF70",
-    "label": "coffee;table;cocktail;table"
-  },
-  {
-    "index": 66,
-    "color": "#00FF85",
-    "label": "toilet;can;commode;crapper;pot;potty;stool;throne"
-  },
-  {
-    "index": 67,
-    "color": "#FF0000",
-    "label": "flower"
-  },
-  {
-    "index": 68,
-    "color": "#FFA300",
-    "label": "book"
-  },
-  {
-    "index": 69,
-    "color": "#FF6600",
-    "label": "hill"
-  },
-  {
-    "index": 70,
-    "color": "#C2FF00",
-    "label": "bench"
-  },
-  {
-    "index": 71,
-    "color": "#008FFF",
-    "label": "countertop"
-  },
-  {
-    "index": 72,
-    "color": "#33FF00",
-    "label": "stove;kitchen;stove;range;kitchen;range;cooking;stove"
-  },
-  {
-    "index": 73,
-    "color": "#0052FF",
-    "label": "palm;palm;tree"
-  },
-  {
-    "index": 74,
-    "color": "#00FF29",
-    "label": "kitchen;island"
-  },
-  {
-    "index": 75,
-    "color": "#00FFAD",
-    "label": "computer;computing;machine;computing;device;data;processor;electronic;computer;information;processing;system"
-  },
-  {
-    "index": 76,
-    "color": "#0A00FF",
-    "label": "swivel;chair"
-  },
-  {
-    "index": 77,
-    "color": "#ADFF00",
-    "label": "boat"
-  },
-  {
-    "index": 78,
-    "color": "#00FF99",
-    "label": "bar"
-  },
-  {
-    "index": 79,
-    "color": "#FF5C00",
-    "label": "arcade;machine"
-  },
-  {
-    "index": 80,
-    "color": "#FF00FF",
-    "label": "hovel;hut;hutch;shack;shanty"
-  },
-  {
-    "index": 81,
-    "color": "#FF00F5",
-    "label": "bus;autobus;coach;charabanc;double-decker;jitney;motorbus;motorcoach;omnibus;passenger;vehicle"
-  },
-  {
-    "index": 82,
-    "color": "#FF0066",
-    "label": "towel"
-  },
-  {
-    "index": 83,
-    "color": "#FFAD00",
-    "label": "light;light;source"
-  },
-  {
-    "index": 84,
-    "color": "#FF0014",
-    "label": "truck;motortruck"
-  },
-  {
-    "index": 85,
-    "color": "#FFB8B8",
-    "label": "tower"
-  },
-  {
-    "index": 86,
-    "color": "#001FFF",
-    "label": "chandelier;pendant;pendent"
-  },
-  {
-    "index": 87,
-    "color": "#00FF3D",
-    "label": "awning;sunshade;sunblind"
-  },
-  {
-    "index": 88,
-    "color": "#0047FF",
-    "label": "streetlight;street;lamp"
-  },
-  {
-    "index": 89,
-    "color": "#FF00CC",
-    "label": "booth;cubicle;stall;kiosk"
-  },
-  {
-    "index": 90,
-    "color": "#00FFC2",
-    "label": "television;television;receiver;television;set;tv;tv;set;idiot;box;boob;tube;telly;goggle;box"
-  },
-  {
-    "index": 91,
-    "color": "#00FF52",
-    "label": "airplane;aeroplane;plane"
-  },
-  {
-    "index": 92,
-    "color": "#000AFF",
-    "label": "dirt;track"
-  },
-  {
-    "index": 93,
-    "color": "#0070FF",
-    "label": "apparel;wearing;apparel;dress;clothes"
-  },
-  {
-    "index": 94,
-    "color": "#3300FF",
-    "label": "pole"
-  },
-  {
-    "index": 95,
-    "color": "#00C2FF",
-    "label": "land;ground;soil"
-  },
-  {
-    "index": 96,
-    "color": "#007AFF",
-    "label": "bannister;banister;balustrade;balusters;handrail"
-  },
-  {
-    "index": 97,
-    "color": "#00FFA3",
-    "label": "escalator;moving;staircase;moving;stairway"
-  },
-  {
-    "index": 98,
-    "color": "#FF9900",
-    "label": "ottoman;pouf;pouffe;puff;hassock"
-  },
-  {
-    "index": 99,
-    "color": "#00FF0A",
-    "label": "bottle"
-  },
-  {
-    "index": 100,
-    "color": "#FF7000",
-    "label": "buffet;counter;sideboard"
-  },
-  {
-    "index": 101,
-    "color": "#8FFF00",
-    "label": "poster;posting;placard;notice;bill;card"
-  },
-  {
-    "index": 102,
-    "color": "#5200FF",
-    "label": "stage"
-  },
-  {
-    "index": 103,
-    "color": "#A3FF00",
-    "label": "van"
-  },
-  {
-    "index": 104,
-    "color": "#FFEB00",
-    "label": "ship"
-  },
-  {
-    "index": 105,
-    "color": "#08B8AA",
-    "label": "fountain"
-  },
-  {
-    "index": 106,
-    "color": "#8500FF",
-    "label": "conveyer;belt;conveyor;belt;conveyer;conveyor;transporter"
-  },
-  {
-    "index": 107,
-    "color": "#00FF5C",
-    "label": "canopy"
-  },
-  {
-    "index": 108,
-    "color": "#B800FF",
-    "label": "washer;automatic;washer;washing;machine"
-  },
-  {
-    "index": 109,
-    "color": "#FF001F",
-    "label": "plaything;toy"
-  },
-  {
-    "index": 110,
-    "color": "#00B8FF",
-    "label": "swimming;pool;swimming;bath;natatorium"
-  },
-  {
-    "index": 111,
-    "color": "#00D6FF",
-    "label": "stool"
-  },
-  {
-    "index": 112,
-    "color": "#FF0070",
-    "label": "barrel;cask"
-  },
-  {
-    "index": 113,
-    "color": "#5CFF00",
-    "label": "basket;handbasket"
-  },
-  {
-    "index": 114,
-    "color": "#00E0FF",
-    "label": "waterfall;falls"
-  },
-  {
-    "index": 115,
-    "color": "#70E0FF",
-    "label": "tent;collapsible;shelter"
-  },
-  {
-    "index": 116,
-    "color": "#46B8A0",
-    "label": "bag"
-  },
-  {
-    "index": 117,
-    "color": "#A300FF",
-    "label": "minibike;motorbike"
-  },
-  {
-    "index": 118,
-    "color": "#9900FF",
-    "label": "cradle"
-  },
-  {
-    "index": 119,
-    "color": "#47FF00",
-    "label": "oven"
-  },
-  {
-    "index": 120,
-    "color": "#FF00A3",
-    "label": "ball"
-  },
-  {
-    "index": 121,
-    "color": "#FFCC00",
-    "label": "food;solid;food"
-  },
-  {
-    "index": 122,
-    "color": "#FF008F",
-    "label": "step;stair"
-  },
-  {
-    "index": 123,
-    "color": "#00FFEB",
-    "label": "tank;storage;tank"
-  },
-  {
-    "index": 124,
-    "color": "#85FF00",
-    "label": "trade;name;brand;name;brand;marque"
-  },
-  {
-    "index": 125,
-    "color": "#FF00EB",
-    "label": "microwave;microwave;oven"
-  },
-  {
-    "index": 126,
-    "color": "#F500FF",
-    "label": "pot;flowerpot"
-  },
-  {
-    "index": 127,
-    "color": "#FF007A",
-    "label": "animal;animate;being;beast;brute;creature;fauna"
-  },
-  {
-    "index": 128,
-    "color": "#FFF500",
-    "label": "bicycle;bike;wheel;cycle"
-  },
-  {
-    "index": 129,
-    "color": "#0ABED4",
-    "label": "lake"
-  },
-  {
-    "index": 130,
-    "color": "#D6FF00",
-    "label": "dishwasher;dish;washer;dishwashing;machine"
-  },
-  {
-    "index": 131,
-    "color": "#00CCFF",
-    "label": "screen;silver;screen;projection;screen"
-  },
-  {
-    "index": 132,
-    "color": "#1400FF",
-    "label": "blanket;cover"
-  },
-  {
-    "index": 133,
-    "color": "#FFFF00",
-    "label": "sculpture"
-  },
-  {
-    "index": 134,
-    "color": "#0099FF",
-    "label": "hood;exhaust;hood"
-  },
-  {
-    "index": 135,
-    "color": "#0029FF",
-    "label": "sconce"
-  },
-  {
-    "index": 136,
-    "color": "#00FFCC",
-    "label": "vase"
-  },
-  {
-    "index": 137,
-    "color": "#2900FF",
-    "label": "traffic;light;traffic;signal;stoplight"
-  },
-  {
-    "index": 138,
-    "color": "#29FF00",
-    "label": "tray"
-  },
-  {
-    "index": 139,
-    "color": "#AD00FF",
-    "label": "ashcan;trash;can;garbage;can;wastebin;ash;bin;ash-bin;ashbin;dustbin;trash;barrel;trash;bin"
-  },
-  {
-    "index": 140,
-    "color": "#00F5FF",
-    "label": "fan"
-  },
-  {
-    "index": 141,
-    "color": "#4700FF",
-    "label": "pier;wharf;wharfage;dock"
-  },
-  {
-    "index": 142,
-    "color": "#7A00FF",
-    "label": "crt;screen"
-  },
-  {
-    "index": 143,
-    "color": "#00FFB8",
-    "label": "plate"
-  },
-  {
-    "index": 144,
-    "color": "#005CFF",
-    "label": "monitor;monitoring;device"
-  },
-  {
-    "index": 145,
-    "color": "#B8FF00",
-    "label": "bulletin;board;notice;board"
-  },
-  {
-    "index": 146,
-    "color": "#0085FF",
-    "label": "shower"
-  },
-  {
-    "index": 147,
-    "color": "#FFD600",
-    "label": "radiator"
-  },
-  {
-    "index": 148,
-    "color": "#19C2C2",
-    "label": "glass;drinking;glass"
-  },
-  {
-    "index": 149,
-    "color": "#66FF00",
-    "label": "clock"
-  },
-  {
-    "index": 150,
-    "color": "#5C00FF",
-    "label": "flag"
-  }
-]

candle-examples/examples/segformer/main.rs

@@ -1,155 +0,0 @@
-use candle::Device;
-use candle::Module;
-use candle_nn::VarBuilder;
-use candle_transformers::models::segformer::{
-    Config, ImageClassificationModel, SemanticSegmentationModel,
-};
-use clap::{Args, Parser, Subcommand};
-use image::Rgb;
-use imageproc::integral_image::ArrayData;
-use std::collections::HashMap;
-use std::path::PathBuf;
-
-#[derive(Parser)]
-#[clap(about, version, long_about = None)]
-struct CliArgs {
-    #[arg(long, help = "use cpu")]
-    cpu: bool,
-    #[command(subcommand)]
-    command: Commands,
-}
-#[derive(Args, Debug)]
-struct SegmentationArgs {
-    #[arg(
-        long,
-        help = "name of the huggingface hub model",
-        default_value = "nvidia/segformer-b0-finetuned-ade-512-512"
-    )]
-    model_name: String,
-    #[arg(
-        long,
-        help = "path to the label file in json format",
-        default_value = "candle-examples/examples/segformer/assets/labels.json"
-    )]
-    label_path: PathBuf,
-    #[arg(long, help = "path to for the output mask image")]
-    output_path: PathBuf,
-    #[arg(help = "path to image as input")]
-    image: PathBuf,
-}
-
-#[derive(Args, Debug)]
-struct ClassificationArgs {
-    #[arg(
-        long,
-        help = "name of the huggingface hub model",
-        default_value = "paolinox/segformer-finetuned-food101"
-    )]
-    model_name: String,
-    #[arg(help = "path to image as input")]
-    image: PathBuf,
-}
-
-#[derive(Subcommand, Debug)]
-enum Commands {
-    Segment(SegmentationArgs),
-    Classify(ClassificationArgs),
-}
-
-fn get_vb_and_config(model_name: String, device: &Device) -> anyhow::Result<(VarBuilder, Config)> {
-    println!("loading model {} via huggingface hub", model_name);
-    let api = hf_hub::api::sync::Api::new()?;
-    let api = api.model(model_name.clone());
-    let model_file = api.get("model.safetensors")?;
-    println!("model {} downloaded and loaded", model_name);
-    let vb =
-        unsafe { VarBuilder::from_mmaped_safetensors(&[model_file], candle::DType::F32, device)? };
-    let config = std::fs::read_to_string(api.get("config.json")?)?;
-    let config: Config = serde_json::from_str(&config)?;
-    println!("{:?}", config);
-    Ok((vb, config))
-}
-
-#[derive(Debug, serde::Deserialize)]
-struct LabelItem {
-    index: u32,
-    color: String,
-}
-
-fn segmentation_task(args: SegmentationArgs, device: &Device) -> anyhow::Result<()> {
-    let label_file = std::fs::read_to_string(&args.label_path)?;
-    let label_items: Vec<LabelItem> = serde_json::from_str(&label_file)?;
-    let label_colors: HashMap<u32, Rgb<u8>> = label_items
-        .iter()
-        .map(|x| {
-            (x.index - 1, {
-                let color = x.color.trim_start_matches('#');
-                let r = u8::from_str_radix(&color[0..2], 16).unwrap();
-                let g = u8::from_str_radix(&color[2..4], 16).unwrap();
-                let b = u8::from_str_radix(&color[4..6], 16).unwrap();
-                Rgb([r, g, b])
-            })
-        })
-        .collect();
-
-    let image = candle_examples::imagenet::load_image224(args.image)?
-        .unsqueeze(0)?
-        .to_device(device)?;
-    let (vb, config) = get_vb_and_config(args.model_name, device)?;
-    let num_labels = label_items.len();
-
-    let model = SemanticSegmentationModel::new(&config, num_labels, vb)?;
-    let segmentations = model.forward(&image)?;
-
-    // generate a mask image
-    let mask = &segmentations.squeeze(0)?.argmax(0)?;
-    let (h, w) = mask.dims2()?;
-    let mask = mask.flatten_all()?.to_vec1::<u32>()?;
-    let mask = mask
-        .iter()
-        .flat_map(|x| label_colors[x].data())
-        .collect::<Vec<u8>>();
-    let mask: image::ImageBuffer<image::Rgb<u8>, Vec<u8>> =
-        image::ImageBuffer::from_raw(w as u32, h as u32, mask).unwrap();
-    // resize
-    let mask = image::DynamicImage::from(mask);
-    let mask = mask.resize_to_fill(
-        w as u32 * 4,
-        h as u32 * 4,
-        image::imageops::FilterType::CatmullRom,
-    );
-    mask.save(args.output_path.clone())?;
-    println!("mask image saved to {:?}", args.output_path);
-    Ok(())
-}
-
-fn classification_task(args: ClassificationArgs, device: &Device) -> anyhow::Result<()> {
-    let image = candle_examples::imagenet::load_image224(args.image)?
-        .unsqueeze(0)?
-        .to_device(device)?;
-    let (vb, config) = get_vb_and_config(args.model_name, device)?;
-    let num_labels = 7;
-    let model = ImageClassificationModel::new(&config, num_labels, vb)?;
-    let classification = model.forward(&image)?;
-    let classification = candle_nn::ops::softmax_last_dim(&classification)?;
-    let classification = classification.squeeze(0)?;
-    println!(
-        "classification logits {:?}",
-        classification.to_vec1::<f32>()?
-    );
-    let label_id = classification.argmax(0)?.to_scalar::<u32>()?;
-    let label_id = format!("{}", label_id);
-    println!("label: {}", config.id2label[&label_id]);
-    Ok(())
-}
-
-pub fn main() -> anyhow::Result<()> {
-    let args = CliArgs::parse();
-    let device = candle_examples::device(args.cpu)?;
-    if let Commands::Segment(args) = args.command {
-        segmentation_task(args, &device)?
-    } else if let Commands::Classify(args) = args.command {
-        classification_task(args, &device)?
-    }
-    Ok(())
-}

candle-examples/examples/stable-diffusion/README.md

@@ -57,7 +57,7 @@ The downside is some long compilation time. You can set the
 `/home/user/.candle` to ensures that the compilation artifacts are properly
 cached.
 
-Enabling flash-attention requires both a feature flag, `--features flash-attn`
+Enabling flash-attention requires both a feature flag, `--feature flash-attn`
 and using the command line flag `--use-flash-attn`.
 
 Note that flash-attention-v2 is only compatible with Ampere, Ada, or Hopper GPUs

candle-examples/examples/starcoder2/main.rs

@@ -1,253 +0,0 @@
-#[cfg(feature = "mkl")]
-extern crate intel_mkl_src;
-
-#[cfg(feature = "accelerate")]
-extern crate accelerate_src;
-
-use anyhow::{Error as E, Result};
-use clap::Parser;
-
-use candle_transformers::models::starcoder2::Model;
-
-use candle::{DType, Device, Tensor};
-use candle_examples::token_output_stream::TokenOutputStream;
-use candle_nn::VarBuilder;
-use candle_transformers::generation::LogitsProcessor;
-use hf_hub::{api::sync::Api, Repo, RepoType};
-use tokenizers::Tokenizer;
-
-struct TextGeneration {
-    model: Model,
-    device: Device,
-    tokenizer: TokenOutputStream,
-    logits_processor: LogitsProcessor,
-    repeat_penalty: f32,
-    repeat_last_n: usize,
-}
-
-impl TextGeneration {
-    #[allow(clippy::too_many_arguments)]
-    fn new(
-        model: Model,
-        tokenizer: Tokenizer,
-        seed: u64,
-        temp: Option<f64>,
-        top_p: Option<f64>,
-        repeat_penalty: f32,
-        repeat_last_n: usize,
-        device: &Device,
-    ) -> Self {
-        let logits_processor = LogitsProcessor::new(seed, temp, top_p);
-        Self {
-            model,
-            tokenizer: TokenOutputStream::new(tokenizer),
-            logits_processor,
-            repeat_penalty,
-            repeat_last_n,
-            device: device.clone(),
-        }
-    }
-
-    fn run(&mut self, prompt: &str, sample_len: usize) -> Result<()> {
-        use std::io::Write;
-        self.tokenizer.clear();
-        let mut tokens = self
-            .tokenizer
-            .tokenizer()
-            .encode(prompt, true)
-            .map_err(E::msg)?
-            .get_ids()
-            .to_vec();
-        for &t in tokens.iter() {
-            if let Some(t) = self.tokenizer.next_token(t)? {
-                print!("{t}")
-            }
-        }
-        std::io::stdout().flush()?;
-
-        let mut generated_tokens = 0usize;
-        let eos_token = match self.tokenizer.get_token("<|endoftext|>") {
-            Some(token) => token,
-            None => anyhow::bail!("cannot find the <|endoftext|> token"),
-        };
-        let start_gen = std::time::Instant::now();
-        for index in 0..sample_len {
-            let context_size = if index > 0 { 1 } else { tokens.len() };
-            let start_pos = tokens.len().saturating_sub(context_size);
-            let ctxt = &tokens[start_pos..];
-            let input = Tensor::new(ctxt, &self.device)?.unsqueeze(0)?;
-            let logits = self.model.forward(&input, start_pos)?;
-            let logits = logits.squeeze(0)?.squeeze(0)?.to_dtype(DType::F32)?;
-            let logits = if self.repeat_penalty == 1. {
-                logits
-            } else {
-                let start_at = tokens.len().saturating_sub(self.repeat_last_n);
-                candle_transformers::utils::apply_repeat_penalty(
-                    &logits,
-                    self.repeat_penalty,
-                    &tokens[start_at..],
-                )?
-            };
-
-            let next_token = self.logits_processor.sample(&logits)?;
-            tokens.push(next_token);
-            generated_tokens += 1;
-            if next_token == eos_token {
-                break;
-            }
-            if let Some(t) = self.tokenizer.next_token(next_token)? {
-                print!("{t}");
-                std::io::stdout().flush()?;
-            }
-        }
-        let dt = start_gen.elapsed();
-        if let Some(rest) = self.tokenizer.decode_rest().map_err(E::msg)? {
-            print!("{rest}");
-        }
-        std::io::stdout().flush()?;
-        println!(
-            "\n{generated_tokens} tokens generated ({:.2} token/s)",
-            generated_tokens as f64 / dt.as_secs_f64(),
-        );
-        Ok(())
-    }
-}
-
-#[derive(Parser, Debug)]
-#[command(author, version, about, long_about = None)]
-struct Args {
-    /// Run on CPU rather than on GPU.
-    #[arg(long)]
-    cpu: bool,
-
-    /// Enable tracing (generates a trace-timestamp.json file).
-    #[arg(long)]
-    tracing: bool,
-
-    #[arg(long)]
-    use_flash_attn: bool,
-
-    #[arg(long)]
-    prompt: String,
-
-    /// The temperature used to generate samples.
-    #[arg(long)]
-    temperature: Option<f64>,
-
-    /// Nucleus sampling probability cutoff.
-    #[arg(long)]
-    top_p: Option<f64>,
-
-    /// The seed to use when generating random samples.
-    #[arg(long, default_value_t = 299792458)]
-    seed: u64,
-
-    /// The length of the sample to generate (in tokens).
-    #[arg(long, short = 'n', default_value_t = 10000)]
-    sample_len: usize,
-
-    #[arg(long)]
-    model_id: Option<String>,
-
-    #[arg(long, default_value = "main")]
-    revision: String,
-
-    #[arg(long)]
-    config_file: Option<String>,
-
-    #[arg(long)]
-    tokenizer_file: Option<String>,
-
-    #[arg(long)]
-    weight_files: Option<String>,
-
-    /// Penalty to be applied for repeating tokens, 1. means no penalty.
-    #[arg(long, default_value_t = 1.1)]
-    repeat_penalty: f32,
-
-    /// The context size to consider for the repeat penalty.
-    #[arg(long, default_value_t = 64)]
-    repeat_last_n: usize,
-}
-
-fn main() -> Result<()> {
-    use tracing_chrome::ChromeLayerBuilder;
-    use tracing_subscriber::prelude::*;
-
-    let args = Args::parse();
-    let _guard = if args.tracing {
-        let (chrome_layer, guard) = ChromeLayerBuilder::new().build();
-        tracing_subscriber::registry().with(chrome_layer).init();
-        Some(guard)
-    } else {
-        None
-    };
-    println!(
-        "avx: {}, neon: {}, simd128: {}, f16c: {}",
-        candle::utils::with_avx(),
-        candle::utils::with_neon(),
-        candle::utils::with_simd128(),
-        candle::utils::with_f16c()
-    );
-    println!(
-        "temp: {:.2} repeat-penalty: {:.2} repeat-last-n: {}",
-        args.temperature.unwrap_or(0.),
-        args.repeat_penalty,
-        args.repeat_last_n
-    );
-
-    let start = std::time::Instant::now();
-    let api = Api::new()?;
-    let model_id = match args.model_id {
-        Some(model_id) => model_id,
-        None => "bigcode/starcoder2-3b".to_string(),
-    };
-    let repo = api.repo(Repo::with_revision(
-        model_id,
-        RepoType::Model,
-        args.revision,
-    ));
-    let config_file = match args.config_file {
-        Some(file) => std::path::PathBuf::from(file),
-        None => repo.get("config.json")?,
-    };
-    let tokenizer_file = match args.tokenizer_file {
-        Some(file) => std::path::PathBuf::from(file),
-        None => repo.get("tokenizer.json")?,
-    };
-    let filenames = match args.weight_files {
-        Some(files) => files
-            .split(',')
-            .map(std::path::PathBuf::from)
-            .collect::<Vec<_>>(),
-        None => vec![repo.get("model.safetensors")?],
-    };
-    println!("retrieved the files in {:?}", start.elapsed());
-    let tokenizer = Tokenizer::from_file(tokenizer_file).map_err(E::msg)?;
-
-    let start = std::time::Instant::now();
-    let config = serde_json::from_reader(std::fs::File::open(config_file)?)?;
-    let device = candle_examples::device(args.cpu)?;
-    let dtype = if device.is_cuda() {
-        DType::BF16
-    } else {
-        DType::F32
-    };
-    let vb = unsafe { VarBuilder::from_mmaped_safetensors(&filenames, dtype, &device)? };
-    let model = Model::new(&config, vb)?;
-
-    println!("loaded the model in {:?}", start.elapsed());
-
-    let mut pipeline = TextGeneration::new(
-        model,
-        tokenizer,
-        args.seed,
-        args.temperature,
-        args.top_p,
-        args.repeat_penalty,
-        args.repeat_last_n,
-        &device,
-    );
-    pipeline.run(&args.prompt, args.sample_len)?;
-    Ok(())
-}

candle-examples/src/audio.rs

@@ -1,29 +0,0 @@
-use candle::{Result, Tensor};
-
-// https://github.com/facebookresearch/audiocraft/blob/69fea8b290ad1b4b40d28f92d1dfc0ab01dbab85/audiocraft/data/audio_utils.py#L57
-pub fn normalize_loudness(
-    wav: &Tensor,
-    sample_rate: u32,
-    loudness_compressor: bool,
-) -> Result<Tensor> {
-    let energy = wav.sqr()?.mean_all()?.sqrt()?.to_vec0::<f32>()?;
-    if energy < 2e-3 {
-        return Ok(wav.clone());
-    }
-    let wav_array = wav.to_vec1::<f32>()?;
-    let mut meter = crate::bs1770::ChannelLoudnessMeter::new(sample_rate);
-    meter.push(wav_array.into_iter());
-    let power = meter.as_100ms_windows();
-    let loudness = match crate::bs1770::gated_mean(power) {
-        None => return Ok(wav.clone()),
-        Some(gp) => gp.loudness_lkfs() as f64,
-    };
-    let delta_loudness = -14. - loudness;
-    let gain = 10f64.powf(delta_loudness / 20.);
-    let wav = (wav * gain)?;
-    if loudness_compressor {
-        wav.tanh()
-    } else {
-        Ok(wav)
-    }
-}

candle-examples/src/bs1770.rs

@@ -1,506 +0,0 @@
-// Copied from https://github.com/ruuda/bs1770/blob/master/src/lib.rs
-// BS1770 -- Loudness analysis library conforming to ITU-R BS.1770
-// Copyright 2020 Ruud van Asseldonk
-
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// A copy of the License has been included in the root of the repository.
-
-//! Loudness analysis conforming to [ITU-R BS.1770-4][bs17704].
-//!
-//! This library offers the building blocks to perform BS.1770 loudness
-//! measurements, but you need to put the pieces together yourself.
-//!
-//! [bs17704]: https://www.itu.int/rec/R-REC-BS.1770-4-201510-I/en
-//!
-//! # Stereo integrated loudness example
-//!
-//! ```ignore
-//! # fn load_stereo_audio() -> [Vec<i16>; 2] {
-//! #     [vec![0; 48_000], vec![0; 48_000]]
-//! # }
-//! #
-//! let sample_rate_hz = 44_100;
-//! let bits_per_sample = 16;
-//! let channel_samples: [Vec<i16>; 2] = load_stereo_audio();
-//!
-//! // When converting integer samples to float, note that the maximum amplitude
-//! // is `1 << (bits_per_sample - 1)`, one bit is the sign bit.
-//! let normalizer = 1.0 / (1_u64 << (bits_per_sample - 1)) as f32;
-//!
-//! let channel_power: Vec<_> = channel_samples.iter().map(|samples| {
-//!     let mut meter = bs1770::ChannelLoudnessMeter::new(sample_rate_hz);
-//!     meter.push(samples.iter().map(|&s| s as f32 * normalizer));
-//!     meter.into_100ms_windows()
-//! }).collect();
-//!
-//! let stereo_power = bs1770::reduce_stereo(
-//!     channel_power[0].as_ref(),
-//!     channel_power[1].as_ref(),
-//! );
-//!
-//! let gated_power = bs1770::gated_mean(
-//!     stereo_power.as_ref()
-//! ).unwrap_or(bs1770::Power(0.0));
-//! println!("Integrated loudness: {:.1} LUFS", gated_power.loudness_lkfs());
-//! ```
-
-use std::f32;
-
-/// Coefficients for a 2nd-degree infinite impulse response filter.
-///
-/// Coefficient a0 is implicitly 1.0.
-#[derive(Clone)]
-struct Filter {
-    a1: f32,
-    a2: f32,
-    b0: f32,
-    b1: f32,
-    b2: f32,
-
-    // The past two input and output samples.
-    x1: f32,
-    x2: f32,
-    y1: f32,
-    y2: f32,
-}
-
-impl Filter {
-    /// Stage 1 of th BS.1770-4 pre-filter.
-    pub fn high_shelf(sample_rate_hz: f32) -> Filter {
-        // Coefficients taken from https://github.com/csteinmetz1/pyloudnorm/blob/
-        // 6baa64d59b7794bc812e124438692e7fd2e65c0c/pyloudnorm/meter.py#L135-L136.
-        let gain_db = 3.999_843_8;
-        let q = 0.707_175_25;
-        let center_hz = 1_681.974_5;
-
-        // Formula taken from https://github.com/csteinmetz1/pyloudnorm/blob/
-        // 6baa64d59b7794bc812e124438692e7fd2e65c0c/pyloudnorm/iirfilter.py#L134-L143.
-        let k = (f32::consts::PI * center_hz / sample_rate_hz).tan();
-        let vh = 10.0_f32.powf(gain_db / 20.0);
-        let vb = vh.powf(0.499_666_78);
-        let a0 = 1.0 + k / q + k * k;
-        Filter {
-            b0: (vh + vb * k / q + k * k) / a0,
-            b1: 2.0 * (k * k - vh) / a0,
-            b2: (vh - vb * k / q + k * k) / a0,
-            a1: 2.0 * (k * k - 1.0) / a0,
-            a2: (1.0 - k / q + k * k) / a0,
-
-            x1: 0.0,
-            x2: 0.0,
-            y1: 0.0,
-            y2: 0.0,
-        }
-    }
-
-    /// Stage 2 of th BS.1770-4 pre-filter.
-    pub fn high_pass(sample_rate_hz: f32) -> Filter {
-        // Coefficients taken from https://github.com/csteinmetz1/pyloudnorm/blob/
-        // 6baa64d59b7794bc812e124438692e7fd2e65c0c/pyloudnorm/meter.py#L135-L136.
-        let q = 0.500_327_05;
-        let center_hz = 38.135_47;
-
-        // Formula taken from https://github.com/csteinmetz1/pyloudnorm/blob/
-        // 6baa64d59b7794bc812e124438692e7fd2e65c0c/pyloudnorm/iirfilter.py#L145-L151
-        let k = (f32::consts::PI * center_hz / sample_rate_hz).tan();
-        Filter {
-            a1: 2.0 * (k * k - 1.0) / (1.0 + k / q + k * k),
-            a2: (1.0 - k / q + k * k) / (1.0 + k / q + k * k),
-            b0: 1.0,
-            b1: -2.0,
-            b2: 1.0,
-
-            x1: 0.0,
-            x2: 0.0,
-            y1: 0.0,
-            y2: 0.0,
-        }
-    }
-
-    /// Feed the next input sample, get the next output sample.
-    #[inline(always)]
-    pub fn apply(&mut self, x0: f32) -> f32 {
-        let y0 = 0.0 + self.b0 * x0 + self.b1 * self.x1 + self.b2 * self.x2
-            - self.a1 * self.y1
-            - self.a2 * self.y2;
-
-        self.x2 = self.x1;
-        self.x1 = x0;
-        self.y2 = self.y1;
-        self.y1 = y0;
-
-        y0
-    }
-}
-
-/// Compensated sum, for summing many values of different orders of magnitude
-/// accurately.
-#[derive(Copy, Clone, PartialEq)]
-struct Sum {
-    sum: f32,
-    residue: f32,
-}
-
-impl Sum {
-    #[inline(always)]
-    fn zero() -> Sum {
-        Sum {
-            sum: 0.0,
-            residue: 0.0,
-        }
-    }
-
-    #[inline(always)]
-    fn add(&mut self, x: f32) {
-        let sum = self.sum + (self.residue + x);
-        self.residue = (self.residue + x) - (sum - self.sum);
-        self.sum = sum;
-    }
-}
-
-/// The mean of the squares of the K-weighted samples in a window of time.
-///
-/// K-weighted power is equivalent to K-weighted loudness, the only difference
-/// is one of scale: power is quadratic in sample amplitudes, whereas loudness
-/// units are logarithmic. `loudness_lkfs` and `from_lkfs` convert between power,
-/// and K-weighted Loudness Units relative to nominal Full Scale (LKFS).
-///
-/// The term “LKFS” (Loudness Units, K-Weighted, relative to nominal Full Scale)
-/// is used in BS.1770-4 to emphasize K-weighting, but the term is otherwise
-/// interchangeable with the more widespread term “LUFS” (Loudness Units,
-/// relative to Full Scale). Loudness units are related to decibels in the
-/// following sense: boosting a signal that has a loudness of
-/// -<var>L<sub>K</sub></var> LUFS by <var>L<sub>K</sub></var> dB (by
-/// multiplying the amplitude by 10<sup><var>L<sub>K</sub></var>/20</sup>) will
-/// bring the loudness to 0 LUFS.
-///
-/// K-weighting refers to a high-shelf and high-pass filter that model the
-/// effect that humans perceive a certain amount of power in low frequencies to
-/// be less loud than the same amount of power in higher frequencies. In this
-/// library the `Power` type is used exclusively to refer to power after applying K-weighting.
-///
-/// The nominal “full scale” is the range [-1.0, 1.0]. Because the power is the
-/// mean square of the samples, if no input samples exceeded the full scale, the
-/// power will be in the range [0.0, 1.0]. However, the power delivered by
-/// multiple channels, which is a weighted sum over individual channel powers,
-/// can exceed this range, because the weighted sum is not normalized.
-#[derive(Copy, Clone, PartialEq, PartialOrd)]
-pub struct Power(pub f32);
-
-impl Power {
-    /// Convert Loudness Units relative to Full Scale into a squared sample amplitude.
-    ///
-    /// This is the inverse of `loudness_lkfs`.
-    pub fn from_lkfs(lkfs: f32) -> Power {
-        // The inverse of the formula below.
-        Power(10.0_f32.powf((lkfs + 0.691) * 0.1))
-    }
-
-    /// Return the loudness of this window in Loudness Units, K-weighted, relative to Full Scale.
-    ///
-    /// This is the inverse of `from_lkfs`.
-    pub fn loudness_lkfs(&self) -> f32 {
-        // Equation 2 (p.5) of BS.1770-4.
-        -0.691 + 10.0 * self.0.log10()
-    }
-}
-
-/// A `T` value for non-overlapping windows of audio, 100ms in length.
-///
-/// The `ChannelLoudnessMeter` applies K-weighting and then produces the power
-/// for non-overlapping windows of 100ms duration.
-///
-/// These non-overlapping 100ms windows can later be combined into overlapping
-/// windows of 400ms, spaced 100ms apart, to compute instantaneous loudness or
-/// to perform a gated measurement, or they can be combined into even larger
-/// windows for a momentary loudness measurement.
-#[derive(Copy, Clone, Debug)]
-pub struct Windows100ms<T> {
-    pub inner: T,
-}
-
-impl<T> Windows100ms<T> {
-    /// Wrap a new empty vector.
-    pub fn new() -> Windows100ms<Vec<T>> {
-        Windows100ms { inner: Vec::new() }
-    }
-
-    /// Apply `as_ref` to the inner value.
-    pub fn as_ref(&self) -> Windows100ms<&[Power]>
-    where
-        T: AsRef<[Power]>,
-    {
-        Windows100ms {
-            inner: self.inner.as_ref(),
-        }
-    }
-
-    /// Apply `as_mut` to the inner value.
-    pub fn as_mut(&mut self) -> Windows100ms<&mut [Power]>
-    where
-        T: AsMut<[Power]>,
-    {
-        Windows100ms {
-            inner: self.inner.as_mut(),
-        }
-    }
-
-    #[allow(clippy::len_without_is_empty)]
-    /// Apply `len` to the inner value.
-    pub fn len(&self) -> usize
-    where
-        T: AsRef<[Power]>,
-    {
-        self.inner.as_ref().len()
-    }
-}
-
-/// Measures K-weighted power of non-overlapping 100ms windows of a single channel of audio.
-///
-/// # Output
-///
-/// The output of the meter is an intermediate result in the form of power for
-/// 100ms non-overlapping windows. The windows need to be processed further to
-/// get one of the instantaneous, momentary, and integrated loudness
-/// measurements defined in BS.1770.
-///
-/// The windows can also be inspected directly; the data is meaningful
-/// on its own (the K-weighted power delivered in that window of time), but it
-/// is not something that BS.1770 defines a term for.
-///
-/// # Multichannel audio
-///
-/// To perform a loudness measurement of multichannel audio, construct a
-/// `ChannelLoudnessMeter` per channel, and later combine the measured power
-/// with e.g. `reduce_stereo`.
-///
-/// # Instantaneous loudness
-///
-/// The instantaneous loudness is the power over a 400ms window, so you can
-/// average four 100ms windows. No special functionality is implemented to help
-/// with that at this time. ([Pull requests would be accepted.][contribute])
-///
-/// # Momentary loudness
-///
-/// The momentary loudness is the power over a 3-second window, so you can
-/// average thirty 100ms windows. No special functionality is implemented to
-/// help with that at this time. ([Pull requests would be accepted.][contribute])
-///
-/// # Integrated loudness
-///
-/// Use `gated_mean` to perform an integrated loudness measurement:
-///
-/// ```ignore
-/// # use std::iter;
-/// # use bs1770::{ChannelLoudnessMeter, gated_mean};
-/// # let sample_rate_hz = 44_100;
-/// # let samples_per_100ms = sample_rate_hz / 10;
-/// # let mut meter = ChannelLoudnessMeter::new(sample_rate_hz);
-/// # meter.push((0..44_100).map(|i| (i as f32 * 0.01).sin()));
-/// let integrated_loudness_lkfs = gated_mean(meter.as_100ms_windows())
-///     .unwrap_or(bs1770::Power(0.0))
-///     .loudness_lkfs();
-/// ```
-///
-/// [contribute]: https://github.com/ruuda/bs1770/blob/master/CONTRIBUTING.md
-#[derive(Clone)]
-pub struct ChannelLoudnessMeter {
-    /// The number of samples that fit in 100ms of audio.
-    samples_per_100ms: u32,
-
-    /// Stage 1 filter (head effects, high shelf).
-    filter_stage1: Filter,
-
-    /// Stage 2 filter (high-pass).
-    filter_stage2: Filter,
-
-    /// Sum of the squares over non-overlapping windows of 100ms.
-    windows: Windows100ms<Vec<Power>>,
-
-    /// The number of samples in the current unfinished window.
-    count: u32,
-
-    /// The sum of the squares of the samples in the current unfinished window.
-    square_sum: Sum,
-}
-
-impl ChannelLoudnessMeter {
-    /// Construct a new loudness meter for the given sample rate.
-    pub fn new(sample_rate_hz: u32) -> ChannelLoudnessMeter {
-        ChannelLoudnessMeter {
-            samples_per_100ms: sample_rate_hz / 10,
-            filter_stage1: Filter::high_shelf(sample_rate_hz as f32),
-            filter_stage2: Filter::high_pass(sample_rate_hz as f32),
-            windows: Windows100ms::new(),
-            count: 0,
-            square_sum: Sum::zero(),
-        }
-    }
-
-    /// Feed input samples for loudness analysis.
-    ///
-    /// # Full scale
-    ///
-    /// Full scale for the input samples is the interval [-1.0, 1.0]. If your
-    /// input consists of signed integer samples, you can convert as follows:
-    ///
-    /// ```ignore
-    /// # let mut meter = bs1770::ChannelLoudnessMeter::new(44_100);
-    /// # let bits_per_sample = 16_usize;
-    /// # let samples = &[0_i16];
-    /// // Note that the maximum amplitude is `1 << (bits_per_sample - 1)`,
-    /// // one bit is the sign bit.
-    /// let normalizer = 1.0 / (1_u64 << (bits_per_sample - 1)) as f32;
-    /// meter.push(samples.iter().map(|&s| s as f32 * normalizer));
-    /// ```
-    ///
-    /// # Repeated calls
-    ///
-    /// You can call `push` multiple times to feed multiple batches of samples.
-    /// This is equivalent to feeding a single chained iterator. The leftover of
-    /// samples that did not fill a full 100ms window is not discarded:
-    ///
-    /// ```ignore
-    /// # use std::iter;
-    /// # use bs1770::ChannelLoudnessMeter;
-    /// let sample_rate_hz = 44_100;
-    /// let samples_per_100ms = sample_rate_hz / 10;
-    /// let mut meter = ChannelLoudnessMeter::new(sample_rate_hz);
-    ///
-    /// meter.push(iter::repeat(0.0).take(samples_per_100ms as usize - 1));
-    /// assert_eq!(meter.as_100ms_windows().len(), 0);
-    ///
-    /// meter.push(iter::once(0.0));
-    /// assert_eq!(meter.as_100ms_windows().len(), 1);
-    /// ```
-    pub fn push<I: Iterator<Item = f32>>(&mut self, samples: I) {
-        let normalizer = 1.0 / self.samples_per_100ms as f32;
-
-        // LLVM, if you could go ahead and inline those apply calls, and then
-        // unroll and vectorize the loop, that'd be terrific.
-        for x in samples {
-            let y = self.filter_stage1.apply(x);
-            let z = self.filter_stage2.apply(y);
-
-            self.square_sum.add(z * z);
-            self.count += 1;
-
-            // TODO: Should this branch be marked cold?
-            if self.count == self.samples_per_100ms {
-                let mean_squares = Power(self.square_sum.sum * normalizer);
-                self.windows.inner.push(mean_squares);
-                // We intentionally do not reset the residue. That way, leftover
-                // energy from this window is not lost, so for the file overall,
-                // the sum remains more accurate.
-                self.square_sum.sum = 0.0;
-                self.count = 0;
-            }
-        }
-    }
-
-    /// Return a reference to the 100ms windows analyzed so far.
-    pub fn as_100ms_windows(&self) -> Windows100ms<&[Power]> {
-        self.windows.as_ref()
-    }
-
-    /// Return all 100ms windows analyzed so far.
-    pub fn into_100ms_windows(self) -> Windows100ms<Vec<Power>> {
-        self.windows
-    }
-}
-
-/// Combine power for multiple channels by taking a weighted sum.
-///
-/// Note that BS.1770-4 defines power for a multi-channel signal as a weighted
-/// sum over channels which is not normalized. This means that a stereo signal
-/// is inherently louder than a mono signal. For a mono signal played back on
-/// stereo speakers, you should therefore still apply `reduce_stereo`, passing
-/// in the same signal for both channels.
-pub fn reduce_stereo(
-    left: Windows100ms<&[Power]>,
-    right: Windows100ms<&[Power]>,
-) -> Windows100ms<Vec<Power>> {
-    assert_eq!(
-        left.len(),
-        right.len(),
-        "Channels must have the same length."
-    );
-    let mut result = Vec::with_capacity(left.len());
-    for (l, r) in left.inner.iter().zip(right.inner) {
-        result.push(Power(l.0 + r.0));
-    }
-    Windows100ms { inner: result }
-}
-
-/// In-place version of `reduce_stereo` that stores the result in the former left channel.
-pub fn reduce_stereo_in_place(left: Windows100ms<&mut [Power]>, right: Windows100ms<&[Power]>) {
-    assert_eq!(
-        left.len(),
-        right.len(),
-        "Channels must have the same length."
-    );
-    for (l, r) in left.inner.iter_mut().zip(right.inner) {
-        l.0 += r.0;
-    }
-}
-
-/// Perform gating and averaging for a BS.1770-4 integrated loudness measurement.
-///
-/// The integrated loudness measurement is not just the average power over the
-/// entire signal. BS.1770-4 defines defines two stages of gating that exclude
-/// parts of the signal, to ensure that silent parts do not contribute to the
-/// loudness measurment. This function performs that gating, and returns the
-/// average power over the windows that were not excluded.
-///
-/// The result of this function is the integrated loudness measurement.
-///
-/// When no signal remains after applying the gate, this function returns
-/// `None`. In particular, this happens when all of the signal is softer than
-/// -70 LKFS, including a signal that consists of pure silence.
-pub fn gated_mean(windows_100ms: Windows100ms<&[Power]>) -> Option<Power> {
-    let mut gating_blocks = Vec::with_capacity(windows_100ms.len());
-
-    // Stage 1: an absolute threshold of -70 LKFS. (Equation 6, p.6.)
-    let absolute_threshold = Power::from_lkfs(-70.0);
-
-    // Iterate over all 400ms windows.
-    for window in windows_100ms.inner.windows(4) {
-        // Note that the sum over channels has already been performed at this point.
-        let gating_block_power = Power(0.25 * window.iter().map(|mean| mean.0).sum::<f32>());
-
-        if gating_block_power > absolute_threshold {
-            gating_blocks.push(gating_block_power);
-        }
-    }
-
-    if gating_blocks.is_empty() {
-        return None;
-    }
-
-    // Compute the loudness after applying the absolute gate, in order to
-    // determine the threshold for the relative gate.
-    let mut sum_power = Sum::zero();
-    for &gating_block_power in &gating_blocks {
-        sum_power.add(gating_block_power.0);
-    }
-    let absolute_gated_power = Power(sum_power.sum / (gating_blocks.len() as f32));
-
-    // Stage 2: Apply the relative gate.
-    let relative_threshold = Power::from_lkfs(absolute_gated_power.loudness_lkfs() - 10.0);
-    let mut sum_power = Sum::zero();
-    let mut n_blocks = 0_usize;
-    for &gating_block_power in &gating_blocks {
-        if gating_block_power > relative_threshold {
-            sum_power.add(gating_block_power.0);
-            n_blocks += 1;
-        }
-    }
-
-    if n_blocks == 0 {
-        return None;
-    }
-
-    let relative_gated_power = Power(sum_power.sum / n_blocks as f32);
-    Some(relative_gated_power)
-}

candle-examples/src/lib.rs

@@ -1,9 +1,6 @@
-pub mod audio;
-pub mod bs1770;
 pub mod coco_classes;
 pub mod imagenet;
 pub mod token_output_stream;
-pub mod wav;
 
 use candle::utils::{cuda_is_available, metal_is_available};
 use candle::{Device, Result, Tensor};

candle-examples/src/token_output_stream.rs

@@ -40,7 +40,7 @@ impl TokenOutputStream {
         };
         self.tokens.push(token);
         let text = self.decode(&self.tokens[self.prev_index..])?;
-        if text.len() > prev_text.len() && text.chars().last().unwrap().is_alphanumeric() {
+        if text.len() > prev_text.len() && text.chars().last().unwrap().is_alphabetic() {
             let text = text.split_at(prev_text.len());
             self.prev_index = self.current_index;
             self.current_index = self.tokens.len();

candle-examples/src/wav.rs

@@ -1,56 +0,0 @@
-use std::io::prelude::*;
-
-pub trait Sample {
-    fn to_i16(&self) -> i16;
-}
-
-impl Sample for f32 {
-    fn to_i16(&self) -> i16 {
-        (self.clamp(-1.0, 1.0) * 32767.0) as i16
-    }
-}
-
-impl Sample for f64 {
-    fn to_i16(&self) -> i16 {
-        (self.clamp(-1.0, 1.0) * 32767.0) as i16
-    }
-}
-
-impl Sample for i16 {
-    fn to_i16(&self) -> i16 {
-        *self
-    }
-}
-
-pub fn write_pcm_as_wav<W: Write, S: Sample>(
-    w: &mut W,
-    samples: &[S],
-    sample_rate: u32,
-) -> std::io::Result<()> {
-    let len = 12u32; // header
-    let len = len + 24u32; // fmt
-    let len = len + samples.len() as u32 * 2 + 8; // data
-    let n_channels = 1u16;
-    let bytes_per_second = sample_rate * 2 * n_channels as u32;
-    w.write_all(b"RIFF")?;
-    w.write_all(&(len - 8).to_le_bytes())?; // total length minus 8 bytes
-    w.write_all(b"WAVE")?;
-
-    // Format block
-    w.write_all(b"fmt ")?;
-    w.write_all(&16u32.to_le_bytes())?; // block len minus 8 bytes
-    w.write_all(&1u16.to_le_bytes())?; // PCM
-    w.write_all(&n_channels.to_le_bytes())?; // one channel
-    w.write_all(&sample_rate.to_le_bytes())?;
-    w.write_all(&bytes_per_second.to_le_bytes())?;
-    w.write_all(&2u16.to_le_bytes())?; // 2 bytes of data per sample
-    w.write_all(&16u16.to_le_bytes())?; // bits per sample
-
-    // Data block
-    w.write_all(b"data")?;
-    w.write_all(&(samples.len() as u32 * 2).to_le_bytes())?;
-    for sample in samples.iter() {
-        w.write_all(&sample.to_i16().to_le_bytes())?
-    }
-    Ok(())
-}

candle-flash-attn/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "candle-flash-attn"
-version = "0.4.1"
+version = "0.4.0"
 edition = "2021"
 
 description = "Flash attention layer for the candle ML framework."
@@ -11,7 +11,7 @@ license = "MIT OR Apache-2.0"
 readme = "README.md"
 
 [dependencies]
-candle = { path = "../candle-core", features = ["cuda"], package = "candle-core", version = "0.4.1" }
+candle = { path = "../candle-core", features = ["cuda"], package = "candle-core", version = "0.4.0" }
 half = { version = "2.3.1", features = ["num-traits"] }
 
 [build-dependencies]

candle-kernels/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "candle-kernels"
-version = "0.4.1"
+version = "0.4.0"
 edition = "2021"
 
 description = "CUDA kernels for Candle"

candle-kernels/src/lib.rs

@@ -4,7 +4,6 @@ pub const CAST: &str = include_str!(concat!(env!("OUT_DIR"), "/cast.ptx"));
 pub const CONV: &str = include_str!(concat!(env!("OUT_DIR"), "/conv.ptx"));
 pub const FILL: &str = include_str!(concat!(env!("OUT_DIR"), "/fill.ptx"));
 pub const INDEXING: &str = include_str!(concat!(env!("OUT_DIR"), "/indexing.ptx"));
-pub const QUANTIZED: &str = include_str!(concat!(env!("OUT_DIR"), "/quantized.ptx"));
 pub const REDUCE: &str = include_str!(concat!(env!("OUT_DIR"), "/reduce.ptx"));
 pub const TERNARY: &str = include_str!(concat!(env!("OUT_DIR"), "/ternary.ptx"));
 pub const UNARY: &str = include_str!(concat!(env!("OUT_DIR"), "/unary.ptx"));

candle-metal-kernels/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "candle-metal-kernels"
-version = "0.4.1"
+version = "0.4.0"
 edition = "2021"
 
 description = "Metal kernels for Candle"

candle-nn/src/activation.rs

@@ -5,7 +5,6 @@ use serde::Deserialize;
 #[serde(rename_all = "lowercase")]
 pub enum Activation {
     #[default]
-    #[serde(alias = "gelu")]
     Gelu,
     #[serde(alias = "gelu_new")]
     NewGelu,
@@ -20,8 +19,6 @@ pub enum Activation {
     HardSwish,
     Elu(f64),
     LeakyRelu(f64),
-    #[serde(alias = "gelu_pytorch_tanh")]
-    GeluPytorchTanh,
 }
 
 impl super::Module for Activation {
@@ -41,7 +38,6 @@ impl super::Module for Activation {
             Self::HardSwish => xs * crate::ops::hard_sigmoid(xs)?,
             &Self::Elu(alpha) => xs.elu(alpha),
             &Self::LeakyRelu(negative_slope) => crate::ops::leaky_relu(xs, negative_slope),
-            Self::GeluPytorchTanh => xs.gelu(),
         }
     }
 }

candle-nn/src/conv.rs

@@ -76,7 +76,7 @@ pub struct ConvTranspose1dConfig {
     pub output_padding: usize,
     pub stride: usize,
     pub dilation: usize,
-    pub groups: usize,
+    // TODO: support groups.
 }
 
 impl Default for ConvTranspose1dConfig {
@@ -86,7 +86,6 @@ impl Default for ConvTranspose1dConfig {
             output_padding: 0,
             stride: 1,
             dilation: 1,
-            groups: 1,
         }
     }
 }
@@ -110,14 +109,6 @@ impl ConvTranspose1d {
     pub fn config(&self) -> &ConvTranspose1dConfig {
         &self.config
     }
-
-    pub fn weight(&self) -> &Tensor {
-        &self.weight
-    }
-
-    pub fn bias(&self) -> Option<&Tensor> {
-        self.bias.as_ref()
-    }
 }
 
 impl crate::Module for ConvTranspose1d {
@@ -128,13 +119,12 @@ impl crate::Module for ConvTranspose1d {
             self.config.output_padding,
             self.config.stride,
             self.config.dilation,
-            self.config.groups,
         )?;
         match &self.bias {
             None => Ok(x),
             Some(bias) => {
                 let b = bias.dims1()?;
-                let bias = bias.reshape((1, b, 1))?;
+                let bias = bias.reshape((1, b, 1, 1))?;
                 Ok(x.broadcast_add(&bias)?)
             }
         }
@@ -268,14 +258,6 @@ impl ConvTranspose2d {
     pub fn config(&self) -> &ConvTranspose2dConfig {
         &self.config
     }
-
-    pub fn weight(&self) -> &Tensor {
-        &self.weight
-    }
-
-    pub fn bias(&self) -> Option<&Tensor> {
-        self.bias.as_ref()
-    }
 }
 
 impl crate::Module for ConvTranspose2d {
@@ -320,22 +302,6 @@ pub fn conv1d(
     Ok(Conv1d::new(ws, Some(bs), cfg))
 }
 
-pub fn conv1d_no_bias(
-    in_channels: usize,
-    out_channels: usize,
-    kernel_size: usize,
-    cfg: Conv1dConfig,
-    vb: crate::VarBuilder,
-) -> Result<Conv1d> {
-    let init_ws = crate::init::DEFAULT_KAIMING_NORMAL;
-    let ws = vb.get_with_hints(
-        (out_channels, in_channels / cfg.groups, kernel_size),
-        "weight",
-        init_ws,
-    )?;
-    Ok(Conv1d::new(ws, None, cfg))
-}
-
 pub fn conv_transpose1d(
     in_channels: usize,
     out_channels: usize,
@@ -348,11 +314,7 @@ pub fn conv_transpose1d(
         lo: -bound,
         up: bound,
     };
-    let ws = vb.get_with_hints(
-        (in_channels, out_channels / cfg.groups, kernel_size),
-        "weight",
-        init,
-    )?;
+    let ws = vb.get_with_hints((in_channels, out_channels, kernel_size), "weight", init)?;
     let bs = vb.get_with_hints(out_channels, "bias", init)?;
     Ok(ConvTranspose1d::new(ws, Some(bs), cfg))
 }
@@ -369,11 +331,7 @@ pub fn conv_transpose1d_no_bias(
         lo: -bound,
         up: bound,
     };
-    let ws = vb.get_with_hints(
-        (in_channels, out_channels / cfg.groups, kernel_size),
-        "weight",
-        init,
-    )?;
+    let ws = vb.get_with_hints((in_channels, out_channels, kernel_size), "weight", init)?;
     Ok(ConvTranspose1d::new(ws, None, cfg))
 }
 

candle-nn/src/lib.rs

@@ -19,16 +19,15 @@ pub mod var_map;
 pub use activation::{prelu, Activation, PReLU};
 pub use batch_norm::{batch_norm, BatchNorm, BatchNormConfig};
 pub use conv::{
-    conv1d, conv1d_no_bias, conv2d, conv2d_no_bias, conv_transpose1d, conv_transpose1d_no_bias,
-    conv_transpose2d, conv_transpose2d_no_bias, Conv1d, Conv1dConfig, Conv2d, Conv2dConfig,
-    ConvTranspose1d, ConvTranspose1dConfig, ConvTranspose2d, ConvTranspose2dConfig,
+    conv1d, conv2d, conv2d_no_bias, conv_transpose2d, conv_transpose2d_no_bias, Conv1d,
+    Conv1dConfig, Conv2d, Conv2dConfig, ConvTranspose2d, ConvTranspose2dConfig,
 };
 pub use embedding::{embedding, Embedding};
 pub use func::{func, func_t, Func, FuncT};
 pub use group_norm::{group_norm, GroupNorm};
 pub use init::Init;
 pub use layer_norm::{layer_norm, rms_norm, LayerNorm, LayerNormConfig, RmsNorm};
-pub use linear::{linear, linear_b, linear_no_bias, Linear};
+pub use linear::{linear, linear_no_bias, Linear};
 pub use ops::Dropout;
 pub use optim::{AdamW, Optimizer, ParamsAdamW, SGD};
 pub use rnn::{gru, lstm, GRUConfig, LSTMConfig, GRU, LSTM, RNN};

candle-nn/src/linear.rs

@@ -57,34 +57,21 @@ impl super::Module for Linear {
 /// Create or initialize a new linear layer.
 ///
 /// This uses some default names for weights and biases, namely `"weight"` and `"bias"`.
-pub fn linear(in_dim: usize, out_dim: usize, vb: crate::VarBuilder) -> Result<Linear> {
+pub fn linear(in_dim: usize, out_dim: usize, vs: crate::VarBuilder) -> Result<Linear> {
     let init_ws = crate::init::DEFAULT_KAIMING_NORMAL;
-    let ws = vb.get_with_hints((out_dim, in_dim), "weight", init_ws)?;
+    let ws = vs.get_with_hints((out_dim, in_dim), "weight", init_ws)?;
     let bound = 1. / (in_dim as f64).sqrt();
     let init_bs = crate::Init::Uniform {
         lo: -bound,
         up: bound,
     };
-    let bs = vb.get_with_hints(out_dim, "bias", init_bs)?;
+    let bs = vs.get_with_hints(out_dim, "bias", init_bs)?;
     Ok(Linear::new(ws, Some(bs)))
 }
 
 /// Create or initialize a new linear layer without biases.
-pub fn linear_no_bias(in_dim: usize, out_dim: usize, vb: crate::VarBuilder) -> Result<Linear> {
+pub fn linear_no_bias(in_dim: usize, out_dim: usize, vs: crate::VarBuilder) -> Result<Linear> {
     let init_ws = crate::init::DEFAULT_KAIMING_NORMAL;
-    let ws = vb.get_with_hints((out_dim, in_dim), "weight", init_ws)?;
+    let ws = vs.get_with_hints((out_dim, in_dim), "weight", init_ws)?;
     Ok(Linear::new(ws, None))
 }
-
-pub fn linear_b(
-    in_dim: usize,
-    out_dim: usize,
-    bias: bool,
-    vb: crate::VarBuilder,
-) -> Result<Linear> {
-    if bias {
-        linear(in_dim, out_dim, vb)
-    } else {
-        linear_no_bias(in_dim, out_dim, vb)
-    }
-}

candle-nn/src/rnn.rs

@@ -197,7 +197,7 @@ impl RNN for LSTM {
 
     fn states_to_tensor(&self, states: &[Self::State]) -> Result<Tensor> {
         let states = states.iter().map(|s| s.h.clone()).collect::<Vec<_>>();
-        Tensor::stack(&states, 1)
+        Tensor::cat(&states, 1)
     }
 }
 

candle-nn/src/var_map.rs

@@ -70,7 +70,7 @@ impl VarMap {
     ///
     /// If an error is returned, some of the variables might have already been set to their new
     /// values.
-    pub fn set<I: Iterator<Item = (K, V)>, K: AsRef<str>, V: AsRef<Tensor>>(
+    pub fn set<I: Iterator<Item = (K, V)>, K: AsRef<String>, V: AsRef<Tensor>>(
         &mut self,
         iter: I,
     ) -> Result<()> {

candle-nn/tests/optim.rs

@@ -7,7 +7,7 @@ extern crate accelerate_src;
 use candle::test_utils::{to_vec0_round, to_vec2_round};
 
 use anyhow::Result;
-use candle::{DType, Device, Tensor, Var};
+use candle::{Device, Tensor, Var};
 use candle_nn::{AdamW, Linear, Module, Optimizer, ParamsAdamW, SGD};
 
 #[test]
@@ -121,40 +121,3 @@ fn adamw_linear_regression() -> Result<()> {
     assert_eq!(to_vec0_round(b.as_tensor(), 4)?, 0.7873);
     Ok(())
 }
-
-#[test]
-fn adamw_linear_regression_varmap() -> Result<()> {
-    use candle_nn::Init::Const;
-
-    // Similar as the previous test but using a VarMap.
-    let w_gen = Tensor::new(&[[3f32, 1.]], &Device::Cpu)?;
-    let b_gen = Tensor::new(-2f32, &Device::Cpu)?;
-    let gen = Linear::new(w_gen, Some(b_gen));
-    let sample_xs = Tensor::new(&[[2f32, 1.], [7., 4.], [-4., 12.], [5., 8.]], &Device::Cpu)?;
-    let sample_ys = gen.forward(&sample_xs)?;
-
-    let mut var_map = candle_nn::VarMap::new();
-
-    let w = var_map.get((1, 2), "w", Const(0.), DType::F32, &Device::Cpu)?;
-    let b = var_map.get((), "b", Const(0.), DType::F32, &Device::Cpu)?;
-    let params = ParamsAdamW {
-        lr: 0.1,
-        ..Default::default()
-    };
-    let mut opt = AdamW::new(var_map.all_vars(), params)?;
-    let lin = Linear::new(w, Some(b));
-    for _step in 0..100 {
-        let ys = lin.forward(&sample_xs)?;
-        let loss = ys.sub(&sample_ys)?.sqr()?.sum_all()?;
-        opt.backward_step(&loss)?;
-    }
-    assert_eq!(to_vec2_round(lin.weight(), 4)?, &[[2.7257, 0.7097]]);
-    assert_eq!(to_vec0_round(lin.bias().unwrap(), 4)?, 0.7873);
-
-    var_map.set([("w", Tensor::zeros((1, 2), DType::F32, &Device::Cpu)?)].into_iter())?;
-    var_map.set([("b", Tensor::ones((), DType::F32, &Device::Cpu)?)].into_iter())?;
-
-    assert_eq!(to_vec2_round(lin.weight(), 4)?, &[[0., 0.]]);
-    assert_eq!(to_vec0_round(lin.bias().unwrap(), 4)?, 1.);
-    Ok(())
-}

candle-onnx/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "candle-onnx"
-version = "0.4.1"
+version = "0.4.0"
 edition = "2021"
 
 description = "ONNX support for Candle"
@@ -10,8 +10,8 @@ categories = ["science"]
 license = "MIT OR Apache-2.0"
 
 [dependencies]
-candle = { path = "../candle-core", package = "candle-core", version = "0.4.1" }
-candle-nn = { path = "../candle-nn", version = "0.4.1" }
+candle = { path = "../candle-core", package = "candle-core", version = "0.4.0" }
+candle-nn = { path = "../candle-nn", version = "0.4.0" }
 prost = "0.12.1"
 
 [build-dependencies]

candle-onnx/tests/ops.rs

@@ -832,49 +832,7 @@ fn test_flatten_operation() -> Result<()> {
 // #[test]
 
 // "Shape"
-#[test]
-fn test_shape_operation() -> Result<()> {
-    let manual_graph = create_model_proto_with_graph(Some(GraphProto {
-        node: vec![NodeProto {
-            op_type: "Shape".to_string(),
-            domain: "".to_string(),
-            attribute: vec![],
-            input: vec![INPUT_X.to_string()],
-            output: vec![OUTPUT_Z.to_string()],
-            name: "".to_string(),
-            doc_string: "".to_string(),
-        }],
-        name: "".to_string(),
-        initializer: vec![],
-        input: vec![],
-        output: vec![ValueInfoProto {
-            name: OUTPUT_Z.to_string(),
-            doc_string: "".to_string(),
-            r#type: None,
-        }],
-        value_info: vec![ValueInfoProto {
-            name: INPUT_X.to_string(),
-            doc_string: "".to_string(),
-            r#type: None,
-        }],
-        doc_string: "".to_string(),
-        sparse_initializer: vec![],
-        quantization_annotation: vec![],
-    }));
-    let x = Tensor::from_vec(vec![1.0f32, 2.0f32, 3.0f32, 4.0f32], &[2, 2], &Device::Cpu)?;
-
-    let mut inputs: HashMap<String, Tensor> = HashMap::new();
-    inputs.insert(INPUT_X.to_string(), x);
-
-    let eval = candle_onnx::simple_eval(&manual_graph, inputs)?;
-    assert_eq!(eval.len(), 1);
-
-    let z = eval.get(OUTPUT_Z).expect("Output 'z' not found");
-    let results = z.to_vec1::<i64>()?;
-    assert_eq!(results, vec![2, 2]);
-
-    Ok(())
-}
+// #[test]
 
 // "Conv"
 // #[test]
@@ -883,452 +841,31 @@ fn test_shape_operation() -> Result<()> {
 // #[test]
 
 // "Abs"
-#[test]
-fn test_abs_operation() -> Result<()> {
-    let manual_graph = create_model_proto_with_graph(Some(GraphProto {
-        node: vec![NodeProto {
-            op_type: "Abs".to_string(),
-            domain: "".to_string(),
-            attribute: vec![],
-            input: vec![INPUT_X.to_string()],
-            output: vec![OUTPUT_Z.to_string()],
-            name: "".to_string(),
-            doc_string: "".to_string(),
-        }],
-        name: "".to_string(),
-        initializer: vec![],
-        input: vec![
-            ValueInfoProto {
-                name: INPUT_X.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-            ValueInfoProto {
-                name: INPUT_Y.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-        ],
-        output: vec![ValueInfoProto {
-            name: OUTPUT_Z.to_string(),
-            doc_string: "".to_string(),
-            r#type: None,
-        }],
-        value_info: vec![],
-        doc_string: "".to_string(),
-        sparse_initializer: vec![],
-        quantization_annotation: vec![],
-    }));
-    let x = Tensor::from_vec(
-        vec![-1.0f32, 2.0f32, -3.0f32, 4.0f32],
-        &[2, 2],
-        &Device::Cpu,
-    )?;
-
-    let mut inputs: HashMap<String, Tensor> = HashMap::new();
-    inputs.insert(INPUT_X.to_string(), x);
-
-    let eval = candle_onnx::simple_eval(&manual_graph, inputs)?;
-    assert_eq!(eval.len(), 1);
-
-    let z = eval.get(OUTPUT_Z).expect("Output 'z' not found");
-
-    let results = z.to_vec2::<f32>()?;
-
-    assert_eq!(results, vec![vec![1.0, 2.0], vec![3.0, 4.0]]);
-
-    Ok(())
-}
+// #[test]
 
 // "Cos"
-#[test]
-fn test_cos_operation() -> Result<()> {
-    let manual_graph = create_model_proto_with_graph(Some(GraphProto {
-        node: vec![NodeProto {
-            op_type: "Cos".to_string(),
-            domain: "".to_string(),
-            attribute: vec![],
-            input: vec![INPUT_X.to_string()],
-            output: vec![OUTPUT_Z.to_string()],
-            name: "".to_string(),
-            doc_string: "".to_string(),
-        }],
-        name: "".to_string(),
-        initializer: vec![],
-        input: vec![
-            ValueInfoProto {
-                name: INPUT_X.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-            ValueInfoProto {
-                name: INPUT_Y.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-        ],
-        output: vec![ValueInfoProto {
-            name: OUTPUT_Z.to_string(),
-            doc_string: "".to_string(),
-            r#type: None,
-        }],
-        value_info: vec![],
-        doc_string: "".to_string(),
-        sparse_initializer: vec![],
-        quantization_annotation: vec![],
-    }));
-    let x = Tensor::from_vec(vec![0.0f32, 1.0f32, 2.0f32, 3.0f32], &[2, 2], &Device::Cpu)?;
-
-    let mut inputs: HashMap<String, Tensor> = HashMap::new();
-    inputs.insert(INPUT_X.to_string(), x);
-
-    let eval = candle_onnx::simple_eval(&manual_graph, inputs)?;
-    assert_eq!(eval.len(), 1);
-
-    let z = eval.get(OUTPUT_Z).expect("Output 'z' not found");
-
-    let results = z.to_vec2::<f32>()?;
-
-    assert_eq!(
-        results,
-        vec![vec![1.0, 0.54030234], vec![-0.41614684, -0.9899925]]
-    );
-
-    Ok(())
-}
+// #[test]
 
 // "Sin"
-#[test]
-fn test_sin_operation() -> Result<()> {
-    let manual_graph = create_model_proto_with_graph(Some(GraphProto {
-        node: vec![NodeProto {
-            op_type: "Sin".to_string(),
-            domain: "".to_string(),
-            attribute: vec![],
-            input: vec![INPUT_X.to_string()],
-            output: vec![OUTPUT_Z.to_string()],
-            name: "".to_string(),
-            doc_string: "".to_string(),
-        }],
-        name: "".to_string(),
-        initializer: vec![],
-        input: vec![
-            ValueInfoProto {
-                name: INPUT_X.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-            ValueInfoProto {
-                name: INPUT_Y.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-        ],
-        output: vec![ValueInfoProto {
-            name: OUTPUT_Z.to_string(),
-            doc_string: "".to_string(),
-            r#type: None,
-        }],
-        value_info: vec![],
-        doc_string: "".to_string(),
-        sparse_initializer: vec![],
-        quantization_annotation: vec![],
-    }));
-    let x = Tensor::from_vec(vec![0.0f32, 1.0f32, 2.0f32, 3.0f32], &[2, 2], &Device::Cpu)?;
-
-    let mut inputs: HashMap<String, Tensor> = HashMap::new();
-    inputs.insert(INPUT_X.to_string(), x);
-
-    let eval = candle_onnx::simple_eval(&manual_graph, inputs)?;
-    assert_eq!(eval.len(), 1);
-
-    let z = eval.get(OUTPUT_Z).expect("Output 'z' not found");
-
-    let results = z.to_vec2::<f32>()?;
-
-    assert_eq!(results, vec![vec![0.0, 0.841471], vec![0.9092974, 0.14112]]);
-
-    Ok(())
-}
+// #[test]
 
 // "Neg"
-#[test]
-fn test_neg_operation() -> Result<()> {
-    let manual_graph = create_model_proto_with_graph(Some(GraphProto {
-        node: vec![NodeProto {
-            op_type: "Neg".to_string(),
-            domain: "".to_string(),
-            attribute: vec![],
-            input: vec![INPUT_X.to_string()],
-            output: vec![OUTPUT_Z.to_string()],
-            name: "".to_string(),
-            doc_string: "".to_string(),
-        }],
-        name: "".to_string(),
-        initializer: vec![],
-        input: vec![
-            ValueInfoProto {
-                name: INPUT_X.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-            ValueInfoProto {
-                name: INPUT_Y.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-        ],
-        output: vec![ValueInfoProto {
-            name: OUTPUT_Z.to_string(),
-            doc_string: "".to_string(),
-            r#type: None,
-        }],
-        value_info: vec![],
-        doc_string: "".to_string(),
-        sparse_initializer: vec![],
-        quantization_annotation: vec![],
-    }));
-    let x = Tensor::from_vec(vec![1.0f32, 2.0f32, 3.0f32, 4.0f32], &[2, 2], &Device::Cpu)?;
-
-    let mut inputs: HashMap<String, Tensor> = HashMap::new();
-    inputs.insert(INPUT_X.to_string(), x);
-
-    let eval = candle_onnx::simple_eval(&manual_graph, inputs)?;
-    assert_eq!(eval.len(), 1);
-
-    let z = eval.get(OUTPUT_Z).expect("Output 'z' not found");
-
-    let results = z.to_vec2::<f32>()?;
-
-    assert_eq!(results, vec![vec![-1.0, -2.0], vec![-3.0, -4.0]]);
-
-    Ok(())
-}
+// #[test]
 
 // "Erf"
 // #[test]
 
 // "Tanh"
-#[test]
-fn test_tanh_operation() -> Result<()> {
-    let manual_graph = create_model_proto_with_graph(Some(GraphProto {
-        node: vec![NodeProto {
-            op_type: "Tanh".to_string(),
-            domain: "".to_string(),
-            attribute: vec![],
-            input: vec![INPUT_X.to_string()],
-            output: vec![OUTPUT_Z.to_string()],
-            name: "".to_string(),
-            doc_string: "".to_string(),
-        }],
-        name: "".to_string(),
-        initializer: vec![],
-        input: vec![
-            ValueInfoProto {
-                name: INPUT_X.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-            ValueInfoProto {
-                name: INPUT_Y.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-        ],
-        output: vec![ValueInfoProto {
-            name: OUTPUT_Z.to_string(),
-            doc_string: "".to_string(),
-            r#type: None,
-        }],
-        value_info: vec![],
-        doc_string: "".to_string(),
-        sparse_initializer: vec![],
-        quantization_annotation: vec![],
-    }));
-    let x = Tensor::from_vec(vec![0.0f32, 1.0f32, 2.0f32, 3.0f32], &[2, 2], &Device::Cpu)?;
-
-    let mut inputs: HashMap<String, Tensor> = HashMap::new();
-    inputs.insert(INPUT_X.to_string(), x);
-
-    let eval = candle_onnx::simple_eval(&manual_graph, inputs)?;
-    assert_eq!(eval.len(), 1);
-
-    let z = eval.get(OUTPUT_Z).expect("Output 'z' not found");
-
-    let results = z.to_vec2::<f32>()?;
-
-    assert_eq!(
-        results,
-        vec![vec![0.0, 0.7615942], vec![0.9640276, 0.9950548]]
-    );
-
-    Ok(())
-}
+// #[test]
 
 // "Sigmoid"
-#[test]
-fn test_sigmoid_operation() -> Result<()> {
-    let manual_graph = create_model_proto_with_graph(Some(GraphProto {
-        node: vec![NodeProto {
-            op_type: "Sigmoid".to_string(),
-            domain: "".to_string(),
-            attribute: vec![],
-            input: vec![INPUT_X.to_string()],
-            output: vec![OUTPUT_Z.to_string()],
-            name: "".to_string(),
-            doc_string: "".to_string(),
-        }],
-        name: "".to_string(),
-        initializer: vec![],
-        input: vec![
-            ValueInfoProto {
-                name: INPUT_X.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-            ValueInfoProto {
-                name: INPUT_Y.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-        ],
-        output: vec![ValueInfoProto {
-            name: OUTPUT_Z.to_string(),
-            doc_string: "".to_string(),
-            r#type: None,
-        }],
-        value_info: vec![],
-        doc_string: "".to_string(),
-        sparse_initializer: vec![],
-        quantization_annotation: vec![],
-    }));
-    let x = Tensor::from_vec(vec![0.0f32, 1.0f32, 2.0f32, 3.0f32], &[2, 2], &Device::Cpu)?;
-
-    let mut inputs: HashMap<String, Tensor> = HashMap::new();
-    inputs.insert(INPUT_X.to_string(), x);
-
-    let eval = candle_onnx::simple_eval(&manual_graph, inputs)?;
-    assert_eq!(eval.len(), 1);
-
-    let z = eval.get(OUTPUT_Z).expect("Output 'z' not found");
-
-    let results = z.to_vec2::<f32>()?;
-
-    assert_eq!(
-        results,
-        vec![vec![0.5, 0.7310586], vec![0.880797, 0.95257413]]
-    );
-
-    Ok(())
-}
+// #[test]
 
 // "Gelu"
-#[test]
-fn test_gelu_operation() -> Result<()> {
-    let manual_graph = create_model_proto_with_graph(Some(GraphProto {
-        node: vec![NodeProto {
-            op_type: "Gelu".to_string(),
-            domain: "".to_string(),
-            attribute: vec![],
-            input: vec![INPUT_X.to_string()],
-            output: vec![OUTPUT_Z.to_string()],
-            name: "".to_string(),
-            doc_string: "".to_string(),
-        }],
-        name: "".to_string(),
-        initializer: vec![],
-        input: vec![
-            ValueInfoProto {
-                name: INPUT_X.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-            ValueInfoProto {
-                name: INPUT_Y.to_string(),
-                doc_string: "".to_string(),
-                r#type: None,
-            },
-        ],
-        output: vec![ValueInfoProto {
-            name: OUTPUT_Z.to_string(),
-            doc_string: "".to_string(),
-            r#type: None,
-        }],
-        value_info: vec![],
-        doc_string: "".to_string(),
-        sparse_initializer: vec![],
-        quantization_annotation: vec![],
-    }));
-    let x = Tensor::from_vec(vec![0.0f32, 1.0f32, 2.0f32, 3.0f32], &[2, 2], &Device::Cpu)?;
-
-    let mut inputs: HashMap<String, Tensor> = HashMap::new();
-    inputs.insert(INPUT_X.to_string(), x);
-
-    let eval = candle_onnx::simple_eval(&manual_graph, inputs)?;
-    assert_eq!(eval.len(), 1);
-
-    let z = eval.get(OUTPUT_Z).expect("Output 'z' not found");
-
-    let results = z.to_vec2::<f32>()?;
-
-    assert_eq!(
-        results,
-        vec![vec![0.0, 0.8413448], vec![1.9544997, 2.9959502]]
-    );
-
-    Ok(())
-}
+// #[test]
 
 // "Relu"
-#[test]
-fn test_relu_operation() -> Result<()> {
-    let manual_graph = create_model_proto_with_graph(Some(GraphProto {
-        node: vec![NodeProto {
-            op_type: "Relu".to_string(),
-            domain: "".to_string(),
-            attribute: vec![],
-            input: vec![INPUT_X.to_string()],
-            output: vec![OUTPUT_Z.to_string()],
-            name: "".to_string(),
-            doc_string: "".to_string(),
-        }],
-        name: "".to_string(),
-        initializer: vec![],
-        input: vec![ValueInfoProto {
-            name: INPUT_X.to_string(),
-            doc_string: "".to_string(),
-            r#type: None,
-        }],
-        output: vec![ValueInfoProto {
-            name: OUTPUT_Z.to_string(),
-            doc_string: "".to_string(),
-            r#type: None,
-        }],
-        value_info: vec![],
-        doc_string: "".to_string(),
-        sparse_initializer: vec![],
-        quantization_annotation: vec![],
-    }));
-    let x = Tensor::from_vec(
-        vec![-1.0f32, 1.0f32, -2.0f32, 3.0f32],
-        &[2, 2],
-        &Device::Cpu,
-    )?;
-
-    let mut inputs: HashMap<String, Tensor> = HashMap::new();
-    inputs.insert(INPUT_X.to_string(), x);
-
-    let eval = candle_onnx::simple_eval(&manual_graph, inputs)?;
-    assert_eq!(eval.len(), 1);
-
-    let z = eval.get(OUTPUT_Z).expect("Output 'z' not found");
-
-    let results = z.to_vec2::<f32>()?;
-
-    assert_eq!(results, vec![vec![0.0, 1.0], vec![0.0, 3.0]]);
-
-    Ok(())
-}
+// #[test]
 
 // "Constant"
 // #[test]

candle-transformers/Cargo.toml

@@ -15,7 +15,6 @@ byteorder = { workspace = true }
 candle = { workspace = true }
 candle-flash-attn = { workspace = true, optional = true }
 candle-nn = { workspace = true }
-fancy-regex = { workspace = true }
 intel-mkl-src = { workspace = true, optional = true }
 num-traits = { workspace = true }
 rand = { workspace = true }

candle-transformers/src/models/bigcode.rs

@@ -1,5 +1,15 @@
 use candle::{DType, Device, IndexOp, Result, Tensor, D};
-use candle_nn::{embedding, linear_b as linear, Embedding, LayerNorm, Linear, Module, VarBuilder};
+use candle_nn::{embedding, Embedding, LayerNorm, Linear, Module, VarBuilder};
+
+fn linear(size1: usize, size2: usize, bias: bool, vb: VarBuilder) -> Result<Linear> {
+    let weight = vb.get((size2, size1), "weight")?;
+    let bias = if bias {
+        Some(vb.get(size2, "bias")?)
+    } else {
+        None
+    };
+    Ok(Linear::new(weight, bias))
+}
 
 fn layer_norm(size: usize, eps: f64, vb: VarBuilder) -> Result<LayerNorm> {
     let weight = vb.get(size, "weight")?;

candle-transformers/src/models/chatglm.rs

@@ -1,4 +1,4 @@
-use crate::models::with_tracing::{linear_b as linear, Linear};
+use crate::models::with_tracing::Linear;
 use candle::{DType, Device, IndexOp, Module, Result, Tensor, D};
 use candle_nn::VarBuilder;
 
@@ -51,6 +51,14 @@ impl Config {
     }
 }
 
+fn linear(in_dim: usize, out_dim: usize, bias: bool, vb: VarBuilder) -> Result<Linear> {
+    if bias {
+        crate::models::with_tracing::linear(in_dim, out_dim, vb)
+    } else {
+        crate::models::with_tracing::linear_no_bias(in_dim, out_dim, vb)
+    }
+}
+
 #[derive(Debug, Clone)]
 struct RotaryEmbedding {
     cache: Tensor,

candle-transformers/src/models/efficientvit.rs

@@ -1,460 +0,0 @@
-//! EfficientViT (MSRA) inference implementation based on timm.
-//!
-//! See "EfficientViT: Memory Efficient Vision Transformer with Cascaded Group Attention"
-//! https://arxiv.org/abs/2305.07027
-
-//! https://github.com/huggingface/pytorch-image-models/blob/main/timm/models/efficientvit_msra.py
-
-use candle::{Result, Tensor, D};
-use candle_nn::{
-    batch_norm, conv2d, conv2d_no_bias, linear, ops::sigmoid, ops::softmax, Conv2dConfig, Func,
-    VarBuilder,
-};
-
-#[derive(Clone)]
-pub struct Config {
-    channels: [usize; 3],
-    blocks: [usize; 3],
-    heads: [usize; 3],
-    kernels: [usize; 4],
-}
-
-impl Config {
-    pub fn m0() -> Self {
-        Self {
-            channels: [64, 128, 192],
-            blocks: [1, 2, 3],
-            heads: [4, 4, 4],
-            kernels: [5, 5, 5, 5],
-        }
-    }
-    pub fn m1() -> Self {
-        Self {
-            channels: [128, 144, 192],
-            blocks: [1, 2, 3],
-            heads: [2, 3, 3],
-            kernels: [7, 5, 3, 3],
-        }
-    }
-    pub fn m2() -> Self {
-        Self {
-            channels: [128, 192, 224],
-            blocks: [1, 2, 3],
-            heads: [4, 3, 2],
-            kernels: [7, 5, 3, 3],
-        }
-    }
-    pub fn m3() -> Self {
-        Self {
-            channels: [128, 240, 320],
-            blocks: [1, 2, 3],
-            heads: [4, 3, 4],
-            kernels: [5, 5, 5, 5],
-        }
-    }
-    pub fn m4() -> Self {
-        Self {
-            channels: [128, 256, 384],
-            blocks: [1, 2, 3],
-            heads: [4, 4, 4],
-            kernels: [7, 5, 3, 3],
-        }
-    }
-
-    pub fn m5() -> Self {
-        Self {
-            channels: [192, 288, 384],
-            blocks: [1, 3, 4],
-            heads: [3, 3, 4],
-            kernels: [7, 5, 3, 3],
-        }
-    }
-}
-
-fn efficientvit_stemblock(
-    in_channels: usize,
-    out_channels: usize,
-    vb: VarBuilder,
-) -> Result<Func<'static>> {
-    let conv2d_cfg = Conv2dConfig {
-        stride: 2,
-        padding: 1,
-        ..Default::default()
-    };
-
-    let bn = batch_norm(out_channels, 1e-5, vb.pp("bn"))?;
-    let conv = conv2d_no_bias(in_channels, out_channels, 3, conv2d_cfg, vb.pp("conv"))?;
-
-    Ok(Func::new(move |xs| {
-        let xs = xs.apply(&conv)?.apply_t(&bn, false)?;
-        Ok(xs)
-    }))
-}
-
-fn efficientvit_stem(dim: usize, vb: VarBuilder) -> Result<Func<'static>> {
-    let conv1 = efficientvit_stemblock(3, dim / 8, vb.pp("conv1"))?;
-    let conv2 = efficientvit_stemblock(dim / 8, dim / 4, vb.pp("conv2"))?;
-    let conv3 = efficientvit_stemblock(dim / 4, dim / 2, vb.pp("conv3"))?;
-    let conv4 = efficientvit_stemblock(dim / 2, dim, vb.pp("conv4"))?;
-
-    Ok(Func::new(move |xs| {
-        let xs = xs
-            .apply(&conv1)?
-            .relu()?
-            .apply(&conv2)?
-            .relu()?
-            .apply(&conv3)?
-            .relu()?
-            .apply(&conv4)?;
-
-        Ok(xs)
-    }))
-}
-
-fn depthwise_conv(
-    channels: usize,
-    kernel: usize,
-    stride: usize,
-    padding: usize,
-    vb: VarBuilder,
-) -> Result<Func<'static>> {
-    let conv2d_cfg = Conv2dConfig {
-        stride,
-        padding,
-        groups: channels,
-        ..Default::default()
-    };
-
-    let bn = batch_norm(channels, 1e-5, vb.pp("bn"))?;
-    let conv = conv2d_no_bias(channels, channels, kernel, conv2d_cfg, vb.pp("conv"))?;
-
-    Ok(Func::new(move |xs| xs.apply(&conv)?.apply_t(&bn, false)))
-}
-
-fn pointwise_conv(
-    in_channels: usize,
-    out_channels: usize,
-    vb: VarBuilder,
-) -> Result<Func<'static>> {
-    let conv2d_cfg = Conv2dConfig {
-        ..Default::default()
-    };
-
-    let bn = batch_norm(out_channels, 1e-5, vb.pp("bn"))?;
-    let conv = conv2d_no_bias(in_channels, out_channels, 1, conv2d_cfg, vb.pp("conv"))?;
-
-    Ok(Func::new(move |xs| xs.apply(&conv)?.apply_t(&bn, false)))
-}
-
-fn conv_mlp(in_channels: usize, out_channels: usize, vb: VarBuilder) -> Result<Func<'static>> {
-    let pw1 = pointwise_conv(in_channels, out_channels, vb.pp("pw1"))?;
-    let pw2 = pointwise_conv(out_channels, in_channels, vb.pp("pw2"))?;
-
-    Ok(Func::new(move |xs| {
-        let xs = xs.apply(&pw1)?.relu()?.apply(&pw2)?;
-        Ok(xs)
-    }))
-}
-
-// Fixed per-stage resolutions
-const RESOLUTIONS: [usize; 3] = [14, 7, 4];
-
-// Attention block
-fn efficientvit_attn(
-    cfg: &Config,
-    stage: usize,
-    in_channels: usize,
-    vb: VarBuilder,
-) -> Result<Func<'static>> {
-    let cga = cascaded_group_attn(cfg, stage, in_channels, vb)?;
-
-    Ok(Func::new(move |xs| {
-        let mut xs = xs.clone();
-
-        let (b, c, h, w) = xs.dims4()?;
-        let win_res = 7; // Fixed window resolution
-        let pad_b = (win_res - h % win_res) % win_res;
-        let pad_r = (win_res - w % win_res) % win_res;
-        let ph = h + pad_b;
-        let pw = w + pad_r;
-        let nh = ph / win_res;
-        let nw = pw / win_res;
-
-        if RESOLUTIONS[stage] > win_res {
-            xs = xs.permute((0, 2, 3, 1))?;
-            xs = xs.pad_with_zeros(D::Minus1, 0, pad_r)?;
-            xs = xs.pad_with_zeros(D::Minus2, 0, pad_b)?;
-            xs = xs
-                .reshape((b, nh, win_res, nw, win_res, c))?
-                .transpose(2, 3)?;
-            xs = xs
-                .reshape((b * nh * nw, win_res, win_res, c))?
-                .permute((0, 3, 1, 2))?;
-        }
-
-        xs = xs.apply(&cga)?;
-
-        if RESOLUTIONS[stage] > win_res {
-            xs = xs
-                .permute((0, 2, 3, 1))?
-                .reshape((b, nh, nw, win_res, win_res, c))?;
-            xs = xs.transpose(2, 3)?.reshape((b, ph, pw, c))?;
-            xs = xs.permute((0, 3, 1, 2))?;
-        }
-
-        Ok(xs)
-    }))
-}
-
-// Cascaded group attention
-fn cascaded_group_attn(
-    cfg: &Config,
-    stage: usize,
-    in_channels: usize,
-    vb: VarBuilder,
-) -> Result<Func<'static>> {
-    let heads = cfg.heads[stage];
-    let key_dim = 16;
-
-    let val_dim = in_channels / heads;
-
-    let scale = (key_dim as f64).powf(-0.5);
-
-    let mut dws = Vec::with_capacity(heads);
-    let mut qkvs = Vec::with_capacity(heads);
-    for i in 0..heads {
-        dws.push(depthwise_conv(
-            key_dim,
-            cfg.kernels[i],
-            1,
-            cfg.kernels[i] / 2,
-            vb.pp(format!("dws.{i}")),
-        )?);
-
-        qkvs.push(pointwise_conv(
-            in_channels / heads,
-            in_channels / heads + 2 * key_dim,
-            vb.pp(format!("qkvs.{i}")),
-        )?);
-    }
-    let proj = pointwise_conv(in_channels, in_channels, vb.pp("proj.1"))?;
-
-    Ok(Func::new(move |xs| {
-        let (b, _, h, w) = xs.dims4()?;
-        let feats_in = xs.chunk(heads, 1)?;
-        let mut feats_out = Vec::with_capacity(heads);
-        let mut feat = feats_in[0].clone();
-
-        for i in 0..heads {
-            if i > 0 {
-                feat = (&feat + &feats_in[i])?;
-            }
-            feat = feat.apply(&qkvs[i])?;
-            let res = feat.reshape((b, (), h, w))?;
-            let q = res.narrow(1, 0, key_dim)?;
-            let k = res.narrow(1, key_dim, key_dim)?;
-            let v = res.narrow(1, 2 * key_dim, val_dim)?;
-
-            let q = q.apply(&dws[i])?;
-
-            let q = q.flatten_from(2)?;
-            let k = k.flatten_from(2)?;
-            let v = v.flatten_from(2)?;
-            let q = (q * scale)?;
-
-            let att = q.transpose(D::Minus2, D::Minus1)?.matmul(&k)?;
-            let att = softmax(&att, D::Minus1)?;
-            feat = v.matmul(&att.transpose(D::Minus2, D::Minus1)?)?;
-            feat = feat.reshape((b, val_dim, h, w))?;
-            feats_out.push(feat.clone());
-        }
-
-        let xs = Tensor::cat(&feats_out, 1)?;
-        let xs = xs.relu()?.apply(&proj)?;
-
-        Ok(xs)
-    }))
-}
-
-// Used by the downsampling layer
-fn squeeze_and_excitation(
-    in_channels: usize,
-    squeeze_channels: usize,
-    vb: VarBuilder,
-) -> Result<Func<'static>> {
-    let conv2d_cfg = Conv2dConfig {
-        ..Default::default()
-    };
-    let fc1 = conv2d(in_channels, squeeze_channels, 1, conv2d_cfg, vb.pp("fc1"))?;
-    let fc2 = conv2d(squeeze_channels, in_channels, 1, conv2d_cfg, vb.pp("fc2"))?;
-
-    Ok(Func::new(move |xs| {
-        let residual = xs;
-        let xs = xs.mean_keepdim(D::Minus2)?.mean_keepdim(D::Minus1)?;
-        let xs = sigmoid(&xs.apply(&fc1)?.relu()?.apply(&fc2)?)?;
-
-        residual.broadcast_mul(&xs)
-    }))
-}
-
-// Used by the downsampling layer
-fn patchmerge(in_channels: usize, out_channels: usize, vb: VarBuilder) -> Result<Func<'static>> {
-    let dim = in_channels;
-    let hid_dim = in_channels * 4;
-    let conv1 = pointwise_conv(dim, hid_dim, vb.pp("conv1"))?;
-    let conv2 = depthwise_conv(hid_dim, 3, 2, 1, vb.pp("conv2"))?;
-    let conv3 = pointwise_conv(hid_dim, out_channels, vb.pp("conv3"))?;
-    let se = squeeze_and_excitation(hid_dim, hid_dim / 4, vb.pp("se"))?;
-    Ok(Func::new(move |xs| {
-        let xs = xs
-            .apply(&conv1)?
-            .relu()?
-            .apply(&conv2)?
-            .relu()?
-            .apply(&se)?
-            .apply(&conv3)?;
-        Ok(xs)
-    }))
-}
-
-// Used by the downsampling layer
-fn res(dim: usize, vb: VarBuilder) -> Result<Func<'static>> {
-    let dw = depthwise_conv(dim, 3, 1, 1, vb.pp("0.m"))?;
-    let mlp = conv_mlp(dim, dim * 2, vb.pp("1.m"))?;
-    Ok(Func::new(move |xs| {
-        let mut xs = xs.clone();
-        xs = (&xs + &xs.apply(&dw)?)?;
-        xs = (&xs + &xs.apply(&mlp)?)?;
-        Ok(xs)
-    }))
-}
-
-// Downsampling
-fn efficientvit_downsample(
-    in_channels: usize,
-    out_channels: usize,
-    vb: VarBuilder,
-) -> Result<Func<'static>> {
-    let res1 = res(in_channels, vb.pp("res1"))?;
-    let res2 = res(out_channels, vb.pp("res2"))?;
-    let patchmerge = patchmerge(in_channels, out_channels, vb.pp("patchmerge"))?;
-    Ok(Func::new(move |xs| {
-        let xs = xs.apply(&res1)?.apply(&patchmerge)?.apply(&res2)?;
-        Ok(xs)
-    }))
-}
-
-fn efficientvit_block(
-    cfg: &Config,
-    stage: usize,
-    dim: usize,
-    vb: VarBuilder,
-) -> Result<Func<'static>> {
-    let dw0 = depthwise_conv(dim, 3, 1, 1, vb.pp("dw0.m"))?;
-    let dw1 = depthwise_conv(dim, 3, 1, 1, vb.pp("dw1.m"))?;
-    let ffn0 = conv_mlp(dim, dim * 2, vb.pp("ffn0.m"))?;
-    let ffn1 = conv_mlp(dim, dim * 2, vb.pp("ffn1.m"))?;
-    let attn = efficientvit_attn(cfg, stage, dim, vb.pp("mixer.m.attn"))?;
-    Ok(Func::new(move |xs| {
-        let mut xs = xs.clone();
-        xs = (&xs + &xs.apply(&dw0)?)?;
-        xs = (&xs + &xs.apply(&ffn0)?)?;
-        xs = (&xs + &xs.apply(&attn)?)?;
-        xs = (&xs + &xs.apply(&dw1)?)?;
-        xs = (&xs + &xs.apply(&ffn1)?)?;
-        Ok(xs)
-    }))
-}
-
-// Each stage is made of blocks. There is a downsampling layer between stages.
-fn efficientvit_stage(cfg: &Config, stage: usize, vb: VarBuilder) -> Result<Func<'static>> {
-    let nblocks = cfg.blocks[stage];
-    let mut blocks = Vec::with_capacity(nblocks + 1);
-
-    let in_channels = if stage > 0 {
-        cfg.channels[stage - 1]
-    } else {
-        cfg.channels[0]
-    };
-    let out_channels = cfg.channels[stage];
-
-    if stage > 0 {
-        blocks.push(efficientvit_downsample(
-            in_channels,
-            out_channels,
-            vb.pp("downsample"),
-        )?);
-    }
-
-    for i in 0..nblocks {
-        blocks.push(efficientvit_block(
-            cfg,
-            stage,
-            out_channels,
-            vb.pp(format!("blocks.{i}")),
-        )?);
-    }
-
-    Ok(Func::new(move |xs| {
-        let mut xs = xs.clone();
-        for block in blocks.iter() {
-            xs = xs.apply(block)?
-        }
-        Ok(xs)
-    }))
-}
-
-// Classification head.
-fn efficientvit_head(outputs: usize, nclasses: usize, vb: VarBuilder) -> Result<Func<'static>> {
-    let norm = batch_norm(outputs, 1e-6, vb.pp("bn"))?;
-    let linear = linear(outputs, nclasses, vb.pp("linear"))?;
-    Ok(Func::new(move |xs| {
-        xs.apply_t(&norm, false)?.apply(&linear)
-    }))
-}
-
-// Build a efficientvit model for a given configuration.
-fn efficientvit_model(
-    config: &Config,
-    nclasses: Option<usize>,
-    vb: VarBuilder,
-) -> Result<Func<'static>> {
-    let cls = match nclasses {
-        None => None,
-        Some(nclasses) => {
-            let outputs = config.channels[2];
-            let head = efficientvit_head(outputs, nclasses, vb.pp("head"))?;
-            Some(head)
-        }
-    };
-
-    let stem_dim = config.channels[0];
-    let stem = efficientvit_stem(stem_dim, vb.pp("patch_embed"))?;
-
-    let vb = vb.pp("stages");
-    let stage1 = efficientvit_stage(config, 0, vb.pp(0))?;
-    let stage2 = efficientvit_stage(config, 1, vb.pp(1))?;
-    let stage3 = efficientvit_stage(config, 2, vb.pp(2))?;
-
-    Ok(Func::new(move |xs| {
-        let xs = xs
-            .apply(&stem)?
-            .apply(&stage1)?
-            .apply(&stage2)?
-            .apply(&stage3)?
-            .mean(D::Minus2)?
-            .mean(D::Minus1)?;
-        match &cls {
-            None => Ok(xs),
-            Some(cls) => xs.apply(cls),
-        }
-    }))
-}
-
-pub fn efficientvit(cfg: &Config, nclasses: usize, vb: VarBuilder) -> Result<Func<'static>> {
-    efficientvit_model(cfg, Some(nclasses), vb)
-}
-
-pub fn efficientvit_no_final_layer(cfg: &Config, vb: VarBuilder) -> Result<Func<'static>> {
-    efficientvit_model(cfg, None, vb)
-}

candle-transformers/src/models/encodec.rs

@@ -1,773 +0,0 @@
-#![allow(unused)]
-use candle::{DType, IndexOp, Layout, Module, Result, Shape, Tensor, D};
-use candle_nn::{conv1d, Conv1d, Conv1dConfig, ConvTranspose1d, VarBuilder};
-
-// Encodec Model
-// https://github.com/huggingface/transformers/blob/main/src/transformers/models/encodec/modeling_encodec.py
-
-#[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Deserialize)]
-pub enum NormType {
-    WeightNorm,
-    TimeGroupNorm,
-    None,
-}
-
-#[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Deserialize)]
-pub enum PadMode {
-    Constant,
-    Reflect,
-    Replicate,
-}
-
-#[derive(Debug, Clone, PartialEq, serde::Deserialize)]
-pub struct Config {
-    pub target_bandwidths: Vec<f64>,
-    pub sampling_rate: usize,
-    pub audio_channels: usize,
-    pub normalize: bool,
-    pub chunk_length_s: Option<usize>,
-    pub overlap: Option<usize>,
-    pub hidden_size: usize,
-    pub num_filters: usize,
-    pub num_residual_layers: usize,
-    pub upsampling_ratios: Vec<usize>,
-    pub norm_type: NormType,
-    pub kernel_size: usize,
-    pub last_kernel_size: usize,
-    pub residual_kernel_size: usize,
-    pub dilation_growth_rate: usize,
-    pub use_causal_conv: bool,
-    pub pad_mode: PadMode,
-    pub compress: usize,
-    pub num_lstm_layers: usize,
-    pub trim_right_ratio: f64,
-    pub codebook_size: usize,
-    pub codebook_dim: Option<usize>,
-    pub use_conv_shortcut: bool,
-}
-
-impl Default for Config {
-    fn default() -> Self {
-        Self {
-            target_bandwidths: vec![1.5, 3.0, 6.0, 12.0, 24.0],
-            sampling_rate: 24_000,
-            audio_channels: 1,
-            normalize: false,
-            chunk_length_s: None,
-            overlap: None,
-            hidden_size: 128,
-            num_filters: 32,
-            num_residual_layers: 1,
-            upsampling_ratios: vec![8, 5, 4, 2],
-            norm_type: NormType::WeightNorm,
-            kernel_size: 7,
-            last_kernel_size: 7,
-            residual_kernel_size: 3,
-            dilation_growth_rate: 2,
-            use_causal_conv: true,
-            // This should be PadMode::Reflect which is currently unsupported in candle.
-            pad_mode: PadMode::Replicate,
-            compress: 2,
-            num_lstm_layers: 2,
-            trim_right_ratio: 1.0,
-            codebook_size: 1024,
-            codebook_dim: None,
-            use_conv_shortcut: true,
-        }
-    }
-}
-
-impl Config {
-    fn codebook_dim(&self) -> usize {
-        self.codebook_dim.unwrap_or(self.hidden_size)
-    }
-
-    fn frame_rate(&self) -> usize {
-        let hop_length: usize = self.upsampling_ratios.iter().product();
-        (self.sampling_rate + hop_length - 1) / hop_length
-    }
-
-    fn num_quantizers(&self) -> usize {
-        let num = 1000f64
-            * self
-                .target_bandwidths
-                .last()
-                .expect("empty target_bandwidths");
-        (num as usize) / (self.frame_rate() * 10)
-    }
-}
-
-fn get_extra_padding_for_conv1d(
-    xs: &Tensor,
-    k_size: usize,
-    stride: usize,
-    padding_total: usize,
-) -> Result<usize> {
-    let len = xs.dim(D::Minus1)?;
-    let n_frames = (len + padding_total).saturating_sub(k_size) as f64 / stride as f64 + 1.0;
-    let ideal_len =
-        ((n_frames.ceil() as usize - 1) * stride + k_size).saturating_sub(padding_total);
-    Ok(ideal_len.saturating_sub(len))
-}
-
-fn pad1d(xs: &Tensor, pad_l: usize, pad_r: usize, mode: PadMode) -> Result<Tensor> {
-    match mode {
-        PadMode::Constant => xs.pad_with_zeros(D::Minus1, pad_l, pad_r),
-        PadMode::Reflect => candle::bail!("pad-mode 'reflect' is not supported"),
-        PadMode::Replicate => xs.pad_with_same(D::Minus1, pad_l, pad_r),
-    }
-}
-
-// Applies weight norm for inference by recomputing the weight tensor. This
-// does not apply to training.
-// https://pytorch.org/docs/stable/generated/torch.nn.utils.weight_norm.html
-pub fn conv1d_weight_norm(
-    in_c: usize,
-    out_c: usize,
-    kernel_size: usize,
-    config: candle_nn::Conv1dConfig,
-    vb: VarBuilder,
-) -> Result<Conv1d> {
-    let weight_g = vb.get((out_c, 1, 1), "weight_g")?;
-    let weight_v = vb.get((out_c, in_c, kernel_size), "weight_v")?;
-    let norm_v = weight_v.sqr()?.sum_keepdim((1, 2))?.sqrt()?;
-    let weight = weight_v.broadcast_mul(&weight_g)?.broadcast_div(&norm_v)?;
-    let bias = vb.get(out_c, "bias")?;
-    Ok(Conv1d::new(weight, Some(bias), config))
-}
-
-fn conv_transpose1d_weight_norm(
-    in_c: usize,
-    out_c: usize,
-    kernel_size: usize,
-    bias: bool,
-    config: candle_nn::ConvTranspose1dConfig,
-    vb: VarBuilder,
-) -> Result<ConvTranspose1d> {
-    let weight_g = vb.get((in_c, 1, 1), "weight_g")?;
-    let weight_v = vb.get((in_c, out_c, kernel_size), "weight_v")?;
-    let norm_v = weight_v.sqr()?.sum_keepdim((1, 2))?.sqrt()?;
-    let weight = weight_v.broadcast_mul(&weight_g)?.broadcast_div(&norm_v)?;
-    let bias = if bias {
-        Some(vb.get(out_c, "bias")?)
-    } else {
-        None
-    };
-    Ok(ConvTranspose1d::new(weight, bias, config))
-}
-
-struct CodebookEncode;
-
-impl candle::CustomOp2 for CodebookEncode {
-    fn name(&self) -> &'static str {
-        "cb"
-    }
-
-    fn cpu_fwd(
-        &self,
-        lhs_storage: &candle::CpuStorage,
-        lhs_layout: &Layout,
-        rhs_storage: &candle::CpuStorage,
-        rhs_layout: &Layout,
-    ) -> Result<(candle::CpuStorage, Shape)> {
-        use rayon::prelude::*;
-
-        let (lhs_dim1, lhs_dim2) = lhs_layout.shape().dims2()?;
-        let (rhs_dim1, rhs_dim2) = rhs_layout.shape().dims2()?;
-        if lhs_dim2 != rhs_dim2 {
-            candle::bail!("CodebookEncode, mismatch on last dim, {lhs_layout:?} {rhs_layout:?}");
-        }
-        if lhs_dim2 == 0 {
-            candle::bail!("CodebookEncode, empty last dim {lhs_layout:?}")
-        }
-        let lhs = match lhs_layout.contiguous_offsets() {
-            None => candle::bail!("CodebookEncode, lhs has to be contiguous, got {lhs_layout:?}"),
-            Some((o1, o2)) => {
-                let slice = lhs_storage.as_slice::<f32>()?;
-                &slice[o1..o2]
-            }
-        };
-        let rhs = match rhs_layout.contiguous_offsets() {
-            None => candle::bail!("CodebookEncode, rhs has to be contiguous, got {rhs_layout:?}"),
-            Some((o1, o2)) => {
-                let slice = rhs_storage.as_slice::<f32>()?;
-                &slice[o1..o2]
-            }
-        };
-        let dst = (0..lhs_dim1)
-            .into_par_iter()
-            .map(|idx1| {
-                let mut where_min = 0;
-                let mut min_dist = f32::INFINITY;
-                let lhs = &lhs[idx1 * lhs_dim2..(idx1 + 1) * lhs_dim2];
-                for idx2 in 0..rhs_dim1 {
-                    let rhs = &rhs[idx2 * rhs_dim2..(idx2 + 1) * rhs_dim2];
-                    let mut dist = 0f32;
-                    for (a, b) in lhs.iter().zip(rhs.iter()) {
-                        dist += (a - b) * (a - b)
-                    }
-                    if dist < min_dist {
-                        min_dist = dist;
-                        where_min = idx2;
-                    }
-                }
-                where_min as u32
-            })
-            .collect();
-        let storage = candle::WithDType::to_cpu_storage_owned(dst);
-        Ok((storage, (lhs_dim1,).into()))
-    }
-}
-
-// https://github.com/huggingface/transformers/blob/abaca9f9432a84cfaa95531de4c72334f38a42f2/src/transformers/models/encodec/modeling_encodec.py#L340
-#[derive(Clone, Debug)]
-pub struct EuclideanCodebook {
-    inited: Tensor,
-    cluster_size: Tensor,
-    embed: candle_nn::Embedding,
-    embed_avg: Tensor,
-    c2: Tensor,
-}
-
-impl EuclideanCodebook {
-    pub fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let inited = vb.get(1, "inited")?;
-        let cluster_size = vb.get(cfg.codebook_size, "cluster_size")?;
-        let e_shape = (cfg.codebook_size, cfg.codebook_dim());
-        let embed = vb.get(e_shape, "embed")?;
-        let c2 = ((&embed * &embed)?.sum(D::Minus1)? / 2.0)?;
-        let embed_avg = vb.get(e_shape, "embed_avg")?;
-        Ok(Self {
-            inited,
-            cluster_size,
-            embed: candle_nn::Embedding::new(embed, cfg.codebook_dim()),
-            embed_avg,
-            c2,
-        })
-    }
-
-    pub fn encode_slow(&self, xs: &Tensor) -> Result<Tensor> {
-        let mut target_shape = xs.dims().to_vec();
-        target_shape.pop();
-        let xs = xs.flatten_to(D::Minus2)?;
-        let _ = xs.dims2()?;
-        let dot_prod = xs.matmul(&self.embed.embeddings().t()?)?;
-        let codes = self.c2.broadcast_sub(&dot_prod)?.argmin(D::Minus1)?;
-        codes.reshape(target_shape)
-    }
-
-    pub fn encode(&self, xs: &Tensor) -> Result<Tensor> {
-        let mut target_shape = xs.dims().to_vec();
-        target_shape.pop();
-        let xs = xs.flatten_to(D::Minus2)?;
-        let _ = xs.dims2()?;
-        let codes = Tensor::apply_op2(&xs, self.embed.embeddings(), CodebookEncode)?;
-        codes.reshape(target_shape)
-    }
-
-    pub fn decode(&self, embed_ind: &Tensor) -> Result<Tensor> {
-        let quantize = self.embed.forward(embed_ind)?;
-        Ok(quantize)
-    }
-}
-
-#[derive(Clone, Debug)]
-pub struct VectorQuantization {
-    codebook: EuclideanCodebook,
-}
-
-impl VectorQuantization {
-    pub fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let codebook = EuclideanCodebook::new(cfg, vb.pp("codebook"))?;
-        Ok(Self { codebook })
-    }
-
-    pub fn encode(&self, xs: &Tensor) -> Result<Tensor> {
-        let xs = xs.transpose(1, 2)?;
-        self.codebook.encode_slow(&xs)
-    }
-
-    pub fn decode(&self, embed_ind: &Tensor) -> Result<Tensor> {
-        let quantize = self.codebook.decode(embed_ind)?;
-        let quantize = quantize.transpose(1, 2)?;
-        Ok(quantize)
-    }
-}
-
-#[derive(Clone, Debug)]
-pub struct ResidualVectorQuantizer {
-    layers: Vec<VectorQuantization>,
-    dtype: DType,
-}
-
-impl ResidualVectorQuantizer {
-    pub fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let vb = &vb.pp("layers");
-        let layers = (0..cfg.num_quantizers())
-            .map(|i| VectorQuantization::new(cfg, vb.pp(i)))
-            .collect::<Result<Vec<_>>>()?;
-        Ok(Self {
-            layers,
-            dtype: vb.dtype(),
-        })
-    }
-
-    pub fn encode(&self, xs: &Tensor) -> Result<Tensor> {
-        let mut codes = Vec::with_capacity(self.layers.len());
-        let mut residual = xs.clone();
-        for layer in self.layers.iter() {
-            let indices = layer.encode(&residual)?;
-            let quantized = layer.decode(&indices)?;
-            residual = (residual - quantized)?;
-            codes.push(indices)
-        }
-        Tensor::stack(&codes, 0)
-    }
-
-    pub fn decode(&self, codes: &Tensor) -> Result<Tensor> {
-        let mut quantized_out = Tensor::zeros((), self.dtype, codes.device())?;
-        let ncodes = codes.dim(0)?;
-        if ncodes > self.layers.len() {
-            candle::bail!(
-                "codes shape {:?} does not match the number of quantization layers {}",
-                codes.shape(),
-                self.layers.len()
-            )
-        }
-        for (i, layer) in self.layers.iter().take(ncodes).enumerate() {
-            let quantized = layer.decode(&codes.i(i)?)?;
-            quantized_out = quantized.broadcast_add(&quantized_out)?;
-        }
-        Ok(quantized_out)
-    }
-}
-
-// https://github.com/huggingface/transformers/blob/abaca9f9432a84cfaa95531de4c72334f38a42f2/src/transformers/models/encodec/modeling_encodec.py#L226
-#[derive(Clone, Debug)]
-pub struct EncodecLSTM {
-    layers: Vec<candle_nn::LSTM>,
-}
-
-impl EncodecLSTM {
-    pub fn new(dim: usize, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let vb = &vb.pp("lstm");
-        let mut layers = vec![];
-        for layer_idx in 0..cfg.num_lstm_layers {
-            let config = candle_nn::LSTMConfig {
-                layer_idx,
-                ..Default::default()
-            };
-            let lstm = candle_nn::lstm(dim, dim, config, vb.clone())?;
-            layers.push(lstm)
-        }
-        Ok(Self { layers })
-    }
-}
-
-impl Module for EncodecLSTM {
-    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-        use candle_nn::RNN;
-        // This is different from the Python transformers version as candle LSTM is batch first.
-        let xs = xs.t()?;
-        let residual = &xs;
-        let mut xs = xs.clone();
-        for layer in self.layers.iter() {
-            let states = layer.seq(&xs)?;
-            xs = layer.states_to_tensor(&states)?;
-        }
-        let xs = (xs + residual)?.t()?;
-        Ok(xs)
-    }
-}
-
-#[derive(Clone, Debug)]
-pub struct EncodecConvTranspose1d {
-    conv: ConvTranspose1d,
-}
-
-impl EncodecConvTranspose1d {
-    fn new(
-        in_c: usize,
-        out_c: usize,
-        k: usize,
-        stride: usize,
-        _cfg: &Config,
-        vb: VarBuilder,
-    ) -> Result<Self> {
-        let cfg = candle_nn::ConvTranspose1dConfig {
-            stride,
-            ..Default::default()
-        };
-        let conv = conv_transpose1d_weight_norm(in_c, out_c, k, true, cfg, vb.pp("conv"))?;
-        Ok(Self { conv })
-    }
-}
-
-impl Module for EncodecConvTranspose1d {
-    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-        xs.apply(&self.conv)
-    }
-}
-
-#[derive(Clone, Debug)]
-pub struct EncodecConv1d {
-    causal: bool,
-    conv: Conv1d,
-    norm: Option<candle_nn::GroupNorm>,
-    pad_mode: PadMode,
-}
-
-impl EncodecConv1d {
-    pub fn new(
-        in_c: usize,
-        out_c: usize,
-        kernel_size: usize,
-        stride: usize,
-        dilation: usize,
-        cfg: &Config,
-        vb: VarBuilder,
-    ) -> Result<Self> {
-        let conv = match cfg.norm_type {
-            NormType::WeightNorm => conv1d_weight_norm(
-                in_c,
-                out_c,
-                kernel_size,
-                candle_nn::Conv1dConfig {
-                    stride,
-                    dilation,
-                    ..Default::default()
-                },
-                vb.pp("conv"),
-            )?,
-            NormType::None | NormType::TimeGroupNorm => conv1d(
-                in_c,
-                out_c,
-                kernel_size,
-                candle_nn::Conv1dConfig {
-                    padding: 0,
-                    stride,
-                    groups: 1,
-                    dilation: 1,
-                },
-                vb.pp("conv"),
-            )?,
-        };
-        let norm = match cfg.norm_type {
-            NormType::None | NormType::WeightNorm => None,
-            NormType::TimeGroupNorm => {
-                let gn = candle_nn::group_norm(1, out_c, 1e-5, vb.pp("norm"))?;
-                Some(gn)
-            }
-        };
-        Ok(Self {
-            causal: cfg.use_causal_conv,
-            conv,
-            norm,
-            pad_mode: cfg.pad_mode,
-        })
-    }
-}
-
-impl Module for EncodecConv1d {
-    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-        let (_b, _t, _c) = xs.dims3()?;
-        let k_size = self.conv.weight().dim(D::Minus1)?;
-        let conv_cfg = self.conv.config();
-        // Effective kernel size with dilations.
-        let k_size = (k_size - 1) * conv_cfg.dilation + 1;
-        let padding_total = k_size - conv_cfg.stride;
-        let extra_padding =
-            get_extra_padding_for_conv1d(xs, k_size, conv_cfg.stride, padding_total)?;
-        let xs = if self.causal {
-            pad1d(xs, padding_total, extra_padding, self.pad_mode)?
-        } else {
-            let padding_right = padding_total / 2;
-            let padding_left = padding_total - padding_right;
-            pad1d(
-                xs,
-                padding_left,
-                padding_right + extra_padding,
-                self.pad_mode,
-            )?
-        };
-        let xs = self.conv.forward(&xs)?;
-        match &self.norm {
-            None => Ok(xs),
-            Some(norm) => xs.apply(norm),
-        }
-    }
-}
-
-#[derive(Clone, Debug)]
-pub struct EncodecResnetBlock {
-    block_conv1: EncodecConv1d,
-    block_conv2: EncodecConv1d,
-    shortcut: Option<EncodecConv1d>,
-}
-
-impl EncodecResnetBlock {
-    pub fn new(
-        dim: usize,
-        (dilation1, dilation2): (usize, usize),
-        cfg: &Config,
-        vb: VarBuilder,
-    ) -> Result<Self> {
-        let h = dim / cfg.compress;
-        let mut layer = Layer::new(vb.pp("block"));
-        // TODO: Apply dilations!
-        layer.inc();
-        let block_conv1 = EncodecConv1d::new(
-            dim,
-            h,
-            cfg.residual_kernel_size,
-            1,
-            dilation1,
-            cfg,
-            layer.next(),
-        )?;
-        layer.inc();
-        let block_conv2 = EncodecConv1d::new(h, dim, 1, 1, dilation2, cfg, layer.next())?;
-        let shortcut = if cfg.use_conv_shortcut {
-            let conv = EncodecConv1d::new(dim, dim, 1, 1, 1, cfg, vb.pp("shortcut"))?;
-            Some(conv)
-        } else {
-            None
-        };
-        Ok(Self {
-            block_conv1,
-            block_conv2,
-            shortcut,
-        })
-    }
-}
-
-impl Module for EncodecResnetBlock {
-    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-        let residual = xs.clone();
-        let xs = xs.elu(1.)?;
-        let xs = self.block_conv1.forward(&xs)?;
-        let xs = xs.elu(1.)?;
-        let xs = self.block_conv2.forward(&xs)?;
-        let xs = match &self.shortcut {
-            None => (xs + residual)?,
-            Some(shortcut) => xs.add(&shortcut.forward(&residual)?)?,
-        };
-        Ok(xs)
-    }
-}
-
-struct Layer<'a> {
-    vb: VarBuilder<'a>,
-    cnt: usize,
-}
-
-impl<'a> Layer<'a> {
-    fn new(vb: VarBuilder<'a>) -> Self {
-        Self { vb, cnt: 0 }
-    }
-
-    fn inc(&mut self) {
-        self.cnt += 1;
-    }
-
-    fn next(&mut self) -> VarBuilder {
-        let vb = self.vb.pp(&self.cnt.to_string());
-        self.cnt += 1;
-        vb
-    }
-}
-
-#[derive(Clone, Debug)]
-pub struct Encoder {
-    init_conv: EncodecConv1d,
-    sampling_layers: Vec<(Vec<EncodecResnetBlock>, EncodecConv1d)>,
-    final_lstm: EncodecLSTM,
-    final_conv: EncodecConv1d,
-}
-
-impl Encoder {
-    pub fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let mut layer = Layer::new(vb.pp("layers"));
-        let init_conv = EncodecConv1d::new(
-            cfg.audio_channels,
-            cfg.num_filters,
-            cfg.kernel_size,
-            1,
-            1,
-            cfg,
-            layer.next(),
-        )?;
-        let mut sampling_layers = vec![];
-        let mut scaling = 1;
-        for &ratio in cfg.upsampling_ratios.iter().rev() {
-            let current_scale = scaling * cfg.num_filters;
-            let mut resnets = vec![];
-            for j in 0..(cfg.num_residual_layers as u32) {
-                let resnet = EncodecResnetBlock::new(
-                    current_scale,
-                    (cfg.dilation_growth_rate.pow(j), 1),
-                    cfg,
-                    layer.next(),
-                )?;
-                resnets.push(resnet)
-            }
-            layer.inc(); // ELU
-            let conv1d = EncodecConv1d::new(
-                current_scale,
-                current_scale * 2,
-                ratio * 2,
-                ratio,
-                1,
-                cfg,
-                layer.next(),
-            )?;
-            sampling_layers.push((resnets, conv1d));
-            scaling *= 2;
-        }
-        let final_lstm = EncodecLSTM::new(cfg.num_filters * scaling, cfg, layer.next())?;
-        layer.inc(); // ELU
-        let final_conv = EncodecConv1d::new(
-            cfg.num_filters * scaling,
-            cfg.hidden_size,
-            cfg.last_kernel_size,
-            1,
-            1,
-            cfg,
-            layer.next(),
-        )?;
-        Ok(Self {
-            init_conv,
-            sampling_layers,
-            final_conv,
-            final_lstm,
-        })
-    }
-}
-
-impl Module for Encoder {
-    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-        let mut xs = xs.apply(&self.init_conv)?;
-        for (resnets, conv) in self.sampling_layers.iter() {
-            for resnet in resnets.iter() {
-                xs = xs.apply(resnet)?;
-            }
-            xs = xs.elu(1.0)?.apply(conv)?;
-        }
-        xs.apply(&self.final_lstm)?
-            .elu(1.0)?
-            .apply(&self.final_conv)
-    }
-}
-
-#[derive(Clone, Debug)]
-pub struct Decoder {
-    init_conv: EncodecConv1d,
-    init_lstm: EncodecLSTM,
-    sampling_layers: Vec<(EncodecConvTranspose1d, Vec<EncodecResnetBlock>)>,
-    final_conv: EncodecConv1d,
-}
-
-impl Decoder {
-    pub fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let mut layer = Layer::new(vb.pp("layers"));
-        let mut scaling = usize::pow(2, cfg.upsampling_ratios.len() as u32);
-        let init_conv = EncodecConv1d::new(
-            cfg.hidden_size,
-            cfg.num_filters * scaling,
-            cfg.last_kernel_size,
-            1,
-            1,
-            cfg,
-            layer.next(),
-        )?;
-        let init_lstm = EncodecLSTM::new(cfg.num_filters * scaling, cfg, layer.next())?;
-        let mut sampling_layers = vec![];
-        for &ratio in cfg.upsampling_ratios.iter() {
-            let current_scale = scaling * cfg.num_filters;
-            layer.inc(); // ELU
-            let conv1d = EncodecConvTranspose1d::new(
-                current_scale,
-                current_scale / 2,
-                ratio * 2,
-                ratio,
-                cfg,
-                layer.next(),
-            )?;
-            let mut resnets = vec![];
-            for j in 0..(cfg.num_residual_layers as u32) {
-                let resnet = EncodecResnetBlock::new(
-                    current_scale / 2,
-                    (cfg.dilation_growth_rate.pow(j), 1),
-                    cfg,
-                    layer.next(),
-                )?;
-                resnets.push(resnet)
-            }
-            sampling_layers.push((conv1d, resnets));
-            scaling /= 2;
-        }
-        layer.inc(); // ELU
-        let final_conv = EncodecConv1d::new(
-            cfg.num_filters,
-            cfg.audio_channels,
-            cfg.last_kernel_size,
-            1,
-            1,
-            cfg,
-            layer.next(),
-        )?;
-        Ok(Self {
-            init_conv,
-            init_lstm,
-            sampling_layers,
-            final_conv,
-        })
-    }
-}
-
-impl Module for Decoder {
-    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-        let mut xs = xs.apply(&self.init_conv)?.apply(&self.init_lstm)?;
-        for (conv, resnets) in self.sampling_layers.iter() {
-            xs = xs.elu(1.)?.apply(conv)?;
-            for resnet in resnets.iter() {
-                xs = xs.apply(resnet)?
-            }
-        }
-        xs.elu(1.)?.apply(&self.final_conv)
-    }
-}
-
-#[derive(Debug)]
-pub struct Model {
-    encoder: Encoder,
-    decoder: Decoder,
-    quantizer: ResidualVectorQuantizer,
-}
-
-impl Model {
-    pub fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let encoder = Encoder::new(cfg, vb.pp("encoder"))?;
-        let decoder = Decoder::new(cfg, vb.pp("decoder"))?;
-        let quantizer = ResidualVectorQuantizer::new(cfg, vb.pp("quantizer"))?;
-        Ok(Self {
-            encoder,
-            decoder,
-            quantizer,
-        })
-    }
-
-    pub fn encode(&self, xs: &Tensor) -> Result<Tensor> {
-        let xs = self.encoder.forward(xs)?;
-        let codes = self.quantizer.encode(&xs)?;
-        codes.transpose(0, 1)
-    }
-
-    pub fn decode(&self, codes: &Tensor) -> Result<Tensor> {
-        let (_b_sz, _codebooks, _seqlen) = codes.dims3()?;
-        let codes = codes.transpose(0, 1)?;
-        let embeddings = self.quantizer.decode(&codes)?;
-        let outputs = self.decoder.forward(&embeddings)?;
-        Ok(outputs)
-    }
-}

candle-transformers/src/models/falcon.rs

@@ -1,8 +1,18 @@
 use candle::{DType, Device, Result, Tensor, D};
-use candle_nn::{embedding, linear_b as linear, Embedding, LayerNorm, Linear, Module, VarBuilder};
+use candle_nn::{embedding, Embedding, LayerNorm, Linear, Module, VarBuilder};
 
 const MAX_SEQ_LEN: usize = 5000;
 
+fn linear(size1: usize, size2: usize, bias: bool, vb: VarBuilder) -> Result<Linear> {
+    let weight = vb.get((size2, size1), "weight")?;
+    let bias = if bias {
+        Some(vb.get(size2, "bias")?)
+    } else {
+        None
+    };
+    Ok(Linear::new(weight, bias))
+}
+
 fn layer_norm(size: usize, eps: f64, vb: VarBuilder) -> Result<LayerNorm> {
     let (weight, bias) = match (vb.get(size, "weight"), vb.get(size, "bias")) {
         (Ok(weight), Ok(bias)) => (weight, bias),

candle-transformers/src/models/gemma.rs

@@ -1,381 +0,0 @@
-use std::sync::Arc;
-
-use candle::{DType, Device, Module, Result, Tensor, D};
-use candle_nn::{linear_b as linear, Linear, VarBuilder};
-
-fn default_max_position_embeddings() -> usize {
-    4096
-}
-
-#[derive(serde::Deserialize, Debug, Clone)]
-pub struct Config {
-    pub attention_bias: bool,
-    pub head_dim: usize,
-    pub hidden_act: candle_nn::Activation,
-    pub hidden_size: usize,
-    pub intermediate_size: usize,
-    pub num_attention_heads: usize,
-    pub num_hidden_layers: usize,
-    pub num_key_value_heads: usize,
-    pub rms_norm_eps: f64,
-    pub rope_theta: f64,
-    pub vocab_size: usize,
-
-    #[serde(default = "default_max_position_embeddings")]
-    pub max_position_embeddings: usize,
-}
-
-#[derive(Debug, Clone)]
-struct RmsNorm {
-    weight: Tensor,
-    eps: f64,
-}
-
-impl RmsNorm {
-    fn new(dim: usize, eps: f64, vb: VarBuilder) -> Result<Self> {
-        let weight = vb.get(dim, "weight")?;
-        Ok(Self { weight, eps })
-    }
-}
-
-impl Module for RmsNorm {
-    fn forward(&self, x: &Tensor) -> Result<Tensor> {
-        let x_dtype = x.dtype();
-        let internal_dtype = match x_dtype {
-            DType::F16 | DType::BF16 => DType::F32,
-            d => d,
-        };
-        let hidden_size = x.dim(D::Minus1)?;
-        let x = x.to_dtype(internal_dtype)?;
-        let norm_x = (x.sqr()?.sum_keepdim(D::Minus1)? / hidden_size as f64)?;
-        let x_normed = x.broadcast_div(&(norm_x + self.eps)?.sqrt()?)?;
-        x_normed
-            .to_dtype(x_dtype)?
-            .broadcast_mul(&(&self.weight + 1.0)?)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct RotaryEmbedding {
-    sin: Tensor,
-    cos: Tensor,
-}
-
-fn rotate_half(xs: &Tensor) -> Result<Tensor> {
-    let last_dim = xs.dim(D::Minus1)?;
-    let xs1 = xs.narrow(D::Minus1, 0, last_dim / 2)?;
-    let xs2 = xs.narrow(D::Minus1, last_dim / 2, last_dim - last_dim / 2)?;
-    Tensor::cat(&[&xs2.neg()?, &xs1], D::Minus1)
-}
-
-impl RotaryEmbedding {
-    fn new(dtype: DType, cfg: &Config, dev: &Device) -> Result<Self> {
-        let dim = cfg.head_dim;
-        let max_seq_len = cfg.max_position_embeddings;
-        let inv_freq: Vec<_> = (0..dim)
-            .step_by(2)
-            .map(|i| 1f32 / cfg.rope_theta.powf(i as f64 / dim as f64) as f32)
-            .collect();
-        let inv_freq_len = inv_freq.len();
-        let inv_freq = Tensor::from_vec(inv_freq, (1, inv_freq_len), dev)?.to_dtype(dtype)?;
-        let t = Tensor::arange(0u32, max_seq_len as u32, dev)?
-            .to_dtype(dtype)?
-            .reshape((max_seq_len, 1))?;
-        let freqs = t.matmul(&inv_freq)?;
-        let freqs = Tensor::cat(&[&freqs, &freqs], D::Minus1)?;
-        Ok(Self {
-            sin: freqs.sin()?,
-            cos: freqs.cos()?,
-        })
-    }
-
-    fn apply_rotary_emb_qkv(
-        &self,
-        q: &Tensor,
-        k: &Tensor,
-        seqlen_offset: usize,
-    ) -> Result<(Tensor, Tensor)> {
-        let (_b_sz, _h, seq_len, _n_embd) = q.dims4()?;
-        let cos = self.cos.narrow(0, seqlen_offset, seq_len)?;
-        let sin = self.sin.narrow(0, seqlen_offset, seq_len)?;
-        let cos = cos.unsqueeze(0)?.unsqueeze(0)?; // (1, 1, seq_len, dim)
-        let sin = sin.unsqueeze(0)?.unsqueeze(0)?; // (1, 1, seq_len, dim)
-        let q_embed = (q.broadcast_mul(&cos)? + rotate_half(q)?.broadcast_mul(&sin))?;
-        let k_embed = (k.broadcast_mul(&cos)? + rotate_half(k)?.broadcast_mul(&sin))?;
-        Ok((q_embed, k_embed))
-    }
-}
-
-#[derive(Debug, Clone)]
-#[allow(clippy::upper_case_acronyms)]
-struct MLP {
-    gate_proj: Linear,
-    up_proj: Linear,
-    down_proj: Linear,
-    act_fn: candle_nn::Activation,
-}
-
-impl MLP {
-    fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let hidden_sz = cfg.hidden_size;
-        let intermediate_sz = cfg.intermediate_size;
-        let gate_proj = linear(hidden_sz, intermediate_sz, false, vb.pp("gate_proj"))?;
-        let up_proj = linear(hidden_sz, intermediate_sz, false, vb.pp("up_proj"))?;
-        let down_proj = linear(intermediate_sz, hidden_sz, false, vb.pp("down_proj"))?;
-        Ok(Self {
-            gate_proj,
-            up_proj,
-            down_proj,
-            act_fn: cfg.hidden_act,
-        })
-    }
-}
-
-impl Module for MLP {
-    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-        let lhs = xs.apply(&self.gate_proj)?.apply(&self.act_fn)?;
-        let rhs = xs.apply(&self.up_proj)?;
-        (lhs * rhs)?.apply(&self.down_proj)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct Attention {
-    q_proj: Linear,
-    k_proj: Linear,
-    v_proj: Linear,
-    o_proj: Linear,
-    num_heads: usize,
-    num_kv_heads: usize,
-    num_kv_groups: usize,
-    head_dim: usize,
-    rotary_emb: Arc<RotaryEmbedding>,
-    kv_cache: Option<(Tensor, Tensor)>,
-}
-
-impl Attention {
-    fn new(rotary_emb: Arc<RotaryEmbedding>, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let hidden_sz = cfg.hidden_size;
-        let num_heads = cfg.num_attention_heads;
-        let num_kv_heads = cfg.num_key_value_heads;
-        let num_kv_groups = num_heads / num_kv_heads;
-        let head_dim = cfg.head_dim;
-        let bias = cfg.attention_bias;
-        let q_proj = linear(hidden_sz, num_heads * head_dim, bias, vb.pp("q_proj"))?;
-        let k_proj = linear(hidden_sz, num_kv_heads * head_dim, bias, vb.pp("k_proj"))?;
-        let v_proj = linear(hidden_sz, num_kv_heads * head_dim, bias, vb.pp("v_proj"))?;
-        let o_proj = linear(num_heads * head_dim, hidden_sz, bias, vb.pp("o_proj"))?;
-        Ok(Self {
-            q_proj,
-            k_proj,
-            v_proj,
-            o_proj,
-            num_heads,
-            num_kv_heads,
-            num_kv_groups,
-            head_dim,
-            rotary_emb,
-            kv_cache: None,
-        })
-    }
-
-    fn repeat_kv(&self, xs: Tensor) -> Result<Tensor> {
-        let n_rep = self.num_kv_groups;
-        if n_rep == 1 {
-            Ok(xs)
-        } else {
-            let (b_sz, num_kv_heads, seq_len, head_dim) = xs.dims4()?;
-            xs.unsqueeze(2)?
-                .expand((b_sz, num_kv_heads, n_rep, seq_len, head_dim))?
-                .reshape((b_sz, num_kv_heads * n_rep, seq_len, head_dim))
-        }
-    }
-
-    fn forward(
-        &mut self,
-        xs: &Tensor,
-        attention_mask: Option<&Tensor>,
-        seqlen_offset: usize,
-    ) -> Result<Tensor> {
-        let (b_sz, q_len, _) = xs.dims3()?;
-
-        let query_states = self.q_proj.forward(xs)?;
-        let key_states = self.k_proj.forward(xs)?;
-        let value_states = self.v_proj.forward(xs)?;
-
-        let query_states = query_states
-            .reshape((b_sz, q_len, self.num_heads, self.head_dim))?
-            .transpose(1, 2)?;
-        let key_states = key_states
-            .reshape((b_sz, q_len, self.num_kv_heads, self.head_dim))?
-            .transpose(1, 2)?;
-        let value_states = value_states
-            .reshape((b_sz, q_len, self.num_kv_heads, self.head_dim))?
-            .transpose(1, 2)?;
-
-        let (query_states, key_states) =
-            self.rotary_emb
-                .apply_rotary_emb_qkv(&query_states, &key_states, seqlen_offset)?;
-
-        let (key_states, value_states) = match &self.kv_cache {
-            None => (key_states, value_states),
-            Some((prev_k, prev_v)) => {
-                let key_states = Tensor::cat(&[prev_k, &key_states], 2)?;
-                let value_states = Tensor::cat(&[prev_v, &value_states], 2)?;
-                (key_states, value_states)
-            }
-        };
-        self.kv_cache = Some((key_states.clone(), value_states.clone()));
-
-        let key_states = self.repeat_kv(key_states)?.contiguous()?;
-        let value_states = self.repeat_kv(value_states)?.contiguous()?;
-
-        let attn_output = {
-            let scale = 1f64 / f64::sqrt(self.head_dim as f64);
-            let attn_weights = (query_states.matmul(&key_states.transpose(2, 3)?)? * scale)?;
-
-            let attn_weights = match attention_mask {
-                None => attn_weights,
-                Some(mask) => attn_weights.broadcast_add(mask)?,
-            };
-            let attn_weights = candle_nn::ops::softmax_last_dim(&attn_weights)?;
-            attn_weights.matmul(&value_states)?
-        };
-        attn_output
-            .transpose(1, 2)?
-            .reshape((b_sz, q_len, ()))?
-            .apply(&self.o_proj)
-    }
-
-    fn clear_kv_cache(&mut self) {
-        self.kv_cache = None
-    }
-}
-
-#[derive(Debug, Clone)]
-struct DecoderLayer {
-    self_attn: Attention,
-    mlp: MLP,
-    input_layernorm: RmsNorm,
-    post_attention_layernorm: RmsNorm,
-}
-
-impl DecoderLayer {
-    fn new(rotary_emb: Arc<RotaryEmbedding>, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let self_attn = Attention::new(rotary_emb, cfg, vb.pp("self_attn"))?;
-        let mlp = MLP::new(cfg, vb.pp("mlp"))?;
-        let input_layernorm =
-            RmsNorm::new(cfg.hidden_size, cfg.rms_norm_eps, vb.pp("input_layernorm"))?;
-        let post_attention_layernorm = RmsNorm::new(
-            cfg.hidden_size,
-            cfg.rms_norm_eps,
-            vb.pp("post_attention_layernorm"),
-        )?;
-        Ok(Self {
-            self_attn,
-            mlp,
-            input_layernorm,
-            post_attention_layernorm,
-        })
-    }
-
-    fn forward(
-        &mut self,
-        xs: &Tensor,
-        attention_mask: Option<&Tensor>,
-        seqlen_offset: usize,
-    ) -> Result<Tensor> {
-        let residual = xs;
-        let xs = self.input_layernorm.forward(xs)?;
-        let xs = self.self_attn.forward(&xs, attention_mask, seqlen_offset)?;
-        let xs = (xs + residual)?;
-        let residual = &xs;
-        let xs = xs.apply(&self.post_attention_layernorm)?.apply(&self.mlp)?;
-        residual + xs
-    }
-
-    fn clear_kv_cache(&mut self) {
-        self.self_attn.clear_kv_cache()
-    }
-}
-
-#[derive(Debug, Clone)]
-pub struct Model {
-    embed_tokens: candle_nn::Embedding,
-    layers: Vec<DecoderLayer>,
-    norm: RmsNorm,
-    lm_head: Linear,
-    device: Device,
-    dtype: DType,
-    hidden_size: usize,
-}
-
-impl Model {
-    pub fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let vb_m = vb.pp("model");
-        let embed_tokens =
-            candle_nn::embedding(cfg.vocab_size, cfg.hidden_size, vb_m.pp("embed_tokens"))?;
-        let rotary_emb = Arc::new(RotaryEmbedding::new(vb.dtype(), cfg, vb_m.device())?);
-        let mut layers = Vec::with_capacity(cfg.num_hidden_layers);
-        let vb_l = vb_m.pp("layers");
-        for layer_idx in 0..cfg.num_hidden_layers {
-            let layer = DecoderLayer::new(rotary_emb.clone(), cfg, vb_l.pp(layer_idx))?;
-            layers.push(layer)
-        }
-        let norm = RmsNorm::new(cfg.hidden_size, cfg.rms_norm_eps, vb_m.pp("norm"))?;
-        let lm_head = Linear::new(embed_tokens.embeddings().clone(), None);
-        Ok(Self {
-            embed_tokens,
-            layers,
-            norm,
-            lm_head,
-            device: vb.device().clone(),
-            dtype: vb.dtype(),
-            hidden_size: cfg.hidden_size,
-        })
-    }
-
-    fn prepare_decoder_attention_mask(
-        &self,
-        b_size: usize,
-        tgt_len: usize,
-        seqlen_offset: usize,
-    ) -> Result<Tensor> {
-        let mask: Vec<_> = (0..tgt_len)
-            .flat_map(|i| (0..tgt_len).map(move |j| if i < j { f32::NEG_INFINITY } else { 0. }))
-            .collect();
-        let mask = Tensor::from_slice(&mask, (tgt_len, tgt_len), &self.device)?;
-        let mask = if seqlen_offset > 0 {
-            let mask0 = Tensor::zeros((tgt_len, seqlen_offset), DType::F32, &self.device)?;
-            Tensor::cat(&[&mask0, &mask], D::Minus1)?
-        } else {
-            mask
-        };
-        mask.expand((b_size, 1, tgt_len, tgt_len + seqlen_offset))?
-            .to_dtype(self.dtype)
-    }
-
-    pub fn forward(&mut self, input_ids: &Tensor, seqlen_offset: usize) -> Result<Tensor> {
-        let (b_size, seq_len) = input_ids.dims2()?;
-        let attention_mask = if seq_len <= 1 {
-            None
-        } else {
-            let mask = self.prepare_decoder_attention_mask(b_size, seq_len, seqlen_offset)?;
-            Some(mask)
-        };
-        let xs = self.embed_tokens.forward(input_ids)?;
-        let mut xs = (xs * (self.hidden_size as f64).sqrt())?;
-        for layer in self.layers.iter_mut() {
-            xs = layer.forward(&xs, attention_mask.as_ref(), seqlen_offset)?
-        }
-        xs.narrow(1, seq_len - 1, 1)?
-            .apply(&self.norm)?
-            .apply(&self.lm_head)
-    }
-
-    pub fn clear_kv_cache(&mut self) {
-        for layer in self.layers.iter_mut() {
-            layer.clear_kv_cache()
-        }
-    }
-}

candle-transformers/src/models/llama.rs

@@ -2,6 +2,7 @@ use super::with_tracing::{linear_no_bias as linear, Linear};
 use candle::{DType, Device, IndexOp, Result, Tensor, D};
 use candle_nn::{embedding, Embedding, Module, VarBuilder};
 use std::collections::HashMap;
+use std::sync::{Arc, Mutex};
 
 pub const MAX_SEQ_LEN: usize = 4096;
 
@@ -83,9 +84,10 @@ impl Config {
 
 #[derive(Debug, Clone)]
 pub struct Cache {
-    masks: HashMap<usize, Tensor>,
+    masks: Arc<Mutex<HashMap<usize, Tensor>>>,
     pub use_kv_cache: bool,
-    kvs: Vec<Option<(Tensor, Tensor)>>,
+    #[allow(clippy::type_complexity)]
+    kvs: Arc<Mutex<Vec<Option<(Tensor, Tensor)>>>>,
     cos: Tensor,
     sin: Tensor,
     device: Device,
@@ -110,24 +112,25 @@ impl Cache {
         let cos = idx_theta.cos()?.to_dtype(dtype)?;
         let sin = idx_theta.sin()?.to_dtype(dtype)?;
         Ok(Self {
-            masks: HashMap::new(),
+            masks: Arc::new(Mutex::new(HashMap::new())),
             use_kv_cache,
-            kvs: vec![None; config.num_hidden_layers],
+            kvs: Arc::new(Mutex::new(vec![None; config.num_hidden_layers])),
             device: device.clone(),
             cos,
             sin,
         })
     }
 
-    fn mask(&mut self, t: usize) -> Result<Tensor> {
-        if let Some(mask) = self.masks.get(&t) {
+    fn mask(&self, t: usize) -> Result<Tensor> {
+        let mut masks = self.masks.lock().unwrap();
+        if let Some(mask) = masks.get(&t) {
             Ok(mask.clone())
         } else {
             let mask: Vec<_> = (0..t)
                 .flat_map(|i| (0..t).map(move |j| u8::from(j > i)))
                 .collect();
             let mask = Tensor::from_slice(&mask, (t, t), &self.device)?;
-            self.masks.insert(t, mask.clone());
+            masks.insert(t, mask.clone());
             Ok(mask)
         }
     }
@@ -161,6 +164,7 @@ struct CausalSelfAttention {
     num_attention_heads: usize,
     num_key_value_heads: usize,
     head_dim: usize,
+    cache: Cache,
     use_flash_attn: bool,
     span: tracing::Span,
     span_rot: tracing::Span,
@@ -183,11 +187,11 @@ fn flash_attn(_: &Tensor, _: &Tensor, _: &Tensor, _: f32, _: bool) -> Result<Ten
 }
 
 impl CausalSelfAttention {
-    fn apply_rotary_emb(&self, x: &Tensor, index_pos: usize, cache: &Cache) -> Result<Tensor> {
+    fn apply_rotary_emb(&self, x: &Tensor, index_pos: usize) -> Result<Tensor> {
         let _enter = self.span_rot.enter();
         let (b_sz, _, seq_len, hidden_size) = x.dims4()?;
-        let cos = cache.cos.narrow(0, index_pos, seq_len)?;
-        let sin = cache.sin.narrow(0, index_pos, seq_len)?;
+        let cos = self.cache.cos.narrow(0, index_pos, seq_len)?;
+        let sin = self.cache.sin.narrow(0, index_pos, seq_len)?;
         let cos = cos.broadcast_as((b_sz, 1, seq_len, hidden_size))?;
         let sin = sin.broadcast_as((b_sz, 1, seq_len, hidden_size))?;
         let x1 = x.narrow(D::Minus1, 0, hidden_size / 2)?;
@@ -197,13 +201,7 @@ impl CausalSelfAttention {
         Ok(rope)
     }
 
-    fn forward(
-        &self,
-        x: &Tensor,
-        index_pos: usize,
-        block_idx: usize,
-        cache: &mut Cache,
-    ) -> Result<Tensor> {
+    fn forward(&self, x: &Tensor, index_pos: usize, block_idx: usize) -> Result<Tensor> {
         let _enter = self.span.enter();
         let (b_sz, seq_len, hidden_size) = x.dims3()?;
         let q = self.q_proj.forward(x)?;
@@ -220,11 +218,12 @@ impl CausalSelfAttention {
             .reshape((b_sz, seq_len, self.num_key_value_heads, self.head_dim))?
             .transpose(1, 2)?;
 
-        let q = self.apply_rotary_emb(&q, index_pos, cache)?;
-        let mut k = self.apply_rotary_emb(&k, index_pos, cache)?;
+        let q = self.apply_rotary_emb(&q, index_pos)?;
+        let mut k = self.apply_rotary_emb(&k, index_pos)?;
 
-        if cache.use_kv_cache {
-            if let Some((cache_k, cache_v)) = &cache.kvs[block_idx] {
+        if self.cache.use_kv_cache {
+            let mut cache = self.cache.kvs.lock().unwrap();
+            if let Some((cache_k, cache_v)) = &cache[block_idx] {
                 k = Tensor::cat(&[cache_k, &k], 2)?.contiguous()?;
                 v = Tensor::cat(&[cache_v, &v], 2)?.contiguous()?;
                 let k_seq_len = k.dims()[1];
@@ -240,7 +239,7 @@ impl CausalSelfAttention {
                         .contiguous()?
                 }
             }
-            cache.kvs[block_idx] = Some((k.clone(), v.clone()))
+            cache[block_idx] = Some((k.clone(), v.clone()))
         }
 
         let k = self.repeat_kv(k)?;
@@ -259,7 +258,7 @@ impl CausalSelfAttention {
             let k = k.to_dtype(DType::F32)?;
             let v = v.to_dtype(DType::F32)?;
             let att = (q.matmul(&k.t()?)? / (self.head_dim as f64).sqrt())?;
-            let mask = cache.mask(seq_len)?.broadcast_as(att.shape())?;
+            let mask = self.cache.mask(seq_len)?.broadcast_as(att.shape())?;
             let att = masked_fill(&att, &mask, f32::NEG_INFINITY)?;
             let att = candle_nn::ops::softmax(&att, D::Minus1)?;
             // Convert to contiguous as matmul doesn't support strided vs for now.
@@ -284,7 +283,7 @@ impl CausalSelfAttention {
         }
     }
 
-    fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
+    fn load(vb: VarBuilder, cache: &Cache, cfg: &Config) -> Result<Self> {
         let span = tracing::span!(tracing::Level::TRACE, "attn");
         let span_rot = tracing::span!(tracing::Level::TRACE, "attn-rot");
         let size_in = cfg.hidden_size;
@@ -302,6 +301,7 @@ impl CausalSelfAttention {
             num_attention_heads: cfg.num_attention_heads,
             num_key_value_heads: cfg.num_key_value_heads,
             head_dim: cfg.hidden_size / cfg.num_attention_heads,
+            cache: cache.clone(),
             use_flash_attn: cfg.use_flash_attn,
             span,
             span_rot,
@@ -357,25 +357,19 @@ struct Block {
 }
 
 impl Block {
-    fn forward(
-        &self,
-        x: &Tensor,
-        index_pos: usize,
-        block_idx: usize,
-        cache: &mut Cache,
-    ) -> Result<Tensor> {
+    fn forward(&self, x: &Tensor, index_pos: usize, block_idx: usize) -> Result<Tensor> {
         let _enter = self.span.enter();
         let residual = x;
         let x = self.rms_1.forward(x)?;
-        let x = (self.attn.forward(&x, index_pos, block_idx, cache)? + residual)?;
+        let x = (self.attn.forward(&x, index_pos, block_idx)? + residual)?;
         let residual = &x;
         let x = (self.mlp.forward(&self.rms_2.forward(&x)?)? + residual)?;
         Ok(x)
     }
 
-    fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
+    fn load(vb: VarBuilder, cache: &Cache, cfg: &Config) -> Result<Self> {
         let span = tracing::span!(tracing::Level::TRACE, "block");
-        let attn = CausalSelfAttention::load(vb.pp("self_attn"), cfg)?;
+        let attn = CausalSelfAttention::load(vb.pp("self_attn"), cache, cfg)?;
         let mlp = Mlp::load(vb.pp("mlp"), cfg)?;
         let rms_1 = RmsNorm::load(cfg.hidden_size, cfg.rms_norm_eps, vb.pp("input_layernorm"))?;
         let rms_2 = RmsNorm::load(
@@ -402,11 +396,11 @@ pub struct Llama {
 }
 
 impl Llama {
-    pub fn forward(&self, x: &Tensor, index_pos: usize, cache: &mut Cache) -> Result<Tensor> {
+    pub fn forward(&self, x: &Tensor, index_pos: usize) -> Result<Tensor> {
         let (_b_sz, seq_len) = x.dims2()?;
         let mut x = self.wte.forward(x)?;
         for (block_idx, block) in self.blocks.iter().enumerate() {
-            x = block.forward(&x, index_pos, block_idx, cache)?;
+            x = block.forward(&x, index_pos, block_idx)?;
         }
         let x = self.ln_f.forward(&x)?;
         let x = x.i((.., seq_len - 1, ..))?;
@@ -414,12 +408,12 @@ impl Llama {
         logits.to_dtype(DType::F32)
     }
 
-    pub fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
+    pub fn load(vb: VarBuilder, cache: &Cache, cfg: &Config) -> Result<Self> {
         let wte = embedding(cfg.vocab_size, cfg.hidden_size, vb.pp("model.embed_tokens"))?;
         let lm_head = linear(cfg.hidden_size, cfg.vocab_size, vb.pp("lm_head"))?;
         let ln_f = RmsNorm::load(cfg.hidden_size, cfg.rms_norm_eps, vb.pp("model.norm"))?;
         let blocks: Vec<_> = (0..cfg.num_hidden_layers)
-            .map(|i| Block::load(vb.pp(&format!("model.layers.{i}")), cfg).unwrap())
+            .map(|i| Block::load(vb.pp(&format!("model.layers.{i}")), cache, cfg).unwrap())
             .collect();
 
         Ok(Self {

candle-transformers/src/models/llama2_c.rs

@@ -2,6 +2,7 @@ use candle::{DType, Device, IndexOp, Result, Tensor, D};
 use candle_nn::linear_no_bias as linear;
 use candle_nn::{embedding, rms_norm, Embedding, Linear, Module, RmsNorm, VarBuilder};
 use std::collections::HashMap;
+use std::sync::{Arc, Mutex};
 
 #[derive(Debug, Clone)]
 pub struct Config {
@@ -69,11 +70,12 @@ impl Config {
     }
 }
 
-#[derive(Debug, Clone)]
+#[derive(Clone)]
 pub struct Cache {
-    masks: HashMap<usize, Tensor>,
+    masks: Arc<Mutex<HashMap<usize, Tensor>>>,
     pub use_kv_cache: bool,
-    pub kvs: Vec<Option<(Tensor, Tensor)>>,
+    #[allow(clippy::type_complexity)]
+    pub kvs: Arc<Mutex<Vec<Option<(Tensor, Tensor)>>>>,
     pub cos: Tensor,
     pub sin: Tensor,
     device: Device,
@@ -103,24 +105,25 @@ impl Cache {
         let cos = freq_cis_real.reshape((cfg.seq_len, cfg.head_size() / 2, 1))?;
         let sin = freq_cis_imag.reshape((cfg.seq_len, cfg.head_size() / 2, 1))?;
         Ok(Self {
-            masks: HashMap::new(),
+            masks: Arc::new(Mutex::new(HashMap::new())),
             use_kv_cache,
-            kvs: vec![None; cfg.n_layers],
+            kvs: Arc::new(Mutex::new(vec![None; cfg.n_layers])),
             cos,
             sin,
             device: vb.device().clone(),
         })
     }
 
-    pub fn mask(&mut self, t: usize) -> Result<Tensor> {
-        if let Some(mask) = self.masks.get(&t) {
+    pub fn mask(&self, t: usize) -> Result<Tensor> {
+        let mut masks = self.masks.lock().unwrap();
+        if let Some(mask) = masks.get(&t) {
             Ok(mask.clone())
         } else {
             let mask: Vec<_> = (0..t)
                 .flat_map(|i| (0..t).map(move |j| u8::from(j > i)))
                 .collect();
             let mask = Tensor::from_slice(&mask, (t, t), &self.device)?;
-            self.masks.insert(t, mask.clone());
+            masks.insert(t, mask.clone());
             Ok(mask)
         }
     }
@@ -130,7 +133,6 @@ fn silu(xs: &Tensor) -> Result<Tensor> {
     xs / (xs.neg()?.exp()? + 1.0)?
 }
 
-#[derive(Debug, Clone)]
 struct CausalSelfAttention {
     q_proj: Linear,
     k_proj: Linear,
@@ -139,13 +141,14 @@ struct CausalSelfAttention {
     n_head: usize,
     n_key_value_head: usize,
     head_dim: usize,
+    cache: Cache,
 }
 
 impl CausalSelfAttention {
-    fn apply_rotary_emb(&self, x: &Tensor, index_pos: usize, cache: &Cache) -> Result<Tensor> {
+    fn apply_rotary_emb(&self, x: &Tensor, index_pos: usize) -> Result<Tensor> {
         let (b_sz, seq_len, h, n_embd) = x.dims4()?;
-        let cos = cache.cos.i(index_pos..index_pos + seq_len)?;
-        let sin = cache.sin.i(index_pos..index_pos + seq_len)?;
+        let cos = self.cache.cos.i(index_pos..index_pos + seq_len)?;
+        let sin = self.cache.sin.i(index_pos..index_pos + seq_len)?;
         let cos = cos.unsqueeze(1)?;
         let sin = sin.unsqueeze(1)?;
         let cos = cos.broadcast_as((b_sz, seq_len, 1, n_embd / 2, 1))?;
@@ -159,13 +162,7 @@ impl CausalSelfAttention {
         Ok(rope)
     }
 
-    fn forward(
-        &self,
-        x: &Tensor,
-        index_pos: usize,
-        block_idx: usize,
-        cache: &mut Cache,
-    ) -> Result<Tensor> {
+    fn forward(&self, x: &Tensor, index_pos: usize, block_idx: usize) -> Result<Tensor> {
         let (b_sz, seq_len, n_embd) = x.dims3()?;
         let q = self.q_proj.forward(x)?;
         let k = self.k_proj.forward(x)?;
@@ -175,15 +172,16 @@ impl CausalSelfAttention {
         let k = k.reshape((b_sz, seq_len, self.n_key_value_head, self.head_dim))?;
         let mut v = v.reshape((b_sz, seq_len, self.n_key_value_head, self.head_dim))?;
 
-        let q = self.apply_rotary_emb(&q, index_pos, cache)?;
-        let mut k = self.apply_rotary_emb(&k, index_pos, cache)?;
+        let q = self.apply_rotary_emb(&q, index_pos)?;
+        let mut k = self.apply_rotary_emb(&k, index_pos)?;
 
-        if cache.use_kv_cache {
-            if let Some((cache_k, cache_v)) = &cache.kvs[block_idx] {
+        if self.cache.use_kv_cache {
+            let mut cache = self.cache.kvs.lock().unwrap();
+            if let Some((cache_k, cache_v)) = &cache[block_idx] {
                 k = Tensor::cat(&[cache_k, &k], 1)?.contiguous()?;
                 v = Tensor::cat(&[cache_v, &v], 1)?.contiguous()?;
             }
-            cache.kvs[block_idx] = Some((k.clone(), v.clone()))
+            cache[block_idx] = Some((k.clone(), v.clone()))
         }
 
         let k = self.repeat_kv(k)?;
@@ -194,7 +192,7 @@ impl CausalSelfAttention {
         let v = v.transpose(1, 2)?.contiguous()?;
 
         let att = (q.matmul(&k.t()?)? / (self.head_dim as f64).sqrt())?;
-        let mask = cache.mask(seq_len)?.broadcast_as(att.shape())?;
+        let mask = self.cache.mask(seq_len)?.broadcast_as(att.shape())?;
         let att = masked_fill(&att, &mask, f32::NEG_INFINITY)?;
         let att = candle_nn::ops::softmax(&att, D::Minus1)?;
         // Convert to contiguous as matmul doesn't support strided vs for now.
@@ -218,7 +216,7 @@ impl CausalSelfAttention {
         }
     }
 
-    fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
+    fn load(vb: VarBuilder, cache: &Cache, cfg: &Config) -> Result<Self> {
         let size_in = cfg.dim;
         let size_q = (cfg.dim / cfg.n_heads) * cfg.n_heads;
         let size_kv = (cfg.dim / cfg.n_heads) * cfg.n_kv_heads;
@@ -234,6 +232,7 @@ impl CausalSelfAttention {
             n_head: cfg.n_heads,
             n_key_value_head: cfg.n_kv_heads,
             head_dim: cfg.dim / cfg.n_heads,
+            cache: cache.clone(),
         })
     }
 }
@@ -245,7 +244,6 @@ fn masked_fill(on_false: &Tensor, mask: &Tensor, on_true: f32) -> Result<Tensor>
     Ok(m)
 }
 
-#[derive(Debug, Clone)]
 struct Mlp {
     c_fc1: Linear,
     c_fc2: Linear,
@@ -276,7 +274,6 @@ impl Mlp {
     }
 }
 
-#[derive(Debug, Clone)]
 struct Block {
     rms_1: RmsNorm,
     attn: CausalSelfAttention,
@@ -294,23 +291,17 @@ impl Block {
         }
     }
 
-    fn forward(
-        &self,
-        x: &Tensor,
-        index_pos: usize,
-        block_idx: usize,
-        cache: &mut Cache,
-    ) -> Result<Tensor> {
+    fn forward(&self, x: &Tensor, index_pos: usize, block_idx: usize) -> Result<Tensor> {
         let residual = x;
         let x = self.rms_1.forward(x)?;
-        let x = (self.attn.forward(&x, index_pos, block_idx, cache)? + residual)?;
+        let x = (self.attn.forward(&x, index_pos, block_idx)? + residual)?;
         let residual = &x;
         let x = (self.mlp.forward(&self.rms_2.forward(&x)?)? + residual)?;
         Ok(x)
     }
 
-    fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
-        let attn = CausalSelfAttention::load(vb.pp("self_attn"), cfg)?;
+    fn load(vb: VarBuilder, cache: &Cache, cfg: &Config) -> Result<Self> {
+        let attn = CausalSelfAttention::load(vb.pp("self_attn"), cache, cfg)?;
         let mlp = Mlp::load(vb.pp("mlp"), cfg)?;
         let input_layernorm = rms_norm(cfg.dim, cfg.norm_eps, vb.pp("input_layernorm"))?;
         let post_attention_layernorm =
@@ -324,7 +315,6 @@ impl Block {
     }
 }
 
-#[derive(Debug, Clone)]
 pub struct Llama {
     wte: Embedding,
     blocks: Vec<Block>,
@@ -334,23 +324,23 @@ pub struct Llama {
 }
 
 impl Llama {
-    pub fn forward(&self, x: &Tensor, index_pos: usize, cache: &mut Cache) -> Result<Tensor> {
+    pub fn forward(&self, x: &Tensor, index_pos: usize) -> Result<Tensor> {
         let (_b_sz, _seq_len) = x.dims2()?;
         let mut x = self.wte.forward(x)?;
         for (block_idx, block) in self.blocks.iter().enumerate() {
-            x = block.forward(&x, index_pos, block_idx, cache)?;
+            x = block.forward(&x, index_pos, block_idx)?;
         }
         let x = self.ln_f.forward(&x)?;
         let logits = self.lm_head.forward(&x)?;
         logits.to_dtype(DType::F32)
     }
 
-    pub fn load(vb: VarBuilder, cfg: Config) -> Result<Self> {
+    pub fn load(vb: VarBuilder, cache: &Cache, cfg: Config) -> Result<Self> {
         let wte = embedding(cfg.vocab_size, cfg.dim, vb.pp("model.embed_tokens"))?;
         let lm_head = linear(cfg.dim, cfg.vocab_size, vb.pp("lm_head"))?;
         let ln_f = rms_norm(cfg.dim, cfg.norm_eps, vb.pp("model.norm"))?;
         let blocks: Vec<_> = (0..cfg.n_layers)
-            .map(|i| Block::load(vb.pp(&format!("model.layers.{i}")), &cfg).unwrap())
+            .map(|i| Block::load(vb.pp(&format!("model.layers.{i}")), cache, &cfg).unwrap())
             .collect();
         Ok(Self {
             wte,

candle-transformers/src/models/mamba.rs

@@ -32,9 +32,9 @@ impl Config {
 }
 
 pub struct State {
-    pub hs: Vec<Tensor>,
-    pub prev_xs: Vec<[Tensor; D_CONV]>,
-    pub pos: usize,
+    hs: Vec<Tensor>,
+    prev_xs: Vec<[Tensor; D_CONV]>,
+    pos: usize,
 }
 
 impl State {

candle-transformers/src/models/metavoice.rs

@@ -1,968 +0,0 @@
-use candle::{DType, Device, Error as E, IndexOp, Module, Result, Tensor, D};
-use candle_nn::{embedding, linear_b, rms_norm, Embedding, Linear, RmsNorm, VarBuilder};
-
-// Equivalent to torch.repeat_interleave
-fn repeat_interleave(img: &Tensor, repeats: usize, dim: usize) -> Result<Tensor> {
-    let img = img.unsqueeze(dim + 1)?;
-    let mut dims = img.dims().to_vec();
-    dims[dim + 1] = repeats;
-    img.broadcast_as(dims)?.flatten(dim, dim + 1)
-}
-pub mod speaker_encoder {
-    use super::*;
-
-    #[derive(Debug, Clone, serde::Deserialize)]
-    pub struct Config {
-        pub sampling_rate: usize,
-        pub partial_n_frames: usize,
-        pub model_hidden_size: usize,
-        pub model_embedding_size: usize,
-        pub model_num_layers: usize,
-        pub mel_window_length: usize,
-        pub mel_window_step: usize,
-        pub mel_n_channels: usize,
-    }
-
-    impl Config {
-        pub fn cfg() -> Self {
-            Self {
-                sampling_rate: 16_000,
-                partial_n_frames: 160,
-                model_hidden_size: 256,
-                model_embedding_size: 256,
-                model_num_layers: 3,
-                mel_window_length: 25,
-                mel_window_step: 10,
-                mel_n_channels: 40,
-            }
-        }
-    }
-
-    pub struct Model {
-        lstms: Vec<candle_nn::LSTM>,
-        linear: Linear,
-        cfg: Config,
-    }
-
-    type Slice = (usize, usize);
-
-    impl Model {
-        pub fn new(cfg: Config, vb: VarBuilder) -> Result<Self> {
-            let mut lstms = Vec::with_capacity(cfg.model_num_layers);
-            let vb_l = vb.pp("lstm");
-            for layer_idx in 0..cfg.model_num_layers {
-                let c = candle_nn::LSTMConfig {
-                    layer_idx,
-                    ..Default::default()
-                };
-                let in_c = if layer_idx == 0 {
-                    cfg.mel_n_channels
-                } else {
-                    cfg.model_hidden_size
-                };
-                let lstm = candle_nn::lstm(in_c, cfg.model_hidden_size, c, vb_l.clone())?;
-                lstms.push(lstm)
-            }
-            let linear = linear_b(
-                cfg.model_hidden_size,
-                cfg.model_embedding_size,
-                true,
-                vb.pp("linear"),
-            )?;
-            Ok(Self { lstms, linear, cfg })
-        }
-
-        fn compute_partial_slices(
-            &self,
-            n_samples: usize,
-            rate: f64,
-            min_coverage: f64,
-        ) -> (Vec<Slice>, Vec<Slice>) {
-            let c = &self.cfg;
-            // Compute how many frames separate two partial utterances
-            let samples_per_frame = c.sampling_rate * c.mel_window_step / 1000;
-            let n_frames = n_samples / samples_per_frame + 1;
-            let frame_step =
-                (c.sampling_rate as f64 / rate / samples_per_frame as f64).round() as usize;
-            let steps = (n_frames + frame_step).saturating_sub(c.partial_n_frames) + 1;
-            // Compute the slices.
-            let mut wav_slices = vec![];
-            let mut mel_slices = vec![];
-            for i in (0..steps).step_by(frame_step) {
-                let mel_range = (i, i + c.partial_n_frames);
-                let wav_range = (
-                    i * samples_per_frame,
-                    (i + c.partial_n_frames) * samples_per_frame,
-                );
-                mel_slices.push(mel_range);
-                wav_slices.push(wav_range);
-            }
-            // Evaluate whether extra padding is warranted or not.
-            let last_wav_range = match wav_slices.last() {
-                None => return (wav_slices, mel_slices),
-                Some(l) => *l,
-            };
-            let coverage = (n_samples - last_wav_range.0) as f64
-                / (last_wav_range.1 - last_wav_range.0) as f64;
-            if coverage > min_coverage && mel_slices.len() > 1 {
-                mel_slices.pop();
-                wav_slices.pop();
-            }
-            (wav_slices, mel_slices)
-        }
-
-        pub fn embed_utterance(
-            &self,
-            wav: &[f32],
-            mel_filters: &[f32],
-            rate: f64,
-            min_c: f64,
-            device: &Device,
-        ) -> Result<Tensor> {
-            let (wav_slices, mel_slices) = self.compute_partial_slices(wav.len(), rate, min_c);
-            let max_wave_length = match wav_slices.last() {
-                Some(v) => v.1,
-                None => candle::bail!("empty wav slices"),
-            };
-            let wav = if max_wave_length > wav.len() {
-                let mut wav = wav.to_vec();
-                wav.resize(max_wave_length - wav.len(), 0.0);
-                std::borrow::Cow::Owned(wav)
-            } else {
-                std::borrow::Cow::Borrowed(wav)
-            };
-            let mel = crate::models::whisper::audio::log_mel_spectrogram_(
-                wav.as_ref(),
-                mel_filters,
-                /* fft_size */ self.cfg.mel_window_length,
-                /* fft_step */ self.cfg.mel_window_step,
-                self.cfg.mel_n_channels,
-                false,
-            );
-            let mels = mel_slices
-                .iter()
-                .flat_map(|s| [mel[s.0], mel[s.1]])
-                .collect::<Vec<_>>();
-            let mels = Tensor::from_vec(mels, (1, mel_slices.len(), 2), device)?;
-            let partial_embeds = self.forward(&mels)?;
-            let raw_embed = partial_embeds.mean(0)?;
-            let norm = raw_embed.sqr()?.sum_all()?.sqrt()?;
-            raw_embed.broadcast_div(&norm)
-        }
-    }
-
-    impl Module for Model {
-        fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-            use candle_nn::RNN;
-
-            // This is different from the Python transformers version as candle LSTM is batch first.
-            let xs = xs.t()?;
-            let mut xs = xs.clone();
-            for layer in self.lstms.iter() {
-                let states = layer.seq(&xs)?;
-                xs = layer.states_to_tensor(&states)?;
-            }
-            let xs = xs.t()?;
-            let embeds_raw = xs.apply(&self.linear)?.relu()?;
-            let norm = embeds_raw.sqr()?.sum_keepdim(1)?.sqrt()?;
-            embeds_raw.broadcast_div(&norm)
-        }
-    }
-}
-
-type Rank = u32;
-
-pub mod tokenizers {
-    use super::*;
-    use std::collections::HashMap;
-
-    pub struct BPE {
-        pub re: fancy_regex::Regex,
-        pub end_of_text: usize,
-        pub offset: usize,
-        pub ranks: HashMap<Vec<u8>, Rank>,
-    }
-
-    impl BPE {
-        pub fn from_json(json: &serde_json::Value, end_of_text: usize) -> Result<Self> {
-            let json = match json.as_object() {
-                None => candle::bail!("json value is not an object"),
-                Some(json) => json,
-            };
-            let re = match json.get("pat_str") {
-                None => candle::bail!("json object has no pat_str field"),
-                Some(pat_str) => match pat_str.as_str() {
-                    None => candle::bail!("pat_str field is not a string"),
-                    Some(pat_str) => fancy_regex::Regex::new(pat_str).map_err(E::wrap)?,
-                },
-            };
-            let offset = match json.get("offset") {
-                None => candle::bail!("json object has no offset field"),
-                Some(offset) => match offset.as_u64() {
-                    None => candle::bail!("offset field is not a positive int"),
-                    Some(offset) => offset as usize,
-                },
-            };
-            let mut ranks = HashMap::new();
-            for id in 0u8..=255 {
-                ranks.insert(vec![id], id as u32);
-            }
-            let mergeable_ranks = match json.get("mergeable_ranks") {
-                None => candle::bail!("json object has no mergeable_ranks field"),
-                Some(mr) => match mr.as_object() {
-                    None => candle::bail!("mergeable_ranks is not an object"),
-                    Some(mr) => mr,
-                },
-            };
-            for (key, value) in mergeable_ranks.iter() {
-                let value = match value.as_u64() {
-                    None => candle::bail!("mergeable_ranks '{key}' is not a u64"),
-                    Some(value) => value as u32,
-                };
-                if value < 256 {
-                    continue;
-                }
-                // No escaping for other keys.
-                let key = key.as_bytes().to_vec();
-                ranks.insert(key, value);
-            }
-            Ok(Self {
-                re,
-                end_of_text,
-                offset,
-                ranks,
-            })
-        }
-
-        // Taken from:
-        // https://github.com/openai/tiktoken/blob/1b9faf2779855124f05174adf1383e53689ed94b/src/lib.rs#L16C1-L82C2
-        fn _byte_pair_merge(&self, piece: &[u8]) -> Vec<(usize, Rank)> {
-            // This is a vector of (start, rank).
-            // The rank is of the pair starting at position start.
-            let mut parts = Vec::with_capacity(piece.len() + 1);
-
-            // Note that we hash bytes when indexing into `ranks`, not token pairs. As long as we train BPE
-            // the way we currently do, this is equivalent. An easy way to break this would be to decouple
-            // merge priority from token index or to prevent specific token merges.
-            let mut min_rank: (Rank, usize) = (Rank::MAX, usize::MAX);
-            for i in 0..piece.len() - 1 {
-                let rank = *self.ranks.get(&piece[i..i + 2]).unwrap_or(&Rank::MAX);
-                if rank < min_rank.0 {
-                    min_rank = (rank, i);
-                }
-                parts.push((i, rank));
-            }
-            parts.push((piece.len() - 1, Rank::MAX));
-            parts.push((piece.len(), Rank::MAX));
-
-            let get_rank = {
-                #[inline(always)]
-                |parts: &Vec<(usize, Rank)>, i: usize| {
-                    if (i + 3) < parts.len() {
-                        // Similar to `piece[i..i + 2]` above. The +3 is because we haven't yet deleted
-                        // parts[i + 1], see comment in the main loop.
-                        *self
-                            .ranks
-                            .get(&piece[parts[i].0..parts[i + 3].0])
-                            .unwrap_or(&Rank::MAX)
-                    } else {
-                        Rank::MAX
-                    }
-                }
-            };
-
-            // If you have n parts and m merges, this does O(mn) work.
-            // We could do something with a heap and do O(m log n) work.
-            // n is often very small so considerations like cache-locality outweigh the algorithmic
-            // complexity downsides of the `parts` vector.
-            while min_rank.0 != Rank::MAX {
-                let i = min_rank.1;
-                // Update parts[i] and parts[i - 1] before removing parts[i + 1], since
-                // `parts.remove(i + 1)` will thrash the cache.
-                if i > 0 {
-                    parts[i - 1].1 = get_rank(&parts, i - 1);
-                }
-                parts[i].1 = get_rank(&parts, i);
-                parts.remove(i + 1);
-
-                min_rank = (Rank::MAX, usize::MAX);
-                for (i, &(_, rank)) in parts[..parts.len() - 1].iter().enumerate() {
-                    if rank < min_rank.0 {
-                        min_rank = (rank, i);
-                    }
-                }
-            }
-            parts
-        }
-
-        pub fn byte_pair_encode(&self, piece: &[u8]) -> Vec<Rank> {
-            if piece.is_empty() {
-                return Vec::new();
-            }
-            if piece.len() == 1 {
-                return vec![self.ranks[piece]];
-            }
-            assert!(piece.len() > 1);
-            self._byte_pair_merge(piece)
-                .windows(2)
-                .map(|part| self.ranks[&piece[part[0].0..part[1].0]])
-                .collect()
-        }
-
-        pub fn encode(&self, text: &str) -> Result<Vec<u32>> {
-            let mut bpe_tokens: Vec<u32> = Vec::new();
-            for word in self.re.find_iter(text) {
-                let word = word.map_err(E::wrap)?;
-                let word_tokens = self.byte_pair_encode(word.as_str().as_bytes());
-                for &token in word_tokens.iter() {
-                    bpe_tokens.push(token + self.offset as u32)
-                }
-            }
-            bpe_tokens.push((self.end_of_text + self.offset) as u32);
-            Ok(bpe_tokens)
-        }
-    }
-}
-
-pub mod gpt {
-    use super::*;
-
-    #[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
-    pub enum NormType {
-        LayerNorm,
-        RMSNorm,
-    }
-
-    #[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
-    pub enum AttnKernelType {
-        Fa2,
-        TorchAttn,
-        Hand,
-    }
-
-    #[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
-    pub enum NonLinearityType {
-        Gelu,
-        Swiglu,
-    }
-
-    enum Norm {
-        RMSNorm(candle_nn::RmsNorm),
-        LayerNorm(candle_nn::LayerNorm),
-    }
-
-    // https://github.com/metavoiceio/metavoice-src/blob/11550bb4e8a1ad032cc1556cc924f7a4e767cbfa/fam/llm/model.py#L27
-    #[derive(Debug, Clone)]
-    pub struct Config {
-        pub block_size: usize,
-        pub vocab_sizes: Vec<usize>,
-        pub target_vocab_sizes: Vec<usize>,
-        pub n_layer: usize,
-        pub n_head: usize,
-        pub n_embd: usize,
-        pub bias: bool,
-        pub causal: bool,
-        pub spk_emb_on_text: bool,
-        pub norm_type: NormType,
-        pub rmsnorm_eps: f64,
-        pub nonlinearity_type: NonLinearityType,
-        pub swiglu_multiple_of: Option<usize>,
-        pub attn_kernel_type: AttnKernelType,
-        pub kv_cache_enabled: bool,
-    }
-
-    impl Config {
-        pub fn cfg1b_v0_1() -> Self {
-            Self {
-                n_layer: 6,
-                n_head: 6,
-                n_embd: 384,
-                block_size: 1024,
-                bias: false,
-                vocab_sizes: vec![1538, 1025],
-                causal: false,
-                target_vocab_sizes: vec![1025, 1025, 1025, 1025, 1025, 1025],
-                swiglu_multiple_of: Some(256),
-                norm_type: NormType::LayerNorm,
-                kv_cache_enabled: false,
-                attn_kernel_type: AttnKernelType::TorchAttn,
-                spk_emb_on_text: true,
-                nonlinearity_type: NonLinearityType::Gelu,
-                rmsnorm_eps: 1e-5,
-            }
-        }
-    }
-
-    impl Norm {
-        fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-            match cfg.norm_type {
-                NormType::RMSNorm => {
-                    let rms_norm = candle_nn::rms_norm(cfg.n_embd, cfg.rmsnorm_eps, vb)?;
-                    Ok(Self::RMSNorm(rms_norm))
-                }
-                NormType::LayerNorm => {
-                    let ln_cfg = candle_nn::LayerNormConfig {
-                        affine: cfg.bias,
-                        ..Default::default()
-                    };
-                    let layer_norm = candle_nn::layer_norm(cfg.n_embd, ln_cfg, vb)?;
-                    Ok(Self::LayerNorm(layer_norm))
-                }
-            }
-        }
-    }
-
-    impl Module for Norm {
-        fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-            match self {
-                Self::RMSNorm(m) => m.forward(xs),
-                Self::LayerNorm(m) => m.forward(xs),
-            }
-        }
-    }
-
-    // https://github.com/metavoiceio/metavoice-src/blob/11550bb4e8a1ad032cc1556cc924f7a4e767cbfa/fam/llm/layers/attn.py#L18
-    struct SelfAttention {
-        c_attn: Linear,
-        c_proj: Linear,
-        n_head: usize,
-    }
-
-    impl SelfAttention {
-        fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-            // The different attention variants are likely to be identical but still we only accept
-            // TorchAttn for now.
-            if cfg.attn_kernel_type != AttnKernelType::TorchAttn {
-                candle::bail!("only TorchAttn is supported")
-            }
-            if cfg.kv_cache_enabled {
-                candle::bail!("kv_cache_enabled=true is not supported")
-            }
-            let c_attn = linear_b(cfg.n_embd, cfg.n_embd * 3, cfg.bias, vb.pp("c_attn"))?;
-            let c_proj = linear_b(cfg.n_embd, cfg.n_embd, cfg.bias, vb.pp("c_proj"))?;
-            Ok(Self {
-                c_attn,
-                c_proj,
-                n_head: cfg.n_head,
-            })
-        }
-    }
-
-    impl Module for SelfAttention {
-        fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-            let (b, t, c) = xs.dims3()?;
-            let c_x = xs
-                .apply(&self.c_attn)?
-                .reshape((b, t, 3, self.n_head, c / self.n_head))?;
-            let q = c_x.i((.., .., 0))?;
-            let k = c_x.i((.., .., 1))?;
-            let v = c_x.i((.., .., 2))?;
-            let q = q.transpose(1, 2)?.contiguous()?;
-            let k = k.transpose(1, 2)?.contiguous()?;
-            let v = v.transpose(1, 2)?.contiguous()?;
-            let att = (q.matmul(&k.t()?)? / (k.dim(D::Minus1)? as f64).sqrt())?;
-            // TODO: causal mask
-            let att = candle_nn::ops::softmax_last_dim(&att)?;
-            let att = att.matmul(&v)?.transpose(1, 2)?;
-            att.reshape((b, t, c))?.apply(&self.c_proj)
-        }
-    }
-
-    // https://github.com/metavoiceio/metavoice-src/blob/11550bb4e8a1ad032cc1556cc924f7a4e767cbfa/fam/llm/layers/layers.py#L43
-    #[allow(clippy::upper_case_acronyms)]
-    enum MLP {
-        Gelu {
-            c_fc: Linear,
-            c_proj: Linear,
-        },
-        Swiglu {
-            w1: Linear,
-            w3: Linear,
-            c_proj: Linear,
-        },
-    }
-
-    impl MLP {
-        fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-            let hidden_dim = 4 * cfg.n_embd;
-            let slf = match cfg.nonlinearity_type {
-                NonLinearityType::Gelu => {
-                    let c_fc = linear_b(cfg.n_embd, hidden_dim, cfg.bias, vb.pp("c_fc"))?;
-                    let c_proj = linear_b(hidden_dim, cfg.n_embd, cfg.bias, vb.pp("c_proj"))?;
-                    Self::Gelu { c_fc, c_proj }
-                }
-                NonLinearityType::Swiglu => {
-                    let hidden_dim = (2 * hidden_dim) / 3;
-                    let swiglu_multiple_of = match cfg.swiglu_multiple_of {
-                        None => candle::bail!("swiglu-multiple-of has to be set"),
-                        Some(smo) => smo,
-                    };
-                    let hidden_dim = swiglu_multiple_of * (hidden_dim + swiglu_multiple_of - 1)
-                        / swiglu_multiple_of;
-                    let w1 = linear_b(cfg.n_embd, hidden_dim, cfg.bias, vb.pp("w1"))?;
-                    let w3 = linear_b(cfg.n_embd, hidden_dim, cfg.bias, vb.pp("w3"))?;
-                    let c_proj = linear_b(hidden_dim, cfg.n_embd, cfg.bias, vb.pp("c_proj"))?;
-                    Self::Swiglu { w1, w3, c_proj }
-                }
-            };
-            Ok(slf)
-        }
-    }
-
-    impl Module for MLP {
-        fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-            match self {
-                Self::Gelu { c_fc, c_proj } => xs.apply(c_fc)?.gelu()?.apply(c_proj),
-                Self::Swiglu { w1, w3, c_proj } => {
-                    let w1 = xs.apply(w1)?;
-                    let w3 = xs.apply(w3)?;
-                    (w1.silu()? * w3)?.apply(c_proj)
-                }
-            }
-        }
-    }
-
-    // https://github.com/metavoiceio/metavoice-src/blob/11550bb4e8a1ad032cc1556cc924f7a4e767cbfa/fam/llm/layers/combined.py#L7
-    struct Block {
-        ln_1: Norm,
-        ln_2: Norm,
-        attn: SelfAttention,
-        mlp: MLP,
-    }
-
-    impl Block {
-        fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-            let ln_1 = Norm::new(cfg, vb.pp("ln_1"))?;
-            let ln_2 = Norm::new(cfg, vb.pp("ln_2"))?;
-            let attn = SelfAttention::new(cfg, vb.pp("attn"))?;
-            let mlp = MLP::new(cfg, vb.pp("mlp"))?;
-            Ok(Block {
-                ln_1,
-                ln_2,
-                attn,
-                mlp,
-            })
-        }
-    }
-
-    impl Module for Block {
-        fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-            let xs = (xs + xs.apply(&self.ln_1)?.apply(&self.attn))?;
-            let xs = (&xs + xs.apply(&self.ln_2)?.apply(&self.mlp))?;
-            Ok(xs)
-        }
-    }
-
-    // https://github.com/metavoiceio/metavoice-src/blob/11550bb4e8a1ad032cc1556cc924f7a4e767cbfa/fam/llm/model.py#L79
-    #[allow(clippy::upper_case_acronyms)]
-    pub struct Model {
-        wtes: Vec<candle_nn::Embedding>,
-        wpe: candle_nn::Embedding,
-        h: Vec<Block>,
-        ln_f: Norm,
-        lm_heads: Vec<Linear>,
-        cfg: Config,
-        dtype: DType,
-    }
-
-    impl Model {
-        pub fn new(cfg: Config, vb: VarBuilder) -> Result<Self> {
-            let vb_t = vb.pp("transformer");
-            let ln_f = Norm::new(&cfg, vb_t.pp("ln_f"))?;
-            let mut wtes = Vec::with_capacity(cfg.vocab_sizes.len());
-            let vb_w = vb_t.pp("wtes");
-            for (idx, vocab_size) in cfg.vocab_sizes.iter().enumerate() {
-                let wte = candle_nn::embedding(*vocab_size, cfg.n_embd, vb_w.pp(idx))?;
-                wtes.push(wte)
-            }
-            let wpe = candle_nn::embedding(cfg.block_size, cfg.n_embd, vb_t.pp("wpe"))?;
-
-            let mut h = Vec::with_capacity(cfg.n_layer);
-            let vb_h = vb_t.pp("h");
-            for idx in 0..cfg.n_layer {
-                let block = Block::new(&cfg, vb_h.pp(idx))?;
-                h.push(block)
-            }
-
-            let mut lm_heads = Vec::with_capacity(cfg.target_vocab_sizes.len());
-            let vb_l = vb.pp("lm_heads");
-            for (idx, vocab_size) in cfg.target_vocab_sizes.iter().enumerate() {
-                let head = linear_b(cfg.n_embd, *vocab_size, false, vb_l.pp(idx))?;
-                lm_heads.push(head)
-            }
-            Ok(Self {
-                wtes,
-                wpe,
-                h,
-                ln_f,
-                lm_heads,
-                cfg,
-                dtype: vb.dtype(),
-            })
-        }
-
-        pub fn config(&self) -> &Config {
-            &self.cfg
-        }
-
-        pub fn forward(&self, idx: &Tensor) -> Result<Vec<Tensor>> {
-            let device = idx.device();
-            let (b, _num_hierarchies, t) = idx.dims3()?;
-            let pos = Tensor::arange(0u32, t as u32, device)?;
-            let pos_emb = pos.apply(&self.wpe)?;
-            let mut tok_emb = Tensor::zeros((b, t, self.cfg.n_embd), self.dtype, device)?;
-            for (wte_idx, wte) in self.wtes.iter().enumerate() {
-                let emb = idx.i((.., wte_idx, ..))?.apply(wte)?;
-                tok_emb = (tok_emb + emb)?;
-            }
-            // TODO: speaker embs.
-            let spk_emb = 0f64;
-            let mut xs = (pos_emb.broadcast_add(&tok_emb)? + spk_emb)?;
-            for block in self.h.iter() {
-                xs = xs.apply(block)?
-            }
-            let xs = xs.apply(&self.ln_f)?;
-            let mut logits = Vec::with_capacity(self.lm_heads.len());
-            for lm_head in self.lm_heads.iter() {
-                // non-causal mode only.
-                let ys = xs.apply(lm_head)?;
-                logits.push(ys)
-            }
-            Ok(logits)
-        }
-    }
-}
-
-pub mod transformer {
-    use super::*;
-
-    #[derive(Debug, Clone, serde::Deserialize)]
-    pub struct Config {
-        pub block_size: usize,
-        pub vocab_size: usize,
-        pub n_layer: usize,
-        pub n_head: usize,
-        pub dim: usize,
-        pub speaker_emb_dim: usize,
-        pub intermediate_size: Option<usize>,
-        pub n_local_heads: Option<usize>,
-        pub norm_eps: f64,
-    }
-
-    impl Config {
-        pub fn cfg1b_v0_1() -> Self {
-            Self {
-                n_layer: 24,
-                n_head: 16,
-                dim: 2048,
-                vocab_size: 2562,
-                speaker_emb_dim: 256,
-                block_size: 2048,
-                intermediate_size: None,
-                n_local_heads: None,
-                norm_eps: 1e-5,
-            }
-        }
-
-        fn n_local_heads(&self) -> usize {
-            self.n_local_heads.unwrap_or(self.n_head)
-        }
-
-        fn head_dim(&self) -> usize {
-            self.dim / self.n_head
-        }
-
-        fn intermediate_size(&self) -> usize {
-            match self.intermediate_size {
-                Some(intermediate_size) => intermediate_size,
-                None => {
-                    let hidden_dim = self.dim * 4;
-                    let n_hidden = ((2 * hidden_dim) as f64 / 3.) as usize;
-                    (n_hidden + 255) / 256 * 256
-                }
-            }
-        }
-    }
-
-    #[derive(Debug, Clone)]
-    struct FeedForward {
-        w1: Linear,
-        w2: Linear,
-        w3: Linear,
-    }
-
-    impl FeedForward {
-        fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-            let i_size = cfg.intermediate_size();
-            let w1 = linear_b(cfg.dim, i_size, false, vb.pp("swiglu.w1"))?;
-            let w2 = linear_b(i_size, cfg.dim, false, vb.pp("w2"))?;
-            let w3 = linear_b(cfg.dim, i_size, false, vb.pp("swiglu.w3"))?;
-            Ok(Self { w1, w2, w3 })
-        }
-    }
-
-    impl Module for FeedForward {
-        fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-            let swiglu = (candle_nn::ops::silu(&xs.apply(&self.w1)?)? * xs.apply(&self.w3))?;
-            swiglu.apply(&self.w2)
-        }
-    }
-
-    #[derive(Debug, Clone)]
-    struct Attention {
-        wqkv: Linear,
-        wo: Linear,
-        dim: usize,
-        kv_size: usize,
-        n_local_heads: usize,
-        head_dim: usize,
-        n_head: usize,
-        kv_cache: Option<(Tensor, Tensor)>,
-    }
-
-    impl Attention {
-        fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-            let n_local_heads = cfg.n_local_heads();
-            let head_dim = cfg.head_dim();
-            let total_head_dim = (cfg.n_head + 2 * n_local_heads) * head_dim;
-            let wqkv = linear_b(cfg.dim, total_head_dim, false, vb.pp("wqkv"))?;
-            let wo = linear_b(cfg.dim, cfg.dim, false, vb.pp("wo"))?;
-            Ok(Self {
-                wqkv,
-                wo,
-                dim: cfg.dim,
-                kv_size: n_local_heads * head_dim,
-                n_local_heads,
-                head_dim,
-                n_head: cfg.n_head,
-                kv_cache: None,
-            })
-        }
-
-        fn forward(&mut self, xs: &Tensor, _pos: usize, mask: &Tensor) -> Result<Tensor> {
-            let (b_sz, seqlen, _) = xs.dims3()?;
-
-            let qkv = xs.apply(&self.wqkv)?;
-            let q = qkv.narrow(D::Minus1, 0, self.dim)?;
-            let k = qkv.narrow(D::Minus1, self.dim, self.kv_size)?;
-            let v = qkv.narrow(D::Minus1, self.dim + self.kv_size, self.kv_size)?;
-            let q = q
-                .reshape((b_sz, seqlen, self.n_head, self.head_dim))?
-                .transpose(1, 2)?
-                .contiguous()?;
-            let k = k
-                .reshape((b_sz, seqlen, self.n_local_heads, self.head_dim))?
-                .transpose(1, 2)?;
-            let v = v
-                .reshape((b_sz, seqlen, self.n_local_heads, self.head_dim))?
-                .transpose(1, 2)?;
-
-            let (k, v) = match &self.kv_cache {
-                None => (k, v),
-                Some((prev_k, prev_v)) => {
-                    let k = Tensor::cat(&[prev_k, &k], 2)?;
-                    let v = Tensor::cat(&[prev_v, &v], 2)?;
-                    (k, v)
-                }
-            };
-            self.kv_cache = Some((k.clone(), v.clone()));
-
-            let k = repeat_interleave(&k, self.n_head / self.n_local_heads, 1)?;
-            let v = repeat_interleave(&v, self.n_head / self.n_local_heads, 1)?;
-
-            let scale = 1f64 / f64::sqrt(self.head_dim as f64);
-            let attn_weights = (q.matmul(&k.transpose(2, 3)?)? * scale)?;
-
-            let attn_weights = attn_weights.broadcast_add(mask)?;
-            let attn_weights = candle_nn::ops::softmax_last_dim(&attn_weights)?;
-            let attn_output = attn_weights.matmul(&v)?;
-            attn_output
-                .transpose(1, 2)?
-                .reshape((b_sz, seqlen, self.dim))?
-                .apply(&self.wo)
-        }
-
-        fn clear_kv_cache(&mut self) {
-            self.kv_cache = None
-        }
-    }
-
-    #[derive(Debug, Clone)]
-    struct Block {
-        attention: Attention,
-        feed_forward: FeedForward,
-        ffn_norm: RmsNorm,
-        attention_norm: RmsNorm,
-    }
-
-    impl Block {
-        fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-            let attention = Attention::new(cfg, vb.pp("attention"))?;
-            let feed_forward = FeedForward::new(cfg, vb.pp("feed_forward"))?;
-            let ffn_norm = rms_norm(cfg.dim, cfg.norm_eps, vb.pp("ffn_norm"))?;
-            let attention_norm = rms_norm(cfg.dim, cfg.norm_eps, vb.pp("attention_norm"))?;
-            Ok(Self {
-                attention,
-                feed_forward,
-                ffn_norm,
-                attention_norm,
-            })
-        }
-
-        fn forward(&mut self, xs: &Tensor, pos: usize, mask: &Tensor) -> Result<Tensor> {
-            let hs = xs.apply(&self.attention_norm)?;
-            let hs = (xs + self.attention.forward(&hs, pos, mask))?;
-            &hs + hs.apply(&self.ffn_norm)?.apply(&self.feed_forward)
-        }
-
-        fn clear_kv_cache(&mut self) {
-            self.attention.clear_kv_cache()
-        }
-    }
-
-    #[derive(Debug, Clone)]
-    pub struct Model {
-        tok_embeddings: Embedding,
-        pos_embeddings: Embedding,
-        speaker_cond_pos: Linear,
-        layers: Vec<Block>,
-        norm: RmsNorm,
-        output: Linear,
-        spk_cond_mask: Tensor,
-    }
-
-    impl Model {
-        pub fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-            let tok_embeddings = embedding(cfg.vocab_size, cfg.dim, vb.pp("tok_embeddings"))?;
-            let pos_embeddings = embedding(cfg.block_size, cfg.dim, vb.pp("pos_embeddings"))?;
-            let speaker_cond_pos = linear_b(
-                cfg.speaker_emb_dim,
-                cfg.dim,
-                false,
-                vb.pp("speaker_cond_pos"),
-            )?;
-            let mut layers = Vec::with_capacity(cfg.n_layer);
-            let vb_l = vb.pp("layers");
-            for layer_idx in 0..cfg.n_layer {
-                let layer = Block::new(cfg, vb_l.pp(layer_idx))?;
-                layers.push(layer)
-            }
-            let norm = rms_norm(cfg.dim, cfg.norm_eps, vb.pp("norm"))?;
-            let output = linear_b(cfg.dim, cfg.vocab_size, false, vb.pp("output"))?;
-            let dtype = vb.dtype();
-            let spk_cond_mask = Tensor::cat(
-                &[
-                    Tensor::ones((1, 1, cfg.dim), dtype, vb.device())?,
-                    Tensor::zeros((1, 1, cfg.dim), dtype, vb.device())?,
-                ],
-                0,
-            )?;
-            Ok(Self {
-                tok_embeddings,
-                pos_embeddings,
-                speaker_cond_pos,
-                layers,
-                norm,
-                output,
-                spk_cond_mask,
-            })
-        }
-
-        pub fn clear_kv_cache(&mut self) {
-            for layer in self.layers.iter_mut() {
-                layer.clear_kv_cache()
-            }
-        }
-
-        pub fn forward(&mut self, xs: &Tensor, spk_emb: &Tensor, pos: usize) -> Result<Tensor> {
-            let (_b_sz, seqlen) = xs.dims2()?;
-            let mask: Vec<_> = (0..seqlen)
-                .flat_map(|i| (0..seqlen).map(move |j| if i < j { f32::NEG_INFINITY } else { 0. }))
-                .collect();
-            let mask = Tensor::from_slice(&mask, (1, 1, seqlen, seqlen), xs.device())?;
-            let input_pos = Tensor::arange(pos as u32, (pos + seqlen) as u32, xs.device())?;
-            let tok_embeddings = xs.apply(&self.tok_embeddings)?;
-            let pos_embeddings = input_pos.apply(&self.pos_embeddings)?;
-            let mut xs = tok_embeddings
-                .broadcast_add(&pos_embeddings)?
-                .broadcast_add(
-                    &spk_emb
-                        .apply(&self.speaker_cond_pos)?
-                        .broadcast_mul(&self.spk_cond_mask)?,
-                )?;
-            let mask = mask.to_dtype(xs.dtype())?;
-            for layer in self.layers.iter_mut() {
-                xs = layer.forward(&xs, pos, &mask)?
-            }
-            xs.narrow(1, seqlen - 1, 1)?
-                .apply(&self.norm)?
-                .apply(&self.output)
-        }
-    }
-}
-
-pub mod adapters {
-    // https://github.com/metavoiceio/metavoice-src/blob/9078234c496d76adbec06df789b6b04b1875f129/fam/llm/adapters/tilted_encodec.py
-    pub struct TiltedEncodec {
-        end_of_audio_token: u32,
-    }
-
-    impl TiltedEncodec {
-        pub fn new(end_of_audio_token: u32) -> Self {
-            Self { end_of_audio_token }
-        }
-
-        pub fn decode(&self, tokens: &[Vec<u32>]) -> (Vec<u32>, Vec<Vec<u32>>) {
-            let mut text_ids = vec![];
-            let mut extracted_audio_ids = vec![];
-            let mut min_audio_ids_len = usize::MAX;
-            for (book_id, tokens) in tokens.iter().enumerate() {
-                let mut audio_ids = vec![];
-                for &t in tokens.iter() {
-                    #[allow(clippy::comparison_chain)]
-                    if t > self.end_of_audio_token {
-                        if book_id == 0 {
-                            text_ids.push(t)
-                        }
-                    } else if t < self.end_of_audio_token {
-                        audio_ids.push(t)
-                    }
-                }
-                min_audio_ids_len = usize::min(min_audio_ids_len, audio_ids.len());
-                extracted_audio_ids.push(audio_ids)
-            }
-            for audio_ids in extracted_audio_ids.iter_mut() {
-                audio_ids.truncate(min_audio_ids_len)
-            }
-            (text_ids, extracted_audio_ids)
-        }
-    }
-
-    // https://github.com/metavoiceio/metavoice-src/blob/9078234c496d76adbec06df789b6b04b1875f129/fam/llm/adapters/flattened_encodec.py#L4
-    pub struct FlattenedInterleavedEncodec2Codebook {
-        end_of_audio_token: u32,
-    }
-
-    impl FlattenedInterleavedEncodec2Codebook {
-        pub fn new(end_of_audio_token: u32) -> Self {
-            Self { end_of_audio_token }
-        }
-
-        pub fn decode(&self, tokens: &[u32]) -> (Vec<u32>, Vec<u32>, Vec<u32>) {
-            let mut text_ids = vec![];
-            let mut audio_ids1 = vec![];
-            let mut audio_ids2 = vec![];
-            for &t in tokens.iter() {
-                #[allow(clippy::comparison_chain)]
-                if t < self.end_of_audio_token {
-                    audio_ids1.push(t)
-                } else if t < 2 * self.end_of_audio_token {
-                    audio_ids2.push(t - self.end_of_audio_token)
-                } else {
-                    text_ids.push(t)
-                }
-            }
-            (text_ids, audio_ids1, audio_ids2)
-        }
-    }
-}

candle-transformers/src/models/mod.rs

@@ -8,17 +8,13 @@ pub mod convnext;
 pub mod dinov2;
 pub mod distilbert;
 pub mod efficientnet;
-pub mod efficientvit;
-pub mod encodec;
 pub mod falcon;
-pub mod gemma;
 pub mod jina_bert;
 pub mod llama;
 pub mod llama2_c;
 pub mod llama2_c_weights;
 pub mod mamba;
 pub mod marian;
-pub mod metavoice;
 pub mod mistral;
 pub mod mixformer;
 pub mod mixtral;
@@ -33,24 +29,20 @@ pub mod quantized_llama2_c;
 pub mod quantized_mistral;
 pub mod quantized_mixformer;
 pub mod quantized_mpt;
-pub mod quantized_rwkv_v5;
-pub mod quantized_rwkv_v6;
 pub mod quantized_stable_lm;
 pub mod quantized_t5;
 pub mod qwen2;
 pub mod repvgg;
 pub mod resnet;
 pub mod rwkv_v5;
-pub mod rwkv_v6;
-pub mod segformer;
 pub mod segment_anything;
 pub mod stable_diffusion;
 pub mod stable_lm;
-pub mod starcoder2;
 pub mod t5;
 pub mod trocr;
 pub mod vgg;
 pub mod vit;
+pub mod vocos;
 pub mod whisper;
 pub mod with_tracing;
 pub mod wuerstchen;

candle-transformers/src/models/quantized_llama.rs

@@ -157,16 +157,16 @@ struct LayerWeights {
     head_dim: usize,
     cos: Tensor,
     sin: Tensor,
-    neg_inf: Tensor,
     kv_cache: Option<(Tensor, Tensor)>,
     span_attn: tracing::Span,
     span_rot: tracing::Span,
     span_mlp: tracing::Span,
 }
 
-fn masked_fill(on_false: &Tensor, mask: &Tensor, on_true: &Tensor) -> Result<Tensor> {
+fn masked_fill(on_false: &Tensor, mask: &Tensor, on_true: f32) -> Result<Tensor> {
     let shape = mask.shape();
-    let m = mask.where_cond(&on_true.broadcast_as(shape.dims())?, on_false)?;
+    let on_true = Tensor::new(on_true, on_false.device())?.broadcast_as(shape.dims())?;
+    let m = mask.where_cond(&on_true, on_false)?;
     Ok(m)
 }
 
@@ -240,7 +240,7 @@ impl LayerWeights {
 
         let att = (q.matmul(&k.t()?)? / (self.head_dim as f64).sqrt())?;
         let mask = mask.broadcast_as(att.shape())?;
-        let att = masked_fill(&att, &mask, &self.neg_inf)?;
+        let att = masked_fill(&att, &mask, f32::NEG_INFINITY)?;
         let att = candle_nn::ops::softmax_last_dim(&att)?;
         // Convert to contiguous as matmul doesn't support strided vs for now.
         let y = att.matmul(&v.contiguous()?)?;
@@ -298,7 +298,6 @@ impl ModelWeights {
     pub fn from_ggml(mut ct: ggml_file::Content, gqa: usize) -> Result<Self> {
         let head_dim = (ct.hparams.n_embd / ct.hparams.n_head) as usize;
         let (cos, sin) = precomput_freqs_cis(head_dim, 10000., &ct.device)?;
-        let neg_inf = Tensor::new(f32::NEG_INFINITY, &ct.device)?;
         let tok_embeddings = ct.remove("tok_embeddings.weight")?;
         let tok_embeddings = tok_embeddings.dequantize(&ct.device)?;
         let norm = RmsNorm::new(ct.remove("norm.weight")?, 1e-5)?;
@@ -338,7 +337,6 @@ impl ModelWeights {
                 head_dim: (ct.hparams.n_embd / ct.hparams.n_head) as usize,
                 cos: cos.clone(),
                 sin: sin.clone(),
-                neg_inf: neg_inf.clone(),
                 kv_cache: None,
                 span_attn,
                 span_rot,
@@ -387,7 +385,6 @@ impl ModelWeights {
             .and_then(|m| m.to_f32())
             .unwrap_or(10000f32);
         let (cos, sin) = precomput_freqs_cis(rope_dim, rope_freq_base, device)?;
-        let neg_inf = Tensor::new(f32::NEG_INFINITY, device)?;
 
         let tok_embeddings = ct.tensor(reader, "token_embd.weight", device)?;
         let tok_embeddings = tok_embeddings.dequantize(device)?;
@@ -458,7 +455,6 @@ impl ModelWeights {
                 head_dim: embedding_length / head_count,
                 cos: cos.clone(),
                 sin: sin.clone(),
-                neg_inf: neg_inf.clone(),
                 kv_cache: None,
                 span_attn,
                 span_rot,

candle-transformers/src/models/quantized_llama2_c.rs

@@ -7,7 +7,6 @@ fn silu(xs: &Tensor) -> Result<Tensor> {
     xs / (xs.neg()?.exp()? + 1.0)?
 }
 
-#[derive(Debug, Clone)]
 struct CausalSelfAttention {
     q_proj: Linear,
     k_proj: Linear,
@@ -16,13 +15,14 @@ struct CausalSelfAttention {
     n_head: usize,
     n_key_value_head: usize,
     head_dim: usize,
+    cache: Cache,
 }
 
 impl CausalSelfAttention {
-    fn apply_rotary_emb(&self, x: &Tensor, index_pos: usize, cache: &Cache) -> Result<Tensor> {
+    fn apply_rotary_emb(&self, x: &Tensor, index_pos: usize) -> Result<Tensor> {
         let (b_sz, seq_len, h, n_embd) = x.dims4()?;
-        let cos = cache.cos.i(index_pos..index_pos + seq_len)?;
-        let sin = cache.sin.i(index_pos..index_pos + seq_len)?;
+        let cos = self.cache.cos.i(index_pos..index_pos + seq_len)?;
+        let sin = self.cache.sin.i(index_pos..index_pos + seq_len)?;
         let cos = cos.unsqueeze(1)?;
         let sin = sin.unsqueeze(1)?;
         let cos = cos.broadcast_as((b_sz, seq_len, 1, n_embd / 2, 1))?;
@@ -36,13 +36,7 @@ impl CausalSelfAttention {
         Ok(rope)
     }
 
-    fn forward(
-        &self,
-        x: &Tensor,
-        index_pos: usize,
-        block_idx: usize,
-        cache: &mut Cache,
-    ) -> Result<Tensor> {
+    fn forward(&self, x: &Tensor, index_pos: usize, block_idx: usize) -> Result<Tensor> {
         let (b_sz, seq_len, n_embd) = x.dims3()?;
         let q = self.q_proj.forward(x)?;
         let k = self.k_proj.forward(x)?;
@@ -52,15 +46,16 @@ impl CausalSelfAttention {
         let k = k.reshape((b_sz, seq_len, self.n_key_value_head, self.head_dim))?;
         let mut v = v.reshape((b_sz, seq_len, self.n_key_value_head, self.head_dim))?;
 
-        let q = self.apply_rotary_emb(&q, index_pos, cache)?;
-        let mut k = self.apply_rotary_emb(&k, index_pos, cache)?;
+        let q = self.apply_rotary_emb(&q, index_pos)?;
+        let mut k = self.apply_rotary_emb(&k, index_pos)?;
 
-        if cache.use_kv_cache {
-            if let Some((cache_k, cache_v)) = &cache.kvs[block_idx] {
+        if self.cache.use_kv_cache {
+            let mut cache = self.cache.kvs.lock().unwrap();
+            if let Some((cache_k, cache_v)) = &cache[block_idx] {
                 k = Tensor::cat(&[cache_k, &k], 1)?.contiguous()?;
                 v = Tensor::cat(&[cache_v, &v], 1)?.contiguous()?;
             }
-            cache.kvs[block_idx] = Some((k.clone(), v.clone()))
+            cache[block_idx] = Some((k.clone(), v.clone()))
         }
 
         let k = self.repeat_kv(k)?;
@@ -71,7 +66,7 @@ impl CausalSelfAttention {
         let v = v.transpose(1, 2)?.contiguous()?;
 
         let att = (q.matmul(&k.t()?)? / (self.head_dim as f64).sqrt())?;
-        let mask = cache.mask(seq_len)?.broadcast_as(att.shape())?;
+        let mask = self.cache.mask(seq_len)?.broadcast_as(att.shape())?;
         let att = masked_fill(&att, &mask, f32::NEG_INFINITY)?;
         let att = candle_nn::ops::softmax(&att, D::Minus1)?;
         // Convert to contiguous as matmul doesn't support strided vs for now.
@@ -95,7 +90,7 @@ impl CausalSelfAttention {
         }
     }
 
-    fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
+    fn load(vb: VarBuilder, cache: &Cache, cfg: &Config) -> Result<Self> {
         let size_in = cfg.dim;
         let size_q = (cfg.dim / cfg.n_heads) * cfg.n_heads;
         let size_kv = (cfg.dim / cfg.n_heads) * cfg.n_kv_heads;
@@ -111,6 +106,7 @@ impl CausalSelfAttention {
             n_head: cfg.n_heads,
             n_key_value_head: cfg.n_kv_heads,
             head_dim: cfg.dim / cfg.n_heads,
+            cache: cache.clone(),
         })
     }
 }
@@ -122,7 +118,6 @@ fn masked_fill(on_false: &Tensor, mask: &Tensor, on_true: f32) -> Result<Tensor>
     Ok(m)
 }
 
-#[derive(Debug, Clone)]
 struct Mlp {
     c_fc1: Linear,
     c_fc2: Linear,
@@ -153,7 +148,6 @@ impl Mlp {
     }
 }
 
-#[derive(Debug, Clone)]
 struct Block {
     rms_1: RmsNorm,
     attn: CausalSelfAttention,
@@ -171,23 +165,17 @@ impl Block {
         }
     }
 
-    fn forward(
-        &self,
-        x: &Tensor,
-        index_pos: usize,
-        block_idx: usize,
-        cache: &mut Cache,
-    ) -> Result<Tensor> {
+    fn forward(&self, x: &Tensor, index_pos: usize, block_idx: usize) -> Result<Tensor> {
         let residual = x;
         let x = self.rms_1.forward(x)?;
-        let x = (self.attn.forward(&x, index_pos, block_idx, cache)? + residual)?;
+        let x = (self.attn.forward(&x, index_pos, block_idx)? + residual)?;
         let residual = &x;
         let x = (self.mlp.forward(&self.rms_2.forward(&x)?)? + residual)?;
         Ok(x)
     }
 
-    fn load(vb: VarBuilder, cfg: &Config) -> Result<Self> {
-        let attn = CausalSelfAttention::load(vb.pp("self_attn"), cfg)?;
+    fn load(vb: VarBuilder, cache: &Cache, cfg: &Config) -> Result<Self> {
+        let attn = CausalSelfAttention::load(vb.pp("self_attn"), cache, cfg)?;
         let mlp = Mlp::load(vb.pp("mlp"), cfg)?;
         let input_layernorm = RmsNorm::new(cfg.dim, cfg.norm_eps, vb.pp("input_layernorm"))?;
         let post_attention_layernorm =
@@ -201,7 +189,6 @@ impl Block {
     }
 }
 
-#[derive(Debug, Clone)]
 pub struct QLlama {
     wte: Embedding,
     blocks: Vec<Block>,
@@ -211,23 +198,23 @@ pub struct QLlama {
 }
 
 impl QLlama {
-    pub fn forward(&self, x: &Tensor, index_pos: usize, cache: &mut Cache) -> Result<Tensor> {
+    pub fn forward(&self, x: &Tensor, index_pos: usize) -> Result<Tensor> {
         let (_b_sz, _seq_len) = x.dims2()?;
         let mut x = self.wte.forward(x)?;
         for (block_idx, block) in self.blocks.iter().enumerate() {
-            x = block.forward(&x, index_pos, block_idx, cache)?;
+            x = block.forward(&x, index_pos, block_idx)?;
         }
         let x = self.ln_f.forward(&x)?;
         let logits = self.lm_head.forward(&x)?;
         logits.to_dtype(DType::F32)
     }
 
-    pub fn load(vb: VarBuilder, cfg: Config) -> Result<Self> {
+    pub fn load(vb: VarBuilder, cache: &Cache, cfg: Config) -> Result<Self> {
         let wte = Embedding::new(cfg.vocab_size, cfg.dim, vb.pp("model.embed_tokens"))?;
         let lm_head = linear(cfg.dim, cfg.vocab_size, vb.pp("lm_head"))?;
         let ln_f = RmsNorm::new(cfg.dim, cfg.norm_eps, vb.pp("model.norm"))?;
         let blocks: Vec<_> = (0..cfg.n_layers)
-            .map(|i| Block::load(vb.pp(format!("model.layers.{i}")), &cfg).unwrap())
+            .map(|i| Block::load(vb.pp(format!("model.layers.{i}")), cache, &cfg).unwrap())
             .collect();
         Ok(Self {
             wte,

candle-transformers/src/models/quantized_rwkv_v5.rs

@@ -1,286 +0,0 @@
-use crate::{
-    quantized_nn::{layer_norm, linear_no_bias as linear, Embedding, Linear},
-    quantized_var_builder::VarBuilder,
-};
-use candle::{IndexOp, Result, Tensor};
-use candle_nn::{GroupNorm, LayerNorm, Module};
-
-pub use crate::models::rwkv_v5::{Config, State, Tokenizer};
-
-#[derive(Debug, Clone)]
-struct SelfAttention {
-    key: Linear,
-    receptance: Linear,
-    value: Linear,
-    gate: Linear,
-    output: Linear,
-    ln_x: candle_nn::GroupNorm,
-    time_mix_key: Tensor,
-    time_mix_value: Tensor,
-    time_mix_receptance: Tensor,
-    time_decay: Tensor,
-    time_faaaa: Tensor,
-    time_mix_gate: Tensor,
-    layer_id: usize,
-    n_attn_heads: usize,
-}
-
-impl SelfAttention {
-    fn new(layer_id: usize, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let hidden_size = cfg.hidden_size;
-        let attn_hidden_size = cfg.attention_hidden_size;
-        let key = linear(hidden_size, attn_hidden_size, vb.pp("key"))?;
-        let receptance = linear(hidden_size, attn_hidden_size, vb.pp("receptance"))?;
-        let value = linear(hidden_size, attn_hidden_size, vb.pp("value"))?;
-        let gate = linear(hidden_size, attn_hidden_size, vb.pp("gate"))?;
-        let output = linear(attn_hidden_size, hidden_size, vb.pp("output"))?;
-
-        let vb_x = vb.pp("ln_x");
-        let ln_x_weight = vb_x.get(hidden_size, "weight")?.dequantize(vb.device())?;
-        let ln_x_bias = vb_x.get(hidden_size, "bias")?.dequantize(vb.device())?;
-
-        let ln_x = GroupNorm::new(
-            ln_x_weight,
-            ln_x_bias,
-            hidden_size,
-            hidden_size / cfg.head_size,
-            1e-5,
-        )?;
-
-        let time_mix_key = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_key")?
-            .dequantize(vb.device())?;
-        let time_mix_value = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_value")?
-            .dequantize(vb.device())?;
-        let time_mix_receptance = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_receptance")?
-            .dequantize(vb.device())?;
-        let n_attn_heads = cfg.hidden_size / cfg.head_size;
-        let time_decay = vb
-            .get((n_attn_heads, cfg.head_size), "time_decay")?
-            .dequantize(vb.device())?;
-        let time_faaaa = vb
-            .get((n_attn_heads, cfg.head_size), "time_faaaa")?
-            .dequantize(vb.device())?;
-        let time_mix_gate = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_gate")?
-            .dequantize(vb.device())?;
-        Ok(Self {
-            key,
-            value,
-            receptance,
-            gate,
-            output,
-            ln_x,
-            time_mix_key,
-            time_mix_value,
-            time_mix_receptance,
-            time_decay,
-            time_faaaa,
-            time_mix_gate,
-            layer_id,
-            n_attn_heads,
-        })
-    }
-
-    pub fn forward(&self, xs: &Tensor, state: &mut State) -> Result<Tensor> {
-        let h = self.time_decay.dim(0)?;
-        let (b, t, s) = xs.dims3()?;
-        let s = s / h;
-        let (receptance, key, value, gate) = {
-            // extract key-value
-            let shifted = state.per_layer[self.layer_id].extract_key_value.clone();
-            let shifted = if shifted.rank() == 2 {
-                shifted.unsqueeze(1)?
-            } else {
-                shifted
-            };
-            let key = ((xs * &self.time_mix_key)? + &shifted * (1.0 - &self.time_mix_key)?)?;
-            let value = ((xs * &self.time_mix_value)? + &shifted * (1.0 - &self.time_mix_value)?)?;
-            let receptance = ((xs * &self.time_mix_receptance)?
-                + &shifted * (1.0 - &self.time_mix_receptance)?)?;
-            let gate = ((xs * &self.time_mix_gate)? + &shifted * (1.0 - &self.time_mix_gate)?)?;
-
-            let key = self.key.forward(&key)?;
-            let value = self.value.forward(&value)?;
-            let receptance = self.receptance.forward(&receptance)?;
-            let gate = candle_nn::ops::silu(&self.gate.forward(&gate)?)?;
-            state.per_layer[self.layer_id].extract_key_value = xs.i((.., t - 1))?;
-            (receptance, key, value, gate)
-        };
-        // linear attention
-        let mut state_ = state.per_layer[self.layer_id].linear_attention.clone();
-        let key = key.reshape((b, t, h, s))?.permute((0, 2, 3, 1))?;
-        let value = value.reshape((b, t, h, s))?.transpose(1, 2)?;
-        let receptance = receptance.reshape((b, t, h, s))?.transpose(1, 2)?;
-
-        let time_decay = self
-            .time_decay
-            .exp()?
-            .neg()?
-            .exp()?
-            .reshape(((), 1, 1))?
-            .reshape((self.n_attn_heads, (), 1))?;
-        let time_faaaa =
-            self.time_faaaa
-                .reshape(((), 1, 1))?
-                .reshape((self.n_attn_heads, (), 1))?;
-
-        let mut out: Vec<Tensor> = Vec::with_capacity(t);
-        for t_ in 0..t {
-            let rt = receptance.i((.., .., t_..t_ + 1))?.contiguous()?;
-            let kt = key.i((.., .., .., t_..t_ + 1))?.contiguous()?;
-            let vt = value.i((.., .., t_..t_ + 1))?.contiguous()?;
-            let at = kt.matmul(&vt)?;
-            let rhs = (time_faaaa.broadcast_mul(&at)? + &state_)?;
-            let out_ = rt.matmul(&rhs)?.squeeze(2)?;
-            state_ = (&at + time_decay.broadcast_mul(&state_))?;
-            out.push(out_)
-        }
-        let out = Tensor::cat(&out, 1)?.reshape((b * t, h * s, 1))?;
-        let out = out.apply(&self.ln_x)?.reshape((b, t, h * s))?;
-        let out = (out * gate)?.apply(&self.output)?;
-        state.per_layer[self.layer_id].linear_attention = state_;
-        Ok(out)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct FeedForward {
-    time_mix_key: Tensor,
-    time_mix_receptance: Tensor,
-    key: Linear,
-    receptance: Linear,
-    value: Linear,
-    layer_id: usize,
-}
-
-impl FeedForward {
-    fn new(layer_id: usize, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let int_size = cfg
-            .intermediate_size
-            .unwrap_or(((cfg.hidden_size as f64 * 3.5) as usize) / 32 * 32);
-        let key = linear(cfg.hidden_size, int_size, vb.pp("key"))?;
-        let receptance = linear(cfg.hidden_size, cfg.hidden_size, vb.pp("receptance"))?;
-        let value = linear(int_size, cfg.hidden_size, vb.pp("value"))?;
-        let time_mix_key = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_key")?
-            .dequantize(vb.device())?;
-        let time_mix_receptance = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_receptance")?
-            .dequantize(vb.device())?;
-        Ok(Self {
-            key,
-            receptance,
-            value,
-            time_mix_key,
-            time_mix_receptance,
-            layer_id,
-        })
-    }
-
-    fn forward(&self, xs: &Tensor, state: &mut State) -> Result<Tensor> {
-        let shifted = &state.per_layer[self.layer_id].feed_forward;
-        let key = (xs.broadcast_mul(&self.time_mix_key)?
-            + shifted.broadcast_mul(&(1.0 - &self.time_mix_key)?)?)?;
-        let receptance = (xs.broadcast_mul(&self.time_mix_receptance)?
-            + shifted.broadcast_mul(&(1.0 - &self.time_mix_receptance)?)?)?;
-        let key = key.apply(&self.key)?.relu()?.sqr()?;
-        let value = key.apply(&self.value)?;
-        let receptance = candle_nn::ops::sigmoid(&receptance.apply(&self.receptance)?)?;
-        state.per_layer[self.layer_id].feed_forward = xs.i((.., xs.dim(1)? - 1))?;
-        let xs = (receptance * value)?;
-        Ok(xs)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct Block {
-    pre_ln: Option<LayerNorm>,
-    ln1: LayerNorm,
-    ln2: LayerNorm,
-    attention: SelfAttention,
-    feed_forward: FeedForward,
-}
-
-impl Block {
-    fn new(layer_id: usize, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let ln1 = layer_norm(cfg.hidden_size, cfg.layer_norm_epsilon, vb.pp("ln1"))?;
-        let ln2 = layer_norm(cfg.hidden_size, cfg.layer_norm_epsilon, vb.pp("ln2"))?;
-        let pre_ln = if layer_id == 0 {
-            let ln = layer_norm(cfg.hidden_size, cfg.layer_norm_epsilon, vb.pp("pre_ln"))?;
-            Some(ln)
-        } else {
-            None
-        };
-        let attention = SelfAttention::new(layer_id, cfg, vb.pp("attention"))?;
-        let feed_forward = FeedForward::new(layer_id, cfg, vb.pp("feed_forward"))?;
-        Ok(Self {
-            pre_ln,
-            ln1,
-            ln2,
-            attention,
-            feed_forward,
-        })
-    }
-
-    fn forward(&self, xs: &Tensor, state: &mut State) -> Result<Tensor> {
-        let xs = match self.pre_ln.as_ref() {
-            None => xs.clone(),
-            Some(pre_ln) => xs.apply(pre_ln)?,
-        };
-        let attention = self.attention.forward(&xs.apply(&self.ln1)?, state)?;
-        let xs = (xs + attention)?;
-        let feed_forward = self.feed_forward.forward(&xs.apply(&self.ln2)?, state)?;
-        let xs = (xs + feed_forward)?;
-        Ok(xs)
-    }
-}
-
-#[derive(Debug, Clone)]
-pub struct Model {
-    embeddings: Embedding,
-    blocks: Vec<Block>,
-    ln_out: LayerNorm,
-    head: Linear,
-    rescale_every: usize,
-    layers_are_rescaled: bool,
-}
-
-impl Model {
-    pub fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let vb_m = vb.pp("rwkv");
-        let embeddings = Embedding::new(cfg.vocab_size, cfg.hidden_size, vb_m.pp("embeddings"))?;
-        let mut blocks = Vec::with_capacity(cfg.num_hidden_layers);
-        let vb_b = vb_m.pp("blocks");
-        for block_index in 0..cfg.num_hidden_layers {
-            let block = Block::new(block_index, cfg, vb_b.pp(block_index))?;
-            blocks.push(block)
-        }
-        let ln_out = layer_norm(cfg.hidden_size, 1e-5, vb_m.pp("ln_out"))?;
-        let head = linear(cfg.hidden_size, cfg.vocab_size, vb.pp("head"))?;
-        Ok(Self {
-            embeddings,
-            blocks,
-            ln_out,
-            head,
-            rescale_every: cfg.rescale_every,
-            layers_are_rescaled: false, // This seem to only happen for the f16/bf16 dtypes.
-        })
-    }
-
-    pub fn forward(&self, xs: &Tensor, state: &mut State) -> Result<Tensor> {
-        let (_b_size, _seq_len) = xs.dims2()?;
-        let mut xs = xs.apply(&self.embeddings)?;
-        for (block_idx, block) in self.blocks.iter().enumerate() {
-            xs = block.forward(&xs, state)?;
-            if self.layers_are_rescaled && (block_idx + 1) % self.rescale_every == 0 {
-                xs = (xs / 2.)?
-            }
-        }
-        let xs = xs.apply(&self.ln_out)?.apply(&self.head)?;
-        state.pos += 1;
-        Ok(xs)
-    }
-}

candle-transformers/src/models/quantized_rwkv_v6.rs

@@ -1,332 +0,0 @@
-use crate::{
-    quantized_nn::{layer_norm, linear_no_bias as linear, Embedding, Linear},
-    quantized_var_builder::VarBuilder,
-};
-use candle::{IndexOp, Result, Tensor};
-use candle_nn::{GroupNorm, LayerNorm, Module};
-
-pub use crate::models::rwkv_v5::{Config, State, Tokenizer};
-
-#[derive(Debug, Clone)]
-struct SelfAttention {
-    key: Linear,
-    receptance: Linear,
-    value: Linear,
-    gate: Linear,
-    output: Linear,
-    ln_x: candle_nn::GroupNorm,
-    time_mix_x: Tensor,
-    time_mix_w: Tensor,
-    time_mix_key: Tensor,
-    time_mix_value: Tensor,
-    time_mix_receptance: Tensor,
-    time_decay: Tensor,
-    time_faaaa: Tensor,
-    time_mix_gate: Tensor,
-    time_decay_w1: Tensor,
-    time_decay_w2: Tensor,
-    time_mix_w1: Tensor,
-    time_mix_w2: Tensor,
-    layer_id: usize,
-    n_attn_heads: usize,
-}
-
-impl SelfAttention {
-    fn new(layer_id: usize, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let hidden_size = cfg.hidden_size;
-        let attn_hidden_size = cfg.attention_hidden_size;
-        let key = linear(hidden_size, attn_hidden_size, vb.pp("key"))?;
-        let receptance = linear(hidden_size, attn_hidden_size, vb.pp("receptance"))?;
-        let value = linear(hidden_size, attn_hidden_size, vb.pp("value"))?;
-        let gate = linear(hidden_size, attn_hidden_size, vb.pp("gate"))?;
-        let output = linear(attn_hidden_size, hidden_size, vb.pp("output"))?;
-
-        let vb_x = vb.pp("ln_x");
-        let ln_x_weight = vb_x.get(hidden_size, "weight")?.dequantize(vb.device())?;
-        let ln_x_bias = vb_x.get(hidden_size, "bias")?.dequantize(vb.device())?;
-
-        let ln_x = GroupNorm::new(
-            ln_x_weight,
-            ln_x_bias,
-            hidden_size,
-            hidden_size / cfg.head_size,
-            1e-5,
-        )?;
-
-        let time_mix_x = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_x")?
-            .dequantize(vb.device())?;
-        let time_mix_w = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_w")?
-            .dequantize(vb.device())?;
-        let time_mix_key = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_key")?
-            .dequantize(vb.device())?;
-        let time_mix_value = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_value")?
-            .dequantize(vb.device())?;
-        let time_mix_receptance = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_receptance")?
-            .dequantize(vb.device())?;
-        let n_attn_heads = cfg.hidden_size / cfg.head_size;
-        let time_decay = vb
-            .get((1, 1, cfg.hidden_size), "time_decay")?
-            .dequantize(vb.device())?;
-        let time_faaaa = vb
-            .get((n_attn_heads, cfg.head_size), "time_faaaa")?
-            .dequantize(vb.device())?;
-        let time_mix_gate = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_gate")?
-            .dequantize(vb.device())?;
-        let time_decay_w1 = vb
-            .get((cfg.hidden_size, n_attn_heads * 2), "time_decay_w1")?
-            .dequantize(vb.device())?;
-        let time_decay_w2 = vb
-            .get((n_attn_heads * 2, cfg.hidden_size), "time_decay_w2")?
-            .dequantize(vb.device())?;
-        let time_mix_w1 = vb
-            .get((cfg.hidden_size, n_attn_heads * 5), "time_mix_w1")?
-            .dequantize(vb.device())?;
-        let time_mix_w2 = vb
-            .get((5, n_attn_heads, cfg.hidden_size), "time_mix_w2")?
-            .dequantize(vb.device())?;
-        Ok(Self {
-            key,
-            value,
-            receptance,
-            gate,
-            output,
-            ln_x,
-            time_mix_x,
-            time_mix_w,
-            time_mix_key,
-            time_mix_value,
-            time_mix_receptance,
-            time_decay,
-            time_faaaa,
-            time_mix_gate,
-            time_decay_w1,
-            time_decay_w2,
-            time_mix_w1,
-            time_mix_w2,
-            layer_id,
-            n_attn_heads,
-        })
-    }
-
-    pub fn forward(&self, xs: &Tensor, state: &mut State) -> Result<Tensor> {
-        let h = self.n_attn_heads;
-        let (b, t, s) = xs.dims3()?;
-        let s = s / h;
-        let (receptance, key, value, gate, w) = {
-            // extract key-value
-            let shifted = state.per_layer[self.layer_id].extract_key_value.clone();
-            let shifted = if shifted.rank() == 2 {
-                shifted.unsqueeze(1)?
-            } else {
-                shifted
-            };
-
-            let sx = (&shifted - xs)?;
-            let xxx = (xs + &sx * &self.time_mix_x)?;
-            let xxx = xxx
-                .broadcast_matmul(&self.time_mix_w1)?
-                .tanh()?
-                .reshape((b * t, 5, ()))?
-                .transpose(0, 1)?;
-
-            let xxx = xxx.matmul(&self.time_mix_w2)?.reshape((5, b, t, ()))?;
-
-            let (mw, mk, mv, mr, mg) = (xxx.i(0)?, xxx.i(1)?, xxx.i(2)?, xxx.i(3)?, xxx.i(4)?);
-
-            let xw = (xs + &sx * (&self.time_mix_w + &mw)?)?;
-            let xk = (xs + &sx * (&self.time_mix_key + &mk)?)?;
-            let xv = (xs + &sx * (&self.time_mix_value + &mv)?)?;
-            let xr = (xs + &sx * (&self.time_mix_receptance + &mr)?)?;
-            let xg = (xs + &sx * (&self.time_mix_gate + &mg)?)?;
-
-            let w = (&self.time_decay
-                + xw.broadcast_matmul(&self.time_decay_w1)?
-                    .tanh()?
-                    .broadcast_matmul(&self.time_decay_w2)?)?
-            .reshape(((), 1, 1))?
-            .reshape((self.n_attn_heads, (), 1))?;
-
-            let key = self.key.forward(&xk)?;
-            let value = self.value.forward(&xv)?;
-            let receptance = self.receptance.forward(&xr)?;
-            let gate = candle_nn::ops::silu(&self.gate.forward(&xg)?)?;
-            state.per_layer[self.layer_id].extract_key_value = xs.i((.., t - 1))?;
-            (receptance, key, value, gate, w)
-        };
-
-        // linear attention
-        let mut state_ = state.per_layer[self.layer_id].linear_attention.clone();
-        let key = key.reshape((b, t, h, s))?.permute((0, 2, 3, 1))?;
-        let value = value.reshape((b, t, h, s))?.transpose(1, 2)?;
-        let receptance = receptance.reshape((b, t, h, s))?.transpose(1, 2)?;
-
-        let w = w.exp()?.neg()?.exp()?;
-
-        let time_faaaa =
-            self.time_faaaa
-                .reshape(((), 1, 1))?
-                .reshape((self.n_attn_heads, (), 1))?;
-
-        let mut out: Vec<Tensor> = Vec::with_capacity(t);
-        for t_ in 0..t {
-            let rt = receptance.i((.., .., t_..t_ + 1))?.contiguous()?;
-            let kt = key.i((.., .., .., t_..t_ + 1))?.contiguous()?;
-            let vt = value.i((.., .., t_..t_ + 1))?.contiguous()?;
-            let at = kt.matmul(&vt)?;
-            let rhs = (time_faaaa.broadcast_mul(&at)? + &state_)?;
-            let out_ = rt.matmul(&rhs)?.squeeze(2)?;
-            state_ = (&at + w.broadcast_mul(&state_))?;
-            out.push(out_)
-        }
-        let out = Tensor::cat(&out, 1)?.reshape((b * t, h * s, 1))?;
-        let out = out.apply(&self.ln_x)?.reshape((b, t, h * s))?;
-        let out = (out * gate)?.apply(&self.output)?;
-        state.per_layer[self.layer_id].linear_attention = state_;
-        Ok(out)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct FeedForward {
-    time_mix_key: Tensor,
-    time_mix_receptance: Tensor,
-    key: Linear,
-    receptance: Linear,
-    value: Linear,
-    layer_id: usize,
-}
-
-impl FeedForward {
-    fn new(layer_id: usize, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let int_size = cfg
-            .intermediate_size
-            .unwrap_or(((cfg.hidden_size as f64 * 3.5) as usize) / 32 * 32);
-        let key = linear(cfg.hidden_size, int_size, vb.pp("key"))?;
-        let receptance = linear(cfg.hidden_size, cfg.hidden_size, vb.pp("receptance"))?;
-        let value = linear(int_size, cfg.hidden_size, vb.pp("value"))?;
-        let time_mix_key = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_key")?
-            .dequantize(vb.device())?;
-        let time_mix_receptance = vb
-            .get((1, 1, cfg.hidden_size), "time_mix_receptance")?
-            .dequantize(vb.device())?;
-        Ok(Self {
-            key,
-            receptance,
-            value,
-            time_mix_key,
-            time_mix_receptance,
-            layer_id,
-        })
-    }
-
-    fn forward(&self, xs: &Tensor, state: &mut State) -> Result<Tensor> {
-        let shifted = state.per_layer[self.layer_id]
-            .feed_forward
-            .broadcast_sub(xs)?;
-        let key = (xs + shifted.broadcast_mul(&self.time_mix_key)?)?;
-        let receptance = (xs + shifted.broadcast_mul(&self.time_mix_receptance)?)?;
-        let key = key.apply(&self.key)?.relu()?.sqr()?;
-        let value = key.apply(&self.value)?;
-        let receptance = candle_nn::ops::sigmoid(&receptance.apply(&self.receptance)?)?;
-        state.per_layer[self.layer_id].feed_forward = xs.i((.., xs.dim(1)? - 1))?;
-        let xs = (receptance * value)?;
-        Ok(xs)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct Block {
-    pre_ln: Option<LayerNorm>,
-    ln1: LayerNorm,
-    ln2: LayerNorm,
-    attention: SelfAttention,
-    feed_forward: FeedForward,
-}
-
-impl Block {
-    fn new(layer_id: usize, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let ln1 = layer_norm(cfg.hidden_size, cfg.layer_norm_epsilon, vb.pp("ln1"))?;
-        let ln2 = layer_norm(cfg.hidden_size, cfg.layer_norm_epsilon, vb.pp("ln2"))?;
-        let pre_ln = if layer_id == 0 {
-            let ln = layer_norm(cfg.hidden_size, cfg.layer_norm_epsilon, vb.pp("pre_ln"))?;
-            Some(ln)
-        } else {
-            None
-        };
-        let attention = SelfAttention::new(layer_id, cfg, vb.pp("attention"))?;
-        let feed_forward = FeedForward::new(layer_id, cfg, vb.pp("feed_forward"))?;
-        Ok(Self {
-            pre_ln,
-            ln1,
-            ln2,
-            attention,
-            feed_forward,
-        })
-    }
-
-    fn forward(&self, xs: &Tensor, state: &mut State) -> Result<Tensor> {
-        let xs = match self.pre_ln.as_ref() {
-            None => xs.clone(),
-            Some(pre_ln) => xs.apply(pre_ln)?,
-        };
-        let attention = self.attention.forward(&xs.apply(&self.ln1)?, state)?;
-        let xs = (xs + attention)?;
-        let feed_forward = self.feed_forward.forward(&xs.apply(&self.ln2)?, state)?;
-        let xs = (xs + feed_forward)?;
-        Ok(xs)
-    }
-}
-
-#[derive(Debug, Clone)]
-pub struct Model {
-    embeddings: Embedding,
-    blocks: Vec<Block>,
-    ln_out: LayerNorm,
-    head: Linear,
-    rescale_every: usize,
-    layers_are_rescaled: bool,
-}
-
-impl Model {
-    pub fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let vb_m = vb.pp("rwkv");
-        let embeddings = Embedding::new(cfg.vocab_size, cfg.hidden_size, vb_m.pp("embeddings"))?;
-        let mut blocks = Vec::with_capacity(cfg.num_hidden_layers);
-        let vb_b = vb_m.pp("blocks");
-        for block_index in 0..cfg.num_hidden_layers {
-            let block = Block::new(block_index, cfg, vb_b.pp(block_index))?;
-            blocks.push(block)
-        }
-        let ln_out = layer_norm(cfg.hidden_size, 1e-5, vb_m.pp("ln_out"))?;
-        let head = linear(cfg.hidden_size, cfg.vocab_size, vb.pp("head"))?;
-        Ok(Self {
-            embeddings,
-            blocks,
-            ln_out,
-            head,
-            rescale_every: cfg.rescale_every,
-            layers_are_rescaled: false, // This seem to only happen for the f16/bf16 dtypes.
-        })
-    }
-
-    pub fn forward(&self, xs: &Tensor, state: &mut State) -> Result<Tensor> {
-        let (_b_size, _seq_len) = xs.dims2()?;
-        let mut xs = xs.apply(&self.embeddings)?;
-        for (block_idx, block) in self.blocks.iter().enumerate() {
-            xs = block.forward(&xs, state)?;
-            if self.layers_are_rescaled && (block_idx + 1) % self.rescale_every == 0 {
-                xs = (xs / 2.)?
-            }
-        }
-        let xs = xs.apply(&self.ln_out)?.apply(&self.head)?;
-        state.pos += 1;
-        Ok(xs)
-    }
-}

candle-transformers/src/models/quantized_stable_lm.rs

@@ -186,14 +186,10 @@ impl DecoderLayer {
     fn new(rotary_emb: Arc<RotaryEmbedding>, cfg: &Config, vb: VarBuilder) -> Result<Self> {
         let self_attn = Attention::new(rotary_emb, cfg, vb.pp("self_attn"))?;
         let mlp = MLP::new(cfg, vb.pp("mlp"))?;
-        let input_layernorm = layer_norm(
-            cfg.hidden_size,
-            cfg.layer_norm_eps,
-            vb.pp("input_layernorm"),
-        )?;
+        let input_layernorm = layer_norm(cfg.hidden_size, cfg.norm_eps, vb.pp("input_layernorm"))?;
         let post_attention_layernorm = layer_norm(
             cfg.hidden_size,
-            cfg.layer_norm_eps,
+            cfg.norm_eps,
             vb.pp("post_attention_layernorm"),
         )?;
         Ok(Self {
@@ -244,7 +240,7 @@ impl Model {
             let layer = DecoderLayer::new(rotary_emb.clone(), cfg, vb_l.pp(layer_idx))?;
             layers.push(layer)
         }
-        let norm = layer_norm(cfg.hidden_size, cfg.layer_norm_eps, vb_m.pp("norm"))?;
+        let norm = layer_norm(cfg.hidden_size, cfg.norm_eps, vb_m.pp("norm"))?;
         let lm_head = linear_no_bias(cfg.hidden_size, cfg.vocab_size, vb.pp("lm_head"))?;
         Ok(Self {
             embed_tokens,

candle-transformers/src/models/rwkv_v5.rs

@@ -22,15 +22,15 @@ pub struct Config {
     pub rescale_every: usize,
 }
 
-pub struct StatePerLayer {
-    pub extract_key_value: Tensor,
-    pub linear_attention: Tensor,
-    pub feed_forward: Tensor,
+struct StatePerLayer {
+    extract_key_value: Tensor,
+    linear_attention: Tensor,
+    feed_forward: Tensor,
 }
 
 pub struct State {
-    pub per_layer: Vec<StatePerLayer>,
-    pub pos: usize,
+    per_layer: Vec<StatePerLayer>,
+    pos: usize,
 }
 
 impl State {
@@ -124,7 +124,7 @@ impl SelfAttention {
         let (b, t, s) = xs.dims3()?;
         let s = s / h;
         let (receptance, key, value, gate) = {
-            // extract key-value
+            // exctract key-value
             let shifted = state.per_layer[self.layer_id].extract_key_value.clone();
             let shifted = if shifted.rank() == 2 {
                 shifted.unsqueeze(1)?
@@ -164,9 +164,10 @@ impl SelfAttention {
 
         let mut out: Vec<Tensor> = Vec::with_capacity(t);
         for t_ in 0..t {
-            let rt = receptance.i((.., .., t_..t_ + 1))?.contiguous()?;
-            let kt = key.i((.., .., .., t_..t_ + 1))?.contiguous()?;
-            let vt = value.i((.., .., t_..t_ + 1))?.contiguous()?;
+            //
+            let rt = receptance.i((.., .., t_..t_ + 1))?;
+            let kt = key.i((.., .., .., t_..t_ + 1))?;
+            let vt = value.i((.., .., t_..t_ + 1))?;
             let at = kt.matmul(&vt)?;
             let rhs = (time_faaaa.broadcast_mul(&at)? + &state_)?;
             let out_ = rt.matmul(&rhs)?.squeeze(2)?;

candle-transformers/src/models/rwkv_v6.rs

@@ -1,295 +0,0 @@
-use super::with_tracing::{layer_norm, linear_no_bias as linear, LayerNorm, Linear};
-use candle::{IndexOp, Result, Tensor};
-use candle_nn::{embedding, Embedding, Module, VarBuilder};
-
-pub use crate::models::rwkv_v5::{Config, State, Tokenizer};
-
-#[derive(Debug, Clone)]
-struct SelfAttention {
-    key: Linear,
-    receptance: Linear,
-    value: Linear,
-    gate: Linear,
-    output: Linear,
-    ln_x: candle_nn::GroupNorm,
-    time_mix_x: Tensor,
-    time_mix_w: Tensor,
-    time_mix_key: Tensor,
-    time_mix_value: Tensor,
-    time_mix_receptance: Tensor,
-    time_decay: Tensor,
-    time_faaaa: Tensor,
-    time_mix_gate: Tensor,
-    time_decay_w1: Tensor,
-    time_decay_w2: Tensor,
-    time_mix_w1: Tensor,
-    time_mix_w2: Tensor,
-    layer_id: usize,
-    n_attn_heads: usize,
-}
-
-impl SelfAttention {
-    fn new(layer_id: usize, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let hidden_size = cfg.hidden_size;
-        let attn_hidden_size = cfg.attention_hidden_size;
-        let key = linear(hidden_size, attn_hidden_size, vb.pp("key"))?;
-        let receptance = linear(hidden_size, attn_hidden_size, vb.pp("receptance"))?;
-        let value = linear(hidden_size, attn_hidden_size, vb.pp("value"))?;
-        let gate = linear(hidden_size, attn_hidden_size, vb.pp("gate"))?;
-        let output = linear(attn_hidden_size, hidden_size, vb.pp("output"))?;
-        let ln_x = candle_nn::group_norm(
-            hidden_size / cfg.head_size,
-            hidden_size,
-            1e-5,
-            vb.pp("ln_x"),
-        )?;
-
-        let time_mix_x = vb.get((1, 1, cfg.hidden_size), "time_mix_x")?;
-        let time_mix_w = vb.get((1, 1, cfg.hidden_size), "time_mix_w")?;
-        let time_mix_key = vb.get((1, 1, cfg.hidden_size), "time_mix_key")?;
-        let time_mix_value = vb.get((1, 1, cfg.hidden_size), "time_mix_value")?;
-        let time_mix_receptance = vb.get((1, 1, cfg.hidden_size), "time_mix_receptance")?;
-        let n_attn_heads = cfg.hidden_size / cfg.head_size;
-        let time_decay = vb.get((1, 1, cfg.hidden_size), "time_decay")?;
-        let time_faaaa = vb.get((n_attn_heads, cfg.head_size), "time_faaaa")?;
-        let time_mix_gate = vb.get((1, 1, cfg.hidden_size), "time_mix_gate")?;
-        let time_decay_w1 = vb.get((cfg.hidden_size, n_attn_heads * 2), "time_decay_w1")?;
-        let time_decay_w2 = vb.get((n_attn_heads * 2, cfg.hidden_size), "time_decay_w2")?;
-        let time_mix_w1 = vb.get((cfg.hidden_size, n_attn_heads * 5), "time_mix_w1")?;
-        let time_mix_w2 = vb.get((5, n_attn_heads, cfg.hidden_size), "time_mix_w2")?;
-        Ok(Self {
-            key,
-            value,
-            receptance,
-            gate,
-            output,
-            ln_x,
-            time_mix_x,
-            time_mix_w,
-            time_mix_key,
-            time_mix_value,
-            time_mix_receptance,
-            time_decay,
-            time_faaaa,
-            time_mix_gate,
-            time_decay_w1,
-            time_decay_w2,
-            time_mix_w1,
-            time_mix_w2,
-            layer_id,
-            n_attn_heads,
-        })
-    }
-
-    pub fn forward(&self, xs: &Tensor, state: &mut State) -> Result<Tensor> {
-        let h = self.n_attn_heads;
-        let (b, t, s) = xs.dims3()?;
-        let s = s / h;
-        let (receptance, key, value, gate, w) = {
-            // extract key-value
-            let shifted = state.per_layer[self.layer_id].extract_key_value.clone();
-            let shifted = if shifted.rank() == 2 {
-                shifted.unsqueeze(1)?
-            } else {
-                shifted
-            };
-
-            let sx = (&shifted - xs)?;
-            let xxx = (xs + &sx * &self.time_mix_x)?;
-            let xxx = xxx
-                .broadcast_matmul(&self.time_mix_w1)?
-                .tanh()?
-                .reshape((b * t, 5, ()))?
-                .transpose(0, 1)?;
-
-            let xxx = xxx.matmul(&self.time_mix_w2)?.reshape((5, b, t, ()))?;
-
-            let (mw, mk, mv, mr, mg) = (xxx.i(0)?, xxx.i(1)?, xxx.i(2)?, xxx.i(3)?, xxx.i(4)?);
-
-            let xw = (xs + &sx * (&self.time_mix_w + &mw)?)?;
-            let xk = (xs + &sx * (&self.time_mix_key + &mk)?)?;
-            let xv = (xs + &sx * (&self.time_mix_value + &mv)?)?;
-            let xr = (xs + &sx * (&self.time_mix_receptance + &mr)?)?;
-            let xg = (xs + &sx * (&self.time_mix_gate + &mg)?)?;
-
-            let w = (&self.time_decay
-                + xw.broadcast_matmul(&self.time_decay_w1)?
-                    .tanh()?
-                    .broadcast_matmul(&self.time_decay_w2)?)?
-            .reshape(((), 1, 1))?
-            .reshape((self.n_attn_heads, (), 1))?;
-
-            let key = self.key.forward(&xk)?;
-            let value = self.value.forward(&xv)?;
-            let receptance = self.receptance.forward(&xr)?;
-            let gate = candle_nn::ops::silu(&self.gate.forward(&xg)?)?;
-            state.per_layer[self.layer_id].extract_key_value = xs.i((.., t - 1))?;
-            (receptance, key, value, gate, w)
-        };
-
-        // linear attention
-        let mut state_ = state.per_layer[self.layer_id].linear_attention.clone();
-        let key = key.reshape((b, t, h, s))?.permute((0, 2, 3, 1))?;
-        let value = value.reshape((b, t, h, s))?.transpose(1, 2)?;
-        let receptance = receptance.reshape((b, t, h, s))?.transpose(1, 2)?;
-
-        let w = w.exp()?.neg()?.exp()?;
-
-        let time_faaaa =
-            self.time_faaaa
-                .reshape(((), 1, 1))?
-                .reshape((self.n_attn_heads, (), 1))?;
-
-        let mut out: Vec<Tensor> = Vec::with_capacity(t);
-        for t_ in 0..t {
-            let rt = receptance.i((.., .., t_..t_ + 1))?.contiguous()?;
-            let kt = key.i((.., .., .., t_..t_ + 1))?.contiguous()?;
-            let vt = value.i((.., .., t_..t_ + 1))?.contiguous()?;
-            let at = kt.matmul(&vt)?;
-            let rhs = (time_faaaa.broadcast_mul(&at)? + &state_)?;
-            let out_ = rt.matmul(&rhs)?.squeeze(2)?;
-            state_ = (&at + w.broadcast_mul(&state_))?;
-            out.push(out_)
-        }
-        let out = Tensor::cat(&out, 1)?.reshape((b * t, h * s, 1))?;
-        let out = out.apply(&self.ln_x)?.reshape((b, t, h * s))?;
-        let out = (out * gate)?.apply(&self.output)?;
-        state.per_layer[self.layer_id].linear_attention = state_;
-        Ok(out)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct FeedForward {
-    time_mix_key: Tensor,
-    time_mix_receptance: Tensor,
-    key: Linear,
-    receptance: Linear,
-    value: Linear,
-    layer_id: usize,
-}
-
-impl FeedForward {
-    fn new(layer_id: usize, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let int_size = cfg
-            .intermediate_size
-            .unwrap_or(((cfg.hidden_size as f64 * 3.5) as usize) / 32 * 32);
-        let key = linear(cfg.hidden_size, int_size, vb.pp("key"))?;
-        let receptance = linear(cfg.hidden_size, cfg.hidden_size, vb.pp("receptance"))?;
-        let value = linear(int_size, cfg.hidden_size, vb.pp("value"))?;
-        let time_mix_key = vb.get((1, 1, cfg.hidden_size), "time_mix_key")?;
-        let time_mix_receptance = vb.get((1, 1, cfg.hidden_size), "time_mix_receptance")?;
-        Ok(Self {
-            key,
-            receptance,
-            value,
-            time_mix_key,
-            time_mix_receptance,
-            layer_id,
-        })
-    }
-
-    fn forward(&self, xs: &Tensor, state: &mut State) -> Result<Tensor> {
-        let shifted = state.per_layer[self.layer_id]
-            .feed_forward
-            .broadcast_sub(xs)?;
-        let key = (xs + shifted.broadcast_mul(&self.time_mix_key)?)?;
-        let receptance = (xs + shifted.broadcast_mul(&self.time_mix_receptance)?)?;
-        let key = key.apply(&self.key)?.relu()?.sqr()?;
-        let value = key.apply(&self.value)?;
-        let receptance = candle_nn::ops::sigmoid(&receptance.apply(&self.receptance)?)?;
-        state.per_layer[self.layer_id].feed_forward = xs.i((.., xs.dim(1)? - 1))?;
-        let xs = (receptance * value)?;
-        Ok(xs)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct Block {
-    pre_ln: Option<LayerNorm>,
-    ln1: LayerNorm,
-    ln2: LayerNorm,
-    attention: SelfAttention,
-    feed_forward: FeedForward,
-}
-
-impl Block {
-    fn new(layer_id: usize, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let ln1 = layer_norm(cfg.hidden_size, cfg.layer_norm_epsilon, vb.pp("ln1"))?;
-        let ln2 = layer_norm(cfg.hidden_size, cfg.layer_norm_epsilon, vb.pp("ln2"))?;
-        let pre_ln = if layer_id == 0 {
-            let ln = layer_norm(cfg.hidden_size, cfg.layer_norm_epsilon, vb.pp("pre_ln"))?;
-            Some(ln)
-        } else {
-            None
-        };
-        let attention = SelfAttention::new(layer_id, cfg, vb.pp("attention"))?;
-        let feed_forward = FeedForward::new(layer_id, cfg, vb.pp("feed_forward"))?;
-        Ok(Self {
-            pre_ln,
-            ln1,
-            ln2,
-            attention,
-            feed_forward,
-        })
-    }
-
-    fn forward(&self, xs: &Tensor, state: &mut State) -> Result<Tensor> {
-        let xs = match self.pre_ln.as_ref() {
-            None => xs.clone(),
-            Some(pre_ln) => xs.apply(pre_ln)?,
-        };
-        let attention = self.attention.forward(&xs.apply(&self.ln1)?, state)?;
-        let xs = (xs + attention)?;
-        let feed_forward = self.feed_forward.forward(&xs.apply(&self.ln2)?, state)?;
-        let xs = (xs + feed_forward)?;
-        Ok(xs)
-    }
-}
-
-#[derive(Debug, Clone)]
-pub struct Model {
-    embeddings: Embedding,
-    blocks: Vec<Block>,
-    ln_out: LayerNorm,
-    head: Linear,
-    rescale_every: usize,
-    layers_are_rescaled: bool,
-}
-
-impl Model {
-    pub fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let vb_m = vb.pp("rwkv");
-        let embeddings = embedding(cfg.vocab_size, cfg.hidden_size, vb_m.pp("embeddings"))?;
-        let mut blocks = Vec::with_capacity(cfg.num_hidden_layers);
-        let vb_b = vb_m.pp("blocks");
-        for block_index in 0..cfg.num_hidden_layers {
-            let block = Block::new(block_index, cfg, vb_b.pp(block_index))?;
-            blocks.push(block)
-        }
-        let ln_out = layer_norm(cfg.hidden_size, 1e-5, vb_m.pp("ln_out"))?;
-        let head = linear(cfg.hidden_size, cfg.vocab_size, vb.pp("head"))?;
-        Ok(Self {
-            embeddings,
-            blocks,
-            ln_out,
-            head,
-            rescale_every: cfg.rescale_every,
-            layers_are_rescaled: false, // This seem to only happen for the f16/bf16 dtypes.
-        })
-    }
-
-    pub fn forward(&self, xs: &Tensor, state: &mut State) -> Result<Tensor> {
-        let (_b_size, _seq_len) = xs.dims2()?;
-        let mut xs = xs.apply(&self.embeddings)?;
-        for (block_idx, block) in self.blocks.iter().enumerate() {
-            xs = block.forward(&xs, state)?;
-            if self.layers_are_rescaled && (block_idx + 1) % self.rescale_every == 0 {
-                xs = (xs / 2.)?
-            }
-        }
-        let xs = xs.apply(&self.ln_out)?.apply(&self.head)?;
-        state.pos += 1;
-        Ok(xs)
-    }
-}

candle-transformers/src/models/segformer.rs

@@ -1,705 +0,0 @@
-use crate::models::with_tracing::{conv2d, linear, Conv2d, Linear};
-use candle::{Module, ModuleT, Result, Tensor, D};
-use candle_nn::{conv2d_no_bias, layer_norm, Activation, Conv2dConfig, VarBuilder};
-use serde::Deserialize;
-use std::collections::HashMap;
-
-// https://github.com/huggingface/transformers/blob/main/src/transformers/models/segformer/configuration_segformer.py
-#[derive(Debug, Clone, PartialEq, Deserialize)]
-pub struct Config {
-    #[serde(default)]
-    pub id2label: HashMap<String, String>,
-    pub num_channels: usize,
-    pub num_encoder_blocks: usize,
-    pub depths: Vec<usize>,
-    pub sr_ratios: Vec<usize>,
-    pub hidden_sizes: Vec<usize>,
-    pub patch_sizes: Vec<usize>,
-    pub strides: Vec<usize>,
-    pub num_attention_heads: Vec<usize>,
-    pub mlp_ratios: Vec<usize>,
-    pub hidden_act: candle_nn::Activation,
-    pub layer_norm_eps: f64,
-    pub decoder_hidden_size: usize,
-}
-
-#[derive(Debug, Clone)]
-struct SegformerOverlapPatchEmbeddings {
-    projection: Conv2d,
-    layer_norm: candle_nn::LayerNorm,
-}
-
-impl SegformerOverlapPatchEmbeddings {
-    fn new(
-        config: &Config,
-        patch_size: usize,
-        stride: usize,
-        num_channels: usize,
-        hidden_size: usize,
-        vb: VarBuilder,
-    ) -> Result<Self> {
-        let projection = conv2d(
-            num_channels,
-            hidden_size,
-            patch_size,
-            Conv2dConfig {
-                stride,
-                padding: patch_size / 2,
-                ..Default::default()
-            },
-            vb.pp("proj"),
-        )?;
-        let layer_norm =
-            candle_nn::layer_norm(hidden_size, config.layer_norm_eps, vb.pp("layer_norm"))?;
-        Ok(Self {
-            projection,
-            layer_norm,
-        })
-    }
-}
-
-impl Module for SegformerOverlapPatchEmbeddings {
-    fn forward(&self, x: &Tensor) -> Result<Tensor> {
-        let embeddings = self.projection.forward(x)?;
-        let shape = embeddings.shape();
-        // [B, C, H, W] -> [B, H * W, C]
-        let embeddings = embeddings.flatten_from(2)?.transpose(1, 2)?;
-        let embeddings = self.layer_norm.forward(&embeddings)?;
-        // [B, H * W, C] -> [B, C, H, W]
-        let embeddings = embeddings.transpose(1, 2)?.reshape(shape)?;
-        Ok(embeddings)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct SegformerEfficientSelfAttention {
-    num_attention_heads: usize,
-    attention_head_size: usize,
-    query: Linear,
-    key: Linear,
-    value: Linear,
-    sr: Option<Conv2d>,
-    layer_norm: Option<layer_norm::LayerNorm>,
-}
-
-impl SegformerEfficientSelfAttention {
-    fn new(
-        config: &Config,
-        hidden_size: usize,
-        num_attention_heads: usize,
-        sequence_reduction_ratio: usize,
-        vb: VarBuilder,
-    ) -> Result<Self> {
-        if hidden_size % num_attention_heads != 0 {
-            candle::bail!(
-                "The hidden size {} is not a multiple of the number of attention heads {}",
-                hidden_size,
-                num_attention_heads
-            )
-        }
-        let attention_head_size = hidden_size / num_attention_heads;
-        let all_head_size = num_attention_heads * attention_head_size;
-        let query = linear(hidden_size, all_head_size, vb.pp("query"))?;
-        let key = linear(hidden_size, all_head_size, vb.pp("key"))?;
-        let value = linear(hidden_size, all_head_size, vb.pp("value"))?;
-        let (sr, layer_norm) = if sequence_reduction_ratio > 1 {
-            (
-                Some(conv2d(
-                    hidden_size,
-                    hidden_size,
-                    sequence_reduction_ratio,
-                    Conv2dConfig {
-                        stride: sequence_reduction_ratio,
-                        ..Default::default()
-                    },
-                    vb.pp("sr"),
-                )?),
-                Some(candle_nn::layer_norm(
-                    hidden_size,
-                    config.layer_norm_eps,
-                    vb.pp("layer_norm"),
-                )?),
-            )
-        } else {
-            (None, None)
-        };
-        Ok(Self {
-            num_attention_heads,
-            attention_head_size,
-            query,
-            key,
-            value,
-            sr,
-            layer_norm,
-        })
-    }
-
-    fn transpose_for_scores(&self, hidden_states: Tensor) -> Result<Tensor> {
-        let (batch, seq_length, _) = hidden_states.shape().dims3()?;
-        let new_shape = &[
-            batch,
-            seq_length,
-            self.num_attention_heads,
-            self.attention_head_size,
-        ];
-        let hidden_states = hidden_states.reshape(new_shape)?;
-        let hidden_states = hidden_states.permute((0, 2, 1, 3))?;
-        Ok(hidden_states)
-    }
-}
-
-impl Module for SegformerEfficientSelfAttention {
-    fn forward(&self, x: &Tensor) -> Result<Tensor> {
-        // [B, C, H, W] -> [B, H * W, C]
-        let hidden_states = x.flatten_from(2)?.permute((0, 2, 1))?;
-        let query = self
-            .transpose_for_scores(self.query.forward(&hidden_states)?)?
-            .contiguous()?;
-        let hidden_states = if let (Some(sr), Some(layer_norm)) = (&self.sr, &self.layer_norm) {
-            let hidden_states = sr.forward(x)?;
-            // [B, C, H, W] -> [B, H * W, C]
-            let hidden_states = hidden_states.flatten_from(2)?.permute((0, 2, 1))?;
-            layer_norm.forward(&hidden_states)?
-        } else {
-            // already [B, H * W, C]
-            hidden_states
-        };
-        // standard self-attention
-        let key = self
-            .transpose_for_scores(self.key.forward(&hidden_states)?)?
-            .contiguous()?;
-        let value = self
-            .transpose_for_scores(self.value.forward(&hidden_states)?)?
-            .contiguous()?;
-        let attention_scores =
-            (query.matmul(&key.t()?)? / f64::sqrt(self.attention_head_size as f64))?;
-        let attention_scores = candle_nn::ops::softmax_last_dim(&attention_scores)?;
-        let result = attention_scores.matmul(&value)?;
-        let result = result.permute((0, 2, 1, 3))?.contiguous()?;
-        result.flatten_from(D::Minus2)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct SegformerSelfOutput {
-    dense: Linear,
-}
-
-impl SegformerSelfOutput {
-    fn new(hidden_size: usize, vb: VarBuilder) -> Result<Self> {
-        let dense = linear(hidden_size, hidden_size, vb.pp("dense"))?;
-        Ok(Self { dense })
-    }
-}
-
-impl Module for SegformerSelfOutput {
-    fn forward(&self, x: &Tensor) -> Result<Tensor> {
-        self.dense.forward(x)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct SegformerAttention {
-    attention: SegformerEfficientSelfAttention,
-    output: SegformerSelfOutput,
-}
-
-impl SegformerAttention {
-    fn new(
-        config: &Config,
-        hidden_size: usize,
-        num_attention_heads: usize,
-        sequence_reduction_ratio: usize,
-        vb: VarBuilder,
-    ) -> Result<Self> {
-        let attention = SegformerEfficientSelfAttention::new(
-            config,
-            hidden_size,
-            num_attention_heads,
-            sequence_reduction_ratio,
-            vb.pp("self"),
-        )?;
-        let output = SegformerSelfOutput::new(hidden_size, vb.pp("output"))?;
-        Ok(Self { attention, output })
-    }
-}
-
-impl Module for SegformerAttention {
-    fn forward(&self, x: &Tensor) -> Result<Tensor> {
-        let attention_output = self.attention.forward(x)?;
-        self.output.forward(&attention_output)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct SegformerDWConv {
-    dw_conv: Conv2d,
-}
-
-impl SegformerDWConv {
-    fn new(dim: usize, vb: VarBuilder) -> Result<Self> {
-        let dw_conv = conv2d(
-            dim,
-            dim,
-            3,
-            Conv2dConfig {
-                stride: 1,
-                padding: 1,
-                groups: dim,
-                ..Default::default()
-            },
-            vb.pp("dwconv"),
-        )?;
-        Ok(Self { dw_conv })
-    }
-}
-
-impl Module for SegformerDWConv {
-    fn forward(&self, x: &Tensor) -> Result<Tensor> {
-        self.dw_conv.forward(x)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct SegformerMixFFN {
-    dense1: Linear,
-    dw_conv: SegformerDWConv,
-    act: Activation,
-    dense2: Linear,
-}
-
-impl SegformerMixFFN {
-    fn new(
-        config: &Config,
-        in_features: usize,
-        hidden_features: usize,
-        out_features: usize,
-        vb: VarBuilder,
-    ) -> Result<Self> {
-        let dense1 = linear(in_features, hidden_features, vb.pp("dense1"))?;
-        let dw_conv = SegformerDWConv::new(hidden_features, vb.pp("dwconv"))?;
-        let act = config.hidden_act;
-        let dense2 = linear(hidden_features, out_features, vb.pp("dense2"))?;
-        Ok(Self {
-            dense1,
-            dw_conv,
-            act,
-            dense2,
-        })
-    }
-}
-
-impl Module for SegformerMixFFN {
-    fn forward(&self, x: &Tensor) -> Result<Tensor> {
-        let (batch, _, height, width) = x.shape().dims4()?;
-        let hidden_states = self
-            .dense1
-            .forward(&x.flatten_from(2)?.permute((0, 2, 1))?)?;
-        let channels = hidden_states.dim(2)?;
-        let hidden_states = self.dw_conv.forward(
-            &hidden_states
-                .permute((0, 2, 1))?
-                .reshape((batch, channels, height, width))?,
-        )?;
-        let hidden_states = self.act.forward(&hidden_states)?;
-        let hidden_states = self
-            .dense2
-            .forward(&hidden_states.flatten_from(2)?.permute((0, 2, 1))?)?;
-        let channels = hidden_states.dim(2)?;
-        hidden_states
-            .permute((0, 2, 1))?
-            .reshape((batch, channels, height, width))
-    }
-}
-
-#[derive(Debug, Clone)]
-struct SegformerLayer {
-    layer_norm_1: candle_nn::LayerNorm,
-    attention: SegformerAttention,
-    layer_norm_2: candle_nn::LayerNorm,
-    mlp: SegformerMixFFN,
-}
-
-impl SegformerLayer {
-    fn new(
-        config: &Config,
-        hidden_size: usize,
-        num_attention_heads: usize,
-        sequence_reduction_ratio: usize,
-        mlp_ratio: usize,
-        vb: VarBuilder,
-    ) -> Result<Self> {
-        let layer_norm_1 = layer_norm(hidden_size, config.layer_norm_eps, vb.pp("layer_norm_1"))?;
-        let attention = SegformerAttention::new(
-            config,
-            hidden_size,
-            num_attention_heads,
-            sequence_reduction_ratio,
-            vb.pp("attention"),
-        )?;
-        let layer_norm_2 = layer_norm(hidden_size, config.layer_norm_eps, vb.pp("layer_norm_2"))?;
-        let mlp = SegformerMixFFN::new(
-            config,
-            hidden_size,
-            hidden_size * mlp_ratio,
-            hidden_size,
-            vb.pp("mlp"),
-        )?;
-        Ok(Self {
-            layer_norm_1,
-            attention,
-            layer_norm_2,
-            mlp,
-        })
-    }
-}
-
-impl Module for SegformerLayer {
-    fn forward(&self, x: &Tensor) -> Result<Tensor> {
-        let shape = x.shape().dims4()?;
-        // [B, C, H, W] -> [B, H * W, C]
-        let hidden_states = x.flatten_from(2)?.permute((0, 2, 1))?;
-        let layer_norm_output = self.layer_norm_1.forward(&hidden_states)?;
-        let layer_norm_output = layer_norm_output.permute((0, 2, 1))?.reshape(shape)?;
-        // attention takes in [B, C, H, W] in order to properly do conv2d (and output [B, H * W, C])
-        let attention_output = self.attention.forward(&layer_norm_output)?;
-        let hidden_states = (attention_output + hidden_states)?;
-        let layer_norm_output = self.layer_norm_2.forward(&hidden_states)?;
-        let mlp_output = self
-            .mlp
-            .forward(&layer_norm_output.permute((0, 2, 1))?.reshape(shape)?)?;
-        hidden_states.permute((0, 2, 1))?.reshape(shape)? + mlp_output
-    }
-}
-
-#[derive(Debug, Clone)]
-struct SegformerEncoder {
-    /// config file
-    config: Config,
-    /// a list of embeddings
-    patch_embeddings: Vec<SegformerOverlapPatchEmbeddings>,
-    /// a list of attention blocks, each consisting of layers
-    blocks: Vec<Vec<SegformerLayer>>,
-    /// a final list of layer norms
-    layer_norms: Vec<candle_nn::LayerNorm>,
-}
-
-impl SegformerEncoder {
-    fn new(config: Config, vb: VarBuilder) -> Result<Self> {
-        let mut patch_embeddings = Vec::with_capacity(config.num_encoder_blocks);
-        let mut blocks = Vec::with_capacity(config.num_encoder_blocks);
-        let mut layer_norms = Vec::with_capacity(config.num_encoder_blocks);
-        for i in 0..config.num_encoder_blocks {
-            let patch_size = config.patch_sizes[i];
-            let stride = config.strides[i];
-            let hidden_size = config.hidden_sizes[i];
-            let num_channels = if i == 0 {
-                config.num_channels
-            } else {
-                config.hidden_sizes[i - 1]
-            };
-            patch_embeddings.push(SegformerOverlapPatchEmbeddings::new(
-                &config,
-                patch_size,
-                stride,
-                num_channels,
-                hidden_size,
-                vb.pp(&format!("patch_embeddings.{}", i)),
-            )?);
-            let mut layers = Vec::with_capacity(config.depths[i]);
-            for j in 0..config.depths[i] {
-                let sequence_reduction_ratio = config.sr_ratios[i];
-                let num_attention_heads = config.num_attention_heads[i];
-                let mlp_ratio = config.mlp_ratios[i];
-                layers.push(SegformerLayer::new(
-                    &config,
-                    hidden_size,
-                    num_attention_heads,
-                    sequence_reduction_ratio,
-                    mlp_ratio,
-                    vb.pp(&format!("block.{}.{}", i, j)),
-                )?);
-            }
-            blocks.push(layers);
-            layer_norms.push(layer_norm(
-                hidden_size,
-                config.layer_norm_eps,
-                vb.pp(&format!("layer_norm.{}", i)),
-            )?);
-        }
-        Ok(Self {
-            config,
-            patch_embeddings,
-            blocks,
-            layer_norms,
-        })
-    }
-}
-
-impl ModuleWithHiddenStates for SegformerEncoder {
-    fn forward(&self, x: &Tensor) -> Result<Vec<Tensor>> {
-        let mut all_hidden_states = Vec::with_capacity(self.config.num_encoder_blocks);
-        let mut hidden_states = x.clone();
-        for i in 0..self.config.num_encoder_blocks {
-            hidden_states = self.patch_embeddings[i].forward(&hidden_states)?;
-            for layer in &self.blocks[i] {
-                hidden_states = layer.forward(&hidden_states)?;
-            }
-            let shape = hidden_states.shape().dims4()?;
-            hidden_states =
-                self.layer_norms[i].forward(&hidden_states.flatten_from(2)?.permute((0, 2, 1))?)?;
-            hidden_states = hidden_states.permute((0, 2, 1))?.reshape(shape)?;
-            all_hidden_states.push(hidden_states.clone());
-        }
-        Ok(all_hidden_states)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct SegformerModel {
-    encoder: SegformerEncoder,
-}
-
-impl SegformerModel {
-    fn new(config: &Config, vb: VarBuilder) -> Result<Self> {
-        let encoder = SegformerEncoder::new(config.clone(), vb.pp("encoder"))?;
-        Ok(Self { encoder })
-    }
-}
-
-impl ModuleWithHiddenStates for SegformerModel {
-    fn forward(&self, x: &Tensor) -> Result<Vec<Tensor>> {
-        self.encoder.forward(x)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct SegformerMLP {
-    proj: Linear,
-}
-
-impl SegformerMLP {
-    fn new(config: &Config, input_dim: usize, vb: VarBuilder) -> Result<Self> {
-        let proj = linear(input_dim, config.decoder_hidden_size, vb.pp("proj"))?;
-        Ok(Self { proj })
-    }
-}
-
-impl Module for SegformerMLP {
-    fn forward(&self, x: &Tensor) -> Result<Tensor> {
-        self.proj.forward(x)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct SegformerDecodeHead {
-    linear_c: Vec<SegformerMLP>,
-    linear_fuse: candle_nn::Conv2d,
-    batch_norm: candle_nn::BatchNorm,
-    classifier: candle_nn::Conv2d,
-}
-
-impl SegformerDecodeHead {
-    fn new(config: &Config, num_labels: usize, vb: VarBuilder) -> Result<Self> {
-        let mut linear_c = Vec::with_capacity(config.num_encoder_blocks);
-        for i in 0..config.num_encoder_blocks {
-            let hidden_size = config.hidden_sizes[i];
-            linear_c.push(SegformerMLP::new(
-                config,
-                hidden_size,
-                vb.pp(&format!("linear_c.{}", i)),
-            )?);
-        }
-        let linear_fuse = conv2d_no_bias(
-            config.decoder_hidden_size * config.num_encoder_blocks,
-            config.decoder_hidden_size,
-            1,
-            Conv2dConfig::default(),
-            vb.pp("linear_fuse"),
-        )?;
-        let batch_norm = candle_nn::batch_norm(
-            config.decoder_hidden_size,
-            config.layer_norm_eps,
-            vb.pp("batch_norm"),
-        )?;
-        let classifier = conv2d_no_bias(
-            config.decoder_hidden_size,
-            num_labels,
-            1,
-            Conv2dConfig::default(),
-            vb.pp("classifier"),
-        )?;
-        Ok(Self {
-            linear_c,
-            linear_fuse,
-            batch_norm,
-            classifier,
-        })
-    }
-
-    fn forward(&self, encoder_hidden_states: &[Tensor]) -> Result<Tensor> {
-        if encoder_hidden_states.len() != self.linear_c.len() {
-            candle::bail!(
-                "The number of encoder hidden states {} is not equal to the number of linear layers {}",
-                encoder_hidden_states.len(),
-                self.linear_c.len()
-            )
-        }
-        // most fine layer
-        let (_, _, upsample_height, upsample_width) = encoder_hidden_states[0].shape().dims4()?;
-        let mut hidden_states = Vec::with_capacity(self.linear_c.len());
-        for (hidden_state, mlp) in encoder_hidden_states.iter().zip(&self.linear_c) {
-            let (batch, _, height, width) = hidden_state.shape().dims4()?;
-            let hidden_state = mlp.forward(&hidden_state.flatten_from(2)?.permute((0, 2, 1))?)?;
-            let hidden_state = hidden_state.permute((0, 2, 1))?.reshape((
-                batch,
-                hidden_state.dim(2)?,
-                height,
-                width,
-            ))?;
-            let hidden_state = hidden_state.upsample_nearest2d(upsample_height, upsample_width)?;
-            hidden_states.push(hidden_state);
-        }
-        hidden_states.reverse();
-        let hidden_states = Tensor::cat(&hidden_states, 1)?;
-        let hidden_states = self.linear_fuse.forward(&hidden_states)?;
-        let hidden_states = self.batch_norm.forward_t(&hidden_states, false)?;
-        let hidden_states = hidden_states.relu()?;
-        self.classifier.forward(&hidden_states)
-    }
-}
-
-trait ModuleWithHiddenStates {
-    fn forward(&self, xs: &Tensor) -> Result<Vec<Tensor>>;
-}
-
-#[derive(Debug, Clone)]
-pub struct SemanticSegmentationModel {
-    segformer: SegformerModel,
-    decode_head: SegformerDecodeHead,
-}
-
-impl SemanticSegmentationModel {
-    pub fn new(config: &Config, num_labels: usize, vb: VarBuilder) -> Result<Self> {
-        let segformer = SegformerModel::new(config, vb.pp("segformer"))?;
-        let decode_head = SegformerDecodeHead::new(config, num_labels, vb.pp("decode_head"))?;
-        Ok(Self {
-            segformer,
-            decode_head,
-        })
-    }
-}
-
-impl Module for SemanticSegmentationModel {
-    fn forward(&self, x: &Tensor) -> Result<Tensor> {
-        let hidden_states = self.segformer.forward(x)?;
-        self.decode_head.forward(&hidden_states)
-    }
-}
-
-#[derive(Debug, Clone)]
-pub struct ImageClassificationModel {
-    segformer: SegformerModel,
-    classifier: Linear,
-}
-
-impl ImageClassificationModel {
-    pub fn new(config: &Config, num_labels: usize, vb: VarBuilder) -> Result<Self> {
-        let segformer = SegformerModel::new(config, vb.pp("segformer"))?;
-        let classifier = linear(config.decoder_hidden_size, num_labels, vb.pp("classifier"))?;
-        Ok(Self {
-            segformer,
-            classifier,
-        })
-    }
-}
-
-impl Module for ImageClassificationModel {
-    fn forward(&self, x: &Tensor) -> Result<Tensor> {
-        let all_hidden_states = self.segformer.forward(x)?;
-        let hidden_states = all_hidden_states.last().unwrap();
-        let hidden_states = hidden_states.flatten_from(2)?.permute((0, 2, 1))?;
-        let mean = hidden_states.mean(1)?;
-        self.classifier.forward(&mean)
-    }
-}
-
-#[cfg(test)]
-mod tests {
-
-    use super::*;
-
-    #[test]
-    fn test_config_json_load() {
-        let raw_json = r#"{
-            "architectures": [
-              "SegformerForImageClassification"
-            ],
-            "attention_probs_dropout_prob": 0.0,
-            "classifier_dropout_prob": 0.1,
-            "decoder_hidden_size": 256,
-            "depths": [
-              2,
-              2,
-              2,
-              2
-            ],
-            "downsampling_rates": [
-              1,
-              4,
-              8,
-              16
-            ],
-            "drop_path_rate": 0.1,
-            "hidden_act": "gelu",
-            "hidden_dropout_prob": 0.0,
-            "hidden_sizes": [
-              32,
-              64,
-              160,
-              256
-            ],
-            "image_size": 224,
-            "initializer_range": 0.02,
-            "layer_norm_eps": 1e-06,
-            "mlp_ratios": [
-              4,
-              4,
-              4,
-              4
-            ],
-            "model_type": "segformer",
-            "num_attention_heads": [
-              1,
-              2,
-              5,
-              8
-            ],
-            "num_channels": 3,
-            "num_encoder_blocks": 4,
-            "patch_sizes": [
-              7,
-              3,
-              3,
-              3
-            ],
-            "sr_ratios": [
-              8,
-              4,
-              2,
-              1
-            ],
-            "strides": [
-              4,
-              2,
-              2,
-              2
-            ],
-            "torch_dtype": "float32",
-            "transformers_version": "4.12.0.dev0"
-          }"#;
-        let config: Config = serde_json::from_str(raw_json).unwrap();
-        assert_eq!(vec![4, 2, 2, 2], config.strides);
-        assert_eq!(1e-6, config.layer_norm_eps);
-    }
-}

candle-transformers/src/models/stable_lm.rs

@@ -4,7 +4,7 @@ use candle_nn::{Activation, LayerNorm, VarBuilder};
 use serde::Deserialize;
 use std::sync::Arc;
 
-// https://huggingface.co/stabilityai/stablelm-3b-4e1t/blob/main/configuration_stablelm.py
+// https://huggingface.co/stabilityai/stablelm-3b-4e1t/blob/main/configuration_stablelm_epoch.py
 #[derive(Debug, Clone, PartialEq, Deserialize)]
 pub struct Config {
     pub(crate) vocab_size: usize,
@@ -14,10 +14,10 @@ pub struct Config {
     pub(crate) num_attention_heads: usize,
     pub(crate) num_key_value_heads: usize,
     pub(crate) hidden_act: Activation,
-    pub(crate) partial_rotary_factor: f64,
+    pub(crate) rope_pct: f64,
     pub(crate) rope_theta: f64,
     pub(crate) max_position_embeddings: usize,
-    pub(crate) layer_norm_eps: f64,
+    pub(crate) norm_eps: f64,
     pub(crate) use_cache: bool,
     #[serde(default)]
     pub(crate) use_qkv_bias: bool, // Used in StableLM-2
@@ -35,10 +35,10 @@ impl Config {
             num_attention_heads: 32,
             num_key_value_heads: 32,
             hidden_act: Activation::Silu,
-            partial_rotary_factor: 0.25,
+            rope_pct: 0.25,
             rope_theta: 10_000.,
             max_position_embeddings: 4096,
-            layer_norm_eps: 1e-5,
+            norm_eps: 1e-5,
             use_qkv_bias: false,
             use_cache: true,
             use_flash_attn,
@@ -50,7 +50,7 @@ impl Config {
     }
 
     pub fn rotary_ndims(&self) -> usize {
-        (self.head_dim() as f64 * self.partial_rotary_factor) as usize
+        (self.head_dim() as f64 * self.rope_pct) as usize
     }
 
     pub fn num_kv_groups(&self) -> usize {
@@ -316,14 +316,11 @@ impl DecoderLayer {
     fn new(rotary_emb: Arc<RotaryEmbedding>, cfg: &Config, vb: VarBuilder) -> Result<Self> {
         let self_attn = Attention::new(rotary_emb, cfg, vb.pp("self_attn"))?;
         let mlp = MLP::new(cfg, vb.pp("mlp"))?;
-        let input_layernorm = candle_nn::layer_norm(
-            cfg.hidden_size,
-            cfg.layer_norm_eps,
-            vb.pp("input_layernorm"),
-        )?;
+        let input_layernorm =
+            candle_nn::layer_norm(cfg.hidden_size, cfg.norm_eps, vb.pp("input_layernorm"))?;
         let post_attention_layernorm = candle_nn::layer_norm(
             cfg.hidden_size,
-            cfg.layer_norm_eps,
+            cfg.norm_eps,
             vb.pp("post_attention_layernorm"),
         )?;
         Ok(Self {
@@ -375,7 +372,7 @@ impl Model {
             let layer = DecoderLayer::new(rotary_emb.clone(), cfg, vb_l.pp(layer_idx))?;
             layers.push(layer)
         }
-        let norm = candle_nn::layer_norm(cfg.hidden_size, cfg.layer_norm_eps, vb_m.pp("norm"))?;
+        let norm = candle_nn::layer_norm(cfg.hidden_size, cfg.norm_eps, vb_m.pp("norm"))?;
         let lm_head = linear_no_bias(cfg.hidden_size, cfg.vocab_size, vb.pp("lm_head"))?;
         Ok(Self {
             embed_tokens,

candle-transformers/src/models/starcoder2.rs

@@ -1,347 +0,0 @@
-#![allow(unused)]
-use candle::{DType, Device, Module, Result, Tensor, D};
-use candle_nn::{layer_norm, linear_b, LayerNorm, Linear, VarBuilder};
-use std::sync::Arc;
-
-#[derive(Debug, Clone, serde::Deserialize)]
-pub struct Config {
-    vocab_size: usize,
-    hidden_size: usize,
-    intermediate_size: usize,
-    num_hidden_layers: usize,
-    num_attention_heads: usize,
-    num_key_value_heads: usize,
-    hidden_act: candle_nn::Activation,
-    max_position_embeddings: usize,
-    norm_epsilon: f64,
-    rope_theta: f64,
-    use_bias: bool,
-    sliding_window: Option<usize>,
-}
-
-#[derive(Debug, Clone)]
-struct RotaryEmbedding {
-    sin: Tensor,
-    cos: Tensor,
-}
-
-fn rotate_half(xs: &Tensor) -> Result<Tensor> {
-    let last_dim = xs.dim(D::Minus1)?;
-    let xs1 = xs.narrow(D::Minus1, 0, last_dim / 2)?;
-    let xs2 = xs.narrow(D::Minus1, last_dim / 2, last_dim - last_dim / 2)?;
-    Tensor::cat(&[&xs2.neg()?, &xs1], D::Minus1)
-}
-
-impl RotaryEmbedding {
-    fn new(dtype: DType, cfg: &Config, dev: &Device) -> Result<Self> {
-        let dim = cfg.hidden_size / cfg.num_attention_heads;
-        let max_seq_len = cfg.max_position_embeddings;
-        let inv_freq: Vec<_> = (0..dim)
-            .step_by(2)
-            .map(|i| 1f32 / cfg.rope_theta.powf(i as f64 / dim as f64) as f32)
-            .collect();
-        let inv_freq_len = inv_freq.len();
-        let inv_freq = Tensor::from_vec(inv_freq, (1, inv_freq_len), dev)?.to_dtype(dtype)?;
-        let t = Tensor::arange(0u32, max_seq_len as u32, dev)?
-            .to_dtype(dtype)?
-            .reshape((max_seq_len, 1))?;
-        let freqs = t.matmul(&inv_freq)?;
-        let freqs = Tensor::cat(&[&freqs, &freqs], D::Minus1)?;
-        Ok(Self {
-            sin: freqs.sin()?,
-            cos: freqs.cos()?,
-        })
-    }
-
-    fn apply_rotary_emb_qkv(
-        &self,
-        q: &Tensor,
-        k: &Tensor,
-        seqlen_offset: usize,
-    ) -> Result<(Tensor, Tensor)> {
-        let (_b_sz, _h, seq_len, _n_embd) = q.dims4()?;
-        let cos = self.cos.narrow(0, seqlen_offset, seq_len)?;
-        let sin = self.sin.narrow(0, seqlen_offset, seq_len)?;
-        let cos = cos.unsqueeze(0)?.unsqueeze(0)?; // (1, 1, seq_len, dim)
-        let sin = sin.unsqueeze(0)?.unsqueeze(0)?; // (1, 1, seq_len, dim)
-        let q_embed = (q.broadcast_mul(&cos)? + rotate_half(q)?.broadcast_mul(&sin))?;
-        let k_embed = (k.broadcast_mul(&cos)? + rotate_half(k)?.broadcast_mul(&sin))?;
-        Ok((q_embed, k_embed))
-    }
-}
-
-#[derive(Debug, Clone)]
-#[allow(clippy::upper_case_acronyms)]
-struct MLP {
-    c_fc: Linear,
-    c_proj: Linear,
-    act: candle_nn::Activation,
-}
-
-impl MLP {
-    fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let (h_size, i_size) = (cfg.hidden_size, cfg.intermediate_size);
-        let c_fc = linear_b(h_size, i_size, cfg.use_bias, vb.pp("c_fc"))?;
-        let c_proj = linear_b(i_size, h_size, cfg.use_bias, vb.pp("c_proj"))?;
-        Ok(Self {
-            c_fc,
-            c_proj,
-            act: cfg.hidden_act,
-        })
-    }
-}
-
-impl Module for MLP {
-    fn forward(&self, xs: &Tensor) -> Result<Tensor> {
-        xs.apply(&self.c_fc)?.apply(&self.act)?.apply(&self.c_proj)
-    }
-}
-
-#[derive(Debug, Clone)]
-struct Attention {
-    q_proj: Linear,
-    k_proj: Linear,
-    v_proj: Linear,
-    o_proj: Linear,
-    num_heads: usize,
-    num_kv_heads: usize,
-    num_kv_groups: usize,
-    head_dim: usize,
-    hidden_size: usize,
-    rotary_emb: Arc<RotaryEmbedding>,
-    kv_cache: Option<(Tensor, Tensor)>,
-}
-
-impl Attention {
-    fn new(rotary_emb: Arc<RotaryEmbedding>, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let hidden_sz = cfg.hidden_size;
-        let num_heads = cfg.num_attention_heads;
-        let num_kv_heads = cfg.num_key_value_heads;
-        let num_kv_groups = num_heads / num_kv_heads;
-        let head_dim = hidden_sz / num_heads;
-        let b = cfg.use_bias;
-        let q_proj = linear_b(hidden_sz, num_heads * head_dim, b, vb.pp("q_proj"))?;
-        let k_proj = linear_b(hidden_sz, num_kv_heads * head_dim, b, vb.pp("k_proj"))?;
-        let v_proj = linear_b(hidden_sz, num_kv_heads * head_dim, b, vb.pp("v_proj"))?;
-        let o_proj = linear_b(num_heads * head_dim, hidden_sz, b, vb.pp("o_proj"))?;
-        Ok(Self {
-            q_proj,
-            k_proj,
-            v_proj,
-            o_proj,
-            num_heads,
-            num_kv_heads,
-            num_kv_groups,
-            head_dim,
-            hidden_size: hidden_sz,
-            rotary_emb,
-            kv_cache: None,
-        })
-    }
-
-    fn repeat_kv(&self, xs: Tensor) -> Result<Tensor> {
-        let n_rep = self.num_kv_groups;
-        if n_rep == 1 {
-            Ok(xs)
-        } else {
-            let (b_sz, num_kv_heads, seq_len, head_dim) = xs.dims4()?;
-            xs.unsqueeze(2)?
-                .expand((b_sz, num_kv_heads, n_rep, seq_len, head_dim))?
-                .reshape((b_sz, num_kv_heads * n_rep, seq_len, head_dim))
-        }
-    }
-
-    fn forward(
-        &mut self,
-        xs: &Tensor,
-        attention_mask: Option<&Tensor>,
-        seqlen_offset: usize,
-    ) -> Result<Tensor> {
-        let (b_sz, q_len, _) = xs.dims3()?;
-
-        let query_states = self.q_proj.forward(xs)?;
-        let key_states = self.k_proj.forward(xs)?;
-        let value_states = self.v_proj.forward(xs)?;
-
-        let query_states = query_states
-            .reshape((b_sz, q_len, self.num_heads, self.head_dim))?
-            .transpose(1, 2)?;
-        let key_states = key_states
-            .reshape((b_sz, q_len, self.num_kv_heads, self.head_dim))?
-            .transpose(1, 2)?;
-        let value_states = value_states
-            .reshape((b_sz, q_len, self.num_kv_heads, self.head_dim))?
-            .transpose(1, 2)?;
-
-        let (query_states, key_states) =
-            self.rotary_emb
-                .apply_rotary_emb_qkv(&query_states, &key_states, seqlen_offset)?;
-
-        let (key_states, value_states) = match &self.kv_cache {
-            None => (key_states, value_states),
-            Some((prev_k, prev_v)) => {
-                let key_states = Tensor::cat(&[prev_k, &key_states], 2)?;
-                let value_states = Tensor::cat(&[prev_v, &value_states], 2)?;
-                (key_states, value_states)
-            }
-        };
-        self.kv_cache = Some((key_states.clone(), value_states.clone()));
-
-        let key_states = self.repeat_kv(key_states)?;
-        let value_states = self.repeat_kv(value_states)?;
-
-        let scale = 1f64 / f64::sqrt(self.head_dim as f64);
-        let attn_weights = (query_states.matmul(&key_states.transpose(2, 3)?)? * scale)?;
-
-        let attn_weights = match attention_mask {
-            None => attn_weights,
-            Some(mask) => attn_weights.broadcast_add(mask)?,
-        };
-        let attn_weights = candle_nn::ops::softmax_last_dim(&attn_weights)?;
-        let attn_output = attn_weights.matmul(&value_states)?;
-        attn_output
-            .transpose(1, 2)?
-            .reshape((b_sz, q_len, self.hidden_size))?
-            .apply(&self.o_proj)
-    }
-
-    fn clear_kv_cache(&mut self) {
-        self.kv_cache = None
-    }
-}
-
-#[derive(Debug, Clone)]
-struct DecoderLayer {
-    self_attn: Attention,
-    mlp: MLP,
-    input_layernorm: LayerNorm,
-    post_attention_layernorm: LayerNorm,
-}
-
-impl DecoderLayer {
-    fn new(rotary_emb: Arc<RotaryEmbedding>, cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let self_attn = Attention::new(rotary_emb, cfg, vb.pp("self_attn"))?;
-        let mlp = MLP::new(cfg, vb.pp("mlp"))?;
-        let input_layernorm =
-            layer_norm(cfg.hidden_size, cfg.norm_epsilon, vb.pp("input_layernorm"))?;
-        let post_attention_layernorm = layer_norm(
-            cfg.hidden_size,
-            cfg.norm_epsilon,
-            vb.pp("post_attention_layernorm"),
-        )?;
-        Ok(Self {
-            self_attn,
-            mlp,
-            input_layernorm,
-            post_attention_layernorm,
-        })
-    }
-
-    fn forward(
-        &mut self,
-        xs: &Tensor,
-        attention_mask: Option<&Tensor>,
-        seqlen_offset: usize,
-    ) -> Result<Tensor> {
-        let residual = xs;
-        let xs = self.input_layernorm.forward(xs)?;
-        let xs = self.self_attn.forward(&xs, attention_mask, seqlen_offset)?;
-        let xs = (xs + residual)?;
-        let residual = &xs;
-        let xs = xs.apply(&self.post_attention_layernorm)?.apply(&self.mlp)?;
-        residual + xs
-    }
-
-    fn clear_kv_cache(&mut self) {
-        self.self_attn.clear_kv_cache()
-    }
-}
-
-#[derive(Debug, Clone)]
-pub struct Model {
-    embed_tokens: candle_nn::Embedding,
-    layers: Vec<DecoderLayer>,
-    norm: LayerNorm,
-    lm_head: Linear,
-    sliding_window: Option<usize>,
-    device: Device,
-    dtype: DType,
-}
-
-impl Model {
-    pub fn new(cfg: &Config, vb: VarBuilder) -> Result<Self> {
-        let vb_m = vb.pp("model");
-        let embed_tokens =
-            candle_nn::embedding(cfg.vocab_size, cfg.hidden_size, vb_m.pp("embed_tokens"))?;
-        let rotary_emb = Arc::new(RotaryEmbedding::new(vb.dtype(), cfg, vb_m.device())?);
-        let mut layers = Vec::with_capacity(cfg.num_hidden_layers);
-        let vb_l = vb_m.pp("layers");
-        for layer_idx in 0..cfg.num_hidden_layers {
-            let layer = DecoderLayer::new(rotary_emb.clone(), cfg, vb_l.pp(layer_idx))?;
-            layers.push(layer)
-        }
-        let norm = layer_norm(cfg.hidden_size, cfg.norm_epsilon, vb_m.pp("norm"))?;
-        let lm_head = candle_nn::Linear::new(embed_tokens.embeddings().clone(), None);
-        Ok(Self {
-            embed_tokens,
-            layers,
-            norm,
-            lm_head,
-            sliding_window: cfg.sliding_window,
-            device: vb.device().clone(),
-            dtype: vb.dtype(),
-        })
-    }
-
-    fn prepare_decoder_attention_mask(
-        &self,
-        b_size: usize,
-        tgt_len: usize,
-        seqlen_offset: usize,
-    ) -> Result<Tensor> {
-        let sliding_window = self.sliding_window.unwrap_or(tgt_len + 42);
-        let mask: Vec<_> = (0..tgt_len)
-            .flat_map(|i| {
-                (0..tgt_len).map(move |j| {
-                    if i < j || j + sliding_window < i {
-                        f32::NEG_INFINITY
-                    } else {
-                        0.
-                    }
-                })
-            })
-            .collect();
-        let mask = Tensor::from_slice(&mask, (tgt_len, tgt_len), &self.device)?;
-        let mask = if seqlen_offset > 0 {
-            let mask0 = Tensor::zeros((tgt_len, seqlen_offset), DType::F32, &self.device)?;
-            Tensor::cat(&[&mask0, &mask], D::Minus1)?
-        } else {
-            mask
-        };
-        mask.expand((b_size, 1, tgt_len, tgt_len + seqlen_offset))?
-            .to_dtype(self.dtype)
-    }
-
-    pub fn forward(&mut self, input_ids: &Tensor, seqlen_offset: usize) -> Result<Tensor> {
-        let (b_size, seq_len) = input_ids.dims2()?;
-        let attention_mask = if seq_len <= 1 {
-            None
-        } else {
-            let mask = self.prepare_decoder_attention_mask(b_size, seq_len, seqlen_offset)?;
-            Some(mask)
-        };
-        let mut xs = self.embed_tokens.forward(input_ids)?;
-        for layer in self.layers.iter_mut() {
-            xs = layer.forward(&xs, attention_mask.as_ref(), seqlen_offset)?
-        }
-        xs.narrow(1, seq_len - 1, 1)?
-            .apply(&self.norm)?
-            .apply(&self.lm_head)
-    }
-
-    pub fn clear_kv_cache(&mut self) {
-        for layer in self.layers.iter_mut() {
-            layer.clear_kv_cache()
-        }
-    }
-}

candle-transformers/src/models/vocos.rs

@@ -0,0 +1,156 @@
+#![allow(unused)]
+use candle::{DType, Module, Result, Tensor, D};
+use candle_nn::{conv1d, embedding, linear, Conv1d, Conv1dConfig, Embedding, Linear, VarBuilder};
+
+pub struct AdaLayerNorm {
+    eps: f64,
+    dim: usize,
+    scale: Embedding,
+    shift: Embedding,
+}
+
+fn layer_norm(x: &Tensor, eps: f64) -> Result<Tensor> {
+    let x_dtype = x.dtype();
+    let internal_dtype = match x_dtype {
+        DType::F16 | DType::BF16 => DType::F32,
+        d => d,
+    };
+    let hidden_size = x.dim(D::Minus1)?;
+    let x = x.to_dtype(internal_dtype)?;
+    let x = {
+        let mean_x = (x.sum_keepdim(D::Minus1)? / hidden_size as f64)?;
+        x.broadcast_sub(&mean_x)?
+    };
+    let norm_x = (x.sqr()?.sum_keepdim(D::Minus1)? / hidden_size as f64)?;
+    let x_normed = x.broadcast_div(&(norm_x + eps)?.sqrt()?)?;
+    x_normed.to_dtype(x_dtype)
+}
+
+impl AdaLayerNorm {
+    pub fn new(
+        num_embeddings: usize,
+        embedding_dim: usize,
+        eps: f64,
+        vb: VarBuilder,
+    ) -> Result<Self> {
+        let scale = embedding(num_embeddings, embedding_dim, vb.pp("scale"))?;
+        let shift = embedding(num_embeddings, embedding_dim, vb.pp("shift"))?;
+        Ok(Self {
+            eps,
+            dim: embedding_dim,
+            scale,
+            shift,
+        })
+    }
+
+    pub fn forward(&self, xs: &Tensor, cond_embedding_id: &Tensor) -> Result<Tensor> {
+        let scale = self.scale.forward(cond_embedding_id)?;
+        let shift = self.shift.forward(cond_embedding_id)?;
+        let xs = layer_norm(xs, self.eps)?;
+        xs * scale + shift
+    }
+}
+
+pub struct ConvNeXtBlock {
+    dwconv: Conv1d,
+    pwconv1: Linear,
+    pwconv2: Linear,
+    gamma: Option<Tensor>,
+}
+
+impl ConvNeXtBlock {
+    pub fn new(
+        dim: usize,
+        intermediate_dim: usize,
+        layer_scale_init_value: f64,
+        adanorm_num_embeddings: Option<usize>,
+        vb: VarBuilder,
+    ) -> Result<Self> {
+        let dwconv = {
+            let cfg = Conv1dConfig {
+                padding: 3,
+                groups: dim,
+                ..Default::default()
+            };
+            conv1d(dim, dim, 7, cfg, vb.pp("dwconv"))?
+        };
+        let pwconv1 = linear(dim, intermediate_dim, vb.pp("pwconv1"))?;
+        let pwconv2 = linear(intermediate_dim, dim, vb.pp("pwconv2"))?;
+        let gamma = if layer_scale_init_value > 0. {
+            Some(vb.get(dim, "gamma")?)
+        } else {
+            None
+        };
+        Ok(Self {
+            dwconv,
+            pwconv1,
+            pwconv2,
+            gamma,
+        })
+    }
+
+    pub fn forward(&self, xs: &Tensor) -> Result<Tensor> {
+        let residual = xs;
+        let xs = xs.apply(&self.dwconv)?.transpose(1, 2)?;
+        // TODO: norm
+        let xs = xs.apply(&self.pwconv1)?.gelu()?.apply(&self.pwconv2)?;
+        let xs = match self.gamma.as_ref() {
+            Some(gamma) => (gamma * xs)?,
+            None => xs,
+        };
+        xs.transpose(1, 2)? + residual
+    }
+}
+
+struct VocosBackbone {
+    embed: Conv1d,
+    convnext: Vec<ConvNeXtBlock>,
+    final_layer_norm: candle_nn::LayerNorm,
+}
+
+impl VocosBackbone {
+    pub fn new(
+        input_channels: usize,
+        dim: usize,
+        intermediate_dim: usize,
+        num_layers: dim,
+        layer_scale_init_value: f64,
+        adanorm_num_embeddings: Option<usize>,
+        vb: VarBuilder,
+    ) -> Result<Self> {
+        let embed = {
+            let cfg = Conv1dConfig {
+                padding: 3,
+                ..Default::default()
+            };
+            conv1d(input_channels, dim, 7, cfg, vb.pp("embed"))?
+        };
+        let mut convnext = Vec::with_capacity(num_layers);
+        let vb_c = vb.pp("convnext");
+        for i in 0..num_layers {
+            let block = ConvNeXtBlock::new(
+                dim,
+                intermediate_dim,
+                layer_scale_init_value,
+                adanorm_num_embeddings,
+                vb_c.pp(i),
+            )?;
+        }
+        let final_layer_norm = candle_nn::layer_norm(dim, 1e-6, vb.pp("final_layer_norm"))?;
+        Ok(Self {
+            embed,
+            convnext,
+            final_layer_norm,
+        })
+    }
+
+    pub fn forward(&self, xs: &Tensor) -> Result<Tensor> {
+        let xs = xs.apply(&self.embed)?;
+        // TODO: norm
+        let mut xs = xs.transpose(1, 2)?;
+        for conv_block in self.convnext.iter() {
+            xs = conv_block.forward(&xs)?
+        }
+        xs.apply(&self.final_layer_norm)
+    }
+}

candle-transformers/src/models/whisper/audio.rs

@@ -167,7 +167,7 @@ fn log_mel_spectrogram_w<T: Float>(
     mel
 }
 
-pub fn log_mel_spectrogram_<T: Float>(
+fn log_mel_spectrogram_<T: Float>(
     samples: &[T],
     filters: &[T],
     fft_size: usize,

candle-transformers/src/models/with_tracing.rs

@@ -47,12 +47,6 @@ impl Linear {
     }
 }
 
-pub fn linear_b(d1: usize, d2: usize, b: bool, vb: VarBuilder) -> Result<Linear> {
-    let inner = candle_nn::linear_b(d1, d2, b, vb)?;
-    let span = tracing::span!(tracing::Level::TRACE, "linear");
-    Ok(Linear { inner, span })
-}
-
 pub fn linear(d1: usize, d2: usize, vb: VarBuilder) -> Result<Linear> {
     let inner = candle_nn::linear(d1, d2, vb)?;
     let span = tracing::span!(tracing::Level::TRACE, "linear");