make llama derive clone (#1648)

Co-authored-by: danielclough <danielclough@users.noreply.github.com>

candle-transformers/src/models/llama.rs

@@ -7,7 +7,7 @@ use std::sync::{Arc, Mutex};
 
 pub const MAX_SEQ_LEN: usize = 4096;
 
-#[derive(Deserialize)]
+#[derive(Debug, Clone, Deserialize)]
 pub struct LlamaConfig {
     pub hidden_size: usize,
     pub intermediate_size: usize,
@@ -40,6 +40,7 @@ impl LlamaConfig {
     }
 }
 
+#[derive(Debug, Clone)]
 pub struct Config {
     pub hidden_size: usize,
     pub intermediate_size: usize,
@@ -82,7 +83,7 @@ impl Config {
     }
 }
 
-#[derive(Clone)]
+#[derive(Debug, Clone)]
 pub struct Cache {
     masks: Arc<Mutex<HashMap<usize, Tensor>>>,
     pub use_kv_cache: bool,
@@ -136,6 +137,7 @@ impl Cache {
     }
 }
 
+#[derive(Debug, Clone)]
 struct RmsNorm {
     inner: candle_nn::RmsNorm,
     span: tracing::Span,
@@ -154,6 +156,7 @@ impl RmsNorm {
     }
 }
 
+#[derive(Debug, Clone)]
 struct CausalSelfAttention {
     q_proj: Linear,
     k_proj: Linear,
@@ -314,6 +317,7 @@ 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,
@@ -344,6 +348,7 @@ impl Mlp {
     }
 }
 
+#[derive(Debug, Clone)]
 struct Block {
     rms_1: RmsNorm,
     attn: CausalSelfAttention,
@@ -383,6 +388,7 @@ impl Block {
     }
 }
 
+#[derive(Debug, Clone)]
 pub struct Llama {
     wte: Embedding,
     blocks: Vec<Block>,