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44 lines
1.3 KiB
Plaintext
44 lines
1.3 KiB
Plaintext
#include "cuda_utils.cuh"
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#include<stdint.h>
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#define AFFINE_OP(TYPENAME, FN_NAME) \
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extern "C" __global__ void FN_NAME( \
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const size_t numel, \
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const size_t num_dims, \
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const size_t *info, \
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const TYPENAME *inp, \
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TYPENAME *out, \
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const TYPENAME mul, \
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const TYPENAME add \
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) { \
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const size_t *dims = info; \
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const size_t *strides = info + num_dims; \
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if (is_contiguous(num_dims, dims, strides)) { \
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for (unsigned int i = blockIdx.x * blockDim.x + threadIdx.x; i < numel; i += blockDim.x * gridDim.x) { \
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TYPENAME x = inp ? inp[i] : out[i]; \
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out[i] = x * mul + add; \
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} \
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} \
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else { \
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for (unsigned int i = blockIdx.x * blockDim.x + threadIdx.x; i < numel; i += blockDim.x * gridDim.x) { \
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unsigned strided_i = get_strided_index(i, num_dims, dims, strides); \
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TYPENAME x = inp ? inp[strided_i] : out[i]; \
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out[i] = x * mul + add; \
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} \
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} \
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} \
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#if __CUDA_ARCH__ >= 800
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AFFINE_OP(__nv_bfloat16, affine_bf16)
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#endif
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#if __CUDA_ARCH__ >= 530
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AFFINE_OP(__half, affine_f16)
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#endif
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AFFINE_OP(float, affine_f32)
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AFFINE_OP(double, affine_f64)
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AFFINE_OP(uint8_t, affine_u8)
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AFFINE_OP(uint32_t, affine_u32)
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AFFINE_OP(int64_t, affine_i64)
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