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cuda : restore im2col

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ggml-ci
This commit is contained in:
Georgi Gerganov 2023-12-13 18:12:38 +02:00
parent 936af26db1
commit bc014485be
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GPG key ID: 449E073F9DC10735
1 changed files with 13 additions and 25 deletions
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ggml-cuda.cu
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@ -5246,30 +5246,19 @@ static __global__ void clamp_f32(const float * x, float * dst, const float min,
static __global__ void im2col_f32_f16(
const float * x, half * dst,
int offset_delta, int IW, int IH, int OW, int KW, int KH, int pelements, int CHW,
int ofs0, int ofs1, int IW, int IH, int CHW,
int s0, int s1, int p0, int p1, int d0, int d1) {
const int i = threadIdx.x + blockIdx.x * blockDim.x;
if (i >= pelements) {
return;
}
const int ksize = OW * (KH > 1 ? KW : 1);
const int kx = i / ksize;
const int kd = kx * ksize;
const int ky = (i - kd) / OW;
const int ix = i % OW;
const int iiw = ix * s0 + kx * d0 - p0;
const int iih = blockIdx.y * s1 + ky * d1 - p1;
const int iiw = blockIdx.z * s0 + threadIdx.z * d0 - p0;
const int iih = blockIdx.y * s1 + threadIdx.y * d1 - p1;
const int offset_dst =
(blockIdx.y * OW + ix) * CHW +
(blockIdx.z * (KW * KH) + ky * KW + kx);
(threadIdx.x * gridDim.y * gridDim.z + blockIdx.y * gridDim.z + blockIdx.z) * CHW +
(blockIdx.x * (blockDim.y * blockDim.z) + threadIdx.y * blockDim.z + threadIdx.z);
if (iih < 0 || iih >= IH || iiw < 0 || iiw >= IW) {
dst[offset_dst] = __float2half(0.0f);
} else {
const int offset_src = blockIdx.z * offset_delta;
const int offset_src = threadIdx.x * ofs0 + blockIdx.x * ofs1;
dst[offset_dst] = __float2half(x[offset_src + iih * IW + iiw]);
}
}
@ -6502,14 +6491,13 @@ static void soft_max_f32_cuda(const float * x, const float * y, float * dst, con
soft_max_f32<<<block_nums, block_dims, 0, stream>>>(x, y, dst, ncols_x, nrows_y, scale);
}
static void im2col_f32_f16_cuda(const float* x, half* dst,
int IW, int IH, int OW, int OH, int KW, int KH, int IC,
int offset_delta,
int s0,int s1,int p0,int p1,int d0,int d1, cudaStream_t stream) {
const int parallel_elements = OW * KW * KH;
const int num_blocks = (parallel_elements + CUDA_IM2COL_BLOCK_SIZE - 1) / CUDA_IM2COL_BLOCK_SIZE;
dim3 block_nums(num_blocks, OH, IC);
im2col_f32_f16<<<block_nums, CUDA_IM2COL_BLOCK_SIZE, 0, stream>>>(x, dst, offset_delta, IW, IH, OW, KW, KH, parallel_elements, (IC * KH * KW), s0, s1, p0, p1, d0, d1);
static void im2col_f32_f16_cuda(const float * x, half * dst,
int OH, int IW, int IH, int OW, int IC,
int KH, int KW, int N, int ofs0, int ofs1,
int s0, int s1, int p0, int p1, int d0, int d1, cudaStream_t stream) {
dim3 block_nums(IC, OH, OW);
dim3 block_dims(N, KH, KW);
im2col_f32_f16<<<block_nums, block_dims, 0, stream>>>(x, dst, ofs0, ofs1, IW, IH, (IC * KH * KW), s0, s1, p0, p1, d0, d1);
}
// buffer pool for cuda