huggingface/candle
1
0
Fork 0
mirror of https://github.com/huggingface/candle.git synced 2025-06-16 10:38:54 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix: fix index_select cuda kernel for src target dim different than ids dim when selecting dim > 0 (#1037)

Browse Source 
* fix: fix index_select cuda kernel for src target dim different than ids dim when selecting dim > 0

* cargo fmt
This commit is contained in:
Gonzalo
2023-10-05 14:46:13 -03:00
committed by GitHub
parent f0c619a4af
commit 8f7973958c
3 changed files with 21 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
candle-kernels/src/indexing.cu
View File

@ -12,17 +12,18 @@ __device__ void index_select(
const T *inp,
T *out,
const size_t left_size,
const size_t dim_size,
const size_t src_dim_size,
const size_t ids_dim_size,
const size_t right_size
) {
const size_t *dims = info;
const size_t *strides = info + num_dims;
bool b = is_contiguous(num_dims, dims, strides);
for (unsigned int dst_i = blockIdx.x * blockDim.x + threadIdx.x; dst_i < numel; dst_i += blockDim.x * gridDim.x) {
unsigned int left_i = dst_i / (dim_size * right_size);
unsigned int id_i = dst_i / right_size % dim_size;
unsigned int left_i = dst_i / (ids_dim_size * right_size);
unsigned int id_i = dst_i / right_size % ids_dim_size;
unsigned int right_i = dst_i % right_size;
unsigned int src_i = left_i * (dim_size * right_size) + ids[id_i] * right_size + right_i;
unsigned int src_i = left_i * (src_dim_size * right_size) + ids[id_i] * right_size + right_i;
unsigned strided_i = b ? src_i : get_strided_index(src_i, num_dims, dims, strides);
out[dst_i] = inp[strided_i];
}
@ -37,9 +38,10 @@ extern "C" __global__ void FN_NAME( \
const TYPENAME *inp, \
TYPENAME *out, \
const size_t left_size, \
const size_t dim_size, \
const size_t src_dim_size, \
const size_t ids_dim_size, \
const size_t right_size \
) { index_select(numel, num_dims, info, ids, inp, out, left_size, dim_size, right_size); } \
) { index_select(numel, num_dims, info, ids, inp, out, left_size, src_dim_size, ids_dim_size, right_size); } \
template<typename T, typename I>
__device__ void gather(