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v4.1 release update v2. (#2481)

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This commit is contained in:
Junkai-Wu
2025-07-21 22:03:55 -04:00
committed by GitHub
parent 9baa06dd57
commit fd6cfe1ed0
179 changed files with 7878 additions and 1286 deletions
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examples/77_blackwell_fmha/kernel/fmha_kernel_bwd_convert.hpp
+7 -7
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@@ -85,11 +85,11 @@ struct FmhaKernelBwdConvert {
static const int kIterationsSeq = kBlockSeq / kNumThreadsSeq;
static bool can_implement(Arguments const& args) {
return get<2>(args.problem_shape) % kElementsPerLoad == 0;
return get<2>(args.problem_shape) % kElementsPerLoad == 0 && get<3>(args.problem_shape) % kElementsPerLoad == 0;
}
static dim3 get_grid_shape(Params const& params) {
dim3 grid(size<3,0>(params.problem_shape), size<3,1>(params.problem_shape), ceil_div(std::max(size<0>(params.problem_shape), size<1>(params.problem_shape)), kBlockSeq));
dim3 grid(size<4,0>(params.problem_shape), size<4,1>(params.problem_shape), ceil_div(std::max(size<0>(params.problem_shape), size<1>(params.problem_shape)), kBlockSeq));
return grid;
}
@@ -103,7 +103,7 @@ struct FmhaKernelBwdConvert {
}
template<class StrideSrc, class StrideDest, class Count>
CUTLASS_DEVICE void copy(Params const& params, const ElementAcc* ptr_src, StrideSrc const& stride_src, Element* ptr_dest, StrideDest const& stride_dest, Count const& count) {
CUTLASS_DEVICE void copy(Params const& params, const ElementAcc* ptr_src, StrideSrc const& stride_src, Element* ptr_dest, StrideDest const& stride_dest, Count const& count, int d_dim) {
auto ptr_src_bh = ptr_src + get<2,0>(stride_src) * blockIdx.x + get<2,1>(stride_src) * blockIdx.y;
auto ptr_dest_bh = ptr_dest + get<2,0>(stride_dest) * blockIdx.x + get<2,1>(stride_dest) * blockIdx.y;
@@ -120,7 +120,7 @@ struct FmhaKernelBwdConvert {
auto ptr_src_bhs = ptr_src_bh + idx_s * get<0>(stride_src);
auto ptr_dest_bhs = ptr_dest_bh + idx_s * get<0>(stride_dest);
for (int idx_d = threadIdx.x * kElementsPerLoad; idx_d < get<2>(params.problem_shape); idx_d += kElementsPerLoad * kNumThreadsD) {
for (int idx_d = threadIdx.x * kElementsPerLoad; idx_d < d_dim; idx_d += kElementsPerLoad * kNumThreadsD) {
ElementAcc value_src[kElementsPerLoad];
Element value_dest[kElementsPerLoad];
@@ -139,13 +139,13 @@ struct FmhaKernelBwdConvert {
CUTLASS_DEVICE void operator()(const Params &params, char* smem) {
if (params.ptr_src_dQ != nullptr) {
copy(params, params.ptr_src_dQ, params.stride_src_dQ, params.ptr_dest_dQ, params.stride_dest_dQ, get<0>(params.problem_shape));
copy(params, params.ptr_src_dQ, params.stride_src_dQ, params.ptr_dest_dQ, params.stride_dest_dQ, get<0>(params.problem_shape), get<2>(params.problem_shape));
}
if (params.ptr_src_dK != nullptr) {
copy(params, params.ptr_src_dK, params.stride_src_dK, params.ptr_dest_dK, params.stride_dest_dK, get<1>(params.problem_shape));
copy(params, params.ptr_src_dK, params.stride_src_dK, params.ptr_dest_dK, params.stride_dest_dK, get<1>(params.problem_shape), get<2>(params.problem_shape));
}
if (params.ptr_src_dV != nullptr) {
copy(params, params.ptr_src_dV, params.stride_src_dV, params.ptr_dest_dV, params.stride_dest_dV, get<1>(params.problem_shape));
copy(params, params.ptr_src_dV, params.stride_src_dV, params.ptr_dest_dV, params.stride_dest_dV, get<1>(params.problem_shape), get<3>(params.problem_shape));
}
}
};