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Update golobal to Shared Memory operation #7

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Merged
merged 1 commit into from
May 19, 2025
Merged

Update golobal to Shared Memory operation #7

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12 changes: 6 additions & 6 deletions csrc/src/flash_attention_fwd_kernel.h
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Original file line number Diff line number Diff line change
Expand Up @@ -291,12 +291,12 @@ inline __device__ void compute_attn_1rowblock(const Params &params, const int bi
Tensor tVsV = gmem_thr_copy_QKV.partition_D(sV);
Tensor tZeroHoldgZeroHold = gmem_thr_copy_ZeroHold.partition_S(gZeroHold);
Tensor tZeroHoldsZeroHold = gmem_thr_copy_ZeroHold.partition_D(sZeroHold);
auto tCausalMaskgCausalMask = has_causal_mask ?
gmem_thr_copy_CausalMask.partition_S(gCausalMask) :
make_tensor(static_cast<Element*>(nullptr), make_shape(Int<1>{}, Int<1>{}), make_stride(0,0));
auto tCausalMasksCausalMask = has_causal_mask ?
gmem_thr_copy_CausalMask.partition_D(sCausalMask) :
make_tensor(static_cast<Element*>(nullptr), make_shape(Int<1>{}, Int<1>{}), make_stride(0,0));
decltype(gmem_thr_copy_CausalMask.partition_S(gCausalMask)) tCausalMaskgCausalMask;
decltype(gmem_thr_copy_CausalMask.partition_D(sCausalMask)) tCausalMasksCausalMask;
if (has_causal_mask) {
tCausalMaskgCausalMask = gmem_thr_copy_CausalMask.partition_S(gCausalMask);
tCausalMasksCausalMask = gmem_thr_copy_CausalMask.partition_D(sCausalMask);
}

// Matrix Multiply Accumulate
typename Kernel_traits::TiledMma tiled_mma;
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