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Updates copy function defaults and clarifies comments #43

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Jun 30, 2025
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Updates copy function defaults and clarifies comments #43

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10 changes: 5 additions & 5 deletions csrc/src/utils.h
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Original file line number Diff line number Diff line change
Expand Up @@ -497,19 +497,19 @@ __forceinline__ __device__ void copy(

////////////////////////////////////////////////////////////////////////////////////////////////////

template <bool Is_even_MN=true, bool Clear_OOB_MN=false,
template <bool Is_even_MN=true, bool Clear_OOB_MN=true,
typename TiledCopy, typename Engine0, typename Layout0, typename Engine1, typename Layout1,
typename Engine2, typename Layout2>
__forceinline__ __device__ void copy_ZOH(
TiledCopy tiled_copy, Tensor<Engine0, Layout0> const &S,
Tensor<Engine1, Layout1> &D, Tensor<Engine2, Layout2> const &identity_MN,
const int max_M=0, const int max_N=0
) {
CUTE_STATIC_ASSERT_V(rank(S) == Int<3>{}); // (MMA, M, N)
CUTE_STATIC_ASSERT_V(rank(D) == Int<3>{}); // (MMA, M, N)
CUTE_STATIC_ASSERT_V(rank(S) == Int<3>{}); // (MMA, MMA_M, MMA_N)
CUTE_STATIC_ASSERT_V(rank(D) == Int<3>{}); // (MMA, MMA_M, MMA_N)
CUTE_STATIC_ASSERT_V(size<0>(S) == size<0>(D)); // MMA
CUTE_STATIC_ASSERT_V(size<1>(S) == size<1>(D)); // M
CUTE_STATIC_ASSERT_V(size<2>(S) == size<2>(D)); // N
CUTE_STATIC_ASSERT_V(size<1>(S) == size<1>(D)); // MMA_M
CUTE_STATIC_ASSERT_V(size<2>(S) == size<2>(D)); // MMA_N

#pragma unroll
for (int m = 0; m < size<1>(S); ++m) {
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