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bugfix: fix the prefill/append attention kernel accuracy issue on sm75 #448

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merged 1 commit into from
Aug 16, 2024
Merged

bugfix: fix the prefill/append attention kernel accuracy issue on sm75 #448

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4 changes: 2 additions & 2 deletions include/flashinfer/mma.cuh
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Original file line number Diff line number Diff line change
Expand Up @@ -420,7 +420,7 @@ __device__ __forceinline__ void mma_sync_m16n16k16_row_col_f16f16f32(float* C, u
"{%6},"
"{%7, %8, %9, %10};\n"
: "=f"(C[0]), "=f"(C[1]), "=f"(C[2]), "=f"(C[3])
: "r"(A[2]), "r"(A[3]), "r"(B[1]), "f"(0.f), "f"(0.f), "f"(0.f), "f"(0.f));
: "r"(A[2]), "r"(A[3]), "r"(B[1]), "f"(C[0]), "f"(C[1]), "f"(C[2]), "f"(C[3]));
asm volatile(
"mma.sync.aligned.m16n8k8.row.col.f32.f16.f16.f32 "
"{%0, %1, %2, %3},"
Expand All @@ -436,7 +436,7 @@ __device__ __forceinline__ void mma_sync_m16n16k16_row_col_f16f16f32(float* C, u
"{%6},"
"{%7, %8, %9, %10};\n"
: "=f"(C[4]), "=f"(C[5]), "=f"(C[6]), "=f"(C[7])
: "r"(A[2]), "r"(A[3]), "r"(B[3]), "f"(0.f), "f"(0.f), "f"(0.f), "f"(0.f));
: "r"(A[2]), "r"(A[3]), "r"(B[3]), "f"(C[4]), "f"(C[5]), "f"(C[6]), "f"(C[7]));
} else {
asm volatile(
"mma.sync.aligned.m16n8k8.row.col.f32.f16.f16.f32 "
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