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[Triton-MLIR][Backend] Fix mmav1 in case of numWarps > 1 (#972)

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This commit is contained in:
goostavz
2022-12-09 18:36:05 +08:00
committed by GitHub
parent 3ed36dcb4d
commit 793012b4c4
2 changed files with 32 additions and 2 deletions
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4
lib/Conversion/TritonGPUToLLVM/TritonGPUToLLVM.cpp
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@@ -2886,11 +2886,15 @@ private:
Value laneIdRem16Div4 = udiv(laneIdRem16, _4);
Value laneIdRem16Div4Rem2 = urem(laneIdRem16Div4, _2);
Value laneIdRem4Div2 = udiv(urem(laneId, _4), _2);
Value rowWarpOffset = mul(multiDimWarpId[0], _16);
Value colWarpOffset = mul(multiDimWarpId[1], _16);
mmaRowIdx[0] =
add(add(mul(laneIdDiv16, _8), mul(laneIdRem16Div4Rem2, _4)),
laneIdRem2);
mmaRowIdx[0] = add(mmaRowIdx[0], rowWarpOffset);
mmaRowIdx[1] = add(mmaRowIdx[0], _2);
mmaColIdx[0] = add(mul(laneIdRem16Div8, _4), mul(laneIdRem4Div2, _2));
mmaColIdx[0] = add(mmaColIdx[0], colWarpOffset);
mmaColIdx[1] = add(mmaColIdx[0], _1);
mmaColIdx[2] = add(mmaColIdx[0], _8);
mmaColIdx[3] = add(mmaColIdx[0], idx_val(9));

30
python/tests/test_gemm.py
View File

@@ -302,10 +302,36 @@ def test_gemm_fp32(M, N, K, num_warps, block_M, block_N, block_K, allow_tf32):
[32, 16, 32, 1, 32, 16, 32, False, False],
[32, 32, 32, 1, 32, 32, 32, False, False],
[128, 32, 32, 1, 128, 32, 32, False, False],
# split-K
# # split-K
[16, 16, 32, 1, 16, 16, 16, False, False],
[64, 64, 128, 1, 64, 64, 32, False, False],
# numWarps > 1
[32, 32, 64, 2, 32, 32, 32, False, False],
[64, 32, 64, 4, 64, 32, 64, False, False],
[128, 64, 128, 4, 128, 64, 128, False, False],
# [16, 16, 16, 16, 16, 16, 16, False, False], # wpt overflow issue, hang on Volta
# K-Forloop
# [16, 16, 64, 4, 8, 8, 8, False, False], # Wrap threads
[32, 32, 64, 4, 32, 32, 32, False, False], # Single shared encoding
# [16, 16, 128, 4, 16, 16, 16, False, False], # Single shared encoding and small k, hang on Volta
[64, 32, 128, 4, 64, 32, 64, False, False],
[128, 16, 128, 4, 128, 16, 32, False, False],
# [32, 16, 128, 4, 32, 16, 32, False, False], # hang on Volta
[32, 64, 128, 4, 32, 64, 32, False, False],
[32, 128, 256, 4, 32, 128, 64, False, False],
[64, 128, 64, 4, 64, 128, 32, False, False],
[64, 64, 128, 4, 64, 64, 32, False, False],
[128, 128, 64, 4, 128, 128, 32, False, False],
[128, 128, 128, 4, 128, 128, 32, False, False],
[128, 128, 256, 4, 128, 128, 64, False, False],
[128, 256, 128, 4, 128, 256, 32, False, False],
[256, 128, 64, 4, 256, 128, 16, False, False],
[128, 64, 128, 4, 128, 64, 32, False, False],
# [16, 16, 64, 4, 16, 16, 16, False, False], # hang on Volta
[32, 32, 64, 4, 32, 32, 32, False, False],
# trans
# [128, 64, 128, 4, 128, 64, 32, True, False],
# [128, 64, 128, 4, 128, 64, 32, False, True],
])
def test_gemm_for_mmav1(SIZE_M, SIZE_N, SIZE_K, NUM_WARPS, BLOCK_SIZE_M, BLOCK_SIZE_N, BLOCK_SIZE_K, TRANS_A, TRANS_B):
test_gemm(SIZE_M, SIZE_N, SIZE_K, NUM_WARPS, BLOCK_SIZE_M, BLOCK_SIZE_N, BLOCK_SIZE_K, TRANS_A, TRANS_B)