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Remove rank constraints in gemm fusion (#101) 

* Remove rank constraints in gemm fusion

* Add an MLIR test

Co-authored-by: Tian Jin <tjingrant@gmail.com>
Co-authored-by: Gheorghe-Teodor Bercea <gt.bercea@gmail.com>
This commit is contained in:
Tung D. Le 2020-02-27 01:40:52 +09:00 committed by GitHub
parent 24d89625e3
commit 0c4a010283
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2 changed files with 14 additions and 2 deletions
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2
src/pass/onnx_combine.td
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@ -45,7 +45,7 @@ def MulAddToGemmOptPattern : Pat<(ONNXAddOp (ONNXMatMulOp:$res $m1, $m2), $m3),
// onnx.add(onnx.Gemm(%X, %Y, None), %Z) = onnx.Gemm(%X, %Y, %Z)
def FuseGemmFollowedByAddition : Pat<(ONNXAddOp (ONNXGemmOp:$res $m1, $m2, $none, $alpha, $beta, $transA, $transB), $bias),
(ONNXGemmOp $m1, $m2, $bias, $alpha, $beta, $transA, $transB),
[(HasOneUse $res), (HasRankOf<2> $m1), (HasRankOf<2> $m2), (HasNoneType $none)]>;
[(HasOneUse $res), (HasNoneType $none)]>;
// ONNX_Op (onnx.Identity (%X)) = ONNX_Op (%X)
def IdentityEliminationPattern : Pat<(ONNXIdentityOp $arg),

14
test/mlir/onnx/onnx_canonicalization.mlir
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@ -111,4 +111,16 @@ func @test_gemm_add_fusion(%arg0: tensor<128x128xf32>, %arg1: tensor<128x128xf32
// CHECK-NEXT: [[GEMM:%.+]] = "onnx.Gemm"(%{{.*}}, %{{.*}}, %{{.*}}) {alpha = 1.000000e+00 : f32, beta = 1.000000e+00 : f32, transA = 0 : i64, transB = 0 : i64} : (tensor<128x128xf32>, tensor<128x128xf32>, tensor<128xf32>) -> tensor<*xf32>
// return [[GEMM]] : tensor<*xf32>
}
}
//CHECK-LABEL: @test_gemm_add_fusion_rank3(%{{.*}}: tensor<128x128x256xf32>, %{{.*}}: tensor<128x128x256xf32>, %{{.*}}: tensor<256xf32>) -> tensor<*xf32> {
func @test_gemm_add_fusion_rank3(%arg0: tensor<128x128x256xf32>, %arg1: tensor<128x128x256xf32>, %arg2: tensor<256xf32>) -> tensor<*xf32> {
%cst = constant unit
%0 = "onnx.Gemm"(%arg0, %arg1, %cst) : (tensor<128x128x256xf32>, tensor<128x128x256xf32>, none) -> tensor<*xf32>
%1 = "onnx.Add"(%0, %arg2) : (tensor<*xf32>, tensor<256xf32>) -> tensor<*xf32>
return %1 : tensor<*xf32>
// CHECK-NEXT: [[GEMM:%.+]] = "onnx.Gemm"(%{{.*}}, %{{.*}}, %{{.*}}) {alpha = 1.000000e+00 : f32, beta = 1.000000e+00 : f32, transA = 0 : i64, transB = 0 : i64} : (tensor<128x128x256xf32>, tensor<128x128x256xf32>, tensor<256xf32>) -> tensor<*xf32>
// return [[GEMM]] : tensor<*xf32>
}