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Add support of GemmNoBias (#91) 

* Add support of GemmNoBias

* Fix a wrong indentation
This commit is contained in:
Tung D. Le 2020-02-21 00:55:24 +09:00 committed by GitHub
parent a3f042220e
commit f1d20e368f
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 76 additions and 25 deletions
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28
src/conversion/onnx_to_krnl/rewrite_patterns/math/gemm.inc
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@ -8,31 +8,34 @@
//
//===----------------------------------------------------------------------===//
template <typename GemmOp>
struct ONNXGemmOpLowering : public ConversionPattern {
ONNXGemmOpLowering(MLIRContext *ctx)
: ConversionPattern(mlir::ONNXGemmOp::getOperationName(), 1, ctx) {}
: ConversionPattern(GemmOp::getOperationName(), 1, ctx) {}
PatternMatchResult
matchAndRewrite(Operation *op, ArrayRef<Value> operands,
ConversionPatternRewriter &rewriter) const final {
auto loc = op->getLoc();
auto has_bias = (operands.size() == 3);
Value A, B, C;
A = operands[0];
B = operands[1];
if (has_bias)
C = operands[2];
auto memRefType = convertToMemRefType(*op->result_type_begin());
auto alphaAttr = FloatAttr::get(memRefType.getElementType(),
llvm::dyn_cast<ONNXGemmOp>(op).alpha().convertToFloat());
llvm::dyn_cast<GemmOp>(op).alpha().convertToFloat());
auto betaAttr = FloatAttr::get(memRefType.getElementType(),
llvm::dyn_cast<ONNXGemmOp>(op).beta().convertToFloat());
llvm::dyn_cast<GemmOp>(op).beta().convertToFloat());
auto alpha = rewriter.create<ConstantOp>(loc, alphaAttr);
auto beta = rewriter.create<ConstantOp>(loc, betaAttr);
bool isTransA = (llvm::dyn_cast<ONNXGemmOp>(op).transA() != 0);
bool isTransB = (llvm::dyn_cast<ONNXGemmOp>(op).transB() != 0);
bool isTransA = (llvm::dyn_cast<GemmOp>(op).transA() != 0);
bool isTransB = (llvm::dyn_cast<GemmOp>(op).transB() != 0);
// Insert an allocation and deallocation for the result of this operation.
Value alloc;
@ -116,6 +119,7 @@ struct ONNXGemmOpLowering : public ConversionPattern {
// GemmOp supports unidirectional broadcasting from C to A*B.
// Hence, it must be enough to get broadcasting information for C only.
std::map<int, Value> broadcastedDimInfo;
if (has_bias) {
auto shape = C.getType().cast<MemRefType>().getShape();
for (int i = 0; i < shape.size(); ++i) {
if (shape[i] < 0) {
@ -126,6 +130,7 @@ struct ONNXGemmOpLowering : public ConversionPattern {
broadcastedDimInfo.insert(std::make_pair(i, isBroadcasted));
}
}
}
auto outerIterateOp = rewriter.create<KrnlIterateOp>(loc, outerPack);
@ -155,14 +160,18 @@ struct ONNXGemmOpLowering : public ConversionPattern {
auto matmulIterateOp = rewriter.create<KrnlIterateOp>(loc, reductionPack);
// Compute beta*C, and add up to alpha*A*B (unidirectional broadcasting)
auto loopCIVs = getLoopIVsForBroadcasting(
loc, rewriter, loopMNIVs, C, broadcastedDimInfo);
auto loadedC = rewriter.create<LoadOp>(loc, C, loopCIVs);
auto loadedAB = rewriter.create<LoadOp>(loc, alloc, loopMNIVs);
auto alphaAB = rewriter.create<MulFOp>(loc, alpha, loadedAB);
if (has_bias) {
auto loopCIVs = getLoopIVsForBroadcasting(loc, rewriter, loopMNIVs, C,
broadcastedDimInfo);
auto loadedC = rewriter.create<LoadOp>(loc, C, loopCIVs);
auto betaC = rewriter.create<MulFOp>(loc, beta, loadedC);
auto Y = rewriter.create<AddFOp>(loc, alphaAB, betaC);
rewriter.create<StoreOp>(loc, Y, alloc, loopMNIVs);
} else {
rewriter.create<StoreOp>(loc, alphaAB, alloc, loopMNIVs);
}
// Insert instructions to do matrix multiplication: A*B
Block &matmulIterationBlock = matmulIterateOp.bodyRegion().front();
@ -203,5 +212,6 @@ struct ONNXGemmOpLowering : public ConversionPattern {
void populateLoweringONNXGemmOpPattern(
OwningRewritePatternList &patterns, MLIRContext *ctx) {
patterns.insert<ONNXGemmOpLowering>(ctx);
patterns.insert<ONNXGemmOpLowering<ONNXGemmOp>>(ctx);
patterns.insert<ONNXGemmOpLowering<ONNXGemmNoBiasOp>>(ctx);
}

15
src/dialect/onnx/onnx_ops.cpp
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@ -586,9 +586,20 @@ void ONNXGemmNoBiasOp::inferShapes() {
return;
auto lhsTy = getOperand(0).getType().cast<RankedTensorType>();
auto rhsTy = getOperand(1).getType().cast<RankedTensorType>();
int64_t M, N, K_A, K_B;
M = (transA() == 0) ? lhsTy.getShape()[0] : lhsTy.getShape()[1];
K_A = (transA() == 0) ? lhsTy.getShape()[1] : lhsTy.getShape()[0];
N = (transB() == 0) ? rhsTy.getShape()[1] : rhsTy.getShape()[0];
K_B = (transB() == 0) ? rhsTy.getShape()[0] : rhsTy.getShape()[1];
if ((K_A != -1) and (K_B != -1) and (K_A != K_B)) {
emitError("Tensor shapes mismatched.");
}
SmallVector<int64_t, 2> dims;
dims.emplace_back(lhsTy.getShape()[0]);
dims.emplace_back(rhsTy.getShape()[1]);
dims.emplace_back(M);
dims.emplace_back(N);
getResult().setType(RankedTensorType::get(dims, lhsTy.getElementType()));
}

2
test/backend/test.py
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@ -98,7 +98,7 @@ test_to_enable = [
"test_gemm_alpha_cpu",
"test_gemm_beta_cpu",
"test_gemm_default_matrix_bias_cpu",
# "test_gemm_default_no_bias_cpu", <- error, need support for optional operands
"test_gemm_default_no_bias_cpu",
"test_gemm_default_scalar_bias_cpu",
"test_gemm_default_single_elem_vector_bias_cpu",
"test_gemm_default_vector_bias_cpu",

32
test/mlir/onnx/onnx_lowering.mlir
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@ -795,12 +795,42 @@ func @test_gemm(%arg0 : tensor<5x10xf32>, %arg1 : tensor<5x10xf32>, %arg2: tenso
// CHECK: [[SUM:%.+]] = addf [[Y]], [[AB]] : f32
// CHECK: store [[SUM]], [[RES]][%arg3, %arg4] : memref<10x10xf32>
// CHECK: }
// CHECK: [[C:%.+]] = load %arg2[%arg4] : memref<10xf32>
// CHECK: [[LOAD_Y:%.+]] = load [[RES]][%arg3, %arg4] : memref<10x10xf32>
// CHECK: [[ALPHA_AB:%.+]] = mulf [[ALPHA]], [[LOAD_Y]] : f32
// CHECK: [[C:%.+]] = load %arg2[%arg4] : memref<10xf32>
// CHECK: [[BETA_C:%.+]] = mulf [[BETA]], [[C]] : f32
// CHECK: [[Y_RES:%.+]] = addf [[ALPHA_AB]], [[BETA_C]] : f32
// CHECK: store [[Y_RES]], [[RES]][%arg3, %arg4] : memref<10x10xf32>
// CHECK: }
// CHECK: return [[RES]] : memref<10x10xf32>
// CHECK: }
}
func @test_gemm_no_bias(%arg0 : tensor<5x10xf32>, %arg1 : tensor<5x10xf32>) -> tensor<*xf32> {
%0 ="onnx.GemmNoBias"(%arg0, %arg1) {alpha = 1.0 : f32, beta = 5.0 : f32, transA = 1, transB = 0} : (tensor<5x10xf32>, tensor<5x10xf32>) -> tensor<*xf32>
"std.return"(%0) : (tensor<*xf32>) -> ()
// CHECK-LABEL: test_gemm_no_bias
// CHECK: [[RES:%.+]] = alloc() : memref<10x10xf32>
// CHECK: [[ALPHA:%.+]] = constant 1.000000e+00 : f32
// CHECK: [[BETA:%.+]] = constant 5.000000e+00 : f32
// CHECK: [[DEF_LOOPS:%.+]]:3 = krnl.define_loops 3
// CHECK: [[OPT_LOOPS:%.+]]:3 = krnl.optimize_loops {
// CHECK: krnl.return_loops [[DEF_LOOPS]]#0, [[DEF_LOOPS]]#1, [[DEF_LOOPS]]#2
// CHECK: } : () -> (!krnl.loop, !krnl.loop, !krnl.loop)
// CHECK: krnl.iterate([[OPT_LOOPS]]#0, [[OPT_LOOPS]]#1) with ([[DEF_LOOPS]]#0 -> %arg2 = 0 to 10, [[DEF_LOOPS]]#1 -> %arg3 = 0 to 10) {
// CHECK: krnl.iterate([[OPT_LOOPS]]#2) with ([[DEF_LOOPS]]#2 -> %arg4 = 0 to 5) {
// CHECK: [[A:%.+]] = load %arg0[%arg4, %arg2] : memref<5x10xf32>
// CHECK: [[B:%.+]] = load %arg1[%arg4, %arg3] : memref<5x10xf32>
// CHECK: [[Y:%.+]] = load [[RES]][%arg2, %arg3] : memref<10x10xf32>
// CHECK: [[AB:%.+]] = mulf [[A]], [[B]] : f32
// CHECK: [[SUM:%.+]] = addf [[Y]], [[AB]] : f32
// CHECK: store [[SUM]], [[RES]][%arg2, %arg3] : memref<10x10xf32>
// CHECK: }
// CHECK: [[LOAD_Y:%.+]] = load [[RES]][%arg2, %arg3] : memref<10x10xf32>
// CHECK: [[ALPHA_AB:%.+]] = mulf [[ALPHA]], [[LOAD_Y]] : f32
// CHECK: store [[ALPHA_AB]], [[RES]][%arg2, %arg3] : memref<10x10xf32>
// CHECK: }
// CHECK: return [[RES]] : memref<10x10xf32>
// CHECK: }
}