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Fix for elementwise_add_grad GetExpectedKernelType function #38176

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Dec 21, 2021
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Fix for elementwise_add_grad GetExpectedKernelType function #38176

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11 changes: 1 addition & 10 deletions paddle/fluid/operators/elementwise/elementwise_op.h
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Original file line number Diff line number Diff line change
Expand Up @@ -319,16 +319,7 @@ class ElementwiseOpGrad : public framework::OperatorWithKernel {
ctx, framework::GradVarName("Out"));

#ifdef PADDLE_WITH_MKLDNN
// If broadcasting is needed, use native implementation
auto CanMKLDNNElementwiseGradBeUsed = [&]() {
auto dx_dims = ctx.Input<Tensor>("X")->dims();
auto dy_dims = ctx.Input<Tensor>("Y")->dims();
// No broadcast or broadcasting of data on inner dims is supported
return (dx_dims[dx_dims.size() - 1] == dy_dims[dy_dims.size() - 1]);
};

if (this->CanMKLDNNBeUsed(ctx, input_data_type) &&
CanMKLDNNElementwiseGradBeUsed()) {
if (this->CanMKLDNNBeUsed(ctx, input_data_type)) {
return framework::OpKernelType(input_data_type, ctx.GetPlace(),
framework::DataLayout::kMKLDNN,
framework::LibraryType::kMKLDNN);
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