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109 lines
4.2 KiB
109 lines
4.2 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#include "paddle/fluid/operators/elementwise/elementwise_div_op.h"
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#include <memory>
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#include <string>
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#include "paddle/fluid/operators/elementwise/elementwise_op.h"
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namespace paddle {
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namespace operators {
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class ElementwiseDivOpMaker : public ElementwiseOpMaker {
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protected:
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std::string GetName() const override { return "Div"; }
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std::string GetEquation() const override { return "Out = X / Y"; }
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};
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class ElementwiseDivGradOpDescMaker : public framework::SingleGradOpDescMaker {
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public:
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using framework::SingleGradOpDescMaker::SingleGradOpDescMaker;
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protected:
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std::unique_ptr<framework::OpDesc> Apply() const override {
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std::unique_ptr<framework::OpDesc> op(new framework::OpDesc());
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op->SetType("elementwise_div_grad");
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op->SetInput("Y", Input("Y"));
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op->SetInput("Out", Output("Out"));
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op->SetInput(framework::GradVarName("Out"), OutputGrad("Out"));
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op->SetOutput(framework::GradVarName("X"), InputGrad("X"));
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op->SetOutput(framework::GradVarName("Y"), InputGrad("Y"));
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op->SetAttrMap(Attrs());
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return op;
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}
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};
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class ElementwiseDivDoubleGradDescMaker
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: public framework::SingleGradOpDescMaker {
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public:
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using framework::SingleGradOpDescMaker::SingleGradOpDescMaker;
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protected:
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std::unique_ptr<framework::OpDesc> Apply() const override {
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std::unique_ptr<framework::OpDesc> op(new framework::OpDesc());
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op->SetType("elementwise_div_grad_grad");
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op->SetInput("Y", Input("Y"));
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op->SetInput("Out", Input("Out"));
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op->SetInput("DDX", OutputGrad(framework::GradVarName("X")));
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op->SetInput("DDY", OutputGrad(framework::GradVarName("Y")));
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op->SetInput("DX", Output(framework::GradVarName("X")));
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op->SetAttrMap(Attrs());
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op->SetOutput(framework::GradVarName("Y"), InputGrad("Y"));
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op->SetOutput("DOut", InputGrad("Out"));
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op->SetOutput("DDOut", InputGrad(framework::GradVarName("Out")));
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return op;
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}
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};
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} // namespace operators
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} // namespace paddle
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namespace ops = paddle::operators;
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REGISTER_OPERATOR(elementwise_div, ops::ElementwiseOp,
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ops::ElementwiseDivOpMaker, ops::ElementwiseOpInferVarType,
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ops::ElementwiseDivGradOpDescMaker);
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REGISTER_OPERATOR(elementwise_div_grad, ops::ElementwiseOpGrad,
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ops::ElementwiseDivDoubleGradDescMaker);
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REGISTER_OPERATOR(elementwise_div_grad_grad, ops::ElementwiseDivOpDoubleGrad,
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ops::ElementwiseDivDoubleGradOpInplace);
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REGISTER_OP_CPU_KERNEL(
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elementwise_div,
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ops::ElementwiseDivKernel<paddle::platform::CPUDeviceContext, float>,
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ops::ElementwiseDivKernel<paddle::platform::CPUDeviceContext, double>,
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ops::ElementwiseDivKernel<paddle::platform::CPUDeviceContext, int>,
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ops::ElementwiseDivKernel<paddle::platform::CPUDeviceContext, int64_t>);
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REGISTER_OP_CPU_KERNEL(
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elementwise_div_grad,
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ops::ElementwiseDivGradKernel<paddle::platform::CPUDeviceContext, float>,
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ops::ElementwiseDivGradKernel<paddle::platform::CPUDeviceContext, double>,
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ops::ElementwiseDivGradKernel<paddle::platform::CPUDeviceContext, int>,
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ops::ElementwiseDivGradKernel<paddle::platform::CPUDeviceContext, int64_t>);
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REGISTER_OP_CPU_KERNEL(
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elementwise_div_grad_grad,
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ops::ElementwiseDivDoubleGradKernel<paddle::platform::CPUDeviceContext,
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float>,
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ops::ElementwiseDivDoubleGradKernel<paddle::platform::CPUDeviceContext,
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double>,
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ops::ElementwiseDivDoubleGradKernel<paddle::platform::CPUDeviceContext,
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int>,
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ops::ElementwiseDivDoubleGradKernel<paddle::platform::CPUDeviceContext,
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int64_t>);
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