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68 lines
2.6 KiB
68 lines
2.6 KiB
// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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#pragma once
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#include <string>
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#include <unordered_map>
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#include "paddle/fluid/framework/op_desc.h"
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#include "paddle/fluid/framework/type_defs.h"
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namespace paddle {
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namespace framework {
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/*
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Inplace Inference for create In->Out pairs for inplaced operator.
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If we specify a pair of corresponding names. For example, X->Out.
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then Out will inplaced use X's memory. The base class will do
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legality validation for both variables.
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*/
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class InplaceOpInference {
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public:
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virtual ~InplaceOpInference() {}
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virtual std::unordered_map<std::string, std::string> operator()(
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const OpDesc& op_desc, bool use_cuda) const = 0;
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};
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/*
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Inplace In and Out for operator only have an Input and an Output.
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For example, activation op.
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*/
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class SingleOpInplaceInToOut : public InplaceOpInference {
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public:
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std::unordered_map<std::string, std::string> operator()(
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const OpDesc& op_desc, bool use_cuda) const override {
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PADDLE_ENFORCE_EQ(op_desc.InputNames().size(), 1,
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"Op inputs must be unique");
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PADDLE_ENFORCE_EQ(op_desc.OutputNames().size(), 1,
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"Op outputs must be unique");
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auto x_name = op_desc.InputNames().at(0);
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auto out_name = op_desc.OutputNames().at(0);
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return std::unordered_map<std::string, std::string>{{x_name, out_name}};
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}
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};
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#define DECLARE_INPLACE_OP_INFERER(class_name, ...) \
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class class_name final : public ::paddle::framework::InplaceOpInference { \
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public: \
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std::unordered_map<std::string, std::string> operator()( \
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const ::paddle::framework::OpDesc& op_desc, \
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bool use_cuda) const final { \
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return {__VA_ARGS__}; \
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} \
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}
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} // namespace framework
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} // namespace paddle
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