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131 lines
4.0 KiB
131 lines
4.0 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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#pragma once
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#include <set>
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#include "paddle/fluid/framework/framework.pb.h"
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#include "paddle/fluid/framework/op_registry.h"
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namespace paddle {
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namespace operators {
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/**
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* @brief Network is also a type of Operator
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*
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* It will manage the operators it has.
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*
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* Network is the container and controller of a set of operators.
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* A network object knows all Operators belonging to this network. Variables,
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* which are inputs and outputs of these operators, are created and managed by a
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* hierarchy of Scope objects.
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*
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* This is the base class of network, all the networks should implement the APIs
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* it defines.
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*/
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class NetOp : public framework::OperatorBase {
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public:
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static const char kAll[];
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NetOp()
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: framework::OperatorBase("plain_net", framework::VariableNameMap{},
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framework::VariableNameMap{},
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framework::AttributeMap{}) {}
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NetOp(const std::string& type, const framework::VariableNameMap& inputs,
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const framework::VariableNameMap& outputs,
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const framework::AttributeMap& attrs);
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NetOp(const NetOp& o) : framework::OperatorBase(o.type_, {}, {}, o.attrs_) {
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this->ops_.reserve(o.ops_.size());
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std::transform(
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o.ops_.begin(), o.ops_.end(), std::back_inserter(this->ops_),
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[](const std::unique_ptr<framework::OperatorBase>& op) {
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return std::unique_ptr<framework::OperatorBase>(op->Clone());
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});
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this->CompleteAddOp();
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}
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bool SupportGPU() const override {
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for (auto& op : ops_) {
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if (!op->SupportGPU()) {
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return false;
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}
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}
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return true;
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}
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void AppendOp(const framework::OperatorBase& op) { AppendOp(op.Clone()); }
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/**
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* @brief Add an operator by ptr
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*/
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void AppendOp(std::unique_ptr<framework::OperatorBase> op) {
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PADDLE_ENFORCE(!add_op_done_,
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"Cannot AppendOp when this network is sealed");
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PADDLE_ENFORCE_NOT_NULL(op, "Cannot Insert Null op");
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ops_.push_back(std::move(op));
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}
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void InsertOp(size_t pos, std::unique_ptr<framework::OperatorBase> op) {
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PADDLE_ENFORCE(!add_op_done_,
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"Cannot InsertOp when this network is sealed");
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PADDLE_ENFORCE_NOT_NULL(op, "Cannot Insert Null op");
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PADDLE_ENFORCE_LE(pos, ops_.size(), "Out of range");
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ops_.insert(ops_.begin() + pos, std::move(op));
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}
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void InsertOp(size_t pos, const framework::OperatorBase& op) {
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InsertOp(pos, op.Clone());
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}
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void CompleteAddOp(bool calculate = true);
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std::string DebugStringEx(
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const framework::Scope* scope = nullptr) const override;
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bool IsNetOp() const override;
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std::vector<std::string> OutputVars(bool has_intermediate) const override;
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std::unique_ptr<framework::OperatorBase> Clone() const override;
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std::vector<std::unique_ptr<framework::OperatorBase>> ops_;
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private:
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/**
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* @brief Run the network.
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*
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* Run all the operators with the `scope`, if no scope is provided, default
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* scope will be used instead. If no OpContext is provicded, default context
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* will be used.
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*/
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void RunImpl(const framework::Scope& scope,
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const platform::Place& place) const override {
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for (auto& op : ops_) {
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op->Run(scope, place);
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}
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}
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bool add_op_done_{false};
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std::set<std::string> intermediate_outputs_;
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template <typename T, typename KeyType>
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static bool Contains(T container, KeyType key) {
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return container.find(key) != container.end();
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}
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};
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} // namespace operators
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} // namespace paddle
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