114 lines
3.2 KiB
114 lines
3.2 KiB
/* Copyright (c) 2018 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 <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include "paddle/fluid/framework/ir/node.h"
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#include "paddle/fluid/framework/program_desc.h"
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#include "paddle/fluid/platform/enforce.h"
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#include "paddle/fluid/platform/variant.h"
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namespace paddle {
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namespace framework {
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namespace ir {
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class Graph {
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public:
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explicit Graph(const ProgramDesc &program);
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virtual ~Graph() {
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for (auto &attr : attrs_) {
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attr_dels_[attr.first]();
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}
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attrs_.clear();
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attr_dels_.clear();
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}
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template <typename AttrType>
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AttrType &Get(const std::string &attr_name) const {
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return *boost::any_cast<AttrType *>(attrs_.at(attr_name));
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}
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template <typename AttrType>
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void Set(const std::string &attr_name, AttrType *attr) {
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PADDLE_ENFORCE(attrs_.count(attr_name) == 0);
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attrs_[attr_name] = attr;
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attr_dels_[attr_name] = [attr, attr_name]() {
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VLOG(3) << "deleting " << attr_name;
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delete attr;
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};
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}
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const std::unordered_set<ir::Node *> &Nodes() const { return node_set_; }
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ir::Node *CreateVarNode(VarDesc *var_desc) {
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return AddNode(new ir::Node(var_desc));
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}
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ir::Node *CreateOpNode(OpDesc *op_desc) {
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return AddNode(new ir::Node(op_desc));
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}
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ir::Node *CreateControlDepVar() {
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// TODO(panyx0718): control var name should be unique.
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const std::string name = string::Sprintf(
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"%s@%llu", ir::Node::kControlDepVarName, node_set_.size());
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return AddNode(new ir::Node(name, ir::Node::Type::kVariable));
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}
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ir::Node *CreateEmptyNode(const std::string &name, ir::Node::Type type) {
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return AddNode(new ir::Node(name, type));
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}
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std::vector<std::unique_ptr<ir::Node>> ReleaseNodes() {
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std::vector<std::unique_ptr<ir::Node>> ret;
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for (auto &n : nodes_) {
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ret.emplace_back(n.second.release());
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}
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nodes_.clear();
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node_set_.clear();
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return ret;
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}
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private:
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// This method takes ownership of `node`.
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ir::Node *AddNode(ir::Node *node) {
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PADDLE_ENFORCE(node_set_.find(node) == node_set_.end());
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nodes_[node].reset(node);
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node_set_.insert(node);
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return node;
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}
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void RemoveNode(ir::Node *node) {
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PADDLE_ENFORCE(node_set_.find(node) != node_set_.end());
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node_set_.erase(node);
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nodes_.erase(node);
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}
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// NOTE: program_ shouldn't be exposed to user.
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const ProgramDesc &program_;
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std::map<std::string, boost::any> attrs_;
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std::map<std::string, std::function<void(void)>> attr_dels_;
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std::map<ir::Node *, std::unique_ptr<ir::Node>> nodes_;
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std::unordered_set<ir::Node *> node_set_;
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};
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} // namespace ir
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} // namespace framework
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} // namespace paddle
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