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84 lines
2.6 KiB
84 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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#include "paddle/fluid/framework/details/ssa_graph_printer.h"
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#include <string>
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#include "paddle/fluid/framework/details/ssa_graph.h"
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namespace paddle {
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namespace framework {
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namespace details {
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template <typename Callback>
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static inline void IterAllVar(const SSAGraph &graph, Callback callback) {
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for (auto &each : graph.vars_) {
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for (auto &pair1 : each) {
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for (auto &pair2 : pair1.second) {
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callback(*pair2);
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}
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}
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}
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for (auto &var : graph.dep_vars_) {
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callback(*var);
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}
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}
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void GraphvizSSAGraphPrinter::Print(const SSAGraph &graph,
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std::ostream &sout) const {
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size_t var_id = 0;
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std::unordered_map<const VarHandleBase *, size_t> vars;
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sout << "digraph G {\n";
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IterAllVar(graph, [&](const VarHandleBase &var) {
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auto *var_ptr = &var;
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auto *var_handle_ptr = dynamic_cast<const VarHandle *>(var_ptr);
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auto *dummy_ptr = dynamic_cast<const DummyVarHandle *>(var_ptr);
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size_t cur_var_id = var_id++;
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vars[var_ptr] = cur_var_id;
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if (var_handle_ptr) {
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sout << "var_" << cur_var_id << " [label=\"" << var_handle_ptr->name_
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<< "\\n"
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<< var_handle_ptr->place_ << "\\n"
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<< var_handle_ptr->version_ << "\"]" << std::endl;
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} else if (dummy_ptr) {
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sout << "var_" << cur_var_id << " [label=\"dummy\"]" << std::endl;
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}
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});
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size_t op_id = 0;
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for (auto &op : graph.ops_) {
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std::string op_name = "op_" + std::to_string(op_id++);
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sout << op_name << " [label=\"" << op->Name() << "\", shape=rect]"
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<< std::endl;
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for (auto in : op->Inputs()) {
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std::string var_name = "var_" + std::to_string(vars[in]);
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sout << var_name << " -> " << op_name << std::endl;
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}
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for (auto out : op->Outputs()) {
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std::string var_name = "var_" + std::to_string(vars[out]);
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sout << op_name << " -> " << var_name << std::endl;
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}
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}
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sout << "}\n";
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}
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} // namespace details
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} // namespace framework
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} // namespace paddle
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