Merge pull request #12605 from panyx0718/ir
code clean up and renamingrevert-12646-feature/jit/xbyak
Xin Pan
7 years ago
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GitHub
commit
6b45c5a134
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// 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/multi_devices_helper.h"
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namespace paddle {
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namespace framework {
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namespace details {} // namespace details
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} // namespace framework
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} // namespace paddle
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@ -1,107 +0,0 @@
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// 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_builder.h"
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#include <utility>
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namespace paddle {
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namespace framework {
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namespace details {
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void SSAGraphBuilder::PolishGraphToSupportDataHazards(ir::Graph *graph) {
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for (auto &var_map : graph->Get<GraphVars>(kGraphVars)) {
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for (auto &name_pair : var_map) {
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if (name_pair.second.size() <= 1) {
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continue;
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}
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auto it_new = name_pair.second.rbegin();
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auto it_old = name_pair.second.rbegin();
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++it_old;
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for (; it_old != name_pair.second.rend(); it_new = it_old, ++it_old) {
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OpHandleBase *write_op = (*it_new)->GeneratedOp();
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const auto &read_ops = (*it_old)->PendingOps();
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for (auto *read_op : read_ops) {
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// Manually add a dependency var from read_op to write_op;
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if (read_op == write_op) {
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// Read Write is the same op.
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continue;
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}
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bool has_dep = false;
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for (auto *r_out : read_op->Outputs()) {
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for (auto *w_in : write_op->Inputs()) {
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if (r_out->Node() == w_in->Node()) {
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has_dep = true;
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break;
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}
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}
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}
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if (has_dep) continue;
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auto *dep_var = new DummyVarHandle(graph->CreateControlDepVar());
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read_op->AddOutput(dep_var);
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write_op->AddInput(dep_var);
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graph->Get<GraphDepVars>(kGraphDepVars).emplace(dep_var);
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}
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}
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}
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}
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}
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VarHandle *SSAGraphBuilder::CreateOrGetLatestVarHandle(
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ir::Graph *graph, ir::Node *node, const platform::Place &place,
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size_t place_offset) {
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auto &var_holders = graph->Get<GraphVars>(kGraphVars)[place_offset];
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auto &var_holder = var_holders[node->Name()];
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VarHandle *var = nullptr;
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if (var_holder.empty()) {
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if (node->Var()) {
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var = new VarHandle(graph->CreateVarNode(node->Var()), 0, place_offset,
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node->Name(), place);
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} else {
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var = new VarHandle(
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graph->CreateEmptyNode(node->Name(), ir::Node::Type::kVariable), 0,
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place_offset, node->Name(), place);
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}
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var_holder.emplace_back(var);
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} else {
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var = var_holder.rbegin()->get();
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}
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return var;
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}
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void SSAGraphBuilder::CreateOpOutput(ir::Graph *graph, OpHandleBase *op_handle,
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ir::Node *new_node,
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const platform::Place &place,
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size_t place_offset) {
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auto &vars =
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graph->Get<GraphVars>(kGraphVars)[place_offset][new_node->Name()];
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size_t version = vars.size();
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auto var =
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new VarHandle(new_node, version, place_offset, new_node->Name(), place);
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vars.emplace_back(var);
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op_handle->AddOutput(var);
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}
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void SSAGraphBuilder::AddOutputToLeafOps(ir::Graph *graph) {
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for (auto &op : graph->Get<GraphOps>(kGraphOps)) {
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if (!op->Outputs().empty()) {
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continue;
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}
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auto *dummy_leaf = new DummyVarHandle(graph->CreateControlDepVar());
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graph->Get<GraphDepVars>(kGraphDepVars).emplace(dummy_leaf);
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op->AddOutput(dummy_leaf);
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}
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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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