wehub-resource-sync
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
/* Copyright (c) 2019 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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#include "paddle/fluid/framework/ir/runtime_context_cache_pass.h"
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#include "paddle/fluid/framework/ir/graph_helper.h"
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#include "paddle/fluid/framework/operator.h"
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namespace paddle::framework::ir {
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void RuntimeContextCachePass::ApplyImpl(ir::Graph* graph) const {
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static constexpr char kNotAllowInferShapeCache[] = // NOLINT
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"@NOT_ALLOW_INFERSHAPE_CACHE@";
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VLOG(3) << "Applies Runtime Context Cache strategy.";
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for (const Node* n : graph->Nodes()) {
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if (n->IsOp() && n->Op()) {
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n->Op()->SetAttr(framework::kEnableCacheRuntimeContext, true);
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}
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}
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// if op1 -> var0 and op2 -> var0, then op1 and op2 not support
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// InferShapeCache.
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std::unordered_map<std::string, std::vector<Node*>> var2ops;
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for (auto* op_node : TopologySortOperations(*graph)) {
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for (auto* var_node : op_node->outputs) {
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var2ops[var_node->Name()].push_back(op_node);
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}
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}
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for (auto& it : var2ops) {
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if (it.second.size() > 1) {
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for (auto op_node : it.second) {
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op_node->Op()->SetAttr(kNotAllowInferShapeCache, true);
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}
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}
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}
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}
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} // namespace paddle::framework::ir
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REGISTER_PASS(runtime_context_cache_pass,
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paddle::framework::ir::RuntimeContextCachePass);
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