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90 lines
2.8 KiB
90 lines
2.8 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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#pragma once
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#include <map>
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#include <string>
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#include <vector>
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#include "paddle/fluid/framework/op_desc.h"
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#include "paddle/fluid/framework/op_registry.h"
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#include "paddle/fluid/framework/scope.h"
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#include "paddle/fluid/imperative/engine.h"
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#include "paddle/fluid/imperative/layer.h"
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namespace paddle {
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namespace imperative {
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class Tracer {
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public:
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Tracer() {}
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void Trace(OpBase* op, const std::vector<VarBase*>& inputs,
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const std::vector<VarBase*>& outputs) {
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framework::OpDesc* op_desc = op->op_desc_;
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LOG(ERROR) << "tracer tracing " << op_desc->Type();
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op_desc->InferShape(*block_);
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op_desc->InferVarType(block_);
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std::unique_ptr<framework::OperatorBase> op_base =
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framework::OpRegistry::CreateOp(*op_desc);
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*op->input_vars_ = inputs;
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for (VarBase* input : inputs) {
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const std::string vname = input->var_desc_->Name();
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framework::Variable* var = scope_->Var(vname);
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if (!var->IsInitialized()) {
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framework::VarDesc* var_desc = block_->FindVar(vname);
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if (var_desc->GetType() == framework::proto::VarType::LOD_TENSOR) {
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var->GetMutable<framework::LoDTensor>();
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} else {
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LOG(ERROR) << "tracer doesn't support yet";
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}
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}
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}
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*op->output_vars_ = outputs;
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for (auto output : outputs) {
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const std::string vname = output->var_desc_->Name();
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framework::Variable* var = scope_->Var(vname);
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if (!var->IsInitialized()) {
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framework::VarDesc* var_desc = block_->FindVar(vname);
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if (var_desc->GetType() == framework::proto::VarType::LOD_TENSOR) {
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var->GetMutable<framework::LoDTensor>();
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} else {
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LOG(ERROR) << "tracer doesn't support yet";
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}
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}
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output->pre_op_ = op;
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}
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op_base->Run(*scope_, platform::CPUPlace());
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}
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void SetScope(framework::Scope* scope) { scope_ = scope; }
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void SetBlock(framework::BlockDesc* block) { block_ = block; }
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framework::Scope* Scope() const { return scope_; }
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framework::BlockDesc* Block() const { return block_; }
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private:
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framework::BlockDesc* block_;
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framework::Scope* scope_;
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std::vector<Runnable*> runnables_;
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};
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} // namespace imperative
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} // namespace paddle
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