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Paddle/paddle/fluid/imperative/tracer.h

90 lines
2.8 KiB

// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <map>
#include <string>
#include <vector>
#include "paddle/fluid/framework/op_desc.h"
#include "paddle/fluid/framework/op_registry.h"
#include "paddle/fluid/framework/scope.h"
#include "paddle/fluid/imperative/engine.h"
#include "paddle/fluid/imperative/layer.h"
namespace paddle {
namespace imperative {
class Tracer {
public:
Tracer() {}
void Trace(OpBase* op, const std::vector<VarBase*>& inputs,
const std::vector<VarBase*>& outputs) {
framework::OpDesc* op_desc = op->op_desc_;
LOG(ERROR) << "tracer tracing " << op_desc->Type();
op_desc->InferShape(*block_);
op_desc->InferVarType(block_);
std::unique_ptr<framework::OperatorBase> op_base =
framework::OpRegistry::CreateOp(*op_desc);
*op->input_vars_ = inputs;
for (VarBase* input : inputs) {
const std::string vname = input->var_desc_->Name();
framework::Variable* var = scope_->Var(vname);
if (!var->IsInitialized()) {
framework::VarDesc* var_desc = block_->FindVar(vname);
if (var_desc->GetType() == framework::proto::VarType::LOD_TENSOR) {
var->GetMutable<framework::LoDTensor>();
} else {
LOG(ERROR) << "tracer doesn't support yet";
}
}
}
*op->output_vars_ = outputs;
for (auto output : outputs) {
const std::string vname = output->var_desc_->Name();
framework::Variable* var = scope_->Var(vname);
if (!var->IsInitialized()) {
framework::VarDesc* var_desc = block_->FindVar(vname);
if (var_desc->GetType() == framework::proto::VarType::LOD_TENSOR) {
var->GetMutable<framework::LoDTensor>();
} else {
LOG(ERROR) << "tracer doesn't support yet";
}
}
output->pre_op_ = op;
}
op_base->Run(*scope_, platform::CPUPlace());
}
void SetScope(framework::Scope* scope) { scope_ = scope; }
void SetBlock(framework::BlockDesc* block) { block_ = block; }
framework::Scope* Scope() const { return scope_; }
framework::BlockDesc* Block() const { return block_; }
private:
framework::BlockDesc* block_;
framework::Scope* scope_;
std::vector<Runnable*> runnables_;
};
} // namespace imperative
} // namespace paddle