executor_function.h 2.4 KB
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// Copyright (c) 2022 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

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#include <iostream>
#include <string>
#include <vector>

#include "paddle/fluid/framework/executor.h"
#include "paddle/fluid/framework/program_desc.h"
#include "paddle/fluid/framework/scope.h"
#include "paddle/fluid/framework/variable.h"

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#include "paddle/fluid/jit/base_function.h"
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#include "paddle/fluid/jit/function_schema.h"
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#include "paddle/fluid/jit/function_utils.h"
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namespace paddle {
namespace jit {

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class ExecutorFunction : public BaseFunction {
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 public:
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  ExecutorFunction(const std::shared_ptr<FunctionInfo> &info,
                   const Name2VariableMap &params_dict,
                   const phi::Place &place)
      : info_(info), place_(place), inner_exe_(place_) {
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    utils::ShareParamsIntoScope(info_->ParamNames(), params_dict, &scope_);
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    VLOG(6) << framework::GenScopeTreeDebugInfo(&scope_);
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    info_->RemoveDescFeedFetch();
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  }
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  ~ExecutorFunction() noexcept {}
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  std::vector<Tensor> operator()(const std::vector<Tensor> &inputs) {
    auto dense_tensors = utils::ToDenseTensors(inputs);
    return utils::ToTensors(this->operator()(dense_tensors));
  }

  std::vector<DenseTensor> operator()(const std::vector<DenseTensor> &inputs) {
    utils::ShareIntoScope(info_->InputArgNames(), inputs, &scope_);
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    inner_exe_.Run(info_->ProgramDesc(),
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                   &scope_,
                   /*blockID=*/0,
                   false,
                   true,
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                   info_->OutputArgNames());
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    std::vector<DenseTensor> res;
    utils::FetchOuts(info_->OutputArgNames(), scope_, &res);
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    return res;
  }

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  const std::shared_ptr<FunctionInfo> &Info() const { return info_; }

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 private:
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  std::shared_ptr<FunctionInfo> info_;
  framework::Scope scope_;
  phi::Place place_;
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  framework::Executor inner_exe_;
};

}  // namespace jit
}  // namespace paddle