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69 lines
2.1 KiB
69 lines
2.1 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 <fstream>
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#include <memory>
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#include <mutex> // NOLINT
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#include <string>
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#include <thread> // NOLINT
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#include <vector>
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#include "paddle/fluid/framework/data_feed.h"
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namespace paddle {
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namespace framework {
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class Dataset {
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public:
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Dataset();
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virtual ~Dataset() {}
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virtual void SetFileList(const std::vector<std::string>& filelist);
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virtual void SetThreadNum(int thread_num);
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virtual void SetTrainerNum(int trainer_num);
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virtual void SetDataFeedDesc(
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const paddle::framework::DataFeedDesc& data_feed_desc);
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virtual const std::vector<std::string>& GetFileList() { return filelist_; }
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virtual int GetThreadNum() { return thread_num_; }
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virtual int GetTrainerNum() { return trainer_num_; }
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virtual const paddle::framework::DataFeedDesc& GetDataFeedDesc() {
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return data_feed_desc_;
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}
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virtual std::vector<std::shared_ptr<paddle::framework::DataFeed>>
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GetReaders();
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virtual void LoadIntoMemory();
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virtual void LocalShuffle();
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// todo global shuffle
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virtual void GlobalShuffle();
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virtual void CreateReaders();
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protected:
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virtual int ReceiveFromClient(int msg_type, int client_id,
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const std::string& msg);
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std::vector<std::shared_ptr<paddle::framework::DataFeed>> readers_;
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int thread_num_;
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std::string fs_name_;
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std::string fs_ugi_;
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paddle::framework::DataFeedDesc data_feed_desc_;
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std::vector<std::string> filelist_;
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int trainer_num_;
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};
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} // end namespace framework
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} // end namespace paddle
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