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Paddle/paddle/fluid/distributed/table/common_dense_table.h

81 lines
2.8 KiB

// Copyright (c) 2020 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 <ThreadPool.h>
#include <assert.h>
#include <pthread.h>
#include <string>
#include "Eigen/Dense"
#include "paddle/fluid/distributed/table/accessor.h"
#include "paddle/fluid/distributed/table/common_table.h"
#include "paddle/fluid/distributed/table/depends/dense.h"
#include "paddle/fluid/distributed/table/depends/initializers.h"
#include "paddle/fluid/string/string_helper.h"
namespace paddle {
namespace distributed {
class CommonDenseTable : public DenseTable {
public:
explicit CommonDenseTable() {}
virtual ~CommonDenseTable() {}
virtual int32_t initialize() override;
virtual int32_t initialize_shard() override { return 0; }
virtual void create_initializer(const std::string& attr,
const std::string& name);
virtual int32_t initialize_value();
virtual int32_t initialize_optimizer();
virtual int32_t pull_dense(float* pull_values, size_t num) override;
virtual int32_t push_dense_param(const float* values, size_t num) override;
virtual int32_t push_dense(const float* values, size_t num) override;
virtual int32_t pour() override;
int32_t load(const std::string& path, const std::string& param) override {
VLOG(0) << "Dense table may load by "
"paddle.distributed.fleet.init_server";
return 0;
}
int32_t save(const std::string& path, const std::string& param) override {
VLOG(0)
<< "Dense table may be saved by "
"paddle.distributed.fleet.save_persistables/save_inference_model";
return 0;
}
virtual int32_t flush() override { return 0; }
virtual int32_t shrink() override { return 0; }
virtual void clear() override { return; }
protected:
int32_t _push_dense(const float* values, size_t num);
private:
const int task_pool_size_ = 1;
bool sync = true;
std::vector<std::shared_ptr<::ThreadPool>> _shards_task_pool;
int param_dim_ = 0;
int param_idx_ = 0;
std::shared_ptr<DenseOptimizer> optimizer_;
std::vector<std::vector<float>> values_;
ReservoirValue<float> pull_reservoir_;
std::unordered_map<std::string, Initializer*> initializers_;
std::unordered_map<std::string, int> names_index_;
};
} // namespace distributed
} // namespace paddle