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/*
* Copyright (c) 2019 Samsung Electronics Co., Ltd. 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.
*/
#ifndef __NEURUN_EXEC_PARALLEL_SCHEDULER_H__
#define __NEURUN_EXEC_PARALLEL_SCHEDULER_H__
#include <unordered_map>
#include <memory>
#include "exec/IFunction.h"
#include "ir/BackendSet.h"
#include "ThreadPool.h"
namespace neurun
{
namespace exec
{
class ParallelScheduler
{
public:
/**
* @brief Constructs ParallelScheduler object
*
* @param backends Backend set
*/
ParallelScheduler(const ir::BackendSet &backends);
/**
* @brief Assign a task to the given backend
*
* @param[in] fn Function to be assigned
* @param[in] fn Target backend
*/
void assign(std::unique_ptr<IFunction> &&fn, const backend::Backend *backend);
/**
* @brief Block until all jobs are finished
*/
void finish();
private:
std::unordered_map<const backend::Backend *, std::unique_ptr<ThreadPool>> _thread_pools;
};
} // namespace exec
} // namespace neurun
#endif // __NEURUN_EXEC_PARALLEL_SCHEDULER_H__
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