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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.
*/
/**
* @file Execution.h
* @brief This file defines execution
*/
#ifndef __NEURUN_EXEC_EXECUTION_H__
#define __NEURUN_EXEC_EXECUTION_H__
#include "exec/IExecutor.h"
#include "IODescription.h"
#include <thread>
namespace neurun
{
namespace exec
{
/**
* @brief Class to define execution instance to collect input/output information for inference
* and prepare executor run (TODO)
*/
class Execution
{
public:
/**
* @brief Construct a new Execution object
* @param[in] executor Model executor
*/
Execution(const std::shared_ptr<IExecutor> &executor);
public:
/**
* @brief Returns model object
* @return Model object
*/
const model::Model &model() const { return _executor->model(); }
/**
* @brief Set input data's information
* @param[in] index Input index
* @param[in] buffer Input data's buffer pointer
* @param[in] length Input data's length
*/
void setInput(const model::IOIndex &index, const void *buffer, size_t length);
/**
* @brief Set input data's information, especially to specify unknown dimensions on model
* build time.
* @param[in] index Input index
* @param[in] type Input data's type info
* @param[in] shape Input data's shape
* @param[in] buffer Input data's buffer pointer
* @param[in] length Input data's length
*/
void setInput(const model::IOIndex &index, const model::TypeInfo &type, const model::Shape &shape,
const void *buffer, size_t length);
/**
* @brief Set output data's information
* @param[in] index Output index
* @param[in] buffer Output data's buffer pointer
* @param[in] length Output data's length
*/
void setOutput(const model::IOIndex &index, void *buffer, size_t length);
/**
* @brief Set output data's information, especially to specify unknown dimensions on model
* build time.
* @param[in] index Output index
* @param[in] type Output data's type info
* @param[in] shape Output data's shape
* @param[in] buffer Output data's buffer pointer
* @param[in] length Output data's length
*/
void setOutput(const model::IOIndex &index, const model::TypeInfo &type,
const model::Shape &shape, void *buffer, size_t length);
/**
* @brief Execution
* @note It should be called after setting input and output buffer
*/
void execute();
/**
* @brief Start asynchronous execution
* @note It returns after execution thread is started
* It should be called after setting input and output buffer
*/
void startExecute(void);
/**
* @brief Return when execution is finished
* @note It waits until execution is finished
*/
void waitFinish(void);
private:
const std::shared_ptr<IExecutor> _executor;
IODescription _io_desc;
std::unique_ptr<std::thread> _exec_thread;
};
} // namespace exec
} // namespace neurun
#endif // __NEURUN_EXEC_EXECUTION_H__
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