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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 IExecutor.h
* @brief This file defines interface of Executor
*/
#ifndef __ONERT_EXEC_I_EXECUTOR_H__
#define __ONERT_EXEC_I_EXECUTOR_H__
#include "ir/Graph.h"
#include "IFunction.h"
#include "IODescription.h"
#include "ir/Index.h"
#include "ir/OperationIndexMap.h"
#include <cstdint>
#include <memory>
#include <unordered_map>
namespace onert
{
namespace backend
{
class IPortableTensor;
namespace builtin
{
class IOTensor;
}
} // namespace backend
} // namespace onert
namespace onert
{
namespace exec
{
class IExecutionObserver;
/**
* @brief Struct to define interface of Executor
*/
struct IExecutor
{
/**
* @brief Construct a new IExecutor object
*/
IExecutor() = default;
/**
* @brief Destroy the IExecutor object
*/
virtual ~IExecutor() = default;
/**
* @brief Returns graph object
*
* @return Graph object
*/
virtual const ir::Graph &graph() = 0;
/**
* @brief Returns parent graph object
*
* @return Graph object
*/
virtual const ir::Graph &parent_graph() = 0;
/**
* @brief Set an ordering on operations
* @param[in] ranks The table encoding the ordering
*/
virtual void setIndexedRanks(std::shared_ptr<ir::OperationIndexMap<int64_t>>) = 0;
/**
* @brief Execute with user-given input/output description (for primary subgraph)
* @param[in] desc Input and output description
* @note This method should be thread-safe
*/
virtual void execute(const IODescription &desc) = 0;
/**
* @brief Execute with given input/output tensors
*
* For non-primary subgraphs, input and output tensors must be given.
*
* @param[in] inputs tensors that are passed as inputs
* @param[in] outputs tensors that are passed as outputs
*/
virtual void execute(const std::vector<backend::IPortableTensor *> &inputs,
const std::vector<backend::IPortableTensor *> &outputs) = 0;
/**
* @brief Get output tensor objects
*
* @return Vector of @c IOTensor
*/
virtual const std::vector<backend::builtin::IOTensor *> &getOutputTensors() const = 0;
};
} // namespace exec
} // namespace onert
#endif // __ONERT_EXEC_I_EXECUTOR_H__
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