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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 __ONERT_BACKEND_ACL_COMMON_INTERNAL_BUFFER_MANAGER_H__
#define __ONERT_BACKEND_ACL_COMMON_INTERNAL_BUFFER_MANAGER_H__
#include <arm_compute/runtime/IMemoryManager.h>
#include <cassert>
#include <memory>
#include <backend/IMemoryManager.h>
namespace onert
{
namespace backend
{
namespace acl_common
{
// NOTE. If any backend can use something like InternalBufferManager,
// this interface can be moved to core/include/backend/
/**
* @brief Interface for InternalBufferManager which has ::arm_compute::IMemoryManager pointer
*/
struct IInternalBufferManager : public backend::IMemoryManager
{
virtual ~IInternalBufferManager() = default;
/**
* @brief Get shared_ptr of ::arm_compute::IMemoryManager
*/
virtual std::shared_ptr<::arm_compute::IMemoryManager> internal_buffer_manager(void) = 0;
};
/**
* @brief class for InternalBufferManager which has ::arm_compute::IMemoryManager pointer
*/
template <typename T_MemoryManager, typename T_PoolManager, typename T_LifetimeManager,
typename T_Allocator>
class AclInternalBufferManager : public IInternalBufferManager
{
public:
AclInternalBufferManager() : _allocator{nullptr}
{
std::shared_ptr<T_LifetimeManager> lifetime_mgr = std::make_shared<T_LifetimeManager>();
std::shared_ptr<T_PoolManager> pool_mgr = std::make_shared<T_PoolManager>();
_internal_manager = std::make_shared<T_MemoryManager>(lifetime_mgr, pool_mgr);
assert(_internal_manager);
}
virtual ~AclInternalBufferManager() = default;
/**
* @brief Allocate the internal buffer manager on acl
*/
void allocate(void) override
{
_allocator = std::make_shared<T_Allocator>();
_internal_manager->populate(*_allocator, 1);
}
/**
* @brief Deallocate the internal buffer manager on acl
*/
void deallocate(void) override { _internal_manager->clear(); }
/**
* @brief Get shared_ptr of ::arm_compute::IMemoryManager
*/
std::shared_ptr<::arm_compute::IMemoryManager> internal_buffer_manager(void) override
{
return _internal_manager;
}
private:
std::shared_ptr<T_Allocator> _allocator;
std::shared_ptr<T_MemoryManager> _internal_manager;
};
} // namespace acl_common
} // namespace backend
} // namespace onert
#endif // __ONERT_BACKEND_ACL_COMMON_INTERNAL_BUFFER_MANAGER_H__
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