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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_BACKEND_ACL_COMMON_LINEAR_MEMORY_MANAGER_H__
#define __NEURUN_BACKEND_ACL_COMMON_LINEAR_MEMORY_MANAGER_H__
#include <cassert>
#include "AclMemoryManager.h"
#include "model/OperandIndexMap.h"
#include "util/logging.h"
namespace
{
template <typename T_MemoryManager, typename T_PoolManager, typename T_LifetimeManager>
std::shared_ptr<T_MemoryManager> createMemoryManager()
{
std::shared_ptr<T_LifetimeManager> lifetime_mgr = std::make_shared<T_LifetimeManager>();
std::shared_ptr<T_PoolManager> pool_mgr = std::make_shared<T_PoolManager>();
std::shared_ptr<T_MemoryManager> mem_mgr =
std::make_shared<T_MemoryManager>(lifetime_mgr, pool_mgr);
return mem_mgr;
}
} // namespace anonymous
namespace neurun
{
namespace backend
{
namespace acl_common
{
template <typename T_ITensor, typename T_Tensor, typename T_SubTensor, typename T_Object,
typename T_MemoryManager, typename T_PoolManager, typename T_LifetimeManager,
typename T_Allocator, typename T_MemoryGroup>
class AclLinearMemoryManager : public AclMemoryManager<T_ITensor, T_Tensor, T_SubTensor, T_Object>
{
public:
AclLinearMemoryManager()
: _allocator{nullptr},
_io_manager{createMemoryManager<T_MemoryManager, T_PoolManager, T_LifetimeManager>()},
_io_group{std::make_shared<T_MemoryGroup>(_io_manager)}
{
// DO NOTHING
}
virtual ~AclLinearMemoryManager() = default;
virtual void allocate(void) override
{
_allocator = std::make_shared<T_Allocator>();
_io_manager->populate(*_allocator, 1);
_io_group->acquire();
}
virtual void deallocate(void) override
{
_io_group->release();
_io_manager->clear();
}
virtual void startLifetime(const model::OperandIndex &ind) override
{
auto &tensors = this->tensors();
assert(tensors.find(ind) != tensors.end());
auto tensor = tensors[ind];
assert(tensor->handle());
_io_group->manage(tensor->handle());
}
virtual void finishLifetime(const model::OperandIndex &ind) override
{
auto &tensors = this->tensors();
assert(tensors.find(ind) != tensors.end());
auto tensor = tensors[ind];
assert(tensor->allocator());
tensor->allocator()->allocate();
}
private:
std::shared_ptr<T_Allocator> _allocator;
std::shared_ptr<T_MemoryManager> _io_manager;
std::shared_ptr<T_MemoryGroup> _io_group;
};
} // namespace acl_common
} // namespace backend
} // namespace neurun
#endif // __NEURUN_BACKEND_ACL_COMMON_LINEAR_MEMORY_MANAGER_H__
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