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/*
* Copyright (c) 2016, 2017 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "arm_compute/runtime/MemoryManagerOnDemand.h"
#include "arm_compute/core/Error.h"
#include "arm_compute/runtime/ILifetimeManager.h"
#include "arm_compute/runtime/IPoolManager.h"
#include <memory>
using namespace arm_compute;
MemoryManagerOnDemand::MemoryManagerOnDemand(std::shared_ptr<ILifetimeManager> lifetime_manager, std::shared_ptr<IPoolManager> pool_manager)
: _lifetime_mgr(std::move(lifetime_manager)), _pool_mgr(std::move(pool_manager)), _allocator(nullptr), _is_finalized(false), _num_pools(1)
{
ARM_COMPUTE_ERROR_ON_MSG(!_lifetime_mgr, "Lifetime manager not specified correctly!");
ARM_COMPUTE_ERROR_ON_MSG(!_pool_mgr, "Pool manager not specified correctly!");
}
bool MemoryManagerOnDemand::is_finalized() const
{
return _is_finalized;
}
void MemoryManagerOnDemand::set_num_pools(unsigned int num_pools)
{
ARM_COMPUTE_ERROR_ON(num_pools == 0);
_num_pools = num_pools;
}
void MemoryManagerOnDemand::set_allocator(IAllocator *allocator)
{
ARM_COMPUTE_ERROR_ON_MSG(is_finalized(), "Memory manager is already finalized!");
ARM_COMPUTE_ERROR_ON(allocator == nullptr);
_allocator = allocator;
}
ILifetimeManager *MemoryManagerOnDemand::lifetime_manager()
{
return _lifetime_mgr.get();
}
IPoolManager *MemoryManagerOnDemand::pool_manager()
{
return _pool_mgr.get();
}
void MemoryManagerOnDemand::finalize()
{
ARM_COMPUTE_ERROR_ON_MSG(is_finalized(), "Memory manager is already finalized!");
ARM_COMPUTE_ERROR_ON(!_lifetime_mgr);
ARM_COMPUTE_ERROR_ON(!_pool_mgr);
ARM_COMPUTE_ERROR_ON_MSG(!_lifetime_mgr->are_all_finalized(), "All the objects have not been finalized! ");
ARM_COMPUTE_ERROR_ON(_allocator == nullptr);
// Create pools
auto pool_template = _lifetime_mgr->create_pool(_allocator);
for(int i = _num_pools; i > 1; --i)
{
auto pool = pool_template->duplicate();
_pool_mgr->register_pool(std::move(pool));
}
_pool_mgr->register_pool(std::move(pool_template));
// Set finalized to true
_is_finalized = true;
}
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