| /* |
| * 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; |
| } |