Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016, 2017 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "arm_compute/runtime/MemoryManagerOnDemand.h" |
| 25 | |
| 26 | #include "arm_compute/core/Error.h" |
| 27 | #include "arm_compute/runtime/ILifetimeManager.h" |
| 28 | #include "arm_compute/runtime/IPoolManager.h" |
| 29 | |
| 30 | #include <memory> |
| 31 | |
| 32 | using namespace arm_compute; |
| 33 | |
| 34 | MemoryManagerOnDemand::MemoryManagerOnDemand(std::shared_ptr<ILifetimeManager> lifetime_manager, std::shared_ptr<IPoolManager> pool_manager) |
| 35 | : _lifetime_mgr(std::move(lifetime_manager)), _pool_mgr(std::move(pool_manager)), _allocator(nullptr), _is_finalized(false), _num_pools(1) |
| 36 | { |
| 37 | ARM_COMPUTE_ERROR_ON_MSG(!_lifetime_mgr, "Lifetime manager not specified correctly!"); |
| 38 | ARM_COMPUTE_ERROR_ON_MSG(!_pool_mgr, "Pool manager not specified correctly!"); |
| 39 | } |
| 40 | |
| 41 | bool MemoryManagerOnDemand::is_finalized() const |
| 42 | { |
| 43 | return _is_finalized; |
| 44 | } |
| 45 | |
| 46 | void MemoryManagerOnDemand::set_num_pools(unsigned int num_pools) |
| 47 | { |
| 48 | ARM_COMPUTE_ERROR_ON(num_pools == 0); |
| 49 | _num_pools = num_pools; |
| 50 | } |
| 51 | |
| 52 | void MemoryManagerOnDemand::set_allocator(IAllocator *allocator) |
| 53 | { |
| 54 | ARM_COMPUTE_ERROR_ON_MSG(is_finalized(), "Memory manager is already finalized!"); |
| 55 | ARM_COMPUTE_ERROR_ON(allocator == nullptr); |
| 56 | _allocator = allocator; |
| 57 | } |
| 58 | |
| 59 | ILifetimeManager *MemoryManagerOnDemand::lifetime_manager() |
| 60 | { |
| 61 | return _lifetime_mgr.get(); |
| 62 | } |
| 63 | |
| 64 | IPoolManager *MemoryManagerOnDemand::pool_manager() |
| 65 | { |
| 66 | return _pool_mgr.get(); |
| 67 | } |
| 68 | |
| 69 | void MemoryManagerOnDemand::finalize() |
| 70 | { |
| 71 | ARM_COMPUTE_ERROR_ON_MSG(is_finalized(), "Memory manager is already finalized!"); |
| 72 | ARM_COMPUTE_ERROR_ON(!_lifetime_mgr); |
| 73 | ARM_COMPUTE_ERROR_ON(!_pool_mgr); |
| 74 | ARM_COMPUTE_ERROR_ON_MSG(!_lifetime_mgr->are_all_finalized(), "All the objects have not been finalized! "); |
| 75 | ARM_COMPUTE_ERROR_ON(_allocator == nullptr); |
| 76 | |
| 77 | // Create pools |
| 78 | auto pool_template = _lifetime_mgr->create_pool(_allocator); |
| 79 | for(int i = _num_pools; i > 1; --i) |
| 80 | { |
| 81 | auto pool = pool_template->duplicate(); |
| 82 | _pool_mgr->register_pool(std::move(pool)); |
| 83 | } |
| 84 | _pool_mgr->register_pool(std::move(pool_template)); |
| 85 | |
| 86 | // Set finalized to true |
| 87 | _is_finalized = true; |
| 88 | } |