| /* |
| * Copyright (c) 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/ISimpleLifetimeManager.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/runtime/IAllocator.h" |
| #include "arm_compute/runtime/IMemoryGroup.h" |
| #include "arm_compute/runtime/IMemoryPool.h" |
| #include "support/ToolchainSupport.h" |
| |
| #include <algorithm> |
| #include <cmath> |
| #include <map> |
| #include <vector> |
| |
| using namespace arm_compute; |
| |
| ISimpleLifetimeManager::ISimpleLifetimeManager() |
| : _active_group(nullptr), _active_elements(), _finalized_groups() |
| { |
| } |
| |
| void ISimpleLifetimeManager::register_group(IMemoryGroup *group) |
| { |
| if(_active_group == nullptr) |
| { |
| ARM_COMPUTE_ERROR_ON(group == nullptr); |
| _active_group = group; |
| } |
| } |
| |
| void ISimpleLifetimeManager::start_lifetime(void *obj) |
| { |
| ARM_COMPUTE_ERROR_ON(obj == nullptr); |
| ARM_COMPUTE_ERROR_ON_MSG(std::find_if(std::begin(_active_elements), std::end(_active_elements), [&obj](const Element & e) |
| { |
| return obj == e.id; |
| }) != std::end(_active_elements), |
| "Memory object is already registered!"); |
| |
| // Insert object in groups and mark its finalized state to false |
| _active_elements.emplace_back(obj); |
| } |
| |
| void ISimpleLifetimeManager::end_lifetime(void *obj, void **handle, size_t size) |
| { |
| ARM_COMPUTE_ERROR_ON(obj == nullptr); |
| |
| // Find object |
| auto it = std::find_if(std::begin(_active_elements), std::end(_active_elements), [&obj](const Element & e) |
| { |
| return obj == e.id; |
| }); |
| ARM_COMPUTE_ERROR_ON(it == std::end(_active_elements)); |
| |
| // Update object fields and mark object as complete |
| it->handle = handle; |
| it->size = size; |
| it->status = true; |
| |
| // Check if all object are finalized and reset active group |
| if(are_all_finalized()) |
| { |
| // Update finalized groups |
| _finalized_groups[_active_group].insert(std::end(_finalized_groups[_active_group]), std::begin(_active_elements), std::end(_active_elements)); |
| |
| // Update blobs and group mappings |
| update_blobs_and_mappings(); |
| |
| // Reset state |
| _active_elements.clear(); |
| _active_group = nullptr; |
| } |
| } |
| |
| bool ISimpleLifetimeManager::are_all_finalized() const |
| { |
| return !std::any_of(std::begin(_active_elements), std::end(_active_elements), [](const Element e) |
| { |
| return !e.status; |
| }); |
| } |