| /* |
| * Copyright (c) 2017-2022 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/BlobLifetimeManager.h" |
| |
| #include "arm_compute/core/Error.h" |
| #include "arm_compute/runtime/BlobMemoryPool.h" |
| #include "arm_compute/runtime/IAllocator.h" |
| #include "arm_compute/runtime/IMemoryGroup.h" |
| |
| #include <algorithm> |
| #include <cmath> |
| #include <iterator> |
| #include <map> |
| |
| namespace arm_compute |
| { |
| BlobLifetimeManager::BlobLifetimeManager() |
| : _blobs() |
| { |
| } |
| |
| const BlobLifetimeManager::info_type &BlobLifetimeManager::info() const |
| { |
| return _blobs; |
| } |
| |
| std::unique_ptr<IMemoryPool> BlobLifetimeManager::create_pool(IAllocator *allocator) |
| { |
| ARM_COMPUTE_ERROR_ON(allocator == nullptr); |
| return std::make_unique<BlobMemoryPool>(allocator, _blobs); |
| } |
| |
| MappingType BlobLifetimeManager::mapping_type() const |
| { |
| return MappingType::BLOBS; |
| } |
| |
| void BlobLifetimeManager::update_blobs_and_mappings() |
| { |
| ARM_COMPUTE_ERROR_ON(!are_all_finalized()); |
| ARM_COMPUTE_ERROR_ON(_active_group == nullptr); |
| |
| // Sort free blobs requirements in descending order. |
| _free_blobs.sort([](const Blob & ba, const Blob & bb) |
| { |
| return ba.max_size > bb.max_size; |
| }); |
| |
| // Create group sizes vector |
| std::vector<BlobInfo> group_sizes; |
| std::transform(std::begin(_free_blobs), std::end(_free_blobs), std::back_inserter(group_sizes), [](const Blob & b) |
| { |
| return BlobInfo{ b.max_size, b.max_alignment, b.bound_elements.size() }; |
| }); |
| |
| // Update blob sizes |
| size_t max_size = std::max(_blobs.size(), group_sizes.size()); |
| _blobs.resize(max_size); |
| group_sizes.resize(max_size); |
| std::transform(std::begin(_blobs), std::end(_blobs), std::begin(group_sizes), std::begin(_blobs), [](BlobInfo lhs, BlobInfo rhs) |
| { |
| return BlobInfo{ std::max(lhs.size, rhs.size), std::max(lhs.alignment, rhs.alignment), std::max(lhs.owners, rhs.owners) }; |
| }); |
| |
| // Calculate group mappings |
| auto &group_mappings = _active_group->mappings(); |
| int blob_idx = 0; |
| for(auto &free_blob : _free_blobs) |
| { |
| for(auto &bound_element_id : free_blob.bound_elements) |
| { |
| ARM_COMPUTE_ERROR_ON(_active_elements.find(bound_element_id) == std::end(_active_elements)); |
| Element &bound_element = _active_elements[bound_element_id]; |
| group_mappings[bound_element.handle] = blob_idx; |
| } |
| ++blob_idx; |
| } |
| } |
| } // namespace arm_compute |