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author | Georgios Pinitas <georgios.pinitas@arm.com> | 2017-09-08 19:47:30 +0100 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-11-02 16:35:24 +0000 |
commit | baf174e85ddb5399355281cd34d0f459d92124a7 (patch) | |
tree | d69904df66f7e5ad55edd268d16735542445f36f /src/runtime/BlobLifetimeManager.cpp | |
parent | 1c8409d7ce90ea449437076574c98a4ea90d9368 (diff) | |
download | ComputeLibrary-baf174e85ddb5399355281cd34d0f459d92124a7.tar.gz |
COMPMID-485: Memory Manager
Change-Id: Ib421b7622838f050038cd81e7426bb1413a7d6e6
Reviewed-on: http://mpd-gerrit.cambridge.arm.com/87376
Tested-by: Kaizen <jeremy.johnson+kaizengerrit@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Diffstat (limited to 'src/runtime/BlobLifetimeManager.cpp')
-rw-r--r-- | src/runtime/BlobLifetimeManager.cpp | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/src/runtime/BlobLifetimeManager.cpp b/src/runtime/BlobLifetimeManager.cpp new file mode 100644 index 0000000000..c60d8c14ef --- /dev/null +++ b/src/runtime/BlobLifetimeManager.cpp @@ -0,0 +1,149 @@ +/* + * 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/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 "support/ToolchainSupport.h" + +#include <algorithm> +#include <cmath> +#include <map> +#include <vector> + +using namespace arm_compute; + +BlobLifetimeManager::BlobLifetimeManager() + : _active_group(nullptr), _active_elements(), _finalized_groups(), _blobs() +{ +} + +void BlobLifetimeManager::register_group(IMemoryGroup *group) +{ + if(_active_group == nullptr) + { + ARM_COMPUTE_ERROR_ON(group == nullptr); + _active_group = group; + } +} + +void BlobLifetimeManager::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 BlobLifetimeManager::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; + } +} + +std::unique_ptr<IMemoryPool> BlobLifetimeManager::create_pool(IAllocator *allocator) +{ + ARM_COMPUTE_ERROR_ON(allocator == nullptr); + return support::cpp14::make_unique<BlobMemoryPool>(allocator, _blobs); +} + +bool BlobLifetimeManager::are_all_finalized() const +{ + return !std::any_of(std::begin(_active_elements), std::end(_active_elements), [](const Element e) + { + return !e.status; + }); +} + +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 finalized group requirements in descending order + auto group = _finalized_groups[_active_group]; + std::sort(std::begin(group), std::end(group), [](const Element & a, const Element & b) + { + return a.size > b.size; + }); + std::vector<size_t> group_sizes; + std::transform(std::begin(group), std::end(group), std::back_inserter(group_sizes), [](const Element & e) + { + return e.size; + }); + + // Update blob sizes + size_t max_size = std::max(_blobs.size(), group_sizes.size()); + _blobs.resize(max_size, 0); + group_sizes.resize(max_size, 0); + std::transform(std::begin(_blobs), std::end(_blobs), std::begin(group_sizes), std::begin(_blobs), [](size_t lhs, size_t rhs) + { + return std::max(lhs, rhs); + }); + + // Calculate group mappings + auto &group_mappings = _active_group->mappings(); + int blob_idx = 0; + for(auto &e : group) + { + group_mappings[e.handle] = blob_idx++; + } +} |