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/*
* Copyright (c) 2017-2019 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>
using namespace arm_compute;
BlobLifetimeManager::BlobLifetimeManager()
: _blobs()
{
}
std::unique_ptr<IMemoryPool> BlobLifetimeManager::create_pool(IAllocator *allocator)
{
ARM_COMPUTE_ERROR_ON(allocator == nullptr);
return support::cpp14::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);
});
// 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));
});
// 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;
}
}
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