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/*
* 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;
});
}
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