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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "BlobMemoryPool.hpp"
#include <boost/assert.hpp>
namespace armnn
{
BlobMemoryPool::BlobMemoryPool(arm_compute::IAllocator* allocator, std::vector<size_t> blobSizes)
: m_Allocator(allocator)
, m_Blobs()
, m_BlobSizes(std::move(blobSizes))
, m_MemoryAllocated(false)
{
AllocatePool();
}
BlobMemoryPool::~BlobMemoryPool()
{
ReleasePool();
}
void BlobMemoryPool::acquire(arm_compute::MemoryMappings& handles)
{
// Set memory to handlers
for (auto& handle : handles)
{
BOOST_ASSERT(handle.first);
*handle.first = m_Blobs[handle.second];
}
}
void BlobMemoryPool::release(arm_compute::MemoryMappings &handles)
{
for (auto& handle : handles)
{
BOOST_ASSERT(handle.first);
*handle.first = nullptr;
}
}
arm_compute::MappingType BlobMemoryPool::mapping_type() const
{
return arm_compute::MappingType::BLOBS;
}
std::unique_ptr<arm_compute::IMemoryPool> BlobMemoryPool::duplicate()
{
BOOST_ASSERT(m_Allocator);
return std::make_unique<BlobMemoryPool>(m_Allocator, m_BlobSizes);
}
void BlobMemoryPool::AllocatePool()
{
if (!m_MemoryAllocated)
{
BOOST_ASSERT(m_Allocator);
for (const auto& blobSize : m_BlobSizes)
{
m_Blobs.push_back(m_Allocator->allocate(blobSize, 0));
}
m_MemoryAllocated = true;
}
}
void BlobMemoryPool::ReleasePool()
{
if (m_MemoryAllocated)
{
BOOST_ASSERT(m_Allocator);
for (auto& blob : m_Blobs)
{
m_Allocator->free(blob);
}
m_Blobs.clear();
m_MemoryAllocated = false;
}
}
} // namespace armnn
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