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author | telsoa01 <telmo.soares@arm.com> | 2018-08-31 09:22:23 +0100 |
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committer | telsoa01 <telmo.soares@arm.com> | 2018-08-31 09:22:23 +0100 |
commit | c577f2c6a3b4ddb6ba87a882723c53a248afbeba (patch) | |
tree | bd7d4c148df27f8be6649d313efb24f536b7cf34 /src/armnn/memory/BlobMemoryPool.cpp | |
parent | 4c7098bfeab1ffe1cdc77f6c15548d3e73274746 (diff) | |
download | armnn-c577f2c6a3b4ddb6ba87a882723c53a248afbeba.tar.gz |
Release 18.08
Diffstat (limited to 'src/armnn/memory/BlobMemoryPool.cpp')
-rw-r--r-- | src/armnn/memory/BlobMemoryPool.cpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/armnn/memory/BlobMemoryPool.cpp b/src/armnn/memory/BlobMemoryPool.cpp new file mode 100644 index 0000000000..c9f44a4dc6 --- /dev/null +++ b/src/armnn/memory/BlobMemoryPool.cpp @@ -0,0 +1,88 @@ +// +// Copyright © 2017 Arm Ltd. All rights reserved. +// See LICENSE file in the project root for full license information. +// +#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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