telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2017 Arm Ltd. All rights reserved. |
David Beck | ecb56cd | 2018-09-05 12:52:57 +0100 | [diff] [blame] | 3 | // SPDX-License-Identifier: MIT |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 4 | // |
| 5 | #include "OffsetMemoryPool.hpp" |
| 6 | |
Aron Virginas-Tar | f9aeef0 | 2018-10-12 15:18:03 +0100 | [diff] [blame] | 7 | #include <boost/assert.hpp> |
telsoa01 | c577f2c | 2018-08-31 09:22:23 +0100 | [diff] [blame] | 8 | |
| 9 | #include <algorithm> |
| 10 | |
| 11 | namespace armnn |
| 12 | { |
| 13 | |
| 14 | OffsetMemoryPool::OffsetMemoryPool(arm_compute::IAllocator* allocator, size_t blobSize) |
| 15 | : m_Allocator(allocator) |
| 16 | , m_Blob() |
| 17 | , m_BlobSize(blobSize) |
| 18 | , m_MemoryAllocated(false) |
| 19 | { |
| 20 | AllocatePool(); |
| 21 | } |
| 22 | |
| 23 | OffsetMemoryPool::~OffsetMemoryPool() |
| 24 | { |
| 25 | ReleasePool(); |
| 26 | } |
| 27 | |
| 28 | void OffsetMemoryPool::acquire(arm_compute::MemoryMappings& handles) |
| 29 | { |
| 30 | BOOST_ASSERT(m_Blob); |
| 31 | |
| 32 | // Set memory to handlers |
| 33 | for(auto& handle : handles) |
| 34 | { |
| 35 | BOOST_ASSERT(handle.first); |
| 36 | *handle.first = reinterpret_cast<uint8_t*>(m_Blob) + handle.second; |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | void OffsetMemoryPool::release(arm_compute::MemoryMappings &handles) |
| 41 | { |
| 42 | for(auto& handle : handles) |
| 43 | { |
| 44 | BOOST_ASSERT(handle.first); |
| 45 | *handle.first = nullptr; |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | arm_compute::MappingType OffsetMemoryPool::mapping_type() const |
| 50 | { |
| 51 | return arm_compute::MappingType::OFFSETS; |
| 52 | } |
| 53 | |
| 54 | std::unique_ptr<arm_compute::IMemoryPool> OffsetMemoryPool::duplicate() |
| 55 | { |
| 56 | BOOST_ASSERT(m_Allocator); |
| 57 | return std::make_unique<OffsetMemoryPool>(m_Allocator, m_BlobSize); |
| 58 | } |
| 59 | |
| 60 | void OffsetMemoryPool::AllocatePool() |
| 61 | { |
| 62 | if (!m_MemoryAllocated) |
| 63 | { |
| 64 | BOOST_ASSERT(m_Allocator); |
| 65 | m_Blob = m_Allocator->allocate(m_BlobSize, 0); |
| 66 | |
| 67 | m_MemoryAllocated = true; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | void OffsetMemoryPool::ReleasePool() |
| 72 | { |
| 73 | if (m_MemoryAllocated) |
| 74 | { |
| 75 | BOOST_ASSERT(m_Allocator); |
| 76 | |
| 77 | m_Allocator->free(m_Blob); |
| 78 | m_Blob = nullptr; |
| 79 | |
| 80 | m_MemoryAllocated = false; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | } // namespace armnn |