diff options
Diffstat (limited to 'src/backends/tosaReference/TosaRefMemoryManager.cpp')
-rw-r--r-- | src/backends/tosaReference/TosaRefMemoryManager.cpp | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/backends/tosaReference/TosaRefMemoryManager.cpp b/src/backends/tosaReference/TosaRefMemoryManager.cpp new file mode 100644 index 0000000000..745e6bec35 --- /dev/null +++ b/src/backends/tosaReference/TosaRefMemoryManager.cpp @@ -0,0 +1,101 @@ +// +// Copyright © 2022 Arm Ltd and Contributors. All rights reserved. +// SPDX-License-Identifier: MIT +// +#include "TosaRefMemoryManager.hpp" + +#include <armnn/utility/Assert.hpp> + +#include <algorithm> + +namespace armnn +{ + +TosaRefMemoryManager::TosaRefMemoryManager() +{} + +TosaRefMemoryManager::~TosaRefMemoryManager() +{} + +TosaRefMemoryManager::Pool* TosaRefMemoryManager::Manage(unsigned int numBytes) +{ + if (!m_FreePools.empty()) + { + Pool* res = m_FreePools.back(); + m_FreePools.pop_back(); + res->Reserve(numBytes); + return res; + } + else + { + m_Pools.push_front(Pool(numBytes)); + return &m_Pools.front(); + } +} + +void TosaRefMemoryManager::Allocate(TosaRefMemoryManager::Pool* pool) +{ + ARMNN_ASSERT(pool); + m_FreePools.push_back(pool); +} + +void* TosaRefMemoryManager::GetPointer(TosaRefMemoryManager::Pool* pool) +{ + return pool->GetPointer(); +} + +void TosaRefMemoryManager::Acquire() +{ + for (Pool &pool: m_Pools) + { + pool.Acquire(); + } +} + +void TosaRefMemoryManager::Release() +{ + for (Pool &pool: m_Pools) + { + pool.Release(); + } +} + +TosaRefMemoryManager::Pool::Pool(unsigned int numBytes) + : m_Size(numBytes), + m_Pointer(nullptr) +{} + +TosaRefMemoryManager::Pool::~Pool() +{ + if (m_Pointer) + { + Release(); + } +} + +void* TosaRefMemoryManager::Pool::GetPointer() +{ + ARMNN_ASSERT_MSG(m_Pointer, "TosaRefMemoryManager::Pool::GetPointer() called when memory not acquired"); + return m_Pointer; +} + +void TosaRefMemoryManager::Pool::Reserve(unsigned int numBytes) +{ + ARMNN_ASSERT_MSG(!m_Pointer, "TosaRefMemoryManager::Pool::Reserve() cannot be called after memory acquired"); + m_Size = std::max(m_Size, numBytes); +} + +void TosaRefMemoryManager::Pool::Acquire() +{ + ARMNN_ASSERT_MSG(!m_Pointer, "TosaRefMemoryManager::Pool::Acquire() called when memory already acquired"); + m_Pointer = ::operator new(size_t(m_Size)); +} + +void TosaRefMemoryManager::Pool::Release() +{ + ARMNN_ASSERT_MSG(m_Pointer, "TosaRefMemoryManager::Pool::Release() called when memory not acquired"); + ::operator delete(m_Pointer); + m_Pointer = nullptr; +} + +} |