Francis Murtagh | 9270d9e | 2022-08-12 13:54:17 +0100 | [diff] [blame] | 1 | // |
Colm Donelan | b4ef163 | 2024-02-01 15:00:43 +0000 | [diff] [blame] | 2 | // Copyright © 2022, 2024 Arm Ltd and Contributors. All rights reserved. |
Francis Murtagh | 9270d9e | 2022-08-12 13:54:17 +0100 | [diff] [blame] | 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | #include "TosaRefMemoryManager.hpp" |
| 6 | |
Colm Donelan | b4ef163 | 2024-02-01 15:00:43 +0000 | [diff] [blame] | 7 | #include <armnn/Exceptions.hpp> |
Francis Murtagh | 9270d9e | 2022-08-12 13:54:17 +0100 | [diff] [blame] | 8 | #include <algorithm> |
| 9 | |
| 10 | namespace armnn |
| 11 | { |
| 12 | |
| 13 | TosaRefMemoryManager::TosaRefMemoryManager() |
| 14 | {} |
| 15 | |
| 16 | TosaRefMemoryManager::~TosaRefMemoryManager() |
| 17 | {} |
| 18 | |
| 19 | TosaRefMemoryManager::Pool* TosaRefMemoryManager::Manage(unsigned int numBytes) |
| 20 | { |
| 21 | if (!m_FreePools.empty()) |
| 22 | { |
| 23 | Pool* res = m_FreePools.back(); |
| 24 | m_FreePools.pop_back(); |
| 25 | res->Reserve(numBytes); |
| 26 | return res; |
| 27 | } |
| 28 | else |
| 29 | { |
| 30 | m_Pools.push_front(Pool(numBytes)); |
| 31 | return &m_Pools.front(); |
| 32 | } |
| 33 | } |
| 34 | |
| 35 | void TosaRefMemoryManager::Allocate(TosaRefMemoryManager::Pool* pool) |
| 36 | { |
Colm Donelan | b4ef163 | 2024-02-01 15:00:43 +0000 | [diff] [blame] | 37 | ARMNN_THROW_INVALIDARG_MSG_IF_FALSE(pool, "Null memory manager passed to TosaRefMemoryManager."); |
Francis Murtagh | 9270d9e | 2022-08-12 13:54:17 +0100 | [diff] [blame] | 38 | m_FreePools.push_back(pool); |
| 39 | } |
| 40 | |
| 41 | void* TosaRefMemoryManager::GetPointer(TosaRefMemoryManager::Pool* pool) |
| 42 | { |
| 43 | return pool->GetPointer(); |
| 44 | } |
| 45 | |
| 46 | void TosaRefMemoryManager::Acquire() |
| 47 | { |
| 48 | for (Pool &pool: m_Pools) |
| 49 | { |
| 50 | pool.Acquire(); |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | void TosaRefMemoryManager::Release() |
| 55 | { |
| 56 | for (Pool &pool: m_Pools) |
| 57 | { |
| 58 | pool.Release(); |
| 59 | } |
| 60 | } |
| 61 | |
| 62 | TosaRefMemoryManager::Pool::Pool(unsigned int numBytes) |
| 63 | : m_Size(numBytes), |
| 64 | m_Pointer(nullptr) |
| 65 | {} |
| 66 | |
| 67 | TosaRefMemoryManager::Pool::~Pool() |
| 68 | { |
| 69 | if (m_Pointer) |
| 70 | { |
| 71 | Release(); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | void* TosaRefMemoryManager::Pool::GetPointer() |
| 76 | { |
Colm Donelan | b4ef163 | 2024-02-01 15:00:43 +0000 | [diff] [blame] | 77 | ARMNN_THROW_MSG_IF_FALSE(m_Pointer, RuntimeException, |
| 78 | "TosaRefMemoryManager::Pool::GetPointer() called when memory not acquired"); |
Francis Murtagh | 9270d9e | 2022-08-12 13:54:17 +0100 | [diff] [blame] | 79 | return m_Pointer; |
| 80 | } |
| 81 | |
| 82 | void TosaRefMemoryManager::Pool::Reserve(unsigned int numBytes) |
| 83 | { |
Colm Donelan | b4ef163 | 2024-02-01 15:00:43 +0000 | [diff] [blame] | 84 | ARMNN_THROW_MSG_IF_FALSE(!m_Pointer, RuntimeException, |
| 85 | "TosaRefMemoryManager::Pool::Reserve() cannot be called after memory acquired"); |
Francis Murtagh | 9270d9e | 2022-08-12 13:54:17 +0100 | [diff] [blame] | 86 | m_Size = std::max(m_Size, numBytes); |
| 87 | } |
| 88 | |
| 89 | void TosaRefMemoryManager::Pool::Acquire() |
| 90 | { |
Colm Donelan | b4ef163 | 2024-02-01 15:00:43 +0000 | [diff] [blame] | 91 | ARMNN_THROW_MSG_IF_FALSE(!m_Pointer, RuntimeException, |
| 92 | "TosaRefMemoryManager::Pool::Acquire() called when memory already acquired"); |
Francis Murtagh | 9270d9e | 2022-08-12 13:54:17 +0100 | [diff] [blame] | 93 | m_Pointer = ::operator new(size_t(m_Size)); |
| 94 | } |
| 95 | |
| 96 | void TosaRefMemoryManager::Pool::Release() |
| 97 | { |
Colm Donelan | b4ef163 | 2024-02-01 15:00:43 +0000 | [diff] [blame] | 98 | ARMNN_THROW_MSG_IF_FALSE(m_Pointer, RuntimeException, |
| 99 | "TosaRefMemoryManager::Pool::Release() called when memory not acquired"); |
Francis Murtagh | 9270d9e | 2022-08-12 13:54:17 +0100 | [diff] [blame] | 100 | ::operator delete(m_Pointer); |
| 101 | m_Pointer = nullptr; |
| 102 | } |
| 103 | |
| 104 | } |