Matthew Bentham | 4cefc41 | 2019-06-18 16:14:34 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2017 Arm Ltd. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
| 5 | #include "RefTensorHandle.hpp" |
| 6 | |
| 7 | namespace armnn |
| 8 | { |
| 9 | |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 10 | RefTensorHandle::RefTensorHandle(const TensorInfo &tensorInfo, std::shared_ptr<RefMemoryManager> &memoryManager): |
Matthew Bentham | 4cefc41 | 2019-06-18 16:14:34 +0100 | [diff] [blame] | 11 | m_TensorInfo(tensorInfo), |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 12 | m_MemoryManager(memoryManager), |
| 13 | m_Pool(nullptr), |
Ferran Balaguer | bfeb271 | 2019-08-07 15:14:56 +0100 | [diff] [blame] | 14 | m_UnmanagedMemory(nullptr), |
| 15 | m_ImportFlags(static_cast<MemorySourceFlags>(MemorySource::Undefined)), |
| 16 | m_Imported(false) |
| 17 | { |
| 18 | |
| 19 | } |
| 20 | |
| 21 | RefTensorHandle::RefTensorHandle(const TensorInfo& tensorInfo, std::shared_ptr<RefMemoryManager> &memoryManager, |
| 22 | MemorySourceFlags importFlags) |
| 23 | : m_TensorInfo(tensorInfo), |
| 24 | m_MemoryManager(memoryManager), |
| 25 | m_Pool(nullptr), |
| 26 | m_UnmanagedMemory(nullptr), |
| 27 | m_ImportFlags(importFlags), |
| 28 | m_Imported(false) |
Matthew Bentham | 4cefc41 | 2019-06-18 16:14:34 +0100 | [diff] [blame] | 29 | { |
| 30 | |
| 31 | } |
| 32 | |
| 33 | RefTensorHandle::~RefTensorHandle() |
| 34 | { |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 35 | if (!m_Pool) |
| 36 | { |
| 37 | // unmanaged |
Ferran Balaguer | 1cd451c | 2019-08-22 14:09:44 +0100 | [diff] [blame] | 38 | if (!m_Imported) |
| 39 | { |
| 40 | ::operator delete(m_UnmanagedMemory); |
| 41 | } |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 42 | } |
| 43 | } |
| 44 | |
| 45 | void RefTensorHandle::Manage() |
| 46 | { |
| 47 | BOOST_ASSERT_MSG(!m_Pool, "RefTensorHandle::Manage() called twice"); |
| 48 | BOOST_ASSERT_MSG(!m_UnmanagedMemory, "RefTensorHandle::Manage() called after Allocate()"); |
| 49 | |
| 50 | m_Pool = m_MemoryManager->Manage(m_TensorInfo.GetNumBytes()); |
Matthew Bentham | 4cefc41 | 2019-06-18 16:14:34 +0100 | [diff] [blame] | 51 | } |
| 52 | |
| 53 | void RefTensorHandle::Allocate() |
| 54 | { |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 55 | if (!m_UnmanagedMemory) |
Matthew Bentham | 4cefc41 | 2019-06-18 16:14:34 +0100 | [diff] [blame] | 56 | { |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 57 | if (!m_Pool) |
| 58 | { |
| 59 | // unmanaged |
| 60 | m_UnmanagedMemory = ::operator new(m_TensorInfo.GetNumBytes()); |
| 61 | } |
| 62 | else |
| 63 | { |
| 64 | m_MemoryManager->Allocate(m_Pool); |
| 65 | } |
Matthew Bentham | 4cefc41 | 2019-06-18 16:14:34 +0100 | [diff] [blame] | 66 | } |
| 67 | else |
| 68 | { |
| 69 | throw InvalidArgumentException("RefTensorHandle::Allocate Trying to allocate a RefTensorHandle" |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 70 | "that already has allocated memory."); |
Matthew Bentham | 4cefc41 | 2019-06-18 16:14:34 +0100 | [diff] [blame] | 71 | } |
| 72 | } |
| 73 | |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 74 | const void* RefTensorHandle::Map(bool /*unused*/) const |
Matthew Bentham | 4cefc41 | 2019-06-18 16:14:34 +0100 | [diff] [blame] | 75 | { |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 76 | return GetPointer(); |
Matthew Bentham | 4cefc41 | 2019-06-18 16:14:34 +0100 | [diff] [blame] | 77 | } |
| 78 | |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 79 | void* RefTensorHandle::GetPointer() const |
Matthew Bentham | 4cefc41 | 2019-06-18 16:14:34 +0100 | [diff] [blame] | 80 | { |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 81 | if (m_UnmanagedMemory) |
| 82 | { |
| 83 | return m_UnmanagedMemory; |
| 84 | } |
| 85 | else |
| 86 | { |
| 87 | BOOST_ASSERT_MSG(m_Pool, "RefTensorHandle::GetPointer called on unmanaged, unallocated tensor handle"); |
| 88 | return m_MemoryManager->GetPointer(m_Pool); |
| 89 | } |
Matthew Bentham | 4cefc41 | 2019-06-18 16:14:34 +0100 | [diff] [blame] | 90 | } |
| 91 | |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 92 | void RefTensorHandle::CopyOutTo(void* dest) const |
| 93 | { |
| 94 | const void *src = GetPointer(); |
| 95 | BOOST_ASSERT(src); |
| 96 | memcpy(dest, src, m_TensorInfo.GetNumBytes()); |
| 97 | } |
| 98 | |
| 99 | void RefTensorHandle::CopyInFrom(const void* src) |
| 100 | { |
| 101 | void *dest = GetPointer(); |
| 102 | BOOST_ASSERT(dest); |
| 103 | memcpy(dest, src, m_TensorInfo.GetNumBytes()); |
| 104 | } |
| 105 | |
Ferran Balaguer | bfeb271 | 2019-08-07 15:14:56 +0100 | [diff] [blame] | 106 | bool RefTensorHandle::Import(void* memory, MemorySource source) |
| 107 | { |
| 108 | |
| 109 | if (m_ImportFlags & static_cast<MemorySourceFlags>(source)) |
| 110 | { |
| 111 | if (source == MemorySource::Malloc) |
| 112 | { |
Aron Virginas-Tar | d9f7c8b | 2019-09-13 13:37:03 +0100 | [diff] [blame] | 113 | // Check memory alignment |
| 114 | constexpr uintptr_t alignment = sizeof(size_t); |
| 115 | if (reinterpret_cast<uintptr_t>(memory) % alignment) |
Ferran Balaguer | bfeb271 | 2019-08-07 15:14:56 +0100 | [diff] [blame] | 116 | { |
Ferran Balaguer | 1cd451c | 2019-08-22 14:09:44 +0100 | [diff] [blame] | 117 | if (m_Imported) |
| 118 | { |
| 119 | m_Imported = false; |
| 120 | m_UnmanagedMemory = nullptr; |
| 121 | } |
| 122 | |
Ferran Balaguer | bfeb271 | 2019-08-07 15:14:56 +0100 | [diff] [blame] | 123 | return false; |
| 124 | } |
| 125 | |
| 126 | // m_UnmanagedMemory not yet allocated. |
| 127 | if (!m_Imported && !m_UnmanagedMemory) |
| 128 | { |
| 129 | m_UnmanagedMemory = memory; |
| 130 | m_Imported = true; |
| 131 | return true; |
| 132 | } |
| 133 | |
| 134 | // m_UnmanagedMemory initially allocated with Allocate(). |
| 135 | if (!m_Imported && m_UnmanagedMemory) |
| 136 | { |
| 137 | return false; |
| 138 | } |
| 139 | |
| 140 | // m_UnmanagedMemory previously imported. |
| 141 | if (m_Imported) |
| 142 | { |
| 143 | m_UnmanagedMemory = memory; |
| 144 | return true; |
| 145 | } |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | return false; |
| 150 | } |
| 151 | |
Matthew Bentham | 7c1603a | 2019-06-21 17:22:23 +0100 | [diff] [blame] | 152 | } |