Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2016, 2017 ARM Limited. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to |
| 8 | * deal in the Software without restriction, including without limitation the |
| 9 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
| 10 | * sell copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all |
| 14 | * copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | #include "arm_compute/runtime/TensorAllocator.h" |
| 25 | |
| 26 | #include "arm_compute/core/Coordinates.h" |
| 27 | #include "arm_compute/core/Error.h" |
| 28 | #include "arm_compute/core/TensorInfo.h" |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 29 | #include "arm_compute/runtime/MemoryGroup.h" |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 30 | |
| 31 | #include <cstddef> |
| 32 | |
| 33 | using namespace arm_compute; |
| 34 | |
| 35 | namespace |
| 36 | { |
| 37 | bool validate_subtensor_shape(const TensorInfo &parent_info, const TensorInfo &child_info, const Coordinates &coords) |
| 38 | { |
| 39 | bool is_valid = true; |
| 40 | const TensorShape &parent_shape = parent_info.tensor_shape(); |
| 41 | const TensorShape &child_shape = child_info.tensor_shape(); |
| 42 | const size_t parent_dims = parent_info.num_dimensions(); |
| 43 | const size_t child_dims = child_info.num_dimensions(); |
| 44 | |
| 45 | if(child_dims <= parent_dims) |
| 46 | { |
| 47 | for(size_t num_dimensions = child_dims; num_dimensions > 0; --num_dimensions) |
| 48 | { |
| 49 | const size_t child_dim_size = coords[num_dimensions - 1] + child_shape[num_dimensions - 1]; |
| 50 | |
| 51 | if((coords[num_dimensions - 1] < 0) || (child_dim_size > parent_shape[num_dimensions - 1])) |
| 52 | { |
| 53 | is_valid = false; |
| 54 | break; |
| 55 | } |
| 56 | } |
| 57 | } |
| 58 | else |
| 59 | { |
| 60 | is_valid = false; |
| 61 | } |
| 62 | |
| 63 | return is_valid; |
| 64 | } |
| 65 | } // namespace |
| 66 | |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 67 | TensorAllocator::TensorAllocator(Tensor *owner) |
| 68 | : _associated_memory_group(nullptr), _buffer(nullptr), _owner(owner) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 69 | { |
| 70 | } |
| 71 | |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 72 | TensorAllocator::~TensorAllocator() |
| 73 | { |
| 74 | if((_associated_memory_group == nullptr) && (_buffer != nullptr)) |
| 75 | { |
| 76 | delete[] _buffer; |
| 77 | _buffer = nullptr; |
| 78 | info().set_is_resizable(true); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | TensorAllocator::TensorAllocator(TensorAllocator &&o) noexcept |
| 83 | : ITensorAllocator(std::move(o)), |
| 84 | _associated_memory_group(o._associated_memory_group), |
| 85 | _buffer(o._buffer), |
| 86 | _owner(o._owner) |
| 87 | { |
| 88 | o._associated_memory_group = nullptr; |
| 89 | o._buffer = nullptr; |
| 90 | o._owner = nullptr; |
| 91 | } |
| 92 | |
| 93 | TensorAllocator &TensorAllocator::operator=(TensorAllocator &&o) noexcept |
| 94 | { |
| 95 | if(&o != this) |
| 96 | { |
| 97 | _associated_memory_group = o._associated_memory_group; |
| 98 | o._associated_memory_group = nullptr; |
| 99 | |
| 100 | _buffer = o._buffer; |
| 101 | o._buffer = nullptr; |
| 102 | |
| 103 | _owner = o._owner; |
| 104 | o._owner = nullptr; |
| 105 | |
| 106 | ITensorAllocator::operator=(std::move(o)); |
| 107 | } |
| 108 | return *this; |
| 109 | } |
| 110 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 111 | void TensorAllocator::init(const TensorAllocator &allocator, const Coordinates &coords, TensorInfo sub_info) |
| 112 | { |
| 113 | // Get parent info |
| 114 | const TensorInfo parent_info = allocator.info(); |
| 115 | |
| 116 | // Check if coordinates and new shape are within the parent tensor |
| 117 | ARM_COMPUTE_ERROR_ON(!validate_subtensor_shape(parent_info, sub_info, coords)); |
| 118 | ARM_COMPUTE_UNUSED(validate_subtensor_shape); |
| 119 | |
| 120 | // Copy pointer to buffer |
| 121 | _buffer = allocator._buffer; |
| 122 | |
| 123 | // Init tensor info with new dimensions |
| 124 | size_t total_size = parent_info.offset_element_in_bytes(coords) + sub_info.total_size() - sub_info.offset_first_element_in_bytes(); |
| 125 | sub_info.init(sub_info.tensor_shape(), sub_info.format(), parent_info.strides_in_bytes(), parent_info.offset_element_in_bytes(coords), total_size); |
| 126 | |
| 127 | // Set TensorInfo |
| 128 | init(sub_info); |
| 129 | } |
| 130 | |
| 131 | uint8_t *TensorAllocator::data() const |
| 132 | { |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 133 | return _buffer; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | void TensorAllocator::allocate() |
| 137 | { |
| 138 | ARM_COMPUTE_ERROR_ON(_buffer != nullptr); |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 139 | if(_associated_memory_group == nullptr) |
| 140 | { |
| 141 | _buffer = new uint8_t[info().total_size()](); |
| 142 | } |
| 143 | else |
| 144 | { |
| 145 | _associated_memory_group->finalize_memory(_owner, reinterpret_cast<void **>(&_buffer), info().total_size()); |
| 146 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 147 | info().set_is_resizable(false); |
| 148 | } |
| 149 | |
| 150 | void TensorAllocator::free() |
| 151 | { |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 152 | if((_associated_memory_group == nullptr) && (_buffer != nullptr)) |
| 153 | { |
| 154 | delete[] _buffer; |
| 155 | _buffer = nullptr; |
| 156 | info().set_is_resizable(true); |
| 157 | } |
| 158 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 159 | |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 160 | void TensorAllocator::set_associated_memory_group(MemoryGroup *associated_memory_group) |
| 161 | { |
| 162 | ARM_COMPUTE_ERROR_ON(associated_memory_group == nullptr); |
| 163 | ARM_COMPUTE_ERROR_ON(_associated_memory_group != nullptr); |
| 164 | ARM_COMPUTE_ERROR_ON(_buffer != nullptr); |
| 165 | _associated_memory_group = associated_memory_group; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | uint8_t *TensorAllocator::lock() |
| 169 | { |
Georgios Pinitas | baf174e | 2017-09-08 19:47:30 +0100 | [diff] [blame] | 170 | return _buffer; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | void TensorAllocator::unlock() |
| 174 | { |
| 175 | } |