Georgios Pinitas | 0f7ef8a | 2021-01-10 04:23:52 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018-2021 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 "src/core/cpu/kernels/CpuPermuteKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/Error.h" |
| 27 | #include "arm_compute/core/Helpers.h" |
| 28 | #include "arm_compute/core/ITensor.h" |
| 29 | #include "arm_compute/core/TensorInfo.h" |
| 30 | #include "arm_compute/core/Types.h" |
| 31 | #include "arm_compute/core/Validate.h" |
| 32 | #include "arm_compute/core/utils/misc/ShapeCalculator.h" |
| 33 | #include "src/core/helpers/AutoConfiguration.h" |
| 34 | #include "src/core/helpers/WindowHelpers.h" |
| 35 | |
| 36 | namespace |
| 37 | { |
| 38 | #include "src/core/NEON/kernels/convolution/common/shims.hpp" |
| 39 | } // namespace |
| 40 | |
| 41 | namespace arm_compute |
| 42 | { |
| 43 | namespace cpu |
| 44 | { |
| 45 | namespace kernels |
| 46 | { |
| 47 | namespace |
| 48 | { |
| 49 | inline bool is_permutation_supported(const PermutationVector &v) |
| 50 | { |
| 51 | static const std::array<PermutationVector, 2> permutations2 = |
| 52 | { |
| 53 | { |
| 54 | PermutationVector(0U, 1U), |
| 55 | PermutationVector(1U, 0U), |
| 56 | } |
| 57 | }; |
| 58 | static const std::array<PermutationVector, 6> permutations3 = |
| 59 | { |
| 60 | { |
| 61 | PermutationVector(2U, 0U, 1U), |
| 62 | PermutationVector(1U, 2U, 0U), |
| 63 | PermutationVector(0U, 1U, 2U), |
| 64 | PermutationVector(0U, 2U, 1U), |
| 65 | PermutationVector(1U, 0U, 2U), |
| 66 | PermutationVector(2U, 1U, 0U), |
| 67 | } |
| 68 | }; |
| 69 | static const std::array<PermutationVector, 24> permutations4 = |
| 70 | { |
| 71 | { |
| 72 | PermutationVector(0U, 1U, 2U, 3U), |
| 73 | PermutationVector(1U, 0U, 2U, 3U), |
| 74 | PermutationVector(2U, 0U, 1U, 3U), |
| 75 | PermutationVector(0U, 2U, 1U, 3U), |
| 76 | PermutationVector(1U, 2U, 0U, 3U), |
| 77 | PermutationVector(2U, 1U, 0U, 3U), |
| 78 | PermutationVector(2U, 1U, 3U, 0U), |
| 79 | PermutationVector(1U, 2U, 3U, 0U), |
| 80 | PermutationVector(3U, 2U, 1U, 0U), |
| 81 | PermutationVector(2U, 3U, 1U, 0U), |
| 82 | PermutationVector(1U, 3U, 2U, 0U), |
| 83 | PermutationVector(3U, 1U, 2U, 0U), |
| 84 | PermutationVector(3U, 0U, 2U, 1U), |
| 85 | PermutationVector(0U, 3U, 2U, 1U), |
| 86 | PermutationVector(2U, 3U, 0U, 1U), |
| 87 | PermutationVector(3U, 2U, 0U, 1U), |
| 88 | PermutationVector(0U, 2U, 3U, 1U), |
| 89 | PermutationVector(2U, 0U, 3U, 1U), |
| 90 | PermutationVector(1U, 0U, 3U, 2U), |
| 91 | PermutationVector(0U, 1U, 3U, 2U), |
| 92 | PermutationVector(3U, 1U, 0U, 2U), |
| 93 | PermutationVector(1U, 3U, 0U, 2U), |
| 94 | PermutationVector(0U, 3U, 1U, 2U), |
| 95 | PermutationVector(3U, 0U, 1U, 2U) |
| 96 | } |
| 97 | }; |
| 98 | |
| 99 | return (permutations2.end() != std::find(permutations2.begin(), permutations2.end(), v)) || (permutations3.end() != std::find(permutations3.begin(), permutations3.end(), v)) |
| 100 | || (permutations4.end() != std::find(permutations4.begin(), permutations4.end(), v)); |
| 101 | } |
| 102 | |
| 103 | Status validate_arguments(const ITensorInfo *src, const ITensorInfo *dst, const PermutationVector &perm) |
| 104 | { |
| 105 | ARM_COMPUTE_RETURN_ERROR_ON(src->data_type() == DataType::UNKNOWN); |
| 106 | ARM_COMPUTE_RETURN_ERROR_ON_MSG(!is_permutation_supported(perm), "PermutationVector not supported."); |
| 107 | |
| 108 | const TensorShape dst_shape = misc::shape_calculator::compute_permutation_output_shape(*src, perm); |
| 109 | |
| 110 | // Validate configured destination |
| 111 | if(dst->total_size() != 0) |
| 112 | { |
| 113 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS(dst->tensor_shape(), dst_shape); |
| 114 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(src, dst); |
| 115 | ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, dst); |
| 116 | } |
| 117 | |
| 118 | return Status{}; |
| 119 | } |
| 120 | |
| 121 | template <typename T> |
| 122 | void run_permute(const Window &window, const ITensor *src, const ITensor *dst, const PermutationVector &perm) |
| 123 | { |
| 124 | const DataLayout src_layout = src->info()->data_layout(); |
| 125 | |
| 126 | // Source window |
| 127 | Window window_src = window; |
| 128 | |
| 129 | // we only support these two configs in src/core/NEON/kernels/convolution/common/shims.hpp, for all others |
| 130 | // we have to fall back to C++ |
| 131 | if((src_layout == DataLayout::NCHW && perm == PermutationVector{ 2U, 0U, 1U }) || (src_layout == DataLayout::NHWC && perm == PermutationVector{ 1U, 2U, 0U })) |
| 132 | { |
| 133 | window_src.set(Window::DimX, Window::Dimension(window.x().start(), window.x().end(), window.x().end() - window.x().start())); |
| 134 | window_src.set(Window::DimY, Window::Dimension(window.y().start(), window.y().end(), window.y().end() - window.y().start())); |
| 135 | window_src.set(Window::DimZ, Window::Dimension(window.z().start(), window.z().end(), window.z().end() - window.z().start())); |
| 136 | window_src.set(3, Window::Dimension(window[3].start(), window[3].end(), window[3].end() - window[3].start())); |
| 137 | } |
| 138 | |
| 139 | // Destination window |
| 140 | Window window_dst(window); |
| 141 | const Window::Dimension zero_window = Window::Dimension(0, 0, 0); |
| 142 | for(size_t d = 0; d <= dst->info()->num_dimensions(); ++d) |
| 143 | { |
| 144 | window_dst.set(d, zero_window); |
| 145 | } |
| 146 | |
| 147 | // Create iterators |
| 148 | Iterator src_it(src, window_src); |
| 149 | Iterator dst_it(dst, window_dst); |
| 150 | |
| 151 | int in_row_stride = 0; |
| 152 | int in_col_stride = 0; |
| 153 | int in_channel_stride = 0; |
| 154 | int in_batch_stride = 0; |
| 155 | int n_cols = 0; |
| 156 | int n_rows = 0; |
| 157 | int n_channels = 0; |
| 158 | int n_batches = 0; |
| 159 | |
| 160 | switch(src_layout) |
| 161 | { |
| 162 | case DataLayout::NCHW: |
| 163 | { |
| 164 | in_row_stride = src->info()->strides_in_bytes().y() / sizeof(T); |
| 165 | in_channel_stride = src->info()->strides_in_bytes().z() / sizeof(T); |
| 166 | in_batch_stride = src->info()->strides_in_bytes()[3] / sizeof(T); |
| 167 | n_cols = src->info()->tensor_shape().x(); |
| 168 | n_rows = window_src.y().step(); |
| 169 | n_channels = src->info()->tensor_shape().z(); |
| 170 | n_batches = src->info()->tensor_shape()[3]; |
| 171 | break; |
| 172 | } |
| 173 | case DataLayout::NHWC: |
| 174 | { |
| 175 | in_col_stride = src->info()->strides_in_bytes().y() / sizeof(T); |
| 176 | in_row_stride = src->info()->strides_in_bytes().z() / sizeof(T); |
| 177 | in_batch_stride = src->info()->strides_in_bytes()[3] / sizeof(T); |
| 178 | n_channels = src->info()->tensor_shape().x(); |
| 179 | n_cols = window_src.y().step(); |
| 180 | n_rows = src->info()->tensor_shape().z(); |
| 181 | n_batches = src->info()->tensor_shape()[3]; |
| 182 | break; |
| 183 | } |
| 184 | default: |
| 185 | { |
| 186 | ARM_COMPUTE_ERROR("Invalid source data layout."); |
| 187 | break; |
| 188 | } |
| 189 | } |
| 190 | |
| 191 | // CHW -> HWC |
| 192 | if(src_layout == DataLayout::NCHW && perm == PermutationVector{ 2U, 0U, 1U }) |
| 193 | { |
| 194 | const int out_channel_stride = dst->info()->strides_in_bytes().x() / sizeof(T); |
| 195 | const int out_col_stride = dst->info()->strides_in_bytes().y() / sizeof(T); |
| 196 | const int out_row_stride = dst->info()->strides_in_bytes().z() / sizeof(T); |
| 197 | const int out_batch_stride = dst->info()->strides_in_bytes()[3] / sizeof(T); |
| 198 | execute_window_loop(window_src, [&](const Coordinates & id) |
| 199 | { |
| 200 | const int idx = id[0] * out_col_stride + id[1] * out_row_stride + id[2] * out_channel_stride; |
| 201 | reorder::nchw_to_nhwc(reinterpret_cast<const T *>(src_it.ptr()), reinterpret_cast<T *>(dst_it.ptr()) + idx, |
| 202 | n_batches, n_channels, n_rows, n_cols, |
| 203 | in_batch_stride, in_channel_stride, in_row_stride, |
| 204 | out_batch_stride, out_row_stride, out_col_stride); |
| 205 | }, |
| 206 | src_it, dst_it); |
| 207 | } |
| 208 | // HWC -> CHW |
| 209 | else if(src_layout == DataLayout::NHWC && perm == PermutationVector{ 1U, 2U, 0U }) |
| 210 | { |
| 211 | const int out_col_stride = dst->info()->strides_in_bytes().x() / sizeof(T); |
| 212 | const int out_row_stride = dst->info()->strides_in_bytes().y() / sizeof(T); |
| 213 | const int out_channel_stride = dst->info()->strides_in_bytes().z() / sizeof(T); |
| 214 | const int out_batch_stride = dst->info()->strides_in_bytes()[3] / sizeof(T); |
| 215 | execute_window_loop(window_src, [&](const Coordinates & id) |
| 216 | { |
| 217 | const int idx = id[0] * out_channel_stride + id[1] * out_col_stride + id[2] * out_row_stride; |
| 218 | reorder::nhwc_to_nchw(reinterpret_cast<const T *>(src_it.ptr()), reinterpret_cast<T *>(dst_it.ptr()) + idx, |
| 219 | n_batches, n_rows, n_cols, n_channels, |
| 220 | in_batch_stride, in_row_stride, in_col_stride, |
| 221 | out_batch_stride, out_channel_stride, out_row_stride); |
| 222 | }, |
| 223 | src_it, dst_it); |
| 224 | } |
| 225 | else |
| 226 | { |
| 227 | // All other cases fall back to C++ |
| 228 | // Permute strides |
| 229 | Strides strides = dst->info()->strides_in_bytes(); |
| 230 | Strides perm_strides = strides; |
| 231 | permute_strides(perm_strides, perm); |
| 232 | const int perm_stride_3 = src->info()->num_dimensions() >= 4 ? perm_strides[3] : 0; |
| 233 | execute_window_loop(window, [&](const Coordinates & id) |
| 234 | { |
| 235 | const int idx = id[0] * perm_strides[0] + id[1] * perm_strides[1] + id[2] * perm_strides[2] + id[3] * perm_stride_3; |
| 236 | *(reinterpret_cast<T *>(dst_it.ptr() + idx)) = *(reinterpret_cast<const T *>(src_it.ptr())); |
| 237 | }, |
| 238 | src_it, dst_it); |
| 239 | } |
| 240 | } |
| 241 | } // namespace |
| 242 | |
| 243 | void CpuPermuteKernel::configure(const ITensorInfo *src, ITensorInfo *dst, const PermutationVector &perm) |
| 244 | { |
| 245 | ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst); |
| 246 | const TensorShape dst_shape = misc::shape_calculator::compute_permutation_output_shape(*src, perm); |
| 247 | // Destination auto inizialitation if not yet initialized |
| 248 | auto_init_if_empty(*dst, src->clone()->set_tensor_shape(dst_shape)); |
| 249 | |
| 250 | // Perform validation step |
| 251 | ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src, dst, perm)); |
| 252 | |
| 253 | _perm = perm; |
| 254 | |
| 255 | // Configure kernel window |
| 256 | Window win = calculate_max_window(*src, Steps()); |
| 257 | |
Teresa Charlin | d1dc09c | 2021-03-04 15:24:45 +0000 | [diff] [blame] | 258 | // This kernel doesn't need padding so update_window_and_padding() can be skipped |
Georgios Pinitas | 0f7ef8a | 2021-01-10 04:23:52 +0000 | [diff] [blame] | 259 | |
| 260 | ICpuKernel::configure(win); |
| 261 | } |
| 262 | |
| 263 | Status CpuPermuteKernel::validate(const ITensorInfo *src, const ITensorInfo *dst, const PermutationVector &perm) |
| 264 | { |
| 265 | ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, dst, perm)); |
| 266 | return Status{}; |
| 267 | } |
| 268 | |
| 269 | void CpuPermuteKernel::run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) |
| 270 | { |
| 271 | ARM_COMPUTE_UNUSED(info); |
| 272 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
| 273 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICpuKernel::window(), window); |
| 274 | |
| 275 | const auto src = tensors.get_const_tensor(TensorType::ACL_SRC); |
| 276 | auto dst = tensors.get_tensor(TensorType::ACL_DST); |
| 277 | |
| 278 | switch(src->info()->element_size()) |
| 279 | { |
| 280 | case 1: |
| 281 | run_permute<uint8_t>(window, src, dst, _perm); |
| 282 | break; |
| 283 | case 2: |
| 284 | run_permute<uint16_t>(window, src, dst, _perm); |
| 285 | break; |
| 286 | case 4: |
| 287 | run_permute<uint32_t>(window, src, dst, _perm); |
| 288 | break; |
| 289 | default: |
| 290 | ARM_COMPUTE_ERROR("Element size not supported"); |
| 291 | break; |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | const char *CpuPermuteKernel::name() const |
| 296 | { |
| 297 | return "CpuPermuteKernel"; |
| 298 | } |
| 299 | } // namespace kernels |
| 300 | } // namespace cpu |
| 301 | } // namespace arm_compute |