Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 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 "PoolingLayer.h" |
| 25 | |
Georgios Pinitas | 583137c | 2017-08-31 18:12:42 +0100 | [diff] [blame] | 26 | #include "arm_compute/core/Types.h" |
Moritz Pflanzer | a09de0c | 2017-09-01 20:41:12 +0100 | [diff] [blame] | 27 | #include "tests/validation/FixedPoint.h" |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 28 | |
| 29 | namespace arm_compute |
| 30 | { |
| 31 | namespace test |
| 32 | { |
| 33 | namespace validation |
| 34 | { |
| 35 | namespace reference |
| 36 | { |
| 37 | namespace |
| 38 | { |
| 39 | TensorShape calculate_output_shape(TensorShape shape, PoolingLayerInfo info) |
| 40 | { |
| 41 | TensorShape dst_shape = shape; |
| 42 | const std::pair<unsigned int, unsigned int> scaled_dims = arm_compute::scaled_dimensions(shape.x(), |
| 43 | shape.y(), |
| 44 | info.pool_size(), |
| 45 | info.pool_size(), |
| 46 | info.pad_stride_info()); |
| 47 | dst_shape.set(0, scaled_dims.first); |
| 48 | dst_shape.set(1, scaled_dims.second); |
| 49 | |
| 50 | return dst_shape; |
| 51 | } |
| 52 | } // namespace |
| 53 | |
| 54 | template <typename T, typename std::enable_if<is_floating_point<T>::value, int>::type> |
| 55 | SimpleTensor<T> pooling_layer(const SimpleTensor<T> &src, PoolingLayerInfo info) |
| 56 | { |
Georgios Pinitas | adaae7e | 2017-10-30 15:56:32 +0000 | [diff] [blame] | 57 | const int pool_size = info.pool_size(); |
| 58 | PoolingType type = info.pool_type(); |
| 59 | int pool_stride_x = info.pad_stride_info().stride().first; |
| 60 | int pool_stride_y = info.pad_stride_info().stride().second; |
| 61 | int pad_x = info.pad_stride_info().pad().first; |
| 62 | int pad_y = info.pad_stride_info().pad().second; |
| 63 | bool exclude_padding = info.exclude_padding(); |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 64 | |
| 65 | const auto w_src = static_cast<int>(src.shape()[0]); |
| 66 | const auto h_src = static_cast<int>(src.shape()[1]); |
| 67 | const int upper_dims = src.shape().total_size() / (w_src * h_src); |
| 68 | |
| 69 | // Create reference |
| 70 | SimpleTensor<T> dst{ calculate_output_shape(src.shape(), info), src.data_type(), 1, src.fixed_point_position() }; |
| 71 | |
| 72 | const auto w_dst = static_cast<int>(dst.shape()[0]); |
| 73 | const auto h_dst = static_cast<int>(dst.shape()[1]); |
| 74 | |
| 75 | if(type == PoolingType::MAX) |
| 76 | { |
| 77 | for(int r = 0; r < upper_dims; ++r) |
| 78 | { |
| 79 | for(int h = 0; h < h_dst; ++h) |
| 80 | { |
| 81 | for(int w = 0; w < w_dst; ++w) |
| 82 | { |
| 83 | int wstart = w * pool_stride_x - pad_x; |
| 84 | int hstart = h * pool_stride_y - pad_y; |
| 85 | int wend = std::min(wstart + pool_size, w_src); |
| 86 | int hend = std::min(hstart + pool_size, h_src); |
| 87 | wstart = std::max(wstart, 0); |
| 88 | hstart = std::max(hstart, 0); |
| 89 | |
| 90 | T max_val = std::numeric_limits<T>::lowest(); |
| 91 | for(int y = hstart; y < hend; ++y) |
| 92 | { |
| 93 | for(int x = wstart; x < wend; ++x) |
| 94 | { |
| 95 | const T val = src[r * h_src * w_src + y * w_src + x]; |
| 96 | if(val > max_val) |
| 97 | { |
| 98 | max_val = val; |
| 99 | } |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | dst[r * h_dst * w_dst + h * w_dst + w] = max_val; |
| 104 | } |
| 105 | } |
| 106 | } |
| 107 | } |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 108 | else // Average or l2 pooling |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 109 | { |
| 110 | for(int r = 0; r < upper_dims; ++r) |
| 111 | { |
| 112 | for(int h = 0; h < h_dst; ++h) |
| 113 | { |
| 114 | for(int w = 0; w < w_dst; ++w) |
| 115 | { |
| 116 | T avg_val(0); |
| 117 | int wstart = w * pool_stride_x - pad_x; |
| 118 | int hstart = h * pool_stride_y - pad_y; |
| 119 | int wend = std::min(wstart + pool_size, w_src + pad_x); |
| 120 | int hend = std::min(hstart + pool_size, h_src + pad_y); |
| 121 | int pool = (hend - hstart) * (wend - wstart); |
| 122 | wstart = std::max(wstart, 0); |
| 123 | hstart = std::max(hstart, 0); |
| 124 | wend = std::min(wend, w_src); |
| 125 | hend = std::min(hend, h_src); |
Georgios Pinitas | adaae7e | 2017-10-30 15:56:32 +0000 | [diff] [blame] | 126 | // Exclude padding pixels from the average |
| 127 | if(exclude_padding) |
| 128 | { |
| 129 | pool = (hend - hstart) * (wend - wstart); |
| 130 | } |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 131 | |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 132 | if(type == PoolingType::AVG) |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 133 | { |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 134 | for(int y = hstart; y < hend; ++y) |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 135 | { |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 136 | for(int x = wstart; x < wend; ++x) |
| 137 | { |
| 138 | avg_val += src[r * h_src * w_src + y * w_src + x]; |
| 139 | } |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 140 | } |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 141 | dst[r * h_dst * w_dst + h * w_dst + w] = avg_val / pool; |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 142 | } |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 143 | else |
| 144 | { |
| 145 | for(int y = hstart; y < hend; ++y) |
| 146 | { |
| 147 | for(int x = wstart; x < wend; ++x) |
| 148 | { |
| 149 | const T val = src[r * h_src * w_src + y * w_src + x]; |
| 150 | avg_val += val * val; |
| 151 | } |
| 152 | } |
| 153 | dst[r * h_dst * w_dst + h * w_dst + w] = std::sqrt(avg_val / pool); |
| 154 | } |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 155 | } |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | return dst; |
| 161 | } |
| 162 | |
| 163 | template <typename T, typename std::enable_if<std::is_integral<T>::value, int>::type> |
| 164 | SimpleTensor<T> pooling_layer(const SimpleTensor<T> &src, PoolingLayerInfo info) |
| 165 | { |
Georgios Pinitas | adaae7e | 2017-10-30 15:56:32 +0000 | [diff] [blame] | 166 | const int pool_size = info.pool_size(); |
| 167 | PoolingType type = info.pool_type(); |
| 168 | int pool_stride_x = info.pad_stride_info().stride().first; |
| 169 | int pool_stride_y = info.pad_stride_info().stride().second; |
| 170 | int pad_x = info.pad_stride_info().pad().first; |
| 171 | int pad_y = info.pad_stride_info().pad().second; |
| 172 | bool exclude_padding = info.exclude_padding(); |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 173 | |
| 174 | const auto w_src = static_cast<int>(src.shape()[0]); |
| 175 | const auto h_src = static_cast<int>(src.shape()[1]); |
| 176 | const int upper_dims = src.shape().total_size() / (w_src * h_src); |
| 177 | |
| 178 | // Create reference |
| 179 | SimpleTensor<T> dst{ calculate_output_shape(src.shape(), info), src.data_type(), 1, src.fixed_point_position() }; |
| 180 | |
| 181 | const auto w_dst = static_cast<int>(dst.shape()[0]); |
| 182 | const auto h_dst = static_cast<int>(dst.shape()[1]); |
| 183 | |
| 184 | if(type == PoolingType::MAX) |
| 185 | { |
| 186 | for(int r = 0; r < upper_dims; ++r) |
| 187 | { |
| 188 | for(int h = 0; h < h_dst; ++h) |
| 189 | { |
| 190 | for(int w = 0; w < w_dst; ++w) |
| 191 | { |
| 192 | int wstart = w * pool_stride_x - pad_x; |
| 193 | int hstart = h * pool_stride_y - pad_y; |
| 194 | int wend = std::min(wstart + pool_size, w_src); |
| 195 | int hend = std::min(hstart + pool_size, h_src); |
| 196 | wstart = std::max(wstart, 0); |
| 197 | hstart = std::max(hstart, 0); |
| 198 | |
| 199 | T max_val = std::numeric_limits<T>::lowest(); |
| 200 | for(int y = hstart; y < hend; ++y) |
| 201 | { |
| 202 | for(int x = wstart; x < wend; ++x) |
| 203 | { |
| 204 | const T val = src[r * h_src * w_src + y * w_src + x]; |
| 205 | if(val > max_val) |
| 206 | { |
| 207 | max_val = val; |
| 208 | } |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | dst[r * h_dst * w_dst + h * w_dst + w] = max_val; |
| 213 | } |
| 214 | } |
| 215 | } |
| 216 | } |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 217 | else // Average or l2 pooling |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 218 | { |
| 219 | for(int r = 0; r < upper_dims; ++r) |
| 220 | { |
| 221 | for(int h = 0; h < h_dst; ++h) |
| 222 | { |
| 223 | for(int w = 0; w < w_dst; ++w) |
| 224 | { |
| 225 | int wstart = w * pool_stride_x - pad_x; |
| 226 | int hstart = h * pool_stride_y - pad_y; |
| 227 | int wend = std::min(wstart + pool_size, w_src + pad_x); |
| 228 | int hend = std::min(hstart + pool_size, h_src + pad_y); |
| 229 | int pool = (hend - hstart) * (wend - wstart); |
| 230 | wstart = std::max(wstart, 0); |
| 231 | hstart = std::max(hstart, 0); |
| 232 | wend = std::min(wend, w_src); |
| 233 | hend = std::min(hend, h_src); |
Georgios Pinitas | adaae7e | 2017-10-30 15:56:32 +0000 | [diff] [blame] | 234 | // Exclude padding pixels from the average |
| 235 | if(exclude_padding) |
| 236 | { |
| 237 | pool = (hend - hstart) * (wend - wstart); |
| 238 | } |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 239 | |
| 240 | using namespace fixed_point_arithmetic; |
| 241 | |
| 242 | const int fixed_point_position = src.fixed_point_position(); |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 243 | const fixed_point<T> const_1(1, fixed_point_position); |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 244 | const fixed_point<T> invpool_fp(1.f / static_cast<float>(pool), fixed_point_position); |
| 245 | fixed_point<T> avg_val(0, fixed_point_position, true); |
| 246 | |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 247 | if(type == PoolingType::AVG) |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 248 | { |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 249 | for(int y = hstart; y < hend; ++y) |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 250 | { |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 251 | for(int x = wstart; x < wend; ++x) |
| 252 | { |
| 253 | const fixed_point<T> in_fp(src[r * h_src * w_src + y * w_src + x], fixed_point_position, true); |
| 254 | avg_val = add(avg_val, in_fp); |
| 255 | } |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 256 | } |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 257 | dst[r * h_dst * w_dst + h * w_dst + w] = mul(avg_val, invpool_fp).raw(); |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 258 | } |
Georgios Pinitas | cdf5145 | 2017-08-31 14:21:36 +0100 | [diff] [blame] | 259 | else |
| 260 | { |
| 261 | for(int y = hstart; y < hend; ++y) |
| 262 | { |
| 263 | for(int x = wstart; x < wend; ++x) |
| 264 | { |
| 265 | const fixed_point<T> in_fp(src[r * h_src * w_src + y * w_src + x], fixed_point_position, true); |
| 266 | avg_val = add(avg_val, mul(in_fp, in_fp)); |
| 267 | } |
| 268 | } |
| 269 | auto res = div(const_1, (inv_sqrt(mul(avg_val, invpool_fp)))); |
| 270 | dst[r * h_dst * w_dst + h * w_dst + w] = res.raw(); |
| 271 | } |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 272 | } |
| 273 | } |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | return dst; |
| 278 | } |
| 279 | |
| 280 | template SimpleTensor<float> pooling_layer(const SimpleTensor<float> &src, PoolingLayerInfo info); |
Georgios Pinitas | 583137c | 2017-08-31 18:12:42 +0100 | [diff] [blame] | 281 | template SimpleTensor<half> pooling_layer(const SimpleTensor<half> &src, PoolingLayerInfo info); |
Georgios Pinitas | dc460f1 | 2017-08-24 19:02:44 +0100 | [diff] [blame] | 282 | template SimpleTensor<qint8_t> pooling_layer(const SimpleTensor<qint8_t> &src, PoolingLayerInfo info); |
| 283 | template SimpleTensor<qint16_t> pooling_layer(const SimpleTensor<qint16_t> &src, PoolingLayerInfo info); |
| 284 | } // namespace reference |
| 285 | } // namespace validation |
| 286 | } // namespace test |
| 287 | } // namespace arm_compute |