Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +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 "arm_compute/core/NEON/kernels/NEActivationLayerKernel.h" |
| 25 | |
| 26 | #include "arm_compute/core/FixedPoint.h" |
| 27 | #include "arm_compute/core/Helpers.h" |
| 28 | #include "arm_compute/core/ITensor.h" |
| 29 | #include "arm_compute/core/NEON/NEFixedPoint.h" |
| 30 | #include "arm_compute/core/NEON/NEMath.h" |
| 31 | #include "arm_compute/core/TensorInfo.h" |
| 32 | #include "arm_compute/core/Utils.h" |
| 33 | #include "arm_compute/core/Validate.h" |
| 34 | #include "arm_compute/core/Window.h" |
| 35 | |
| 36 | #include <arm_neon.h> |
| 37 | #include <array> |
| 38 | #include <cmath> |
| 39 | #include <map> |
| 40 | |
| 41 | using namespace arm_compute; |
| 42 | |
| 43 | NEActivationLayerKernel::NEActivationLayerKernel() |
Gian Marco Iodice | b30dcc5 | 2017-06-20 09:07:21 +0100 | [diff] [blame] | 44 | : _input(nullptr), _output(nullptr), _func(nullptr), _act_info(ActivationFunction::LOGISTIC) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 45 | { |
| 46 | } |
| 47 | |
Gian Marco Iodice | b30dcc5 | 2017-06-20 09:07:21 +0100 | [diff] [blame] | 48 | void NEActivationLayerKernel::configure(ITensor *input, ITensor *output, ActivationLayerInfo activation_info) |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 49 | { |
Georgios Pinitas | ccc65d4 | 2017-06-27 17:39:11 +0100 | [diff] [blame] | 50 | ARM_COMPUTE_ERROR_ON_DATA_TYPE_CHANNEL_NOT_IN(input, 1, DataType::QS8, DataType::QS16, DataType::F32); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 51 | |
Gian Marco Iodice | b30dcc5 | 2017-06-20 09:07:21 +0100 | [diff] [blame] | 52 | _input = input; |
| 53 | _act_info = activation_info; |
| 54 | _output = input; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 55 | |
Gian Marco Iodice | b30dcc5 | 2017-06-20 09:07:21 +0100 | [diff] [blame] | 56 | if(output != nullptr) |
| 57 | { |
| 58 | // Output auto inizialitation if not yet initialized |
| 59 | auto_init_if_empty(*output->info(), input->info()->tensor_shape(), 1, input->info()->data_type(), input->info()->fixed_point_position()); |
| 60 | |
| 61 | ARM_COMPUTE_ERROR_ON_MISMATCHING_SHAPES(input, output); |
| 62 | ARM_COMPUTE_ERROR_ON_MISMATCHING_DATA_TYPES(input, output); |
| 63 | ARM_COMPUTE_ERROR_ON_MISMATCHING_FIXED_POINT(input, output); |
| 64 | |
| 65 | _output = output; |
| 66 | } |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 67 | |
| 68 | // Activation functions : FP32 |
| 69 | static std::map<ActivationFunction, ActivationFunctionExecutorPtr> act_map_f32 = |
| 70 | { |
| 71 | { ActivationFunction::ABS, &NEActivationLayerKernel::activation<ActivationFunction::ABS, float> }, |
| 72 | { ActivationFunction::LINEAR, &NEActivationLayerKernel::activation<ActivationFunction::LINEAR, float> }, |
| 73 | { ActivationFunction::LOGISTIC, &NEActivationLayerKernel::activation<ActivationFunction::LOGISTIC, float> }, |
| 74 | { ActivationFunction::RELU, &NEActivationLayerKernel::activation<ActivationFunction::RELU, float> }, |
| 75 | { ActivationFunction::BOUNDED_RELU, &NEActivationLayerKernel::activation<ActivationFunction::BOUNDED_RELU, float> }, |
| 76 | { ActivationFunction::SOFT_RELU, &NEActivationLayerKernel::activation<ActivationFunction::SOFT_RELU, float> }, |
| 77 | { ActivationFunction::SQRT, &NEActivationLayerKernel::activation<ActivationFunction::SQRT, float> }, |
| 78 | { ActivationFunction::SQUARE, &NEActivationLayerKernel::activation<ActivationFunction::SQUARE, float> }, |
| 79 | { ActivationFunction::TANH, &NEActivationLayerKernel::activation<ActivationFunction::TANH, float> }, |
| 80 | }; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 81 | // Activation functions : QS8 |
| 82 | static std::map<ActivationFunction, ActivationFunctionExecutorPtr> act_map_qs8 = |
| 83 | { |
| 84 | { ActivationFunction::ABS, &NEActivationLayerKernel::activation<ActivationFunction::ABS, qint8_t> }, |
| 85 | { ActivationFunction::LINEAR, &NEActivationLayerKernel::activation<ActivationFunction::LINEAR, qint8_t> }, |
| 86 | { ActivationFunction::LOGISTIC, &NEActivationLayerKernel::activation<ActivationFunction::LOGISTIC, qint8_t> }, |
| 87 | { ActivationFunction::RELU, &NEActivationLayerKernel::activation<ActivationFunction::RELU, qint8_t> }, |
| 88 | { ActivationFunction::BOUNDED_RELU, &NEActivationLayerKernel::activation<ActivationFunction::BOUNDED_RELU, qint8_t> }, |
| 89 | { ActivationFunction::SOFT_RELU, &NEActivationLayerKernel::activation<ActivationFunction::SOFT_RELU, qint8_t> }, |
| 90 | { ActivationFunction::SQRT, &NEActivationLayerKernel::activation<ActivationFunction::SQRT, qint8_t> }, |
| 91 | { ActivationFunction::SQUARE, &NEActivationLayerKernel::activation<ActivationFunction::SQUARE, qint8_t> }, |
| 92 | { ActivationFunction::TANH, &NEActivationLayerKernel::activation<ActivationFunction::TANH, qint8_t> }, |
| 93 | }; |
Georgios Pinitas | ccc65d4 | 2017-06-27 17:39:11 +0100 | [diff] [blame] | 94 | // Activation functions : QS16 |
| 95 | static std::map<ActivationFunction, ActivationFunctionExecutorPtr> act_map_qs16 = |
| 96 | { |
| 97 | { ActivationFunction::ABS, &NEActivationLayerKernel::activation<ActivationFunction::ABS, qint16_t> }, |
| 98 | { ActivationFunction::LINEAR, &NEActivationLayerKernel::activation<ActivationFunction::LINEAR, qint16_t> }, |
| 99 | { ActivationFunction::LOGISTIC, &NEActivationLayerKernel::activation<ActivationFunction::LOGISTIC, qint16_t> }, |
| 100 | { ActivationFunction::RELU, &NEActivationLayerKernel::activation<ActivationFunction::RELU, qint16_t> }, |
| 101 | { ActivationFunction::BOUNDED_RELU, &NEActivationLayerKernel::activation<ActivationFunction::BOUNDED_RELU, qint16_t> }, |
| 102 | { ActivationFunction::SOFT_RELU, &NEActivationLayerKernel::activation<ActivationFunction::SOFT_RELU, qint16_t> }, |
| 103 | { ActivationFunction::SQRT, &NEActivationLayerKernel::activation<ActivationFunction::SQRT, qint16_t> }, |
| 104 | { ActivationFunction::SQUARE, &NEActivationLayerKernel::activation<ActivationFunction::SQUARE, qint16_t> }, |
| 105 | { ActivationFunction::TANH, &NEActivationLayerKernel::activation<ActivationFunction::TANH, qint16_t> }, |
| 106 | }; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 107 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 108 | switch(input->info()->data_type()) |
| 109 | { |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 110 | case DataType::QS8: |
| 111 | _func = act_map_qs8[activation_info.activation()]; |
| 112 | break; |
Georgios Pinitas | ccc65d4 | 2017-06-27 17:39:11 +0100 | [diff] [blame] | 113 | case DataType::QS16: |
| 114 | _func = act_map_qs16[activation_info.activation()]; |
| 115 | break; |
| 116 | case DataType::F32: |
| 117 | _func = act_map_f32[activation_info.activation()]; |
| 118 | break; |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 119 | default: |
| 120 | ARM_COMPUTE_ERROR("Unsupported data type."); |
| 121 | } |
| 122 | |
| 123 | constexpr unsigned int num_elems_processed_per_iteration = 16; |
| 124 | |
Gian Marco Iodice | b30dcc5 | 2017-06-20 09:07:21 +0100 | [diff] [blame] | 125 | // Configure kernel window |
| 126 | Window win = calculate_max_window(*input->info(), Steps(num_elems_processed_per_iteration)); |
| 127 | |
| 128 | if(output != nullptr) |
| 129 | { |
| 130 | AccessWindowHorizontal output_access(output->info(), 0, num_elems_processed_per_iteration); |
| 131 | |
| 132 | update_window_and_padding(win, |
| 133 | AccessWindowHorizontal(input->info(), 0, num_elems_processed_per_iteration), |
| 134 | output_access); |
| 135 | |
| 136 | output_access.set_valid_region(win, input->info()->valid_region()); |
| 137 | } |
| 138 | else |
| 139 | { |
| 140 | // In-place computation |
| 141 | update_window_and_padding(win, |
| 142 | AccessWindowHorizontal(input->info(), 0, num_elems_processed_per_iteration)); |
| 143 | } |
| 144 | |
| 145 | ICPPKernel::configure(win); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | template <ActivationLayerInfo::ActivationFunction F, typename T> |
| 149 | typename std::enable_if<std::is_same<T, float>::value, void>::type NEActivationLayerKernel::activation(const Window &window) |
| 150 | { |
| 151 | Iterator input(_input, window); |
| 152 | Iterator output(_output, window); |
| 153 | |
| 154 | static const float32x4_t CONST_1 = vdupq_n_f32(1.f); |
| 155 | static const float32x4_t CONST_0 = vdupq_n_f32(0.f); |
| 156 | const float32x4_t a = vdupq_n_f32(_act_info.a()); |
| 157 | const float32x4_t b = vdupq_n_f32(_act_info.b()); |
| 158 | |
| 159 | execute_window_loop(window, [&](const Coordinates & id) |
| 160 | { |
| 161 | const auto input_ptr = reinterpret_cast<const float *>(input.ptr()); |
| 162 | const auto output_ptr = reinterpret_cast<float *>(output.ptr()); |
| 163 | |
| 164 | const float32x4x4_t in = vld4q_f32(input_ptr); |
| 165 | float32x4x4_t tmp = { {} }; |
| 166 | |
| 167 | switch(F) |
| 168 | { |
| 169 | case ActivationFunction::ABS: |
| 170 | tmp = |
| 171 | { |
| 172 | { |
| 173 | vabsq_f32(in.val[0]), |
| 174 | vabsq_f32(in.val[1]), |
| 175 | vabsq_f32(in.val[2]), |
| 176 | vabsq_f32(in.val[3]), |
| 177 | } |
| 178 | }; |
| 179 | break; |
| 180 | case ActivationFunction::BOUNDED_RELU: |
| 181 | tmp = |
| 182 | { |
| 183 | { |
| 184 | vminq_f32(a, vmaxq_f32(CONST_0, in.val[0])), |
| 185 | vminq_f32(a, vmaxq_f32(CONST_0, in.val[1])), |
| 186 | vminq_f32(a, vmaxq_f32(CONST_0, in.val[2])), |
| 187 | vminq_f32(a, vmaxq_f32(CONST_0, in.val[3])), |
| 188 | } |
| 189 | }; |
| 190 | break; |
| 191 | case ActivationFunction::LINEAR: |
| 192 | tmp = |
| 193 | { |
| 194 | { |
| 195 | vmlaq_f32(b, a, in.val[0]), |
| 196 | vmlaq_f32(b, a, in.val[1]), |
| 197 | vmlaq_f32(b, a, in.val[2]), |
| 198 | vmlaq_f32(b, a, in.val[3]), |
| 199 | } |
| 200 | }; |
| 201 | break; |
| 202 | case ActivationFunction::LOGISTIC: |
| 203 | tmp = |
| 204 | { |
| 205 | { |
| 206 | vinvq_f32(vaddq_f32(CONST_1, vexpq_f32(vnegq_f32(in.val[0])))), |
| 207 | vinvq_f32(vaddq_f32(CONST_1, vexpq_f32(vnegq_f32(in.val[1])))), |
| 208 | vinvq_f32(vaddq_f32(CONST_1, vexpq_f32(vnegq_f32(in.val[2])))), |
| 209 | vinvq_f32(vaddq_f32(CONST_1, vexpq_f32(vnegq_f32(in.val[3])))), |
| 210 | } |
| 211 | }; |
| 212 | break; |
| 213 | case ActivationFunction::RELU: |
| 214 | tmp = |
| 215 | { |
| 216 | { |
| 217 | vmaxq_f32(CONST_0, in.val[0]), |
| 218 | vmaxq_f32(CONST_0, in.val[1]), |
| 219 | vmaxq_f32(CONST_0, in.val[2]), |
| 220 | vmaxq_f32(CONST_0, in.val[3]), |
| 221 | } |
| 222 | }; |
| 223 | break; |
| 224 | case ActivationFunction::SOFT_RELU: |
| 225 | tmp = |
| 226 | { |
| 227 | { |
| 228 | vlogq_f32(vaddq_f32(CONST_1, vexpq_f32(in.val[0]))), |
| 229 | vlogq_f32(vaddq_f32(CONST_1, vexpq_f32(in.val[1]))), |
| 230 | vlogq_f32(vaddq_f32(CONST_1, vexpq_f32(in.val[2]))), |
| 231 | vlogq_f32(vaddq_f32(CONST_1, vexpq_f32(in.val[3]))), |
| 232 | } |
| 233 | }; |
| 234 | break; |
| 235 | case ActivationFunction::SQRT: |
| 236 | tmp = |
| 237 | { |
| 238 | { |
| 239 | vinvq_f32(vinvsqrtq_f32(in.val[0])), |
| 240 | vinvq_f32(vinvsqrtq_f32(in.val[1])), |
| 241 | vinvq_f32(vinvsqrtq_f32(in.val[2])), |
| 242 | vinvq_f32(vinvsqrtq_f32(in.val[3])), |
| 243 | } |
| 244 | }; |
| 245 | break; |
| 246 | case ActivationFunction::SQUARE: |
| 247 | tmp = |
| 248 | { |
| 249 | { |
| 250 | vmulq_f32(in.val[0], in.val[0]), |
| 251 | vmulq_f32(in.val[1], in.val[1]), |
| 252 | vmulq_f32(in.val[2], in.val[2]), |
| 253 | vmulq_f32(in.val[3], in.val[3]), |
| 254 | } |
| 255 | }; |
| 256 | break; |
| 257 | case ActivationFunction::TANH: |
| 258 | tmp = |
| 259 | { |
| 260 | { |
| 261 | vmulq_f32(a, vtanhq_f32(vmulq_f32(b, in.val[0]))), |
| 262 | vmulq_f32(a, vtanhq_f32(vmulq_f32(b, in.val[1]))), |
| 263 | vmulq_f32(a, vtanhq_f32(vmulq_f32(b, in.val[2]))), |
| 264 | vmulq_f32(a, vtanhq_f32(vmulq_f32(b, in.val[3]))), |
| 265 | } |
| 266 | }; |
| 267 | break; |
| 268 | default: |
| 269 | break; |
| 270 | } |
| 271 | |
| 272 | vst4q_f32(output_ptr, tmp); |
| 273 | }, |
| 274 | input, output); |
| 275 | } |
| 276 | |
| 277 | template <ActivationLayerInfo::ActivationFunction F, typename T> |
| 278 | typename std::enable_if<std::is_same<T, int8_t>::value, void>::type NEActivationLayerKernel::activation(const Window &window) |
| 279 | { |
Georgios Pinitas | ccc65d4 | 2017-06-27 17:39:11 +0100 | [diff] [blame] | 280 | Iterator input(_input, window); |
| 281 | Iterator output(_output, window); |
| 282 | const int fixed_point_position = _input->info()->fixed_point_position(); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 283 | |
| 284 | static const qint8x16_t CONST_0 = vdupq_n_qs8(0); |
Georgios Pinitas | 21efeb4 | 2017-07-04 12:47:17 +0100 | [diff] [blame] | 285 | const qint8x16_t CONST_1 = vdupq_n_qs8(sqcvt_qs8_f32(1.f, fixed_point_position)); |
| 286 | const qint8x16_t a = vdupq_n_qs8(sqcvt_qs8_f32(_act_info.a(), fixed_point_position)); |
| 287 | const qint8x16_t b = vdupq_n_qs8(sqcvt_qs8_f32(_act_info.b(), fixed_point_position)); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 288 | |
| 289 | execute_window_loop(window, [&](const Coordinates & id) |
| 290 | { |
| 291 | const auto input_ptr = reinterpret_cast<const int8_t *>(input.ptr()); |
| 292 | const auto output_ptr = reinterpret_cast<int8_t *>(output.ptr()); |
| 293 | |
| 294 | const qint8x16_t in = vld1q_qs8(input_ptr); |
| 295 | qint8x16_t tmp = {}; |
| 296 | |
| 297 | switch(F) |
| 298 | { |
| 299 | case ActivationFunction::ABS: |
| 300 | tmp = vqabsq_qs8(in); |
| 301 | break; |
| 302 | case ActivationFunction::BOUNDED_RELU: |
| 303 | tmp = vminq_qs8(a, vmaxq_qs8(CONST_0, in)); |
| 304 | break; |
| 305 | case ActivationFunction::LINEAR: |
| 306 | tmp = vqmlaq_qs8(b, a, in, fixed_point_position); |
| 307 | break; |
| 308 | case ActivationFunction::LOGISTIC: |
Georgios Pinitas | ccc65d4 | 2017-06-27 17:39:11 +0100 | [diff] [blame] | 309 | tmp = vqrecipq_qs8(vqaddq_qs8(CONST_1, vqexpq_qs8(vnegq_s8(in), fixed_point_position)), fixed_point_position); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 310 | break; |
| 311 | case ActivationFunction::RELU: |
| 312 | tmp = vmaxq_qs8(CONST_0, in); |
| 313 | break; |
| 314 | case ActivationFunction::SOFT_RELU: |
| 315 | tmp = vlogq_qs8(vqaddq_qs8(CONST_1, vqexpq_qs8(in, fixed_point_position)), fixed_point_position); |
| 316 | break; |
| 317 | case ActivationFunction::SQRT: |
Georgios Pinitas | ccc65d4 | 2017-06-27 17:39:11 +0100 | [diff] [blame] | 318 | tmp = vqrecipq_qs8(vqinvsqrtq_qs8(in, fixed_point_position), fixed_point_position); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 319 | break; |
| 320 | case ActivationFunction::SQUARE: |
| 321 | tmp = vqmulq_qs8(in, in, fixed_point_position); |
| 322 | break; |
| 323 | case ActivationFunction::TANH: |
Georgios Pinitas | ccc65d4 | 2017-06-27 17:39:11 +0100 | [diff] [blame] | 324 | tmp = vqmulq_qs8(a, vqtanhq_qs8(vqmulq_qs8(b, in, fixed_point_position), fixed_point_position), fixed_point_position); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 325 | break; |
| 326 | default: |
| 327 | break; |
| 328 | } |
| 329 | |
| 330 | vst1q_qs8(output_ptr, tmp); |
| 331 | }, |
| 332 | input, output); |
| 333 | } |
| 334 | |
Georgios Pinitas | ccc65d4 | 2017-06-27 17:39:11 +0100 | [diff] [blame] | 335 | template <ActivationLayerInfo::ActivationFunction F, typename T> |
| 336 | typename std::enable_if<std::is_same<T, int16_t>::value, void>::type NEActivationLayerKernel::activation(const Window &window) |
| 337 | { |
| 338 | Iterator input(_input, window); |
| 339 | Iterator output(_output, window); |
| 340 | const int fixed_point_position = _input->info()->fixed_point_position(); |
| 341 | |
| 342 | static const qint16x8_t CONST_0 = vdupq_n_qs16(0); |
| 343 | const qint16x8_t CONST_1 = vdupq_n_qs16(sqcvt_qs16_f32(1.f, fixed_point_position)); |
| 344 | const qint16x8_t a = vdupq_n_qs16(sqcvt_qs16_f32(_act_info.a(), fixed_point_position)); |
| 345 | const qint16x8_t b = vdupq_n_qs16(sqcvt_qs16_f32(_act_info.b(), fixed_point_position)); |
| 346 | |
| 347 | execute_window_loop(window, [&](const Coordinates & id) |
| 348 | { |
| 349 | const auto input_ptr = reinterpret_cast<const int16_t *>(input.ptr()); |
| 350 | const auto output_ptr = reinterpret_cast<int16_t *>(output.ptr()); |
| 351 | |
| 352 | const qint16x8x2_t in = vld2q_s16(input_ptr); |
| 353 | qint16x8x2_t tmp = { {} }; |
| 354 | |
| 355 | switch(F) |
| 356 | { |
| 357 | case ActivationFunction::ABS: |
| 358 | tmp = |
| 359 | { |
| 360 | { |
| 361 | vqabsq_qs16(in.val[0]), |
| 362 | vqabsq_qs16(in.val[1]), |
| 363 | } |
| 364 | }; |
| 365 | break; |
| 366 | case ActivationFunction::BOUNDED_RELU: |
| 367 | tmp = |
| 368 | { |
| 369 | { |
| 370 | vminq_qs16(a, vmaxq_qs16(CONST_0, in.val[0])), |
| 371 | vminq_qs16(a, vmaxq_qs16(CONST_0, in.val[1])), |
| 372 | } |
| 373 | }; |
| 374 | break; |
| 375 | case ActivationFunction::LINEAR: |
| 376 | tmp = |
| 377 | { |
| 378 | { |
| 379 | vqmlaq_qs16(b, a, in.val[0], fixed_point_position), |
| 380 | vqmlaq_qs16(b, a, in.val[1], fixed_point_position), |
| 381 | } |
| 382 | }; |
| 383 | break; |
| 384 | case ActivationFunction::LOGISTIC: |
| 385 | tmp = |
| 386 | { |
| 387 | { |
| 388 | vqrecipq_qs16(vqaddq_qs16(CONST_1, vqexpq_qs16(vnegq_s16(in.val[0]), fixed_point_position)), fixed_point_position), |
| 389 | vqrecipq_qs16(vqaddq_qs16(CONST_1, vqexpq_qs16(vnegq_s16(in.val[1]), fixed_point_position)), fixed_point_position), |
| 390 | } |
| 391 | }; |
| 392 | break; |
| 393 | case ActivationFunction::RELU: |
| 394 | tmp = |
| 395 | { |
| 396 | { |
| 397 | vmaxq_qs16(CONST_0, in.val[0]), |
| 398 | vmaxq_qs16(CONST_0, in.val[1]), |
| 399 | } |
| 400 | }; |
| 401 | break; |
| 402 | case ActivationFunction::SOFT_RELU: |
| 403 | tmp = |
| 404 | { |
| 405 | { |
| 406 | vlogq_qs16(vqaddq_qs16(CONST_1, vqexpq_qs16(in.val[0], fixed_point_position)), fixed_point_position), |
| 407 | vlogq_qs16(vqaddq_qs16(CONST_1, vqexpq_qs16(in.val[1], fixed_point_position)), fixed_point_position), |
| 408 | } |
| 409 | }; |
| 410 | break; |
| 411 | case ActivationFunction::SQRT: |
| 412 | tmp = |
| 413 | { |
| 414 | { |
| 415 | vqrecipq_qs16(vqinvsqrtq_qs16(in.val[0], fixed_point_position), fixed_point_position), |
| 416 | vqrecipq_qs16(vqinvsqrtq_qs16(in.val[1], fixed_point_position), fixed_point_position), |
| 417 | } |
| 418 | }; |
| 419 | break; |
| 420 | case ActivationFunction::SQUARE: |
| 421 | tmp = |
| 422 | { |
| 423 | { |
| 424 | vqmulq_qs16(in.val[0], in.val[0], fixed_point_position), |
| 425 | vqmulq_qs16(in.val[1], in.val[1], fixed_point_position), |
| 426 | } |
| 427 | }; |
| 428 | break; |
| 429 | case ActivationFunction::TANH: |
| 430 | tmp = |
| 431 | { |
| 432 | { |
| 433 | vqmulq_qs16(a, vqtanhq_qs16(vqmulq_qs16(b, in.val[0], fixed_point_position), fixed_point_position), fixed_point_position), |
| 434 | vqmulq_qs16(a, vqtanhq_qs16(vqmulq_qs16(b, in.val[1], fixed_point_position), fixed_point_position), fixed_point_position), |
| 435 | } |
| 436 | }; |
| 437 | break; |
| 438 | default: |
| 439 | break; |
| 440 | } |
| 441 | |
| 442 | vst2q_qs16(output_ptr, tmp); |
| 443 | }, |
| 444 | input, output); |
| 445 | } |
| 446 | |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 447 | void NEActivationLayerKernel::run(const Window &window) |
| 448 | { |
| 449 | ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this); |
Gian Marco Iodice | b30dcc5 | 2017-06-20 09:07:21 +0100 | [diff] [blame] | 450 | ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(IKernel::window(), window); |
Anthony Barbier | 6ff3b19 | 2017-09-04 18:44:23 +0100 | [diff] [blame] | 451 | ARM_COMPUTE_ERROR_ON(_func == nullptr); |
| 452 | |
| 453 | (this->*_func)(window); |
| 454 | } |