XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1 | // Copyright (c) Facebook, Inc. and its affiliates. |
| 2 | // All rights reserved. |
| 3 | // |
| 4 | // Copyright 2019 Google LLC |
| 5 | // |
| 6 | // This source code is licensed under the BSD-style license found in the |
| 7 | // LICENSE file in the root directory of this source tree. |
| 8 | |
| 9 | #pragma once |
| 10 | |
| 11 | #if defined(__cplusplus) && (__cplusplus >= 201103L) |
| 12 | #include <cstdint> |
| 13 | #include <cstddef> |
| 14 | #include <cassert> |
| 15 | #include <cmath> |
| 16 | #else |
| 17 | #include <stdint.h> |
| 18 | #include <stddef.h> |
| 19 | #include <assert.h> |
| 20 | #include <math.h> |
| 21 | #endif |
| 22 | |
| 23 | #include <fp16.h> |
| 24 | |
| 25 | #include <xnnpack/params.h> |
| 26 | #include <xnnpack/scalar-utils.h> |
| 27 | |
| 28 | |
| 29 | static inline union xnn_q8_gemm_params xnn_compute_scalar_q8_gemm_params( |
| 30 | uint8_t input_zero_point, |
| 31 | uint8_t kernel_zero_point, |
| 32 | float scale, |
| 33 | uint8_t output_zero_point, |
| 34 | uint8_t output_min, |
| 35 | uint8_t output_max) |
| 36 | { |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 37 | // Compute requantization parameters |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 38 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 39 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 40 | // Multiplier is in [0x40000000, 0x7FFFFF80] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 41 | const int32_t multiplier = (int32_t)(((scale_bits & UINT32_C(0x007FFFFF)) | UINT32_C(0x00800000)) << 7); |
| 42 | assert(multiplier >= INT32_C(0x40000000)); |
| 43 | assert(multiplier <= INT32_C(0x7FFFFF80)); |
| 44 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 45 | // Shift is in [0, 31] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 46 | const int32_t shift = 127 + 31 - 32 - (fp32_to_bits(scale) >> 23); |
| 47 | assert(shift >= 0); |
| 48 | assert(shift < 32); |
| 49 | |
| 50 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 51 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 52 | |
| 53 | union xnn_q8_gemm_params params; |
| 54 | params.scalar.input_zero_point = (int32_t) (uint32_t) input_zero_point; |
| 55 | params.scalar.kernel_zero_point = (int32_t) (uint32_t) kernel_zero_point; |
| 56 | params.scalar.multiplier = multiplier; |
| 57 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 58 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 59 | params.scalar.shift = (uint32_t) shift; |
| 60 | params.scalar.output_min_less_zero_point = |
| 61 | (int32_t) (uint32_t) output_min - (int32_t) (uint32_t) output_zero_point; |
| 62 | params.scalar.output_max_less_zero_point = |
| 63 | (int32_t) (uint32_t) output_max - (int32_t) (uint32_t) output_zero_point; |
| 64 | params.scalar.output_zero_point = (int32_t) (uint32_t) output_zero_point; |
| 65 | return params; |
| 66 | } |
| 67 | |
| 68 | static inline union xnn_q8_gemm_params xnn_compute_q8_gemm_params( |
| 69 | uint8_t input_zero_point, |
| 70 | uint8_t kernel_zero_point, |
| 71 | float scale, |
| 72 | uint8_t output_zero_point, |
| 73 | uint8_t output_min, |
| 74 | uint8_t output_max) |
| 75 | { |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 76 | // Compute requantization parameters. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 77 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 78 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 79 | // Multiplier is in [0x40000000, 0x7FFFFF80] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 80 | const int32_t multiplier = (int32_t)(((scale_bits & UINT32_C(0x007FFFFF)) | UINT32_C(0x00800000)) << 7); |
| 81 | assert(multiplier >= INT32_C(0x40000000)); |
| 82 | assert(multiplier <= INT32_C(0x7FFFFF80)); |
| 83 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 84 | // Shift is in [0, 31] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 85 | const int32_t shift = 127 + 31 - 32 - (fp32_to_bits(scale) >> 23); |
| 86 | assert(shift >= 0); |
| 87 | assert(shift < 32); |
| 88 | |
| 89 | union xnn_q8_gemm_params params; |
| 90 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 91 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 92 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 93 | for (uint32_t i = 0; i < 8; i++) { |
| 94 | params.sse2.input_zero_point[i] = (int16_t) (uint16_t) input_zero_point; |
| 95 | params.sse2.kernel_zero_point[i] = (int16_t) (uint16_t) kernel_zero_point; |
| 96 | } |
| 97 | params.sse2.multiplier[0] = multiplier; |
| 98 | params.sse2.multiplier[1] = multiplier; |
| 99 | params.sse2.multiplier[2] = multiplier; |
| 100 | params.sse2.multiplier[3] = multiplier; |
| 101 | params.sse2.rounding[0] = UINT64_C(0x40000000); |
| 102 | params.sse2.rounding[1] = UINT64_C(0x40000000); |
| 103 | params.sse2.remainder_mask[0] = (int32_t) remainder_mask; |
| 104 | params.sse2.remainder_mask[1] = (int32_t) remainder_mask; |
| 105 | params.sse2.remainder_mask[2] = (int32_t) remainder_mask; |
| 106 | params.sse2.remainder_mask[3] = (int32_t) remainder_mask; |
| 107 | params.sse2.remainder_threshold[0] = (int32_t) remainder_threshold; |
| 108 | params.sse2.remainder_threshold[1] = (int32_t) remainder_threshold; |
| 109 | params.sse2.remainder_threshold[2] = (int32_t) remainder_threshold; |
| 110 | params.sse2.remainder_threshold[3] = (int32_t) remainder_threshold; |
| 111 | params.sse2.shift[0] = (uint64_t) (uint32_t) shift; |
| 112 | params.sse2.shift[1] = (uint64_t) (uint32_t) shift; |
| 113 | for (uint32_t i = 0; i < 8; i++) { |
| 114 | params.sse2.output_zero_point[i] = (int16_t) (uint16_t) output_zero_point; |
| 115 | } |
| 116 | for (uint32_t i = 0; i < 16; i++) { |
| 117 | params.sse2.output_max[i] = output_max; |
| 118 | params.sse2.output_min[i] = output_min; |
| 119 | } |
| 120 | #elif CPUINFO_ARCH_ARM || CPUINFO_ARCH_ARM64 |
| 121 | params.neon.input_zero_point = (int16_t) (uint16_t) input_zero_point; |
| 122 | params.neon.kernel_zero_point = (int16_t) (uint16_t) kernel_zero_point; |
| 123 | params.neon.multiplier = multiplier; |
| 124 | params.neon.right_shift = -shift; |
| 125 | params.neon.output_zero_point = (int16_t) (uint16_t) output_zero_point; |
| 126 | params.neon.output_max = output_max; |
| 127 | params.neon.output_min = output_min; |
| 128 | #else |
| 129 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 130 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 131 | params.scalar.input_zero_point = (int32_t) (uint32_t) input_zero_point; |
| 132 | params.scalar.kernel_zero_point = (int32_t) (uint32_t) kernel_zero_point; |
| 133 | params.scalar.multiplier = multiplier; |
| 134 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 135 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 136 | params.scalar.shift = (uint32_t) shift; |
| 137 | params.scalar.output_min_less_zero_point = |
| 138 | (int32_t) (uint32_t) output_min - (int32_t) (uint32_t) output_zero_point; |
| 139 | params.scalar.output_max_less_zero_point = |
| 140 | (int32_t) (uint32_t) output_max - (int32_t) (uint32_t) output_zero_point; |
| 141 | params.scalar.output_zero_point = (int32_t) (uint32_t) output_zero_point; |
| 142 | #endif |
| 143 | return params; |
| 144 | } |
| 145 | |
| 146 | static inline union xnn_q8_avgpool_params xnn_compute_q8_avgpool_params( |
| 147 | int32_t bias, |
| 148 | float scale, |
| 149 | uint8_t output_zero_point, |
| 150 | uint8_t output_min, |
| 151 | uint8_t output_max) |
| 152 | { |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 153 | // Compute requantization parameters. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 154 | assert(scale >= 0x1.0p-32f); |
| 155 | assert(scale < 256.0f); |
| 156 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 157 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 158 | // Multiplier is in [0x00800000, 0x00FFFFFF] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 159 | const int32_t multiplier = ((int32_t) scale_bits & INT32_C(0x007FFFFF)) | INT32_C(0x00800000); |
| 160 | assert(multiplier >= INT32_C(0x00800000)); |
| 161 | assert(multiplier <= INT32_C(0x00FFFFFF)); |
| 162 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 163 | // Shift is in [16, 55] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 164 | const int32_t shift = 127 + 23 - (scale_bits >> 23); |
| 165 | assert(shift >= 16); |
| 166 | assert(shift < 64); |
| 167 | |
| 168 | union xnn_q8_avgpool_params params; |
| 169 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 170 | const uint32_t right_shift = (uint32_t) shift; |
| 171 | const uint64_t rounding = UINT64_C(1) << (right_shift - 1); |
| 172 | params.sse2.bias[0] = bias; |
| 173 | params.sse2.bias[1] = bias; |
| 174 | params.sse2.bias[2] = bias; |
| 175 | params.sse2.bias[3] = bias; |
| 176 | params.sse2.multiplier[0] = (uint32_t) multiplier; |
| 177 | params.sse2.multiplier[1] = (uint32_t) multiplier; |
| 178 | params.sse2.multiplier[2] = (uint32_t) multiplier; |
| 179 | params.sse2.multiplier[3] = (uint32_t) multiplier; |
| 180 | params.sse2.rounding[0] = rounding; |
| 181 | params.sse2.rounding[1] = rounding; |
| 182 | params.sse2.right_shift[0] = (uint64_t) right_shift; |
| 183 | params.sse2.right_shift[1] = (uint64_t) right_shift; |
| 184 | for (uint32_t i = 0; i < 8; i++) { |
| 185 | params.sse2.output_zero_point[i] = (int16_t) (uint16_t) output_zero_point; |
| 186 | } |
| 187 | for (uint32_t i = 0; i < 16; i++) { |
| 188 | params.sse2.output_max[i] = output_max; |
| 189 | params.sse2.output_min[i] = output_min; |
| 190 | } |
| 191 | #elif CPUINFO_ARCH_ARM || CPUINFO_ARCH_ARM64 |
| 192 | params.neon.bias = bias; |
| 193 | params.neon.multiplier = multiplier; |
| 194 | params.neon.left_shift = (int64_t) -shift; |
| 195 | params.neon.output_zero_point = (int16_t) (uint16_t) output_zero_point; |
| 196 | params.neon.output_max = output_max; |
| 197 | params.neon.output_min = output_min; |
| 198 | #else |
| 199 | const uint32_t right_shift = (uint32_t) shift; |
| 200 | const int64_t rounding = INT64_C(1) << (right_shift - 1); |
| 201 | params.scalar.bias = bias; |
| 202 | params.scalar.multiplier = multiplier; |
| 203 | params.scalar.rounding = rounding; |
| 204 | params.scalar.right_shift = right_shift; |
| 205 | params.scalar.output_min_less_zero_point = |
| 206 | (int32_t) (uint32_t) output_min - (int32_t) (uint32_t) output_zero_point; |
| 207 | params.scalar.output_max_less_zero_point = |
| 208 | (int32_t) (uint32_t) output_max - (int32_t) (uint32_t) output_zero_point; |
| 209 | params.scalar.output_zero_point = (int32_t) (uint32_t) output_zero_point; |
| 210 | #endif |
| 211 | return params; |
| 212 | } |
| 213 | |
| 214 | static inline union xnn_q8_avgpool_params xnn_compute_scalar_q8_avgpool_params( |
| 215 | int32_t bias, |
| 216 | float scale, |
| 217 | uint8_t output_zero_point, |
| 218 | uint8_t output_min, |
| 219 | uint8_t output_max) |
| 220 | { |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 221 | // Compute requantization parameters. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 222 | assert(scale >= 0x1.0p-32f); |
| 223 | assert(scale < 256.0f); |
| 224 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 225 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 226 | // Multiplier is in [0x00800000, 0x00FFFFFF] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 227 | const int32_t multiplier = ((int32_t) scale_bits & INT32_C(0x007FFFFF)) | INT32_C(0x00800000); |
| 228 | assert(multiplier >= INT32_C(0x00800000)); |
| 229 | assert(multiplier <= INT32_C(0x00FFFFFF)); |
| 230 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 231 | // Shift is in [16, 55] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 232 | const int32_t shift = 127 + 23 - (scale_bits >> 23); |
| 233 | assert(shift >= 16); |
| 234 | assert(shift < 64); |
| 235 | |
| 236 | union xnn_q8_avgpool_params params; |
| 237 | const uint32_t right_shift = (uint32_t) shift; |
| 238 | const int64_t rounding = INT64_C(1) << (right_shift - 1); |
| 239 | params.scalar.bias = bias; |
| 240 | params.scalar.rounding = rounding; |
| 241 | params.scalar.multiplier = multiplier; |
| 242 | params.scalar.right_shift = right_shift; |
| 243 | params.scalar.output_min_less_zero_point = |
| 244 | (int32_t) (uint32_t) output_min - (int32_t) (uint32_t) output_zero_point; |
| 245 | params.scalar.output_max_less_zero_point = |
| 246 | (int32_t) (uint32_t) output_max - (int32_t) (uint32_t) output_zero_point; |
| 247 | params.scalar.output_zero_point = (int32_t) (uint32_t) output_zero_point; |
| 248 | return params; |
| 249 | } |
| 250 | |
| 251 | static inline void xnn_update_f32_avgpool_params( |
| 252 | union xnn_f32_avgpool_params* params, |
| 253 | float multiplier) |
| 254 | { |
| 255 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 256 | for (uint32_t i = 0; i < 4; i++) { |
| 257 | params->sse2.multiplier[i] = multiplier; |
| 258 | } |
| 259 | #else |
| 260 | params->scalar.multiplier = multiplier; |
| 261 | #endif |
| 262 | } |
| 263 | |
| 264 | static inline union xnn_f32_avgpool_params xnn_compute_f32_avgpool_params( |
| 265 | float multiplier, |
| 266 | float output_min, |
| 267 | float output_max) |
| 268 | { |
| 269 | union xnn_f32_avgpool_params params; |
| 270 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 271 | for (uint32_t i = 0; i < 4; i++) { |
| 272 | params.sse2.multiplier[i] = multiplier; |
| 273 | params.sse2.output_min[i] = output_min; |
| 274 | params.sse2.output_max[i] = output_max; |
| 275 | } |
| 276 | #else |
| 277 | params.scalar.multiplier = multiplier; |
| 278 | params.scalar.output_min = output_min; |
| 279 | params.scalar.output_max = output_max; |
| 280 | #endif |
| 281 | return params; |
| 282 | } |
| 283 | |
| 284 | static inline union xnn_f32_gavgpool_params xnn_compute_f32_gavgpool_params( |
| 285 | float multiplier, |
| 286 | float output_min, |
| 287 | float output_max, |
| 288 | uint32_t width) |
| 289 | { |
| 290 | union xnn_f32_gavgpool_params params; |
| 291 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 292 | for (uint32_t i = 0; i < 4; i++) { |
| 293 | params.sse.multiplier[i] = multiplier; |
| 294 | params.sse.output_min[i] = output_min; |
| 295 | params.sse.output_max[i] = output_max; |
| 296 | } |
| 297 | switch (width % 4) { |
| 298 | case 0: |
| 299 | params.sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 300 | params.sse.mask[1] = UINT32_C(0xFFFFFFFF); |
| 301 | params.sse.mask[2] = UINT32_C(0xFFFFFFFF); |
| 302 | params.sse.mask[3] = UINT32_C(0xFFFFFFFF); |
| 303 | break; |
| 304 | case 1: |
| 305 | params.sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 306 | params.sse.mask[1] = 0; |
| 307 | params.sse.mask[2] = 0; |
| 308 | params.sse.mask[3] = 0; |
| 309 | break; |
| 310 | case 2: |
| 311 | params.sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 312 | params.sse.mask[1] = UINT32_C(0xFFFFFFFF); |
| 313 | params.sse.mask[2] = 0; |
| 314 | params.sse.mask[3] = 0; |
| 315 | break; |
| 316 | case 3: |
| 317 | params.sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 318 | params.sse.mask[1] = UINT32_C(0xFFFFFFFF); |
| 319 | params.sse.mask[2] = UINT32_C(0xFFFFFFFF); |
| 320 | params.sse.mask[3] = 0; |
| 321 | break; |
| 322 | } |
| 323 | #elif CPUINFO_ARCH_ARM || CPUINFO_ARCH_ARM64 |
| 324 | switch (width % 4) { |
| 325 | case 0: |
| 326 | params.neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 327 | params.neon.mask[1] = UINT32_C(0xFFFFFFFF); |
| 328 | params.neon.mask[2] = UINT32_C(0xFFFFFFFF); |
| 329 | params.neon.mask[3] = UINT32_C(0xFFFFFFFF); |
| 330 | break; |
| 331 | case 1: |
| 332 | params.neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 333 | params.neon.mask[1] = 0; |
| 334 | params.neon.mask[2] = 0; |
| 335 | params.neon.mask[3] = 0; |
| 336 | break; |
| 337 | case 2: |
| 338 | params.neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 339 | params.neon.mask[1] = UINT32_C(0xFFFFFFFF); |
| 340 | params.neon.mask[2] = 0; |
| 341 | params.neon.mask[3] = 0; |
| 342 | break; |
| 343 | case 3: |
| 344 | params.neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 345 | params.neon.mask[1] = UINT32_C(0xFFFFFFFF); |
| 346 | params.neon.mask[2] = UINT32_C(0xFFFFFFFF); |
| 347 | params.neon.mask[3] = 0; |
| 348 | break; |
| 349 | } |
| 350 | params.neon.multiplier = multiplier; |
| 351 | params.neon.output_min = output_min; |
| 352 | params.neon.output_max = output_max; |
| 353 | #else |
| 354 | params.scalar.multiplier = multiplier; |
| 355 | params.scalar.output_min = output_min; |
| 356 | params.scalar.output_max = output_max; |
| 357 | #endif |
| 358 | return params; |
| 359 | } |
| 360 | |
| 361 | static inline void xnn_update_f32_gavgpool_params( |
| 362 | union xnn_f32_gavgpool_params* params, |
| 363 | float multiplier, |
| 364 | uint32_t width) |
| 365 | { |
| 366 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 367 | for (uint32_t i = 0; i < 4; i++) { |
| 368 | params->sse.multiplier[i] = multiplier; |
| 369 | } |
| 370 | switch (width % 4) { |
| 371 | case 0: |
| 372 | params->sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 373 | params->sse.mask[1] = UINT32_C(0xFFFFFFFF); |
| 374 | params->sse.mask[2] = UINT32_C(0xFFFFFFFF); |
| 375 | params->sse.mask[3] = UINT32_C(0xFFFFFFFF); |
| 376 | break; |
| 377 | case 1: |
| 378 | params->sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 379 | params->sse.mask[1] = 0; |
| 380 | params->sse.mask[2] = 0; |
| 381 | params->sse.mask[3] = 0; |
| 382 | break; |
| 383 | case 2: |
| 384 | params->sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 385 | params->sse.mask[1] = UINT32_C(0xFFFFFFFF); |
| 386 | params->sse.mask[2] = 0; |
| 387 | params->sse.mask[3] = 0; |
| 388 | break; |
| 389 | case 3: |
| 390 | params->sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 391 | params->sse.mask[1] = UINT32_C(0xFFFFFFFF); |
| 392 | params->sse.mask[2] = UINT32_C(0xFFFFFFFF); |
| 393 | params->sse.mask[3] = 0; |
| 394 | break; |
| 395 | } |
| 396 | #elif CPUINFO_ARCH_ARM || CPUINFO_ARCH_ARM64 |
| 397 | params->neon.multiplier = multiplier; |
| 398 | switch (width % 4) { |
| 399 | case 0: |
| 400 | params->neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 401 | params->neon.mask[1] = UINT32_C(0xFFFFFFFF); |
| 402 | params->neon.mask[2] = UINT32_C(0xFFFFFFFF); |
| 403 | params->neon.mask[3] = UINT32_C(0xFFFFFFFF); |
| 404 | break; |
| 405 | case 1: |
| 406 | params->neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 407 | params->neon.mask[1] = 0; |
| 408 | params->neon.mask[2] = 0; |
| 409 | params->neon.mask[3] = 0; |
| 410 | break; |
| 411 | case 2: |
| 412 | params->neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 413 | params->neon.mask[1] = UINT32_C(0xFFFFFFFF); |
| 414 | params->neon.mask[2] = 0; |
| 415 | params->neon.mask[3] = 0; |
| 416 | break; |
| 417 | case 3: |
| 418 | params->neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 419 | params->neon.mask[1] = UINT32_C(0xFFFFFFFF); |
| 420 | params->neon.mask[2] = UINT32_C(0xFFFFFFFF); |
| 421 | params->neon.mask[3] = 0; |
| 422 | break; |
| 423 | } |
| 424 | #endif |
| 425 | } |
| 426 | |
| 427 | static inline union xnn_f32_avgpool_params xnn_compute_scalar_f32_avgpool_params( |
| 428 | float multiplier, |
| 429 | float output_min, |
| 430 | float output_max) |
| 431 | { |
| 432 | union xnn_f32_avgpool_params params; |
| 433 | params.scalar.multiplier = multiplier; |
| 434 | params.scalar.output_min = output_min; |
| 435 | params.scalar.output_max = output_max; |
| 436 | return params; |
| 437 | } |
| 438 | |
| 439 | static inline union xnn_f32_gavgpool_params xnn_compute_scalar_f32_gavgpool_params( |
| 440 | float multiplier, |
| 441 | float output_min, |
| 442 | float output_max, |
| 443 | uint32_t width) |
| 444 | { |
| 445 | union xnn_f32_gavgpool_params params; |
| 446 | params.scalar.multiplier = multiplier; |
| 447 | params.scalar.output_min = output_min; |
| 448 | params.scalar.output_max = output_max; |
| 449 | return params; |
| 450 | } |
| 451 | |
| 452 | static inline union xnn_f32_output_params xnn_compute_f32_output_params( |
| 453 | float output_min, |
| 454 | float output_max) |
| 455 | { |
| 456 | union xnn_f32_output_params params; |
| 457 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 458 | for (uint32_t i = 0; i < 4; i++) { |
| 459 | params.sse.min[i] = output_min; |
| 460 | params.sse.max[i] = output_max; |
| 461 | } |
| 462 | #else |
| 463 | params.scalar.min = output_min; |
| 464 | params.scalar.max = output_max; |
| 465 | #endif |
| 466 | return params; |
| 467 | } |
| 468 | |
| 469 | static inline union xnn_f32_output_params xnn_compute_scalar_f32_output_params( |
| 470 | float output_min, |
| 471 | float output_max) |
| 472 | { |
| 473 | union xnn_f32_output_params params; |
| 474 | params.scalar.min = output_min; |
| 475 | params.scalar.max = output_max; |
| 476 | return params; |
| 477 | } |
| 478 | |
| 479 | static inline union xnn_f32_hswish_params xnn_compute_f32_hswish_params(void) |
| 480 | { |
| 481 | union xnn_f32_hswish_params params; |
| 482 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 483 | for (uint32_t i = 0; i < 4; i++) { |
| 484 | params.sse.sixth[i] = 0x1.555556p-3f; |
| 485 | params.sse.half[i] = 0.5f; |
| 486 | params.sse.one[i] = 1.0f; |
| 487 | } |
| 488 | #else |
| 489 | params.scalar.sixth = 0x1.555556p-3f; |
| 490 | params.scalar.half = 0.5f; |
| 491 | params.scalar.one = 1.0f; |
| 492 | #endif |
| 493 | return params; |
| 494 | } |
| 495 | |
| 496 | static inline union xnn_f32_hswish_params xnn_compute_scalar_f32_hswish_params(void) |
| 497 | { |
| 498 | union xnn_f32_hswish_params params; |
| 499 | params.scalar.sixth = 0x1.555556p-3f; |
| 500 | params.scalar.half = 0.5f; |
| 501 | params.scalar.one = 1.0f; |
| 502 | return params; |
| 503 | } |
| 504 | |
| 505 | static inline union xnn_f32_spchw_params xnn_compute_f32_spchw_params( |
| 506 | uint32_t width, |
| 507 | float output_min, |
| 508 | float output_max) |
| 509 | { |
| 510 | union xnn_f32_spchw_params params; |
| 511 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 512 | switch (width % 4) { |
| 513 | case 0: |
| 514 | params.sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 515 | params.sse.mask[1] = UINT32_C(0xFFFFFFFF); |
| 516 | params.sse.mask[2] = UINT32_C(0xFFFFFFFF); |
| 517 | params.sse.mask[3] = UINT32_C(0xFFFFFFFF); |
| 518 | break; |
| 519 | case 1: |
| 520 | params.sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 521 | params.sse.mask[1] = 0; |
| 522 | params.sse.mask[2] = 0; |
| 523 | params.sse.mask[3] = 0; |
| 524 | break; |
| 525 | case 2: |
| 526 | params.sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 527 | params.sse.mask[1] = UINT32_C(0xFFFFFFFF); |
| 528 | params.sse.mask[2] = 0; |
| 529 | params.sse.mask[3] = 0; |
| 530 | break; |
| 531 | case 3: |
| 532 | params.sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 533 | params.sse.mask[1] = UINT32_C(0xFFFFFFFF); |
| 534 | params.sse.mask[2] = UINT32_C(0xFFFFFFFF); |
| 535 | params.sse.mask[3] = 0; |
| 536 | break; |
| 537 | } |
| 538 | switch (width % 8) { |
| 539 | case 0: |
| 540 | params.sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 541 | params.sse.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 542 | params.sse.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 543 | params.sse.mask_even[3] = UINT32_C(0xFFFFFFFF); |
| 544 | params.sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 545 | params.sse.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 546 | params.sse.mask_odd[2] = UINT32_C(0xFFFFFFFF); |
| 547 | params.sse.mask_odd[3] = UINT32_C(0xFFFFFFFF); |
| 548 | break; |
| 549 | case 1: |
| 550 | params.sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 551 | params.sse.mask_even[1] = 0; |
| 552 | params.sse.mask_even[2] = 0; |
| 553 | params.sse.mask_even[3] = 0; |
| 554 | params.sse.mask_odd[0] = 0; |
| 555 | params.sse.mask_odd[1] = 0; |
| 556 | params.sse.mask_odd[2] = 0; |
| 557 | params.sse.mask_odd[3] = 0; |
| 558 | break; |
| 559 | case 2: |
| 560 | params.sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 561 | params.sse.mask_even[1] = 0; |
| 562 | params.sse.mask_even[2] = 0; |
| 563 | params.sse.mask_even[3] = 0; |
| 564 | params.sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 565 | params.sse.mask_odd[1] = 0; |
| 566 | params.sse.mask_odd[2] = 0; |
| 567 | params.sse.mask_odd[3] = 0; |
| 568 | break; |
| 569 | case 3: |
| 570 | params.sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 571 | params.sse.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 572 | params.sse.mask_even[2] = 0; |
| 573 | params.sse.mask_even[3] = 0; |
| 574 | params.sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 575 | params.sse.mask_odd[1] = 0; |
| 576 | params.sse.mask_odd[2] = 0; |
| 577 | params.sse.mask_odd[3] = 0; |
| 578 | break; |
| 579 | case 4: |
| 580 | params.sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 581 | params.sse.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 582 | params.sse.mask_even[2] = 0; |
| 583 | params.sse.mask_even[3] = 0; |
| 584 | params.sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 585 | params.sse.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 586 | params.sse.mask_odd[2] = 0; |
| 587 | params.sse.mask_odd[3] = 0; |
| 588 | break; |
| 589 | case 5: |
| 590 | params.sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 591 | params.sse.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 592 | params.sse.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 593 | params.sse.mask_even[3] = 0; |
| 594 | params.sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 595 | params.sse.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 596 | params.sse.mask_odd[2] = 0; |
| 597 | params.sse.mask_odd[3] = 0; |
| 598 | break; |
| 599 | case 6: |
| 600 | params.sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 601 | params.sse.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 602 | params.sse.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 603 | params.sse.mask_even[3] = 0; |
| 604 | params.sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 605 | params.sse.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 606 | params.sse.mask_odd[2] = UINT32_C(0xFFFFFFFF); |
| 607 | params.sse.mask_odd[3] = 0; |
| 608 | break; |
| 609 | case 7: |
| 610 | params.sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 611 | params.sse.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 612 | params.sse.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 613 | params.sse.mask_even[3] = UINT32_C(0xFFFFFFFF); |
| 614 | params.sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 615 | params.sse.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 616 | params.sse.mask_odd[2] = UINT32_C(0xFFFFFFFF); |
| 617 | params.sse.mask_odd[3] = 0; |
| 618 | break; |
| 619 | } |
| 620 | for (uint32_t i = 0; i < 4; i++) { |
| 621 | params.sse.max[i] = output_max; |
| 622 | params.sse.min[i] = output_min; |
| 623 | } |
| 624 | #elif CPUINFO_ARCH_ARM || CPUINFO_ARCH_ARM64 |
| 625 | switch (width % 4) { |
| 626 | case 0: |
| 627 | params.neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 628 | params.neon.mask[1] = UINT32_C(0xFFFFFFFF); |
| 629 | params.neon.mask[2] = UINT32_C(0xFFFFFFFF); |
| 630 | params.neon.mask[3] = UINT32_C(0xFFFFFFFF); |
| 631 | break; |
| 632 | case 1: |
| 633 | params.neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 634 | params.neon.mask[1] = 0; |
| 635 | params.neon.mask[2] = 0; |
| 636 | params.neon.mask[3] = 0; |
| 637 | break; |
| 638 | case 2: |
| 639 | params.neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 640 | params.neon.mask[1] = UINT32_C(0xFFFFFFFF); |
| 641 | params.neon.mask[2] = 0; |
| 642 | params.neon.mask[3] = 0; |
| 643 | break; |
| 644 | case 3: |
| 645 | params.neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 646 | params.neon.mask[1] = UINT32_C(0xFFFFFFFF); |
| 647 | params.neon.mask[2] = UINT32_C(0xFFFFFFFF); |
| 648 | params.neon.mask[3] = 0; |
| 649 | break; |
| 650 | } |
| 651 | switch (width % 8) { |
| 652 | case 0: |
| 653 | params.neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 654 | params.neon.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 655 | params.neon.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 656 | params.neon.mask_even[3] = UINT32_C(0xFFFFFFFF); |
| 657 | params.neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 658 | params.neon.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 659 | params.neon.mask_odd[2] = UINT32_C(0xFFFFFFFF); |
| 660 | params.neon.mask_odd[3] = UINT32_C(0xFFFFFFFF); |
| 661 | break; |
| 662 | case 1: |
| 663 | params.neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 664 | params.neon.mask_even[1] = 0; |
| 665 | params.neon.mask_even[2] = 0; |
| 666 | params.neon.mask_even[3] = 0; |
| 667 | params.neon.mask_odd[0] = 0; |
| 668 | params.neon.mask_odd[1] = 0; |
| 669 | params.neon.mask_odd[2] = 0; |
| 670 | params.neon.mask_odd[3] = 0; |
| 671 | break; |
| 672 | case 2: |
| 673 | params.neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 674 | params.neon.mask_even[1] = 0; |
| 675 | params.neon.mask_even[2] = 0; |
| 676 | params.neon.mask_even[3] = 0; |
| 677 | params.neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 678 | params.neon.mask_odd[1] = 0; |
| 679 | params.neon.mask_odd[2] = 0; |
| 680 | params.neon.mask_odd[3] = 0; |
| 681 | break; |
| 682 | case 3: |
| 683 | params.neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 684 | params.neon.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 685 | params.neon.mask_even[2] = 0; |
| 686 | params.neon.mask_even[3] = 0; |
| 687 | params.neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 688 | params.neon.mask_odd[1] = 0; |
| 689 | params.neon.mask_odd[2] = 0; |
| 690 | params.neon.mask_odd[3] = 0; |
| 691 | break; |
| 692 | case 4: |
| 693 | params.neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 694 | params.neon.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 695 | params.neon.mask_even[2] = 0; |
| 696 | params.neon.mask_even[3] = 0; |
| 697 | params.neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 698 | params.neon.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 699 | params.neon.mask_odd[2] = 0; |
| 700 | params.neon.mask_odd[3] = 0; |
| 701 | break; |
| 702 | case 5: |
| 703 | params.neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 704 | params.neon.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 705 | params.neon.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 706 | params.neon.mask_even[3] = 0; |
| 707 | params.neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 708 | params.neon.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 709 | params.neon.mask_odd[2] = 0; |
| 710 | params.neon.mask_odd[3] = 0; |
| 711 | break; |
| 712 | case 6: |
| 713 | params.neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 714 | params.neon.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 715 | params.neon.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 716 | params.neon.mask_even[3] = 0; |
| 717 | params.neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 718 | params.neon.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 719 | params.neon.mask_odd[2] = UINT32_C(0xFFFFFFFF); |
| 720 | params.neon.mask_odd[3] = 0; |
| 721 | break; |
| 722 | case 7: |
| 723 | params.neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 724 | params.neon.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 725 | params.neon.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 726 | params.neon.mask_even[3] = UINT32_C(0xFFFFFFFF); |
| 727 | params.neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 728 | params.neon.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 729 | params.neon.mask_odd[2] = UINT32_C(0xFFFFFFFF); |
| 730 | params.neon.mask_odd[3] = 0; |
| 731 | break; |
| 732 | } |
| 733 | params.neon.max = output_max; |
| 734 | params.neon.min = output_min; |
| 735 | #else |
| 736 | params.scalar.max = output_max; |
| 737 | params.scalar.min = output_min; |
| 738 | #endif |
| 739 | return params; |
| 740 | } |
| 741 | |
| 742 | static inline void xnn_update_f32_spchw_params( |
| 743 | union xnn_f32_spchw_params* params, |
| 744 | uint32_t width) |
| 745 | { |
| 746 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 747 | switch (width % 4) { |
| 748 | case 0: |
| 749 | params->sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 750 | params->sse.mask[1] = UINT32_C(0xFFFFFFFF); |
| 751 | params->sse.mask[2] = UINT32_C(0xFFFFFFFF); |
| 752 | params->sse.mask[3] = UINT32_C(0xFFFFFFFF); |
| 753 | break; |
| 754 | case 1: |
| 755 | params->sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 756 | params->sse.mask[1] = 0; |
| 757 | params->sse.mask[2] = 0; |
| 758 | params->sse.mask[3] = 0; |
| 759 | break; |
| 760 | case 2: |
| 761 | params->sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 762 | params->sse.mask[1] = UINT32_C(0xFFFFFFFF); |
| 763 | params->sse.mask[2] = 0; |
| 764 | params->sse.mask[3] = 0; |
| 765 | break; |
| 766 | case 3: |
| 767 | params->sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 768 | params->sse.mask[1] = UINT32_C(0xFFFFFFFF); |
| 769 | params->sse.mask[2] = UINT32_C(0xFFFFFFFF); |
| 770 | params->sse.mask[3] = 0; |
| 771 | break; |
| 772 | } |
| 773 | switch (width % 8) { |
| 774 | case 0: |
| 775 | params->sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 776 | params->sse.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 777 | params->sse.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 778 | params->sse.mask_even[3] = UINT32_C(0xFFFFFFFF); |
| 779 | params->sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 780 | params->sse.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 781 | params->sse.mask_odd[2] = UINT32_C(0xFFFFFFFF); |
| 782 | params->sse.mask_odd[3] = UINT32_C(0xFFFFFFFF); |
| 783 | break; |
| 784 | case 1: |
| 785 | params->sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 786 | params->sse.mask_even[1] = 0; |
| 787 | params->sse.mask_even[2] = 0; |
| 788 | params->sse.mask_even[3] = 0; |
| 789 | params->sse.mask_odd[0] = 0; |
| 790 | params->sse.mask_odd[1] = 0; |
| 791 | params->sse.mask_odd[2] = 0; |
| 792 | params->sse.mask_odd[3] = 0; |
| 793 | break; |
| 794 | case 2: |
| 795 | params->sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 796 | params->sse.mask_even[1] = 0; |
| 797 | params->sse.mask_even[2] = 0; |
| 798 | params->sse.mask_even[3] = 0; |
| 799 | params->sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 800 | params->sse.mask_odd[1] = 0; |
| 801 | params->sse.mask_odd[2] = 0; |
| 802 | params->sse.mask_odd[3] = 0; |
| 803 | break; |
| 804 | case 3: |
| 805 | params->sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 806 | params->sse.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 807 | params->sse.mask_even[2] = 0; |
| 808 | params->sse.mask_even[3] = 0; |
| 809 | params->sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 810 | params->sse.mask_odd[1] = 0; |
| 811 | params->sse.mask_odd[2] = 0; |
| 812 | params->sse.mask_odd[3] = 0; |
| 813 | break; |
| 814 | case 4: |
| 815 | params->sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 816 | params->sse.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 817 | params->sse.mask_even[2] = 0; |
| 818 | params->sse.mask_even[3] = 0; |
| 819 | params->sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 820 | params->sse.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 821 | params->sse.mask_odd[2] = 0; |
| 822 | params->sse.mask_odd[3] = 0; |
| 823 | break; |
| 824 | case 5: |
| 825 | params->sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 826 | params->sse.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 827 | params->sse.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 828 | params->sse.mask_even[3] = 0; |
| 829 | params->sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 830 | params->sse.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 831 | params->sse.mask_odd[2] = 0; |
| 832 | params->sse.mask_odd[3] = 0; |
| 833 | break; |
| 834 | case 6: |
| 835 | params->sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 836 | params->sse.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 837 | params->sse.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 838 | params->sse.mask_even[3] = 0; |
| 839 | params->sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 840 | params->sse.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 841 | params->sse.mask_odd[2] = UINT32_C(0xFFFFFFFF); |
| 842 | params->sse.mask_odd[3] = 0; |
| 843 | break; |
| 844 | case 7: |
| 845 | params->sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 846 | params->sse.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 847 | params->sse.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 848 | params->sse.mask_even[3] = UINT32_C(0xFFFFFFFF); |
| 849 | params->sse.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 850 | params->sse.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 851 | params->sse.mask_odd[2] = UINT32_C(0xFFFFFFFF); |
| 852 | params->sse.mask_odd[3] = 0; |
| 853 | break; |
| 854 | } |
| 855 | #elif CPUINFO_ARCH_ARM || CPUINFO_ARCH_ARM64 |
| 856 | switch (width % 4) { |
| 857 | case 0: |
| 858 | params->neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 859 | params->neon.mask[1] = UINT32_C(0xFFFFFFFF); |
| 860 | params->neon.mask[2] = UINT32_C(0xFFFFFFFF); |
| 861 | params->neon.mask[3] = UINT32_C(0xFFFFFFFF); |
| 862 | break; |
| 863 | case 1: |
| 864 | params->neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 865 | params->neon.mask[1] = 0; |
| 866 | params->neon.mask[2] = 0; |
| 867 | params->neon.mask[3] = 0; |
| 868 | break; |
| 869 | case 2: |
| 870 | params->neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 871 | params->neon.mask[1] = UINT32_C(0xFFFFFFFF); |
| 872 | params->neon.mask[2] = 0; |
| 873 | params->neon.mask[3] = 0; |
| 874 | break; |
| 875 | case 3: |
| 876 | params->neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 877 | params->neon.mask[1] = UINT32_C(0xFFFFFFFF); |
| 878 | params->neon.mask[2] = UINT32_C(0xFFFFFFFF); |
| 879 | params->neon.mask[3] = 0; |
| 880 | break; |
| 881 | } |
| 882 | switch (width % 8) { |
| 883 | case 0: |
| 884 | params->neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 885 | params->neon.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 886 | params->neon.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 887 | params->neon.mask_even[3] = UINT32_C(0xFFFFFFFF); |
| 888 | params->neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 889 | params->neon.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 890 | params->neon.mask_odd[2] = UINT32_C(0xFFFFFFFF); |
| 891 | params->neon.mask_odd[3] = UINT32_C(0xFFFFFFFF); |
| 892 | break; |
| 893 | case 1: |
| 894 | params->neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 895 | params->neon.mask_even[1] = 0; |
| 896 | params->neon.mask_even[2] = 0; |
| 897 | params->neon.mask_even[3] = 0; |
| 898 | params->neon.mask_odd[0] = 0; |
| 899 | params->neon.mask_odd[1] = 0; |
| 900 | params->neon.mask_odd[2] = 0; |
| 901 | params->neon.mask_odd[3] = 0; |
| 902 | break; |
| 903 | case 2: |
| 904 | params->neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 905 | params->neon.mask_even[1] = 0; |
| 906 | params->neon.mask_even[2] = 0; |
| 907 | params->neon.mask_even[3] = 0; |
| 908 | params->neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 909 | params->neon.mask_odd[1] = 0; |
| 910 | params->neon.mask_odd[2] = 0; |
| 911 | params->neon.mask_odd[3] = 0; |
| 912 | break; |
| 913 | case 3: |
| 914 | params->neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 915 | params->neon.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 916 | params->neon.mask_even[2] = 0; |
| 917 | params->neon.mask_even[3] = 0; |
| 918 | params->neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 919 | params->neon.mask_odd[1] = 0; |
| 920 | params->neon.mask_odd[2] = 0; |
| 921 | params->neon.mask_odd[3] = 0; |
| 922 | break; |
| 923 | case 4: |
| 924 | params->neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 925 | params->neon.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 926 | params->neon.mask_even[2] = 0; |
| 927 | params->neon.mask_even[3] = 0; |
| 928 | params->neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 929 | params->neon.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 930 | params->neon.mask_odd[2] = 0; |
| 931 | params->neon.mask_odd[3] = 0; |
| 932 | break; |
| 933 | case 5: |
| 934 | params->neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 935 | params->neon.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 936 | params->neon.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 937 | params->neon.mask_even[3] = 0; |
| 938 | params->neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 939 | params->neon.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 940 | params->neon.mask_odd[2] = 0; |
| 941 | params->neon.mask_odd[3] = 0; |
| 942 | break; |
| 943 | case 6: |
| 944 | params->neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 945 | params->neon.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 946 | params->neon.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 947 | params->neon.mask_even[3] = 0; |
| 948 | params->neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 949 | params->neon.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 950 | params->neon.mask_odd[2] = UINT32_C(0xFFFFFFFF); |
| 951 | params->neon.mask_odd[3] = 0; |
| 952 | break; |
| 953 | case 7: |
| 954 | params->neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 955 | params->neon.mask_even[1] = UINT32_C(0xFFFFFFFF); |
| 956 | params->neon.mask_even[2] = UINT32_C(0xFFFFFFFF); |
| 957 | params->neon.mask_even[3] = UINT32_C(0xFFFFFFFF); |
| 958 | params->neon.mask_odd[0] = UINT32_C(0xFFFFFFFF); |
| 959 | params->neon.mask_odd[1] = UINT32_C(0xFFFFFFFF); |
| 960 | params->neon.mask_odd[2] = UINT32_C(0xFFFFFFFF); |
| 961 | params->neon.mask_odd[3] = 0; |
| 962 | break; |
| 963 | } |
| 964 | #endif |
| 965 | } |
| 966 | |
| 967 | static inline union xnn_f32_spchw_params xnn_compute_scalar_f32_spchw_params( |
| 968 | uint32_t width, |
| 969 | float output_min, |
| 970 | float output_max) |
| 971 | { |
| 972 | union xnn_f32_spchw_params params; |
| 973 | params.scalar.max = output_max; |
| 974 | params.scalar.min = output_min; |
| 975 | return params; |
| 976 | } |
| 977 | |
| 978 | static inline union xnn_u8_output_params xnn_compute_u8_output_params( |
| 979 | uint8_t output_min, |
| 980 | uint8_t output_max) |
| 981 | { |
| 982 | assert(output_min < output_max); |
| 983 | |
| 984 | union xnn_u8_output_params params; |
| 985 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 986 | for (uint32_t i = 0; i < 16; i++) { |
| 987 | params.sse2.max[i] = output_max; |
| 988 | params.sse2.min[i] = output_min; |
| 989 | } |
| 990 | #elif CPUINFO_ARCH_ARM || CPUINFO_ARCH_ARM64 |
| 991 | params.neon.max = output_max; |
| 992 | params.neon.min = output_min; |
| 993 | #else |
| 994 | params.scalar.min = (int32_t) (uint32_t) output_min; |
| 995 | params.scalar.max = (int32_t) (uint32_t) output_max; |
| 996 | #endif |
| 997 | return params; |
| 998 | } |
| 999 | |
| 1000 | static inline union xnn_u8_output_params xnn_compute_scalar_u8_output_params( |
| 1001 | uint8_t output_min, |
| 1002 | uint8_t output_max) |
| 1003 | { |
| 1004 | assert(output_min < output_max); |
| 1005 | |
| 1006 | union xnn_u8_output_params params; |
| 1007 | params.scalar.min = (int32_t) (uint32_t) output_min; |
| 1008 | params.scalar.max = (int32_t) (uint32_t) output_max; |
| 1009 | return params; |
| 1010 | } |
| 1011 | |
| 1012 | static inline union xnn_q8_add_params xnn_compute_q8_add_params( |
| 1013 | uint8_t a_zero_point, |
| 1014 | uint8_t b_zero_point, |
| 1015 | uint8_t output_zero_point, |
| 1016 | float a_output_scale, |
| 1017 | float b_output_scale, |
| 1018 | uint8_t output_min, |
| 1019 | uint8_t output_max) |
| 1020 | { |
| 1021 | assert(a_output_scale >= 0x1.0p-14f); |
| 1022 | assert(b_output_scale >= 0x1.0p-14f); |
| 1023 | assert(a_output_scale < 0x1.0p+8f); |
| 1024 | assert(b_output_scale < 0x1.0p+8f); |
| 1025 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1026 | // Compute requantization parameters. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1027 | const float max_output_scale = a_output_scale > b_output_scale ? a_output_scale : b_output_scale; |
| 1028 | assert(max_output_scale >= 0x1.0p-14f); |
| 1029 | assert(max_output_scale < 0x1.0p+8f); |
| 1030 | const uint32_t max_scale_bits = fp32_to_bits(max_output_scale); |
| 1031 | const int32_t max_scale_exponent = (int32_t) (max_scale_bits >> 23) - 127; |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1032 | // Shift is in [13, 31] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1033 | const uint32_t shift = (uint32_t) (21 - max_scale_exponent); |
| 1034 | assert(shift < 32); |
| 1035 | assert(shift >= 13); |
| 1036 | |
| 1037 | const float scale_multiplier = fp32_from_bits((uint32_t) (21 - max_scale_exponent + 127) << 23); |
| 1038 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1039 | // Multipliers are in [0, 2**22) range, largest multiplier is in [2**21, 2**22) range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1040 | const uint32_t a_multiplier = (uint32_t) (int32_t) __builtin_lrintf(a_output_scale * scale_multiplier); |
| 1041 | const uint32_t b_multiplier = (uint32_t) (int32_t) __builtin_lrintf(b_output_scale * scale_multiplier); |
| 1042 | assert((a_multiplier > b_multiplier ? a_multiplier : b_multiplier) >= UINT32_C(0x00200000)); |
| 1043 | assert(a_multiplier < UINT32_C(0x00400000)); |
| 1044 | assert(b_multiplier < UINT32_C(0x00400000)); |
| 1045 | |
| 1046 | union xnn_q8_add_params params; |
| 1047 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 1048 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 1049 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 1050 | const int32_t zero_point_product = |
| 1051 | (int32_t) -(a_multiplier * (uint32_t) a_zero_point + b_multiplier * (uint32_t) b_zero_point); |
| 1052 | for (uint32_t i = 0; i < 4; i++) { |
| 1053 | params.sse2.zero_point_product[i] = zero_point_product; |
| 1054 | } |
| 1055 | for (uint32_t i = 0; i < 8; i++) { |
| 1056 | params.sse2.y_zero_point[i] = (int16_t) (uint16_t) output_zero_point; |
| 1057 | } |
| 1058 | for (uint32_t i = 0; i < 8; i++) { |
| 1059 | params.sse2.a_multiplier_lo[i] = (uint16_t) (uint32_t) a_multiplier; |
| 1060 | params.sse2.a_multiplier_hi[i] = (uint16_t) ((uint32_t) a_multiplier >> 16); |
| 1061 | params.sse2.b_multiplier_lo[i] = (uint16_t) (uint32_t) b_multiplier; |
| 1062 | params.sse2.b_multiplier_hi[i] = (uint16_t) ((uint32_t) b_multiplier >> 16); |
| 1063 | } |
| 1064 | params.sse2.a_multiplier = a_multiplier; |
| 1065 | params.sse2.b_multiplier = b_multiplier; |
| 1066 | for (uint32_t i = 0; i < 4; i++) { |
| 1067 | params.sse2.remainder_mask[i] = remainder_mask; |
| 1068 | params.sse2.remainder_threshold[i] = remainder_threshold; |
| 1069 | } |
| 1070 | params.sse2.shift = shift; |
| 1071 | for (uint32_t i = 0; i < 16; i++) { |
| 1072 | params.sse2.y_max[i] = output_max; |
| 1073 | params.sse2.y_min[i] = output_min; |
| 1074 | } |
| 1075 | #elif CPUINFO_ARCH_ARM || CPUINFO_ARCH_ARM64 |
| 1076 | params.neon.a_zero_point = a_zero_point; |
| 1077 | params.neon.b_zero_point = b_zero_point; |
| 1078 | params.neon.y_zero_point = (int16_t) (uint16_t) output_zero_point; |
| 1079 | params.neon.a_multiplier = (int32_t) a_multiplier; |
| 1080 | params.neon.b_multiplier = (int32_t) b_multiplier; |
| 1081 | params.neon.right_shift = (int32_t) -shift; |
| 1082 | params.neon.y_max = output_max; |
| 1083 | params.neon.y_min = output_min; |
| 1084 | #else |
| 1085 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 1086 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 1087 | params.scalar.zero_point_product = |
| 1088 | (int32_t) -(a_multiplier * (uint32_t) a_zero_point + b_multiplier * (uint32_t) b_zero_point); |
| 1089 | params.scalar.a_multiplier = a_multiplier; |
| 1090 | params.scalar.b_multiplier = b_multiplier; |
| 1091 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 1092 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 1093 | params.scalar.shift = shift; |
| 1094 | params.scalar.y_zero_point = (int32_t) (uint32_t) output_zero_point; |
| 1095 | params.scalar.y_max = (int32_t) (uint32_t) output_max; |
| 1096 | params.scalar.y_min = (int32_t) (uint32_t) output_min; |
| 1097 | #endif |
| 1098 | return params; |
| 1099 | } |
| 1100 | |
| 1101 | static inline union xnn_q8_add_params xnn_compute_scalar_q8_add_params( |
| 1102 | uint8_t a_zero_point, |
| 1103 | uint8_t b_zero_point, |
| 1104 | uint8_t output_zero_point, |
| 1105 | float a_output_scale, |
| 1106 | float b_output_scale, |
| 1107 | uint8_t output_min, |
| 1108 | uint8_t output_max) |
| 1109 | { |
| 1110 | assert(a_output_scale >= 0x1.0p-10f); |
| 1111 | assert(b_output_scale >= 0x1.0p-10f); |
| 1112 | assert(a_output_scale < 0x1.0p+8f); |
| 1113 | assert(b_output_scale < 0x1.0p+8f); |
| 1114 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1115 | // Compute requantization parameters. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1116 | const float max_output_scale = a_output_scale > b_output_scale ? a_output_scale : b_output_scale; |
| 1117 | assert(max_output_scale >= 0x1.0p-10f); |
| 1118 | assert(max_output_scale < 0x1.0p+8f); |
| 1119 | const uint32_t max_scale_bits = fp32_to_bits(max_output_scale); |
| 1120 | const int32_t max_scale_exponent = (int32_t) (max_scale_bits >> 23) - 127; |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1121 | // Shift is in [13, 31] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1122 | const uint32_t shift = (uint32_t) (21 - max_scale_exponent); |
| 1123 | assert(shift < 32); |
| 1124 | assert(shift >= 13); |
| 1125 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1126 | // Multipliers are in [0, 2**22) range, largest multiplier is in [2**21, 2**22) range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1127 | const uint32_t a_multiplier = (uint32_t) (int32_t) __builtin_lrintf(fp32_from_bits(fp32_to_bits(a_output_scale) + (shift << 23))); |
| 1128 | const uint32_t b_multiplier = (uint32_t) (int32_t) __builtin_lrintf(fp32_from_bits(fp32_to_bits(b_output_scale) + (shift << 23))); |
| 1129 | assert((a_multiplier > b_multiplier ? a_multiplier : b_multiplier) >= UINT32_C(0x00200000)); |
| 1130 | assert(a_multiplier < UINT32_C(0x00400000)); |
| 1131 | assert(b_multiplier < UINT32_C(0x00400000)); |
| 1132 | |
| 1133 | union xnn_q8_add_params params; |
| 1134 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 1135 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 1136 | params.scalar.zero_point_product = |
| 1137 | (int32_t) -(a_multiplier * (uint32_t) a_zero_point + b_multiplier * (uint32_t) b_zero_point); |
| 1138 | params.scalar.a_multiplier = a_multiplier; |
| 1139 | params.scalar.b_multiplier = b_multiplier; |
| 1140 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 1141 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 1142 | params.scalar.shift = shift; |
| 1143 | params.scalar.y_zero_point = (int32_t) (uint32_t) output_zero_point; |
| 1144 | params.scalar.y_max = (int32_t) (uint32_t) output_max; |
| 1145 | params.scalar.y_min = (int32_t) (uint32_t) output_min; |
| 1146 | return params; |
| 1147 | } |
| 1148 | |
| 1149 | static inline union xnn_q31_requantization_params xnn_compute_scalar_requantization_params( |
| 1150 | float scale, |
| 1151 | uint8_t zero_point, |
| 1152 | uint8_t min, |
| 1153 | uint8_t max) |
| 1154 | { |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1155 | // Compute requantization parameters. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1156 | assert(scale < 1.0f); |
| 1157 | assert(scale >= 0x1.0p-32f); |
| 1158 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 1159 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1160 | // Multiplier is in [0x40000000, 0x7FFFFF80] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1161 | const int32_t multiplier = (int32_t)(((scale_bits & UINT32_C(0x007FFFFF)) | UINT32_C(0x00800000)) << 7); |
| 1162 | assert(multiplier >= INT32_C(0x40000000)); |
| 1163 | assert(multiplier <= INT32_C(0x7FFFFF80)); |
| 1164 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1165 | // Shift is in [0, 31] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1166 | const int32_t shift = 127 + 31 - 32 - (fp32_to_bits(scale) >> 23); |
| 1167 | assert(shift >= 0); |
| 1168 | assert(shift < 32); |
| 1169 | |
| 1170 | union xnn_q31_requantization_params params; |
| 1171 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 1172 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 1173 | params.scalar.multiplier = multiplier; |
| 1174 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 1175 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 1176 | params.scalar.shift = (uint32_t) shift; |
| 1177 | params.scalar.min_less_zero_point = (int32_t) (uint32_t) min - (int32_t) (uint32_t) zero_point; |
| 1178 | params.scalar.max_less_zero_point = (int32_t) (uint32_t) max - (int32_t) (uint32_t) zero_point; |
| 1179 | params.scalar.zero_point = (int32_t) (uint32_t) zero_point; |
| 1180 | return params; |
| 1181 | } |
| 1182 | |
| 1183 | static inline union xnn_q31_requantization_params xnn_compute_requantization_params( |
| 1184 | float scale, |
| 1185 | uint8_t zero_point, |
| 1186 | uint8_t min, |
| 1187 | uint8_t max) |
| 1188 | { |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1189 | // Compute requantization parameters. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1190 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 1191 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1192 | // Multiplier is in [0x40000000, 0x7FFFFF80] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1193 | const int32_t multiplier = (int32_t)(((scale_bits & UINT32_C(0x007FFFFF)) | UINT32_C(0x00800000)) << 7); |
| 1194 | assert(multiplier >= INT32_C(0x40000000)); |
| 1195 | assert(multiplier <= INT32_C(0x7FFFFF80)); |
| 1196 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1197 | // Shift is in [0, 31] range. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1198 | const int32_t shift = 127 + 31 - 32 - (fp32_to_bits(scale) >> 23); |
| 1199 | assert(shift >= 0); |
| 1200 | assert(shift < 32); |
| 1201 | |
| 1202 | union xnn_q31_requantization_params params; |
| 1203 | #if CPUINFO_ARCH_X86 || CPUINFO_ARCH_X86_64 |
| 1204 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 1205 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 1206 | params.sse2.multiplier[0] = multiplier; |
| 1207 | params.sse2.multiplier[1] = multiplier; |
| 1208 | params.sse2.multiplier[2] = multiplier; |
| 1209 | params.sse2.multiplier[3] = multiplier; |
| 1210 | params.sse2.rounding[0] = UINT64_C(0x40000000); |
| 1211 | params.sse2.rounding[1] = UINT64_C(0x40000000); |
| 1212 | params.sse2.remainder_mask[0] = (int32_t) remainder_mask; |
| 1213 | params.sse2.remainder_mask[1] = (int32_t) remainder_mask; |
| 1214 | params.sse2.remainder_mask[2] = (int32_t) remainder_mask; |
| 1215 | params.sse2.remainder_mask[3] = (int32_t) remainder_mask; |
| 1216 | params.sse2.remainder_threshold[0] = (int32_t) remainder_threshold; |
| 1217 | params.sse2.remainder_threshold[1] = (int32_t) remainder_threshold; |
| 1218 | params.sse2.remainder_threshold[2] = (int32_t) remainder_threshold; |
| 1219 | params.sse2.remainder_threshold[3] = (int32_t) remainder_threshold; |
| 1220 | params.sse2.shift[0] = (uint64_t) (uint32_t) shift; |
| 1221 | params.sse2.shift[1] = (uint64_t) (uint32_t) shift; |
| 1222 | for (uint32_t i = 0; i < 8; i++) { |
| 1223 | params.sse2.zero_point[i] = (int16_t) (uint16_t) zero_point; |
| 1224 | } |
| 1225 | for (uint32_t i = 0; i < 16; i++) { |
| 1226 | params.sse2.max[i] = max; |
| 1227 | params.sse2.min[i] = min; |
| 1228 | } |
| 1229 | #elif CPUINFO_ARCH_ARM || CPUINFO_ARCH_ARM64 |
| 1230 | params.neon.multiplier = multiplier; |
| 1231 | params.neon.right_shift = -shift; |
| 1232 | params.neon.zero_point = (int16_t) (uint16_t) zero_point; |
| 1233 | params.neon.max = max; |
| 1234 | params.neon.min = min; |
| 1235 | #else |
| 1236 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 1237 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 1238 | params.scalar.multiplier = multiplier; |
| 1239 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 1240 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 1241 | params.scalar.shift = (uint32_t) shift; |
| 1242 | params.scalar.min_less_zero_point = (int32_t) (uint32_t) min - (int32_t) (uint32_t) zero_point; |
| 1243 | params.scalar.max_less_zero_point = (int32_t) (uint32_t) max - (int32_t) (uint32_t) zero_point; |
| 1244 | params.scalar.zero_point = (int32_t) (uint32_t) zero_point; |
| 1245 | #endif |
| 1246 | return params; |
| 1247 | } |
| 1248 | |
| 1249 | static inline uint8_t xnn_q31_requantize( |
| 1250 | int32_t n, |
| 1251 | union xnn_q31_requantization_params params) |
| 1252 | { |
| 1253 | const int64_t product = (int64_t) n * (int64_t) params.scalar.multiplier; |
| 1254 | const int32_t q31product = (int32_t) (uint32_t) ((uint64_t) (product + INT64_C(0x40000000)) >> 31); |
| 1255 | const int32_t remainder = (q31product & params.scalar.remainder_mask) - (int32_t) (n < 0); |
| 1256 | n = asr_s32(q31product, params.scalar.shift) + (int32_t) (remainder > params.scalar.remainder_threshold); |
| 1257 | if (n < params.scalar.min_less_zero_point) { |
| 1258 | n = params.scalar.min_less_zero_point; |
| 1259 | } |
| 1260 | if (n > params.scalar.max_less_zero_point) { |
| 1261 | n = params.scalar.max_less_zero_point; |
| 1262 | } |
| 1263 | |
| 1264 | return (uint8_t) (n + params.scalar.zero_point); |
| 1265 | } |
| 1266 | |
| 1267 | static inline uint8_t xnn_avgpool_quantize( |
| 1268 | int32_t n, |
| 1269 | union xnn_q8_avgpool_params params) |
| 1270 | { |
| 1271 | const int64_t product = (int64_t) n * (int64_t) params.scalar.multiplier; |
| 1272 | const int64_t adjusted_product = product - (int64_t) (n < 0); |
| 1273 | |
| 1274 | n = (int32_t) asr_s64(adjusted_product + params.scalar.rounding, params.scalar.right_shift); |
| 1275 | if (n < params.scalar.output_min_less_zero_point) { |
| 1276 | n = params.scalar.output_min_less_zero_point; |
| 1277 | } |
| 1278 | if (n > params.scalar.output_max_less_zero_point) { |
| 1279 | n = params.scalar.output_max_less_zero_point; |
| 1280 | } |
| 1281 | |
| 1282 | return (uint8_t) (n + params.scalar.output_zero_point); |
| 1283 | } |
| 1284 | |
| 1285 | static inline uint8_t xnn_add_quantize( |
| 1286 | uint8_t a, uint8_t b, |
| 1287 | union xnn_q8_add_params params) |
| 1288 | { |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1289 | // Multiply by factors and accumulate products. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1290 | int32_t acc = params.scalar.zero_point_product + |
| 1291 | (int32_t) ((uint32_t) a * params.scalar.a_multiplier) + |
| 1292 | (int32_t) ((uint32_t) b * params.scalar.b_multiplier); |
| 1293 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1294 | // Shift right and round. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1295 | const int32_t rem = (acc & params.scalar.remainder_mask) - (int32_t) (acc < 0); |
| 1296 | acc = asr_s32(acc, params.scalar.shift) + (int32_t) (rem > params.scalar.remainder_threshold); |
| 1297 | |
Marat Dukhan | 80fc932 | 2019-09-29 21:06:36 -0700 | [diff] [blame^] | 1298 | // Clamp and add output zero point. |
XNNPACK Team | b455b12 | 2019-09-27 18:10:33 -0700 | [diff] [blame] | 1299 | int32_t y = acc + params.scalar.y_zero_point; |
| 1300 | if (y >= params.scalar.y_max) { |
| 1301 | y = params.scalar.y_max; |
| 1302 | } |
| 1303 | if (y <= params.scalar.y_min) { |
| 1304 | y = params.scalar.y_min; |
| 1305 | } |
| 1306 | return (uint8_t) y; |
| 1307 | } |