Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -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/common.h> |
Marat Dukhan | 2b9efd8 | 2020-06-08 01:09:31 -0700 | [diff] [blame] | 26 | #include <xnnpack/math.h> |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 27 | #include <xnnpack/params.h> |
| 28 | |
| 29 | |
Marat Dukhan | 08b7a97 | 2020-07-14 18:17:29 -0700 | [diff] [blame] | 30 | static inline union xnn_qu8_gemm_params xnn_init_scalar_qu8_gemm_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 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 | { |
| 37 | // Compute requantization parameters |
| 38 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 39 | |
| 40 | // Multiplier is in [0x40000000, 0x7FFFFF80] range. |
| 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 | |
| 45 | // Shift is in [0, 31] range. |
| 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 | |
Marat Dukhan | 08b7a97 | 2020-07-14 18:17:29 -0700 | [diff] [blame] | 53 | union xnn_qu8_gemm_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 54 | params.scalar.kernel_zero_point = (int32_t) (uint32_t) kernel_zero_point; |
| 55 | params.scalar.multiplier = multiplier; |
| 56 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 57 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 58 | params.scalar.shift = (uint32_t) shift; |
| 59 | params.scalar.output_min_less_zero_point = |
| 60 | (int32_t) (uint32_t) output_min - (int32_t) (uint32_t) output_zero_point; |
| 61 | params.scalar.output_max_less_zero_point = |
| 62 | (int32_t) (uint32_t) output_max - (int32_t) (uint32_t) output_zero_point; |
| 63 | params.scalar.output_zero_point = (int32_t) (uint32_t) output_zero_point; |
| 64 | return params; |
| 65 | } |
| 66 | |
Marat Dukhan | 08b7a97 | 2020-07-14 18:17:29 -0700 | [diff] [blame] | 67 | static inline union xnn_qu8_gemm_params xnn_init_qu8_gemm_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 68 | uint8_t kernel_zero_point, |
| 69 | float scale, |
| 70 | uint8_t output_zero_point, |
| 71 | uint8_t output_min, |
| 72 | uint8_t output_max) |
| 73 | { |
| 74 | // Compute requantization parameters. |
| 75 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 76 | |
| 77 | // Multiplier is in [0x40000000, 0x7FFFFF80] range. |
| 78 | const int32_t multiplier = (int32_t)(((scale_bits & UINT32_C(0x007FFFFF)) | UINT32_C(0x00800000)) << 7); |
| 79 | assert(multiplier >= INT32_C(0x40000000)); |
| 80 | assert(multiplier <= INT32_C(0x7FFFFF80)); |
| 81 | |
| 82 | // Shift is in [0, 31] range. |
| 83 | const int32_t shift = 127 + 31 - 32 - (fp32_to_bits(scale) >> 23); |
| 84 | assert(shift >= 0); |
| 85 | assert(shift < 32); |
| 86 | |
Marat Dukhan | 08b7a97 | 2020-07-14 18:17:29 -0700 | [diff] [blame] | 87 | union xnn_qu8_gemm_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 88 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 89 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 90 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 91 | for (uint32_t i = 0; i < 8; i++) { |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 92 | params.sse2.kernel_zero_point[i] = (int16_t) (uint16_t) kernel_zero_point; |
| 93 | } |
| 94 | params.sse2.multiplier[0] = multiplier; |
| 95 | params.sse2.multiplier[1] = multiplier; |
| 96 | params.sse2.multiplier[2] = multiplier; |
| 97 | params.sse2.multiplier[3] = multiplier; |
| 98 | params.sse2.rounding[0] = UINT64_C(0x40000000); |
| 99 | params.sse2.rounding[1] = UINT64_C(0x40000000); |
| 100 | params.sse2.remainder_mask[0] = (int32_t) remainder_mask; |
| 101 | params.sse2.remainder_mask[1] = (int32_t) remainder_mask; |
| 102 | params.sse2.remainder_mask[2] = (int32_t) remainder_mask; |
| 103 | params.sse2.remainder_mask[3] = (int32_t) remainder_mask; |
| 104 | params.sse2.remainder_threshold[0] = (int32_t) remainder_threshold; |
| 105 | params.sse2.remainder_threshold[1] = (int32_t) remainder_threshold; |
| 106 | params.sse2.remainder_threshold[2] = (int32_t) remainder_threshold; |
| 107 | params.sse2.remainder_threshold[3] = (int32_t) remainder_threshold; |
| 108 | params.sse2.shift[0] = (uint64_t) (uint32_t) shift; |
| 109 | params.sse2.shift[1] = (uint64_t) (uint32_t) shift; |
| 110 | for (uint32_t i = 0; i < 8; i++) { |
| 111 | params.sse2.output_zero_point[i] = (int16_t) (uint16_t) output_zero_point; |
| 112 | } |
| 113 | for (uint32_t i = 0; i < 16; i++) { |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 114 | params.sse2.output_min[i] = output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 115 | params.sse2.output_max[i] = output_max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 116 | } |
| 117 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
Marat Dukhan | 9199246 | 2020-07-30 00:06:34 -0700 | [diff] [blame] | 118 | params.neon.kernel_zero_point = (int32_t) (uint32_t) kernel_zero_point; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 119 | params.neon.multiplier = multiplier; |
| 120 | params.neon.right_shift = -shift; |
| 121 | params.neon.output_zero_point = (int16_t) (uint16_t) output_zero_point; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 122 | params.neon.output_min = output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 123 | params.neon.output_max = output_max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 124 | #else |
| 125 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 126 | const uint32_t remainder_threshold = remainder_mask >> 1; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 127 | params.scalar.kernel_zero_point = (int32_t) (uint32_t) kernel_zero_point; |
| 128 | params.scalar.multiplier = multiplier; |
| 129 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 130 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 131 | params.scalar.shift = (uint32_t) shift; |
| 132 | params.scalar.output_min_less_zero_point = |
| 133 | (int32_t) (uint32_t) output_min - (int32_t) (uint32_t) output_zero_point; |
| 134 | params.scalar.output_max_less_zero_point = |
| 135 | (int32_t) (uint32_t) output_max - (int32_t) (uint32_t) output_zero_point; |
| 136 | params.scalar.output_zero_point = (int32_t) (uint32_t) output_zero_point; |
| 137 | #endif |
| 138 | return params; |
| 139 | } |
| 140 | |
Marat Dukhan | 595e170 | 2020-07-31 10:12:52 -0700 | [diff] [blame] | 141 | static inline union xnn_qs8_gemm_params xnn_init_scalar_qs8_gemm_params( |
| 142 | float scale, |
| 143 | int8_t output_zero_point, |
| 144 | int8_t output_min, |
| 145 | int8_t output_max) |
| 146 | { |
| 147 | // Compute requantization parameters |
| 148 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 149 | |
| 150 | // Multiplier is in [0x40000000, 0x7FFFFF80] range. |
| 151 | const int32_t multiplier = (int32_t)(((scale_bits & UINT32_C(0x007FFFFF)) | UINT32_C(0x00800000)) << 7); |
| 152 | assert(multiplier >= INT32_C(0x40000000)); |
| 153 | assert(multiplier <= INT32_C(0x7FFFFF80)); |
| 154 | |
| 155 | // Shift is in [0, 31] range. |
| 156 | const int32_t shift = 127 + 31 - 32 - (fp32_to_bits(scale) >> 23); |
| 157 | assert(shift >= 0); |
| 158 | assert(shift < 32); |
| 159 | |
| 160 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 161 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 162 | |
| 163 | union xnn_qs8_gemm_params params; |
| 164 | params.scalar.multiplier = multiplier; |
| 165 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 166 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 167 | params.scalar.shift = (uint32_t) shift; |
| 168 | params.scalar.output_min_less_zero_point = (int32_t) output_min - (int32_t) output_zero_point; |
| 169 | params.scalar.output_max_less_zero_point = (int32_t) output_max - (int32_t) output_zero_point; |
| 170 | params.scalar.output_zero_point = (int32_t) output_zero_point; |
| 171 | return params; |
| 172 | } |
| 173 | |
| 174 | static inline union xnn_qs8_gemm_params xnn_init_qs8_gemm_params( |
| 175 | float scale, |
| 176 | int8_t output_zero_point, |
| 177 | int8_t output_min, |
| 178 | int8_t output_max) |
| 179 | { |
| 180 | // Compute requantization parameters. |
| 181 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 182 | |
| 183 | // Multiplier is in [0x40000000, 0x7FFFFF80] range. |
| 184 | const int32_t multiplier = (int32_t)(((scale_bits & UINT32_C(0x007FFFFF)) | UINT32_C(0x00800000)) << 7); |
| 185 | assert(multiplier >= INT32_C(0x40000000)); |
| 186 | assert(multiplier <= INT32_C(0x7FFFFF80)); |
| 187 | |
| 188 | // Shift is in [0, 31] range. |
| 189 | const int32_t shift = 127 + 31 - 32 - (fp32_to_bits(scale) >> 23); |
| 190 | assert(shift >= 0); |
| 191 | assert(shift < 32); |
| 192 | |
| 193 | union xnn_qs8_gemm_params params; |
| 194 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 195 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 196 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 197 | params.sse2.multiplier[0] = multiplier; |
| 198 | params.sse2.multiplier[1] = multiplier; |
| 199 | params.sse2.multiplier[2] = multiplier; |
| 200 | params.sse2.multiplier[3] = multiplier; |
| 201 | params.sse2.rounding[0] = UINT64_C(0x40000000); |
| 202 | params.sse2.rounding[1] = UINT64_C(0x40000000); |
| 203 | params.sse2.remainder_mask[0] = (int32_t) remainder_mask; |
| 204 | params.sse2.remainder_mask[1] = (int32_t) remainder_mask; |
| 205 | params.sse2.remainder_mask[2] = (int32_t) remainder_mask; |
| 206 | params.sse2.remainder_mask[3] = (int32_t) remainder_mask; |
| 207 | params.sse2.remainder_threshold[0] = (int32_t) remainder_threshold; |
| 208 | params.sse2.remainder_threshold[1] = (int32_t) remainder_threshold; |
| 209 | params.sse2.remainder_threshold[2] = (int32_t) remainder_threshold; |
| 210 | params.sse2.remainder_threshold[3] = (int32_t) remainder_threshold; |
| 211 | params.sse2.shift[0] = (uint64_t) (uint32_t) shift; |
| 212 | params.sse2.shift[1] = (uint64_t) (uint32_t) shift; |
| 213 | for (uint32_t i = 0; i < 8; i++) { |
| 214 | params.sse2.output_zero_point[i] = (int16_t) output_zero_point; |
| 215 | params.sse2.output_min[i] = (int16_t) output_min; |
| 216 | params.sse2.output_max[i] = (int16_t) output_max; |
| 217 | } |
| 218 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
| 219 | params.neon.multiplier = multiplier; |
| 220 | params.neon.right_shift = -shift; |
| 221 | params.neon.output_zero_point = (int16_t) output_zero_point; |
| 222 | params.neon.output_min = output_min; |
| 223 | params.neon.output_max = output_max; |
Marat Dukhan | 27203da | 2020-08-05 15:19:03 -0700 | [diff] [blame] | 224 | #elif XNN_ARCH_WASMSIMD |
| 225 | const int64_t twice_multiplier = INT64_C(2) * (int64_t) multiplier; |
| 226 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 227 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 228 | params.wasmsimd.multiplier[0] = twice_multiplier; |
| 229 | params.wasmsimd.multiplier[1] = twice_multiplier; |
| 230 | params.wasmsimd.rounding[0] = INT64_C(0x80000000); |
| 231 | params.wasmsimd.rounding[1] = INT64_C(0x80000000); |
| 232 | params.wasmsimd.remainder_mask[0] = (int32_t) remainder_mask; |
| 233 | params.wasmsimd.remainder_mask[1] = (int32_t) remainder_mask; |
| 234 | params.wasmsimd.remainder_mask[2] = (int32_t) remainder_mask; |
| 235 | params.wasmsimd.remainder_mask[3] = (int32_t) remainder_mask; |
| 236 | params.wasmsimd.remainder_threshold[0] = (int32_t) remainder_threshold; |
| 237 | params.wasmsimd.remainder_threshold[1] = (int32_t) remainder_threshold; |
| 238 | params.wasmsimd.remainder_threshold[2] = (int32_t) remainder_threshold; |
| 239 | params.wasmsimd.remainder_threshold[3] = (int32_t) remainder_threshold; |
| 240 | params.wasmsimd.shift = shift; |
| 241 | for (uint32_t i = 0; i < 8; i++) { |
| 242 | params.wasmsimd.output_zero_point[i] = (int16_t) output_zero_point; |
| 243 | } |
| 244 | for (uint32_t i = 0; i < 16; i++) { |
| 245 | params.wasmsimd.output_min[i] = output_min; |
| 246 | params.wasmsimd.output_max[i] = output_max; |
| 247 | } |
Marat Dukhan | 595e170 | 2020-07-31 10:12:52 -0700 | [diff] [blame] | 248 | #else |
| 249 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 250 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 251 | params.scalar.multiplier = multiplier; |
| 252 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 253 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 254 | params.scalar.shift = (uint32_t) shift; |
| 255 | params.scalar.output_min_less_zero_point = (int32_t) output_min - (int32_t) output_zero_point; |
| 256 | params.scalar.output_max_less_zero_point = (int32_t) output_max - (int32_t) output_zero_point; |
| 257 | params.scalar.output_zero_point = (int32_t) output_zero_point; |
| 258 | #endif |
| 259 | return params; |
| 260 | } |
| 261 | |
Marat Dukhan | 683fab3 | 2020-08-03 19:42:52 -0700 | [diff] [blame] | 262 | static inline union xnn_qs8_gemm_xw_params xnn_init_scalar_qs8_gemm_xw_params( |
| 263 | float scale, |
| 264 | int8_t output_zero_point, |
| 265 | int8_t output_min, |
| 266 | int8_t output_max) |
| 267 | { |
| 268 | union { |
| 269 | union xnn_qs8_gemm_xw_params gemm_xw; |
| 270 | union xnn_qs8_gemm_params gemm; |
| 271 | } params; |
| 272 | params.gemm = xnn_init_scalar_qs8_gemm_params(scale, output_zero_point, output_min, output_max); |
| 273 | return params.gemm_xw; |
| 274 | } |
| 275 | |
| 276 | static inline union xnn_qs8_gemm_xw_params xnn_init_qs8_gemm_xw_params( |
| 277 | float scale, |
| 278 | int8_t output_zero_point, |
| 279 | int8_t output_min, |
| 280 | int8_t output_max) |
| 281 | { |
| 282 | union { |
| 283 | union xnn_qs8_gemm_xw_params gemm_xw; |
| 284 | union xnn_qs8_gemm_params gemm; |
| 285 | } params; |
| 286 | params.gemm = xnn_init_qs8_gemm_params(scale, output_zero_point, output_min, output_max); |
| 287 | return params.gemm_xw; |
| 288 | } |
| 289 | |
Marat Dukhan | 08b7a97 | 2020-07-14 18:17:29 -0700 | [diff] [blame] | 290 | static inline union xnn_qu8_avgpool_params xnn_init_qu8_avgpool_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 291 | int32_t bias, |
| 292 | float scale, |
| 293 | uint8_t output_zero_point, |
| 294 | uint8_t output_min, |
| 295 | uint8_t output_max) |
| 296 | { |
| 297 | // Compute requantization parameters. |
| 298 | assert(scale >= 0x1.0p-32f); |
| 299 | assert(scale < 256.0f); |
| 300 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 301 | |
| 302 | // Multiplier is in [0x00800000, 0x00FFFFFF] range. |
| 303 | const int32_t multiplier = ((int32_t) scale_bits & INT32_C(0x007FFFFF)) | INT32_C(0x00800000); |
| 304 | assert(multiplier >= INT32_C(0x00800000)); |
| 305 | assert(multiplier <= INT32_C(0x00FFFFFF)); |
| 306 | |
| 307 | // Shift is in [16, 55] range. |
| 308 | const int32_t shift = 127 + 23 - (scale_bits >> 23); |
| 309 | assert(shift >= 16); |
| 310 | assert(shift < 64); |
| 311 | |
Marat Dukhan | 08b7a97 | 2020-07-14 18:17:29 -0700 | [diff] [blame] | 312 | union xnn_qu8_avgpool_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 313 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 314 | const uint32_t right_shift = (uint32_t) shift; |
| 315 | const uint64_t rounding = UINT64_C(1) << (right_shift - 1); |
| 316 | params.sse2.bias[0] = bias; |
| 317 | params.sse2.bias[1] = bias; |
| 318 | params.sse2.bias[2] = bias; |
| 319 | params.sse2.bias[3] = bias; |
| 320 | params.sse2.multiplier[0] = (uint32_t) multiplier; |
| 321 | params.sse2.multiplier[1] = (uint32_t) multiplier; |
| 322 | params.sse2.multiplier[2] = (uint32_t) multiplier; |
| 323 | params.sse2.multiplier[3] = (uint32_t) multiplier; |
| 324 | params.sse2.rounding[0] = rounding; |
| 325 | params.sse2.rounding[1] = rounding; |
| 326 | params.sse2.right_shift[0] = (uint64_t) right_shift; |
| 327 | params.sse2.right_shift[1] = (uint64_t) right_shift; |
| 328 | for (uint32_t i = 0; i < 8; i++) { |
| 329 | params.sse2.output_zero_point[i] = (int16_t) (uint16_t) output_zero_point; |
| 330 | } |
| 331 | for (uint32_t i = 0; i < 16; i++) { |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 332 | params.sse2.output_min[i] = output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 333 | params.sse2.output_max[i] = output_max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 334 | } |
| 335 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
| 336 | params.neon.bias = bias; |
| 337 | params.neon.multiplier = multiplier; |
| 338 | params.neon.left_shift = (int64_t) -shift; |
| 339 | params.neon.output_zero_point = (int16_t) (uint16_t) output_zero_point; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 340 | params.neon.output_min = output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 341 | params.neon.output_max = output_max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 342 | #else |
| 343 | const uint32_t right_shift = (uint32_t) shift; |
| 344 | const int64_t rounding = INT64_C(1) << (right_shift - 1); |
| 345 | params.scalar.bias = bias; |
| 346 | params.scalar.multiplier = multiplier; |
| 347 | params.scalar.rounding = rounding; |
| 348 | params.scalar.right_shift = right_shift; |
| 349 | params.scalar.output_min_less_zero_point = |
| 350 | (int32_t) (uint32_t) output_min - (int32_t) (uint32_t) output_zero_point; |
| 351 | params.scalar.output_max_less_zero_point = |
| 352 | (int32_t) (uint32_t) output_max - (int32_t) (uint32_t) output_zero_point; |
| 353 | params.scalar.output_zero_point = (int32_t) (uint32_t) output_zero_point; |
| 354 | #endif |
| 355 | return params; |
| 356 | } |
| 357 | |
Marat Dukhan | 08b7a97 | 2020-07-14 18:17:29 -0700 | [diff] [blame] | 358 | static inline union xnn_qu8_avgpool_params xnn_init_scalar_qu8_avgpool_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 359 | int32_t bias, |
| 360 | float scale, |
| 361 | uint8_t output_zero_point, |
| 362 | uint8_t output_min, |
| 363 | uint8_t output_max) |
| 364 | { |
| 365 | // Compute requantization parameters. |
| 366 | assert(scale >= 0x1.0p-32f); |
| 367 | assert(scale < 256.0f); |
| 368 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 369 | |
| 370 | // Multiplier is in [0x00800000, 0x00FFFFFF] range. |
| 371 | const int32_t multiplier = ((int32_t) scale_bits & INT32_C(0x007FFFFF)) | INT32_C(0x00800000); |
| 372 | assert(multiplier >= INT32_C(0x00800000)); |
| 373 | assert(multiplier <= INT32_C(0x00FFFFFF)); |
| 374 | |
| 375 | // Shift is in [16, 55] range. |
| 376 | const int32_t shift = 127 + 23 - (scale_bits >> 23); |
| 377 | assert(shift >= 16); |
| 378 | assert(shift < 64); |
| 379 | |
Marat Dukhan | 08b7a97 | 2020-07-14 18:17:29 -0700 | [diff] [blame] | 380 | union xnn_qu8_avgpool_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 381 | const uint32_t right_shift = (uint32_t) shift; |
| 382 | const int64_t rounding = INT64_C(1) << (right_shift - 1); |
| 383 | params.scalar.bias = bias; |
| 384 | params.scalar.rounding = rounding; |
| 385 | params.scalar.multiplier = multiplier; |
| 386 | params.scalar.right_shift = right_shift; |
| 387 | params.scalar.output_min_less_zero_point = |
| 388 | (int32_t) (uint32_t) output_min - (int32_t) (uint32_t) output_zero_point; |
| 389 | params.scalar.output_max_less_zero_point = |
| 390 | (int32_t) (uint32_t) output_max - (int32_t) (uint32_t) output_zero_point; |
| 391 | params.scalar.output_zero_point = (int32_t) (uint32_t) output_zero_point; |
| 392 | return params; |
| 393 | } |
| 394 | |
Marat Dukhan | 54e95a0 | 2020-08-06 23:55:13 -0700 | [diff] [blame] | 395 | static inline void xnn_update_qu8_avgpool_params( |
| 396 | union xnn_qu8_avgpool_params* params, |
| 397 | int32_t bias, |
| 398 | float scale) |
| 399 | { |
| 400 | // Compute requantization parameters. |
| 401 | assert(scale >= 0x1.0p-32f); |
| 402 | assert(scale < 256.0f); |
| 403 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 404 | |
| 405 | // Multiplier is in [0x00800000, 0x00FFFFFF] range. |
| 406 | const int32_t multiplier = ((int32_t) scale_bits & INT32_C(0x007FFFFF)) | INT32_C(0x00800000); |
| 407 | assert(multiplier >= INT32_C(0x00800000)); |
| 408 | assert(multiplier <= INT32_C(0x00FFFFFF)); |
| 409 | |
| 410 | // Shift is in [16, 55] range. |
| 411 | const int32_t shift = 127 + 23 - (scale_bits >> 23); |
| 412 | assert(shift >= 16); |
| 413 | assert(shift < 64); |
| 414 | |
| 415 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 416 | const uint64_t rounding = UINT64_C(1) << ((uint32_t) shift - 1); |
| 417 | params->sse2.bias[0] = bias; |
| 418 | params->sse2.bias[1] = bias; |
| 419 | params->sse2.bias[2] = bias; |
| 420 | params->sse2.bias[3] = bias; |
| 421 | params->sse2.multiplier[0] = (uint32_t) multiplier; |
| 422 | params->sse2.multiplier[1] = (uint32_t) multiplier; |
| 423 | params->sse2.multiplier[2] = (uint32_t) multiplier; |
| 424 | params->sse2.multiplier[3] = (uint32_t) multiplier; |
| 425 | params->sse2.rounding[0] = rounding; |
| 426 | params->sse2.rounding[1] = rounding; |
| 427 | params->sse2.right_shift[0] = (uint64_t) (uint32_t) shift; |
| 428 | params->sse2.right_shift[1] = (uint64_t) (uint32_t) shift; |
| 429 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
| 430 | params->neon.bias = bias; |
| 431 | params->neon.multiplier = multiplier; |
| 432 | params->neon.left_shift = (int64_t) -shift; |
| 433 | #else |
| 434 | const int64_t rounding = INT64_C(1) << ((uint32_t) shift - 1); |
| 435 | params->scalar.bias = bias; |
| 436 | params->scalar.multiplier = multiplier; |
| 437 | params->scalar.rounding = rounding; |
| 438 | params->scalar.right_shift = (uint32_t) shift; |
| 439 | #endif |
| 440 | } |
| 441 | |
Marat Dukhan | 4ed53f4 | 2020-08-06 01:12:55 -0700 | [diff] [blame] | 442 | static inline union xnn_qs8_avgpool_params xnn_init_qs8_avgpool_params( |
| 443 | int32_t bias, |
| 444 | float scale, |
| 445 | int8_t output_zero_point, |
| 446 | int8_t output_min, |
| 447 | int8_t output_max) |
| 448 | { |
| 449 | // Compute requantization parameters. |
| 450 | assert(scale >= 0x1.0p-32f); |
| 451 | assert(scale < 256.0f); |
| 452 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 453 | |
| 454 | // Multiplier is in [0x00800000, 0x00FFFFFF] range. |
| 455 | const int32_t multiplier = ((int32_t) scale_bits & INT32_C(0x007FFFFF)) | INT32_C(0x00800000); |
| 456 | assert(multiplier >= INT32_C(0x00800000)); |
| 457 | assert(multiplier <= INT32_C(0x00FFFFFF)); |
| 458 | |
| 459 | // Shift is in [16, 55] range. |
| 460 | const int32_t shift = 127 + 23 - (scale_bits >> 23); |
| 461 | assert(shift >= 16); |
| 462 | assert(shift < 64); |
| 463 | |
| 464 | union xnn_qs8_avgpool_params params; |
| 465 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
Marat Dukhan | ef45180 | 2020-08-06 11:53:47 -0700 | [diff] [blame] | 466 | const uint64_t rounding = UINT64_C(1) << ((uint32_t) shift - 1); |
Marat Dukhan | 4ed53f4 | 2020-08-06 01:12:55 -0700 | [diff] [blame] | 467 | params.sse2.bias[0] = bias; |
| 468 | params.sse2.bias[1] = bias; |
| 469 | params.sse2.bias[2] = bias; |
| 470 | params.sse2.bias[3] = bias; |
| 471 | params.sse2.multiplier[0] = (uint32_t) multiplier; |
| 472 | params.sse2.multiplier[1] = (uint32_t) multiplier; |
| 473 | params.sse2.multiplier[2] = (uint32_t) multiplier; |
| 474 | params.sse2.multiplier[3] = (uint32_t) multiplier; |
| 475 | params.sse2.rounding[0] = rounding; |
| 476 | params.sse2.rounding[1] = rounding; |
Marat Dukhan | ef45180 | 2020-08-06 11:53:47 -0700 | [diff] [blame] | 477 | params.sse2.shift[0] = (uint64_t) (uint32_t) shift; |
| 478 | params.sse2.shift[1] = (uint64_t) (uint32_t) shift; |
Marat Dukhan | 4ed53f4 | 2020-08-06 01:12:55 -0700 | [diff] [blame] | 479 | for (uint32_t i = 0; i < 8; i++) { |
| 480 | params.sse2.output_zero_point[i] = (int16_t) output_zero_point; |
| 481 | params.sse2.output_min[i] = (int16_t) output_min; |
| 482 | params.sse2.output_max[i] = (int16_t) output_max; |
| 483 | } |
| 484 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
| 485 | params.neon.bias = bias; |
| 486 | params.neon.multiplier = multiplier; |
| 487 | params.neon.left_shift = (int64_t) -shift; |
| 488 | params.neon.output_zero_point = (int16_t) output_zero_point; |
| 489 | params.neon.output_min = output_min; |
| 490 | params.neon.output_max = output_max; |
Marat Dukhan | ef45180 | 2020-08-06 11:53:47 -0700 | [diff] [blame] | 491 | #elif XNN_ARCH_WASMSIMD |
| 492 | const int64_t rounding = INT64_C(1) << ((uint32_t) shift - 1); |
| 493 | params.wasmsimd.bias[0] = bias; |
| 494 | params.wasmsimd.bias[1] = bias; |
| 495 | params.wasmsimd.bias[2] = bias; |
| 496 | params.wasmsimd.bias[3] = bias; |
| 497 | params.wasmsimd.multiplier[0] = (int64_t) multiplier; |
| 498 | params.wasmsimd.multiplier[1] = (int64_t) multiplier; |
| 499 | params.wasmsimd.rounding[0] = rounding; |
| 500 | params.wasmsimd.rounding[1] = rounding; |
| 501 | params.wasmsimd.shift = shift; |
| 502 | for (uint32_t i = 0; i < 8; i++) { |
| 503 | params.wasmsimd.output_zero_point[i] = (int16_t) output_zero_point; |
| 504 | } |
| 505 | for (uint32_t i = 0; i < 16; i++) { |
| 506 | params.wasmsimd.output_min[i] = output_min; |
| 507 | params.wasmsimd.output_max[i] = output_max; |
| 508 | } |
Marat Dukhan | 4ed53f4 | 2020-08-06 01:12:55 -0700 | [diff] [blame] | 509 | #else |
Marat Dukhan | ef45180 | 2020-08-06 11:53:47 -0700 | [diff] [blame] | 510 | const int64_t rounding = INT64_C(1) << ((uint32_t) shift - 1); |
Marat Dukhan | 4ed53f4 | 2020-08-06 01:12:55 -0700 | [diff] [blame] | 511 | params.scalar.bias = bias; |
| 512 | params.scalar.multiplier = multiplier; |
| 513 | params.scalar.rounding = rounding; |
Marat Dukhan | ef45180 | 2020-08-06 11:53:47 -0700 | [diff] [blame] | 514 | params.scalar.shift = (uint32_t) shift; |
Marat Dukhan | 4ed53f4 | 2020-08-06 01:12:55 -0700 | [diff] [blame] | 515 | params.scalar.output_min_less_zero_point = (int32_t) output_min - (int32_t) output_zero_point; |
| 516 | params.scalar.output_max_less_zero_point = (int32_t) output_max - (int32_t) output_zero_point; |
| 517 | params.scalar.output_zero_point = (int32_t) output_zero_point; |
| 518 | #endif |
| 519 | return params; |
| 520 | } |
| 521 | |
| 522 | static inline union xnn_qs8_avgpool_params xnn_init_scalar_qs8_avgpool_params( |
| 523 | int32_t bias, |
| 524 | float scale, |
| 525 | int8_t output_zero_point, |
| 526 | int8_t output_min, |
| 527 | int8_t output_max) |
| 528 | { |
| 529 | // Compute requantization parameters. |
| 530 | assert(scale >= 0x1.0p-32f); |
| 531 | assert(scale < 256.0f); |
| 532 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 533 | |
| 534 | // Multiplier is in [0x00800000, 0x00FFFFFF] range. |
| 535 | const int32_t multiplier = ((int32_t) scale_bits & INT32_C(0x007FFFFF)) | INT32_C(0x00800000); |
| 536 | assert(multiplier >= INT32_C(0x00800000)); |
| 537 | assert(multiplier <= INT32_C(0x00FFFFFF)); |
| 538 | |
| 539 | // Shift is in [16, 55] range. |
| 540 | const int32_t shift = 127 + 23 - (scale_bits >> 23); |
| 541 | assert(shift >= 16); |
| 542 | assert(shift < 64); |
| 543 | |
| 544 | union xnn_qs8_avgpool_params params; |
Marat Dukhan | ef45180 | 2020-08-06 11:53:47 -0700 | [diff] [blame] | 545 | const int64_t rounding = INT64_C(1) << ((uint32_t) shift - 1); |
Marat Dukhan | 4ed53f4 | 2020-08-06 01:12:55 -0700 | [diff] [blame] | 546 | params.scalar.bias = bias; |
| 547 | params.scalar.rounding = rounding; |
| 548 | params.scalar.multiplier = multiplier; |
Marat Dukhan | ef45180 | 2020-08-06 11:53:47 -0700 | [diff] [blame] | 549 | params.scalar.shift = shift; |
Marat Dukhan | 4ed53f4 | 2020-08-06 01:12:55 -0700 | [diff] [blame] | 550 | params.scalar.output_min_less_zero_point = (int32_t) output_min - (int32_t) output_zero_point; |
| 551 | params.scalar.output_max_less_zero_point = (int32_t) output_max - (int32_t) output_zero_point; |
| 552 | params.scalar.output_zero_point = (int32_t) output_zero_point; |
| 553 | return params; |
| 554 | } |
| 555 | |
Marat Dukhan | 9e0b539 | 2020-08-07 02:29:34 -0700 | [diff] [blame] | 556 | static inline void xnn_update_qs8_avgpool_params( |
| 557 | union xnn_qs8_avgpool_params* params, |
| 558 | int32_t bias, |
| 559 | float scale) |
| 560 | { |
| 561 | // Compute requantization parameters. |
| 562 | assert(scale >= 0x1.0p-32f); |
| 563 | assert(scale < 256.0f); |
| 564 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 565 | |
| 566 | // Multiplier is in [0x00800000, 0x00FFFFFF] range. |
| 567 | const int32_t multiplier = ((int32_t) scale_bits & INT32_C(0x007FFFFF)) | INT32_C(0x00800000); |
| 568 | assert(multiplier >= INT32_C(0x00800000)); |
| 569 | assert(multiplier <= INT32_C(0x00FFFFFF)); |
| 570 | |
| 571 | // Shift is in [16, 55] range. |
| 572 | const int32_t shift = 127 + 23 - (scale_bits >> 23); |
| 573 | assert(shift >= 16); |
| 574 | assert(shift < 64); |
| 575 | |
| 576 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 577 | const uint64_t rounding = UINT64_C(1) << ((uint32_t) shift - 1); |
| 578 | params->sse2.bias[0] = bias; |
| 579 | params->sse2.bias[1] = bias; |
| 580 | params->sse2.bias[2] = bias; |
| 581 | params->sse2.bias[3] = bias; |
| 582 | params->sse2.multiplier[0] = (uint32_t) multiplier; |
| 583 | params->sse2.multiplier[1] = (uint32_t) multiplier; |
| 584 | params->sse2.multiplier[2] = (uint32_t) multiplier; |
| 585 | params->sse2.multiplier[3] = (uint32_t) multiplier; |
| 586 | params->sse2.rounding[0] = rounding; |
| 587 | params->sse2.rounding[1] = rounding; |
| 588 | params->sse2.shift[0] = (uint64_t) (uint32_t) shift; |
| 589 | params->sse2.shift[1] = (uint64_t) (uint32_t) shift; |
| 590 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
| 591 | params->neon.bias = bias; |
| 592 | params->neon.multiplier = multiplier; |
| 593 | params->neon.left_shift = (int64_t) -shift; |
Marat Dukhan | 4de076d | 2020-08-08 23:29:52 -0700 | [diff] [blame] | 594 | #elif XNN_ARCH_WASMSIMD |
| 595 | const int64_t rounding = INT64_C(1) << ((uint32_t) shift - 1); |
| 596 | params->wasmsimd.bias[0] = bias; |
| 597 | params->wasmsimd.bias[1] = bias; |
| 598 | params->wasmsimd.bias[2] = bias; |
| 599 | params->wasmsimd.bias[3] = bias; |
| 600 | params->wasmsimd.multiplier[0] = (int64_t) multiplier; |
| 601 | params->wasmsimd.multiplier[1] = (int64_t) multiplier; |
| 602 | params->wasmsimd.rounding[0] = rounding; |
| 603 | params->wasmsimd.rounding[1] = rounding; |
| 604 | params->wasmsimd.shift = shift; |
Marat Dukhan | 9e0b539 | 2020-08-07 02:29:34 -0700 | [diff] [blame] | 605 | #else |
| 606 | const int64_t rounding = INT64_C(1) << ((uint32_t) shift - 1); |
| 607 | params->scalar.bias = bias; |
| 608 | params->scalar.multiplier = multiplier; |
| 609 | params->scalar.rounding = rounding; |
| 610 | params->scalar.shift = (uint32_t) shift; |
| 611 | #endif |
| 612 | } |
| 613 | |
Frank Barchard | 7e2cbb0 | 2020-06-12 01:22:13 -0700 | [diff] [blame] | 614 | static inline void xnn_update_f16_scaleminmax_params( |
| 615 | struct xnn_f16_scaleminmax_params* params, |
| 616 | uint16_t scale) |
| 617 | { |
| 618 | params->scale = scale; |
| 619 | } |
| 620 | |
Marat Dukhan | 8452ff5 | 2020-04-08 20:44:58 -0700 | [diff] [blame] | 621 | static inline void xnn_update_f32_scaleminmax_params( |
| 622 | union xnn_f32_scaleminmax_params* params, |
| 623 | float scale) |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 624 | { |
| 625 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 626 | for (uint32_t i = 0; i < 4; i++) { |
Marat Dukhan | 8452ff5 | 2020-04-08 20:44:58 -0700 | [diff] [blame] | 627 | params->sse2.scale[i] = scale; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 628 | } |
| 629 | #else |
Marat Dukhan | 8452ff5 | 2020-04-08 20:44:58 -0700 | [diff] [blame] | 630 | params->scalar.scale = scale; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 631 | #endif |
| 632 | } |
| 633 | |
Frank Barchard | 7e2cbb0 | 2020-06-12 01:22:13 -0700 | [diff] [blame] | 634 | static inline struct xnn_f16_scaleminmax_params xnn_init_f16_scaleminmax_params( |
| 635 | uint16_t scale, |
| 636 | uint16_t min, |
| 637 | uint16_t max) |
| 638 | { |
| 639 | struct xnn_f16_scaleminmax_params params; |
| 640 | params.scale = scale; |
| 641 | params.min = min; |
| 642 | params.max = max; |
| 643 | return params; |
| 644 | } |
| 645 | |
Marat Dukhan | 8452ff5 | 2020-04-08 20:44:58 -0700 | [diff] [blame] | 646 | static inline union xnn_f32_scaleminmax_params xnn_init_f32_scaleminmax_params( |
| 647 | float scale, |
| 648 | float min, |
| 649 | float max) |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 650 | { |
Marat Dukhan | 8452ff5 | 2020-04-08 20:44:58 -0700 | [diff] [blame] | 651 | union xnn_f32_scaleminmax_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 652 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 653 | for (uint32_t i = 0; i < 4; i++) { |
Marat Dukhan | 8452ff5 | 2020-04-08 20:44:58 -0700 | [diff] [blame] | 654 | params.sse2.scale[i] = scale; |
| 655 | params.sse2.min[i] = min; |
| 656 | params.sse2.max[i] = max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 657 | } |
| 658 | #else |
Marat Dukhan | 8452ff5 | 2020-04-08 20:44:58 -0700 | [diff] [blame] | 659 | params.scalar.scale = scale; |
| 660 | params.scalar.min = min; |
| 661 | params.scalar.max = max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 662 | #endif |
| 663 | return params; |
| 664 | } |
| 665 | |
| 666 | static inline union xnn_f32_gavgpool_params xnn_init_f32_gavgpool_params( |
| 667 | float multiplier, |
| 668 | float output_min, |
| 669 | float output_max, |
| 670 | uint32_t width) |
| 671 | { |
| 672 | union xnn_f32_gavgpool_params params; |
| 673 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 674 | for (uint32_t i = 0; i < 4; i++) { |
| 675 | params.sse.multiplier[i] = multiplier; |
| 676 | params.sse.output_min[i] = output_min; |
| 677 | params.sse.output_max[i] = output_max; |
| 678 | } |
| 679 | |
| 680 | const uint32_t w = (width - 1) & 3; |
| 681 | params.sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 682 | params.sse.mask[1] = -(uint32_t) (w >= 1); |
| 683 | params.sse.mask[2] = -(uint32_t) (w >= 2); |
| 684 | params.sse.mask[3] = -(uint32_t) (w >= 3); |
| 685 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
| 686 | params.neon.multiplier = multiplier; |
| 687 | params.neon.output_min = output_min; |
| 688 | params.neon.output_max = output_max; |
| 689 | |
| 690 | const uint32_t w = (width - 1) & 3; |
| 691 | params.neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 692 | params.neon.mask[1] = -(uint32_t) (w >= 1); |
| 693 | params.neon.mask[2] = -(uint32_t) (w >= 2); |
| 694 | params.neon.mask[3] = -(uint32_t) (w >= 3); |
| 695 | #else |
| 696 | params.scalar.multiplier = multiplier; |
| 697 | params.scalar.output_min = output_min; |
| 698 | params.scalar.output_max = output_max; |
Erich Elsen | 6f278b5 | 2020-06-10 16:13:11 -0700 | [diff] [blame] | 699 | |
| 700 | const uint32_t w = (width - 1) & 3; |
| 701 | params.scalar.mask[0] = UINT32_C(0xFFFFFFFF); |
| 702 | params.scalar.mask[1] = -(int32_t) (w >= 1); |
| 703 | params.scalar.mask[2] = -(int32_t) (w >= 2); |
| 704 | params.scalar.mask[3] = -(int32_t) (w >= 3); |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 705 | #endif |
| 706 | return params; |
| 707 | } |
| 708 | |
| 709 | static inline void xnn_update_f32_gavgpool_params( |
| 710 | union xnn_f32_gavgpool_params* params, |
| 711 | float multiplier, |
| 712 | uint32_t width) |
| 713 | { |
| 714 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 715 | for (uint32_t i = 0; i < 4; i++) { |
| 716 | params->sse.multiplier[i] = multiplier; |
| 717 | } |
| 718 | |
| 719 | const uint32_t w = (width - 1) & 3; |
| 720 | params->sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 721 | params->sse.mask[1] = -(uint32_t) (w >= 1); |
| 722 | params->sse.mask[2] = -(uint32_t) (w >= 2); |
| 723 | params->sse.mask[3] = -(uint32_t) (w >= 3); |
| 724 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
| 725 | params->neon.multiplier = multiplier; |
| 726 | |
| 727 | const uint32_t w = (width - 1) & 3; |
| 728 | params->neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 729 | params->neon.mask[1] = -(uint32_t) (w >= 1); |
| 730 | params->neon.mask[2] = -(uint32_t) (w >= 2); |
| 731 | params->neon.mask[3] = -(uint32_t) (w >= 3); |
| 732 | #else |
| 733 | params->scalar.multiplier = multiplier; |
Erich Elsen | 6f278b5 | 2020-06-10 16:13:11 -0700 | [diff] [blame] | 734 | |
| 735 | const uint32_t w = (width - 1) & 3; |
| 736 | params->scalar.mask[0] = UINT32_C(0xFFFFFFFF); |
Marat Dukhan | 548e830 | 2020-08-04 15:03:46 -0700 | [diff] [blame] | 737 | params->scalar.mask[1] = -(int32_t) (w >= 1); |
| 738 | params->scalar.mask[2] = -(int32_t) (w >= 2); |
| 739 | params->scalar.mask[3] = -(int32_t) (w >= 3); |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 740 | #endif |
| 741 | } |
| 742 | |
Marat Dukhan | 8452ff5 | 2020-04-08 20:44:58 -0700 | [diff] [blame] | 743 | static inline union xnn_f32_scaleminmax_params xnn_init_scalar_f32_scaleminmax_params( |
| 744 | float scale, |
| 745 | float min, |
| 746 | float max) |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 747 | { |
Marat Dukhan | 8452ff5 | 2020-04-08 20:44:58 -0700 | [diff] [blame] | 748 | union xnn_f32_scaleminmax_params params; |
| 749 | params.scalar.scale = scale; |
| 750 | params.scalar.min = min; |
| 751 | params.scalar.max = max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 752 | return params; |
| 753 | } |
| 754 | |
| 755 | static inline union xnn_f32_gavgpool_params xnn_init_scalar_f32_gavgpool_params( |
| 756 | float multiplier, |
| 757 | float output_min, |
| 758 | float output_max, |
| 759 | uint32_t width) |
| 760 | { |
| 761 | union xnn_f32_gavgpool_params params; |
| 762 | params.scalar.multiplier = multiplier; |
| 763 | params.scalar.output_min = output_min; |
| 764 | params.scalar.output_max = output_max; |
Erich Elsen | 6f278b5 | 2020-06-10 16:13:11 -0700 | [diff] [blame] | 765 | |
| 766 | const uint32_t w = (width - 1) & 3; |
| 767 | params.scalar.mask[0] = UINT32_C(0xFFFFFFFF); |
| 768 | params.scalar.mask[1] = -(int32_t) (w >= 1); |
| 769 | params.scalar.mask[2] = -(int32_t) (w >= 2); |
| 770 | params.scalar.mask[3] = -(int32_t) (w >= 3); |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 771 | return params; |
| 772 | } |
| 773 | |
Frank Barchard | d793f6c | 2020-05-08 13:37:43 -0700 | [diff] [blame] | 774 | static inline struct xnn_f16_minmax_params xnn_init_f16_minmax_params( |
| 775 | uint16_t min, |
| 776 | uint16_t max) |
| 777 | { |
| 778 | struct xnn_f16_minmax_params params; |
| 779 | params.min = min; |
| 780 | params.max = max; |
| 781 | return params; |
| 782 | } |
| 783 | |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 784 | static inline union xnn_f32_minmax_params xnn_init_f32_minmax_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 785 | float output_min, |
| 786 | float output_max) |
| 787 | { |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 788 | union xnn_f32_minmax_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 789 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 790 | for (uint32_t i = 0; i < 4; i++) { |
| 791 | params.sse.min[i] = output_min; |
| 792 | params.sse.max[i] = output_max; |
| 793 | } |
| 794 | #else |
| 795 | params.scalar.min = output_min; |
| 796 | params.scalar.max = output_max; |
| 797 | #endif |
| 798 | return params; |
| 799 | } |
| 800 | |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 801 | static inline union xnn_f32_minmax_params xnn_init_scalar_f32_minmax_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 802 | float output_min, |
| 803 | float output_max) |
| 804 | { |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 805 | union xnn_f32_minmax_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 806 | params.scalar.min = output_min; |
| 807 | params.scalar.max = output_max; |
| 808 | return params; |
| 809 | } |
| 810 | |
Frank Barchard | b196659 | 2020-05-12 13:47:06 -0700 | [diff] [blame] | 811 | static inline struct xnn_f16_hswish_params xnn_init_f16_hswish_params(void) |
| 812 | { |
| 813 | struct xnn_f16_hswish_params params; |
Marat Dukhan | 201ea0e | 2020-07-10 22:47:19 -0700 | [diff] [blame] | 814 | params.sixth = UINT16_C(0x3155); |
| 815 | params.three = UINT16_C(0x4200); |
| 816 | params.six = UINT16_C(0x4600); |
Frank Barchard | b196659 | 2020-05-12 13:47:06 -0700 | [diff] [blame] | 817 | return params; |
| 818 | } |
| 819 | |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 820 | static inline union xnn_f32_hswish_params xnn_init_f32_hswish_params(void) |
| 821 | { |
| 822 | union xnn_f32_hswish_params params; |
| 823 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 824 | for (uint32_t i = 0; i < 4; i++) { |
| 825 | params.sse.sixth[i] = 0x1.555556p-3f; |
| 826 | params.sse.half[i] = 0.5f; |
| 827 | params.sse.one[i] = 1.0f; |
| 828 | } |
| 829 | #else |
| 830 | params.scalar.sixth = 0x1.555556p-3f; |
Marat Dukhan | 9df9dc6 | 2020-07-10 20:08:49 -0700 | [diff] [blame] | 831 | params.scalar.three = 3.0f; |
| 832 | params.scalar.six = 6.0f; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 833 | #endif |
| 834 | return params; |
| 835 | } |
| 836 | |
| 837 | static inline union xnn_f32_hswish_params xnn_init_scalar_f32_hswish_params(void) |
| 838 | { |
| 839 | union xnn_f32_hswish_params params; |
| 840 | params.scalar.sixth = 0x1.555556p-3f; |
Marat Dukhan | 9df9dc6 | 2020-07-10 20:08:49 -0700 | [diff] [blame] | 841 | params.scalar.three = 3.0f; |
| 842 | params.scalar.six = 6.0f; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 843 | return params; |
| 844 | } |
| 845 | |
Marat Dukhan | 2b9efd8 | 2020-06-08 01:09:31 -0700 | [diff] [blame] | 846 | static inline union xnn_f32_abs_params xnn_init_f32_abs_params(void) |
| 847 | { |
| 848 | union xnn_f32_abs_params params = { 0 }; |
| 849 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 850 | for (uint32_t i = 0; i < 4; i++) { |
| 851 | params.sse.nonsign_mask[i] = math_nonsign_mask_f32(); |
| 852 | } |
Marat Dukhan | 37c8351 | 2020-06-29 13:25:53 -0700 | [diff] [blame] | 853 | #elif XNN_ARCH_WASMSIMD |
| 854 | params.wasmsimd.nonsign_mask = math_nonsign_mask_f32(); |
Marat Dukhan | 2b9efd8 | 2020-06-08 01:09:31 -0700 | [diff] [blame] | 855 | #endif |
| 856 | return params; |
| 857 | } |
| 858 | |
| 859 | static inline union xnn_f32_abs_params xnn_init_scalar_f32_abs_params(void) |
| 860 | { |
| 861 | union xnn_f32_abs_params params = { 0 }; |
| 862 | return params; |
| 863 | } |
| 864 | |
| 865 | static inline union xnn_f32_neg_params xnn_init_f32_neg_params(void) |
| 866 | { |
| 867 | union xnn_f32_neg_params params = { 0 }; |
| 868 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 869 | for (uint32_t i = 0; i < 4; i++) { |
| 870 | params.sse.sign_mask[i] = -0.0f; |
| 871 | } |
Marat Dukhan | 37c8351 | 2020-06-29 13:25:53 -0700 | [diff] [blame] | 872 | #elif XNN_ARCH_WASMSIMD |
| 873 | params.wasmsimd.sign_mask = -0.0f; |
Marat Dukhan | 2b9efd8 | 2020-06-08 01:09:31 -0700 | [diff] [blame] | 874 | #endif |
| 875 | return params; |
| 876 | } |
| 877 | |
| 878 | static inline union xnn_f32_neg_params xnn_init_scalar_f32_neg_params(void) |
| 879 | { |
| 880 | union xnn_f32_neg_params params = { 0 }; |
| 881 | return params; |
| 882 | } |
| 883 | |
Marat Dukhan | eecf8fd | 2020-06-09 08:59:37 -0700 | [diff] [blame] | 884 | static inline union xnn_f32_rnd_params xnn_init_f32_rnd_params(void) |
| 885 | { |
| 886 | union xnn_f32_rnd_params params = { 0 }; |
| 887 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 888 | for (uint32_t i = 0; i < 4; i++) { |
| 889 | params.sse2.sign_mask[i] = -0.0f; |
| 890 | } |
| 891 | for (uint32_t i = 0; i < 4; i++) { |
| 892 | params.sse2.one[i] = 1.0f; |
| 893 | } |
| 894 | #endif |
| 895 | return params; |
| 896 | } |
| 897 | |
| 898 | static inline union xnn_f32_rnd_params xnn_init_scalar_f32_rnd_params(void) |
| 899 | { |
| 900 | union xnn_f32_rnd_params params = { 0 }; |
| 901 | return params; |
| 902 | } |
| 903 | |
Marat Dukhan | ed6baaf | 2020-12-01 15:07:08 -0800 | [diff] [blame] | 904 | static inline union xnn_f32_elu_params xnn_init_f32_elu_params(float prescale, float alpha, float beta) |
| 905 | { |
| 906 | union xnn_f32_elu_params params; |
| 907 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 908 | for (uint32_t i = 0; i < 4; i++) { |
| 909 | params.sse.prescale[i] = prescale; |
| 910 | params.sse.alpha[i] = alpha; |
| 911 | params.sse.beta[i] = beta; |
| 912 | } |
| 913 | #else |
| 914 | params.scalar.prescale = prescale; |
| 915 | params.scalar.alpha = alpha; |
| 916 | params.scalar.beta = beta; |
| 917 | #endif |
| 918 | return params; |
| 919 | } |
| 920 | |
| 921 | static inline union xnn_f32_elu_params xnn_init_scalar_f32_elu_params(float prescale, float alpha, float beta) |
| 922 | { |
| 923 | union xnn_f32_elu_params params; |
| 924 | params.scalar.prescale = prescale; |
| 925 | params.scalar.alpha = alpha; |
| 926 | params.scalar.beta = beta; |
| 927 | return params; |
| 928 | } |
| 929 | |
Marat Dukhan | 8cc7efe | 2020-06-10 16:24:27 -0700 | [diff] [blame] | 930 | static inline union xnn_f32_lrelu_params xnn_init_f32_lrelu_params(float slope) |
| 931 | { |
| 932 | union xnn_f32_lrelu_params params; |
| 933 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 934 | for (uint32_t i = 0; i < 4; i++) { |
| 935 | params.sse.slope[i] = slope; |
| 936 | } |
| 937 | #else |
| 938 | params.scalar.slope = slope; |
| 939 | #endif |
| 940 | return params; |
| 941 | } |
| 942 | |
| 943 | static inline union xnn_f32_lrelu_params xnn_init_scalar_f32_lrelu_params(float slope) |
| 944 | { |
| 945 | union xnn_f32_lrelu_params params; |
| 946 | params.scalar.slope = slope; |
| 947 | return params; |
| 948 | } |
| 949 | |
Marat Dukhan | f4db2f3 | 2020-06-30 10:55:30 -0700 | [diff] [blame] | 950 | static inline union xnn_f32_sqrt_params xnn_init_f32_sqrt_params(void) |
| 951 | { |
| 952 | union xnn_f32_sqrt_params params = { 0 }; |
| 953 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 954 | params.fma.half = 0.5f; |
| 955 | #endif |
| 956 | return params; |
| 957 | } |
| 958 | |
| 959 | static inline union xnn_f32_sqrt_params xnn_init_scalar_f32_sqrt_params(void) |
| 960 | { |
| 961 | union xnn_f32_sqrt_params params = { 0 }; |
| 962 | return params; |
| 963 | } |
| 964 | |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame] | 965 | static inline union xnn_f32_chw_params xnn_init_f32_chw_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 966 | uint32_t width, |
| 967 | float output_min, |
| 968 | float output_max) |
| 969 | { |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame] | 970 | union xnn_f32_chw_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 971 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 972 | for (uint32_t i = 0; i < 4; i++) { |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 973 | params.sse.min[i] = output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 974 | params.sse.max[i] = output_max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 975 | } |
| 976 | |
| 977 | const uint32_t w4 = (width - 1) & 3; |
| 978 | params.sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 979 | params.sse.mask[1] = -(uint32_t) (w4 >= 1); |
| 980 | params.sse.mask[2] = -(uint32_t) (w4 >= 2); |
| 981 | params.sse.mask[3] = -(uint32_t) (w4 >= 3); |
| 982 | |
| 983 | const uint32_t w8 = (width - 1) & 7; |
| 984 | params.sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 985 | params.sse.mask_even[1] = -(uint32_t) (w8 >= 2); |
| 986 | params.sse.mask_even[2] = -(uint32_t) (w8 >= 4); |
| 987 | params.sse.mask_even[3] = -(uint32_t) (w8 >= 6); |
| 988 | params.sse.mask_odd[0] = -(uint32_t) (w8 >= 1); |
| 989 | params.sse.mask_odd[1] = -(uint32_t) (w8 >= 3); |
| 990 | params.sse.mask_odd[2] = -(uint32_t) (w8 >= 5); |
| 991 | params.sse.mask_odd[3] = -(uint32_t) (w8 >= 7); |
| 992 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 993 | params.neon.min = output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 994 | params.neon.max = output_max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 995 | |
| 996 | const uint32_t w4 = (width - 1) & 3; |
| 997 | params.neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 998 | params.neon.mask[1] = -(uint32_t) (w4 >= 1); |
| 999 | params.neon.mask[2] = -(uint32_t) (w4 >= 2); |
| 1000 | params.neon.mask[3] = -(uint32_t) (w4 >= 3); |
| 1001 | |
| 1002 | const uint32_t w8 = (width - 1) & 7; |
| 1003 | params.neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 1004 | params.neon.mask_even[1] = -(uint32_t) (w8 >= 2); |
| 1005 | params.neon.mask_even[2] = -(uint32_t) (w8 >= 4); |
| 1006 | params.neon.mask_even[3] = -(uint32_t) (w8 >= 6); |
| 1007 | params.neon.mask_odd[0] = -(uint32_t) (w8 >= 1); |
| 1008 | params.neon.mask_odd[1] = -(uint32_t) (w8 >= 3); |
| 1009 | params.neon.mask_odd[2] = -(uint32_t) (w8 >= 5); |
| 1010 | params.neon.mask_odd[3] = -(uint32_t) (w8 >= 7); |
| 1011 | #else |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1012 | params.scalar.min = output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 1013 | params.scalar.max = output_max; |
Erich Elsen | e6214af | 2020-06-10 22:17:22 -0700 | [diff] [blame] | 1014 | |
| 1015 | const uint32_t w4 = (width - 1) & 3; |
Marat Dukhan | faa2e5c | 2020-07-10 17:34:44 -0700 | [diff] [blame] | 1016 | params.scalar.mask[0] = UINT32_C(0xFFFFFFFF); |
| 1017 | params.scalar.mask[1] = -(uint32_t) (w4 >= 1); |
| 1018 | params.scalar.mask[2] = -(uint32_t) (w4 >= 2); |
| 1019 | params.scalar.mask[3] = -(uint32_t) (w4 >= 3); |
Erich Elsen | fd7a6e3 | 2020-06-11 12:04:44 -0700 | [diff] [blame] | 1020 | |
| 1021 | const uint32_t w8 = (width - 1) & 7; |
Marat Dukhan | faa2e5c | 2020-07-10 17:34:44 -0700 | [diff] [blame] | 1022 | params.scalar.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 1023 | params.scalar.mask_even[1] = -(uint32_t) (w8 >= 2); |
| 1024 | params.scalar.mask_even[2] = -(uint32_t) (w8 >= 4); |
| 1025 | params.scalar.mask_even[3] = -(uint32_t) (w8 >= 6); |
| 1026 | params.scalar.mask_odd[0] = -(uint32_t) (w8 >= 1); |
| 1027 | params.scalar.mask_odd[1] = -(uint32_t) (w8 >= 3); |
| 1028 | params.scalar.mask_odd[2] = -(uint32_t) (w8 >= 5); |
| 1029 | params.scalar.mask_odd[3] = -(uint32_t) (w8 >= 7); |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1030 | #endif |
| 1031 | return params; |
| 1032 | } |
| 1033 | |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame] | 1034 | static inline void xnn_update_f32_chw_params( |
| 1035 | union xnn_f32_chw_params* params, |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1036 | uint32_t width) |
| 1037 | { |
| 1038 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 1039 | const uint32_t w4 = (width - 1) & 3; |
| 1040 | params->sse.mask[0] = UINT32_C(0xFFFFFFFF); |
| 1041 | params->sse.mask[1] = -(uint32_t) (w4 >= 1); |
| 1042 | params->sse.mask[2] = -(uint32_t) (w4 >= 2); |
| 1043 | params->sse.mask[3] = -(uint32_t) (w4 >= 3); |
| 1044 | |
| 1045 | const uint32_t w8 = (width - 1) & 7; |
| 1046 | params->sse.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 1047 | params->sse.mask_even[1] = -(uint32_t) (w8 >= 2); |
| 1048 | params->sse.mask_even[2] = -(uint32_t) (w8 >= 4); |
| 1049 | params->sse.mask_even[3] = -(uint32_t) (w8 >= 6); |
| 1050 | params->sse.mask_odd[0] = -(uint32_t) (w8 >= 1); |
| 1051 | params->sse.mask_odd[1] = -(uint32_t) (w8 >= 3); |
| 1052 | params->sse.mask_odd[2] = -(uint32_t) (w8 >= 5); |
| 1053 | params->sse.mask_odd[3] = -(uint32_t) (w8 >= 7); |
| 1054 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
| 1055 | const uint32_t w4 = (width - 1) & 3; |
| 1056 | params->neon.mask[0] = UINT32_C(0xFFFFFFFF); |
| 1057 | params->neon.mask[1] = -(uint32_t) (w4 >= 1); |
| 1058 | params->neon.mask[2] = -(uint32_t) (w4 >= 2); |
| 1059 | params->neon.mask[3] = -(uint32_t) (w4 >= 3); |
| 1060 | |
| 1061 | const uint32_t w8 = (width - 1) & 7; |
| 1062 | params->neon.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 1063 | params->neon.mask_even[1] = -(uint32_t) (w8 >= 2); |
| 1064 | params->neon.mask_even[2] = -(uint32_t) (w8 >= 4); |
| 1065 | params->neon.mask_even[3] = -(uint32_t) (w8 >= 6); |
| 1066 | params->neon.mask_odd[0] = -(uint32_t) (w8 >= 1); |
| 1067 | params->neon.mask_odd[1] = -(uint32_t) (w8 >= 3); |
| 1068 | params->neon.mask_odd[2] = -(uint32_t) (w8 >= 5); |
| 1069 | params->neon.mask_odd[3] = -(uint32_t) (w8 >= 7); |
Marat Dukhan | faa2e5c | 2020-07-10 17:34:44 -0700 | [diff] [blame] | 1070 | #else |
| 1071 | const uint32_t w4 = (width - 1) & 3; |
| 1072 | params->scalar.mask[0] = UINT32_C(0xFFFFFFFF); |
| 1073 | params->scalar.mask[1] = -(uint32_t) (w4 >= 1); |
| 1074 | params->scalar.mask[2] = -(uint32_t) (w4 >= 2); |
| 1075 | params->scalar.mask[3] = -(uint32_t) (w4 >= 3); |
| 1076 | |
| 1077 | const uint32_t w8 = (width - 1) & 7; |
| 1078 | params->scalar.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 1079 | params->scalar.mask_even[1] = -(uint32_t) (w8 >= 2); |
| 1080 | params->scalar.mask_even[2] = -(uint32_t) (w8 >= 4); |
| 1081 | params->scalar.mask_even[3] = -(uint32_t) (w8 >= 6); |
| 1082 | params->scalar.mask_odd[0] = -(uint32_t) (w8 >= 1); |
| 1083 | params->scalar.mask_odd[1] = -(uint32_t) (w8 >= 3); |
| 1084 | params->scalar.mask_odd[2] = -(uint32_t) (w8 >= 5); |
| 1085 | params->scalar.mask_odd[3] = -(uint32_t) (w8 >= 7); |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1086 | #endif |
| 1087 | } |
| 1088 | |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame] | 1089 | static inline union xnn_f32_chw_params xnn_init_scalar_f32_chw_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1090 | uint32_t width, |
| 1091 | float output_min, |
| 1092 | float output_max) |
| 1093 | { |
Marat Dukhan | 1f29b80 | 2020-05-15 23:46:39 -0700 | [diff] [blame] | 1094 | union xnn_f32_chw_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1095 | params.scalar.min = output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 1096 | params.scalar.max = output_max; |
Erich Elsen | e6214af | 2020-06-10 22:17:22 -0700 | [diff] [blame] | 1097 | |
| 1098 | const uint32_t w4 = (width - 1) & 3; |
Marat Dukhan | faa2e5c | 2020-07-10 17:34:44 -0700 | [diff] [blame] | 1099 | params.scalar.mask[0] = UINT32_C(0xFFFFFFFF); |
| 1100 | params.scalar.mask[1] = -(uint32_t) (w4 >= 1); |
| 1101 | params.scalar.mask[2] = -(uint32_t) (w4 >= 2); |
| 1102 | params.scalar.mask[3] = -(uint32_t) (w4 >= 3); |
Erich Elsen | fd7a6e3 | 2020-06-11 12:04:44 -0700 | [diff] [blame] | 1103 | |
| 1104 | const uint32_t w8 = (width - 1) & 7; |
Marat Dukhan | faa2e5c | 2020-07-10 17:34:44 -0700 | [diff] [blame] | 1105 | params.scalar.mask_even[0] = UINT32_C(0xFFFFFFFF); |
| 1106 | params.scalar.mask_even[1] = -(uint32_t) (w8 >= 2); |
| 1107 | params.scalar.mask_even[2] = -(uint32_t) (w8 >= 4); |
| 1108 | params.scalar.mask_even[3] = -(uint32_t) (w8 >= 6); |
| 1109 | params.scalar.mask_odd[0] = -(uint32_t) (w8 >= 1); |
| 1110 | params.scalar.mask_odd[1] = -(uint32_t) (w8 >= 3); |
| 1111 | params.scalar.mask_odd[2] = -(uint32_t) (w8 >= 5); |
| 1112 | params.scalar.mask_odd[3] = -(uint32_t) (w8 >= 7); |
Erich Elsen | fd7a6e3 | 2020-06-11 12:04:44 -0700 | [diff] [blame] | 1113 | |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1114 | return params; |
| 1115 | } |
| 1116 | |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 1117 | static inline union xnn_u8_minmax_params xnn_init_u8_minmax_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1118 | uint8_t output_min, |
| 1119 | uint8_t output_max) |
| 1120 | { |
| 1121 | assert(output_min < output_max); |
| 1122 | |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 1123 | union xnn_u8_minmax_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1124 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 1125 | for (uint32_t i = 0; i < 16; i++) { |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1126 | params.sse2.min[i] = output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 1127 | params.sse2.max[i] = output_max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1128 | } |
| 1129 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1130 | params.neon.min = output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 1131 | params.neon.max = output_max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1132 | #else |
| 1133 | params.scalar.min = (int32_t) (uint32_t) output_min; |
| 1134 | params.scalar.max = (int32_t) (uint32_t) output_max; |
| 1135 | #endif |
| 1136 | return params; |
| 1137 | } |
| 1138 | |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 1139 | static inline union xnn_u8_minmax_params xnn_init_scalar_u8_minmax_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1140 | uint8_t output_min, |
| 1141 | uint8_t output_max) |
| 1142 | { |
| 1143 | assert(output_min < output_max); |
| 1144 | |
Marat Dukhan | eb09a6b | 2020-04-08 17:34:32 -0700 | [diff] [blame] | 1145 | union xnn_u8_minmax_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1146 | params.scalar.min = (int32_t) (uint32_t) output_min; |
| 1147 | params.scalar.max = (int32_t) (uint32_t) output_max; |
| 1148 | return params; |
| 1149 | } |
| 1150 | |
Marat Dukhan | 08b7a97 | 2020-07-14 18:17:29 -0700 | [diff] [blame] | 1151 | static inline union xnn_qu8_add_params xnn_init_qu8_add_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1152 | uint8_t a_zero_point, |
| 1153 | uint8_t b_zero_point, |
| 1154 | uint8_t output_zero_point, |
| 1155 | float a_output_scale, |
| 1156 | float b_output_scale, |
| 1157 | uint8_t output_min, |
| 1158 | uint8_t output_max) |
| 1159 | { |
| 1160 | assert(a_output_scale >= 0x1.0p-14f); |
| 1161 | assert(b_output_scale >= 0x1.0p-14f); |
| 1162 | assert(a_output_scale < 0x1.0p+8f); |
| 1163 | assert(b_output_scale < 0x1.0p+8f); |
| 1164 | |
| 1165 | // Compute requantization parameters. |
Marat Dukhan | d9f3ad4 | 2020-08-10 12:30:58 -0700 | [diff] [blame] | 1166 | const float max_output_scale = math_max_f32(a_output_scale, b_output_scale); |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1167 | assert(max_output_scale >= 0x1.0p-14f); |
| 1168 | assert(max_output_scale < 0x1.0p+8f); |
| 1169 | const uint32_t max_scale_bits = fp32_to_bits(max_output_scale); |
| 1170 | const int32_t max_scale_exponent = (int32_t) (max_scale_bits >> 23) - 127; |
| 1171 | // Shift is in [13, 31] range. |
| 1172 | const uint32_t shift = (uint32_t) (21 - max_scale_exponent); |
| 1173 | assert(shift < 32); |
| 1174 | assert(shift >= 13); |
| 1175 | |
| 1176 | const float scale_multiplier = fp32_from_bits((uint32_t) (21 - max_scale_exponent + 127) << 23); |
| 1177 | |
| 1178 | // Multipliers are in [0, 2**22) range, largest multiplier is in [2**21, 2**22) range. |
Marat Dukhan | ef3e7dc | 2020-04-13 01:19:56 -0700 | [diff] [blame] | 1179 | const uint32_t a_multiplier = (uint32_t) (int32_t) lrintf(a_output_scale * scale_multiplier); |
| 1180 | const uint32_t b_multiplier = (uint32_t) (int32_t) lrintf(b_output_scale * scale_multiplier); |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1181 | assert((a_multiplier > b_multiplier ? a_multiplier : b_multiplier) >= UINT32_C(0x00200000)); |
| 1182 | assert(a_multiplier < UINT32_C(0x00400000)); |
| 1183 | assert(b_multiplier < UINT32_C(0x00400000)); |
| 1184 | |
Marat Dukhan | 08b7a97 | 2020-07-14 18:17:29 -0700 | [diff] [blame] | 1185 | union xnn_qu8_add_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1186 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 1187 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 1188 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 1189 | const int32_t zero_point_product = |
| 1190 | (int32_t) -(a_multiplier * (uint32_t) a_zero_point + b_multiplier * (uint32_t) b_zero_point); |
| 1191 | for (uint32_t i = 0; i < 4; i++) { |
| 1192 | params.sse2.zero_point_product[i] = zero_point_product; |
| 1193 | } |
| 1194 | for (uint32_t i = 0; i < 8; i++) { |
| 1195 | params.sse2.y_zero_point[i] = (int16_t) (uint16_t) output_zero_point; |
| 1196 | } |
| 1197 | for (uint32_t i = 0; i < 8; i++) { |
| 1198 | params.sse2.a_multiplier_lo[i] = (uint16_t) (uint32_t) a_multiplier; |
| 1199 | params.sse2.a_multiplier_hi[i] = (uint16_t) ((uint32_t) a_multiplier >> 16); |
| 1200 | params.sse2.b_multiplier_lo[i] = (uint16_t) (uint32_t) b_multiplier; |
| 1201 | params.sse2.b_multiplier_hi[i] = (uint16_t) ((uint32_t) b_multiplier >> 16); |
| 1202 | } |
| 1203 | params.sse2.a_multiplier = a_multiplier; |
| 1204 | params.sse2.b_multiplier = b_multiplier; |
| 1205 | for (uint32_t i = 0; i < 4; i++) { |
| 1206 | params.sse2.remainder_mask[i] = remainder_mask; |
| 1207 | params.sse2.remainder_threshold[i] = remainder_threshold; |
| 1208 | } |
| 1209 | params.sse2.shift = shift; |
| 1210 | for (uint32_t i = 0; i < 16; i++) { |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1211 | params.sse2.y_min[i] = output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 1212 | params.sse2.y_max[i] = output_max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1213 | } |
| 1214 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
| 1215 | params.neon.a_zero_point = a_zero_point; |
| 1216 | params.neon.b_zero_point = b_zero_point; |
| 1217 | params.neon.y_zero_point = (int16_t) (uint16_t) output_zero_point; |
| 1218 | params.neon.a_multiplier = (int32_t) a_multiplier; |
| 1219 | params.neon.b_multiplier = (int32_t) b_multiplier; |
| 1220 | params.neon.right_shift = (int32_t) -shift; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1221 | params.neon.y_min = output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 1222 | params.neon.y_max = output_max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1223 | #else |
| 1224 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 1225 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 1226 | params.scalar.zero_point_product = |
| 1227 | (int32_t) -(a_multiplier * (uint32_t) a_zero_point + b_multiplier * (uint32_t) b_zero_point); |
| 1228 | params.scalar.a_multiplier = a_multiplier; |
| 1229 | params.scalar.b_multiplier = b_multiplier; |
| 1230 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 1231 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 1232 | params.scalar.shift = shift; |
| 1233 | params.scalar.y_zero_point = (int32_t) (uint32_t) output_zero_point; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1234 | params.scalar.y_min = (int32_t) (uint32_t) output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 1235 | params.scalar.y_max = (int32_t) (uint32_t) output_max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1236 | #endif |
| 1237 | return params; |
| 1238 | } |
| 1239 | |
Marat Dukhan | 08b7a97 | 2020-07-14 18:17:29 -0700 | [diff] [blame] | 1240 | static inline union xnn_qu8_add_params xnn_init_scalar_qu8_add_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1241 | uint8_t a_zero_point, |
| 1242 | uint8_t b_zero_point, |
| 1243 | uint8_t output_zero_point, |
| 1244 | float a_output_scale, |
| 1245 | float b_output_scale, |
| 1246 | uint8_t output_min, |
| 1247 | uint8_t output_max) |
| 1248 | { |
| 1249 | assert(a_output_scale >= 0x1.0p-10f); |
| 1250 | assert(b_output_scale >= 0x1.0p-10f); |
| 1251 | assert(a_output_scale < 0x1.0p+8f); |
| 1252 | assert(b_output_scale < 0x1.0p+8f); |
| 1253 | |
| 1254 | // Compute requantization parameters. |
Marat Dukhan | d9f3ad4 | 2020-08-10 12:30:58 -0700 | [diff] [blame] | 1255 | const float max_output_scale = math_max_f32(a_output_scale, b_output_scale); |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1256 | assert(max_output_scale >= 0x1.0p-10f); |
| 1257 | assert(max_output_scale < 0x1.0p+8f); |
| 1258 | const uint32_t max_scale_bits = fp32_to_bits(max_output_scale); |
| 1259 | const int32_t max_scale_exponent = (int32_t) (max_scale_bits >> 23) - 127; |
| 1260 | // Shift is in [13, 31] range. |
| 1261 | const uint32_t shift = (uint32_t) (21 - max_scale_exponent); |
| 1262 | assert(shift < 32); |
| 1263 | assert(shift >= 13); |
| 1264 | |
| 1265 | // Multipliers are in [0, 2**22) range, largest multiplier is in [2**21, 2**22) range. |
Marat Dukhan | ef3e7dc | 2020-04-13 01:19:56 -0700 | [diff] [blame] | 1266 | const uint32_t a_multiplier = (uint32_t) (int32_t) lrintf(fp32_from_bits(fp32_to_bits(a_output_scale) + (shift << 23))); |
| 1267 | const uint32_t b_multiplier = (uint32_t) (int32_t) lrintf(fp32_from_bits(fp32_to_bits(b_output_scale) + (shift << 23))); |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1268 | assert((a_multiplier > b_multiplier ? a_multiplier : b_multiplier) >= UINT32_C(0x00200000)); |
| 1269 | assert(a_multiplier < UINT32_C(0x00400000)); |
| 1270 | assert(b_multiplier < UINT32_C(0x00400000)); |
| 1271 | |
Marat Dukhan | 08b7a97 | 2020-07-14 18:17:29 -0700 | [diff] [blame] | 1272 | union xnn_qu8_add_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1273 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 1274 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 1275 | params.scalar.zero_point_product = |
| 1276 | (int32_t) -(a_multiplier * (uint32_t) a_zero_point + b_multiplier * (uint32_t) b_zero_point); |
| 1277 | params.scalar.a_multiplier = a_multiplier; |
| 1278 | params.scalar.b_multiplier = b_multiplier; |
| 1279 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 1280 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 1281 | params.scalar.shift = shift; |
| 1282 | params.scalar.y_zero_point = (int32_t) (uint32_t) output_zero_point; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1283 | params.scalar.y_min = (int32_t) (uint32_t) output_min; |
Marat Dukhan | a51cf48 | 2020-04-08 16:16:19 -0700 | [diff] [blame] | 1284 | params.scalar.y_max = (int32_t) (uint32_t) output_max; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1285 | return params; |
| 1286 | } |
| 1287 | |
Marat Dukhan | d9f3ad4 | 2020-08-10 12:30:58 -0700 | [diff] [blame] | 1288 | static inline union xnn_qs8_add_params xnn_init_qs8_add_params( |
| 1289 | int8_t x_zero_point, |
| 1290 | int8_t y_zero_point, |
| 1291 | int8_t output_zero_point, |
| 1292 | float x_output_scale, |
| 1293 | float y_output_scale, |
| 1294 | int8_t output_min, |
| 1295 | int8_t output_max) |
| 1296 | { |
| 1297 | assert(x_output_scale >= 0x1.0p-14f); |
| 1298 | assert(y_output_scale >= 0x1.0p-14f); |
| 1299 | assert(x_output_scale < 0x1.0p+8f); |
| 1300 | assert(y_output_scale < 0x1.0p+8f); |
| 1301 | |
| 1302 | // Compute requantization parameters. |
| 1303 | const float max_output_scale = math_max_f32(x_output_scale, y_output_scale); |
| 1304 | assert(max_output_scale >= 0x1.0p-14f); |
| 1305 | assert(max_output_scale < 0x1.0p+8f); |
| 1306 | const uint32_t max_scale_bits = fp32_to_bits(max_output_scale); |
| 1307 | const int32_t max_scale_exponent = (int32_t) (max_scale_bits >> 23) - 127; |
| 1308 | // Shift is in [13, 31] range. |
| 1309 | const uint32_t shift = (uint32_t) (21 - max_scale_exponent); |
| 1310 | assert(shift < 32); |
| 1311 | assert(shift >= 13); |
| 1312 | |
| 1313 | const float scale_multiplier = fp32_from_bits((uint32_t) (21 - max_scale_exponent + 127) << 23); |
| 1314 | |
| 1315 | // Multipliers are in [0, 2**22) range, largest multiplier is in [2**21, 2**22) range. |
| 1316 | const int32_t x_multiplier = (int32_t) lrintf(x_output_scale * scale_multiplier); |
| 1317 | const int32_t y_multiplier = (int32_t) lrintf(y_output_scale * scale_multiplier); |
| 1318 | assert((x_multiplier > y_multiplier ? x_multiplier : y_multiplier) >= INT32_C(0x00200000)); |
| 1319 | assert(x_multiplier < INT32_C(0x00400000)); |
| 1320 | assert(y_multiplier < INT32_C(0x00400000)); |
| 1321 | |
| 1322 | union xnn_qs8_add_params params; |
| 1323 | #if XNN_ARCH_X86 || XNN_ARCH_X86_64 |
| 1324 | const int32_t remainder_mask = (INT32_C(1) << shift) - INT32_C(1); |
| 1325 | const int32_t remainder_threshold = (int32_t) ((uint32_t) remainder_mask >> 1); |
| 1326 | const int32_t zero_point_product = |
| 1327 | (int32_t) -(x_multiplier * (int32_t) x_zero_point + y_multiplier * (int32_t) y_zero_point); |
| 1328 | for (uint32_t i = 0; i < 4; i++) { |
| 1329 | params.sse2.zero_point_product[i] = zero_point_product; |
| 1330 | } |
| 1331 | const uint16_t x_multiplier_lo = (uint16_t) x_multiplier; |
| 1332 | const uint16_t x_multiplier_hi = (uint16_t) ((uint32_t) x_multiplier >> 16); |
| 1333 | const uint16_t y_multiplier_lo = (uint16_t) y_multiplier; |
| 1334 | const uint16_t y_multiplier_hi = (uint16_t) ((uint32_t) y_multiplier >> 16); |
| 1335 | for (uint32_t i = 0; i < 8; i++) { |
| 1336 | params.sse2.x_multiplier_lo[i] = x_multiplier_lo; |
| 1337 | params.sse2.x_multiplier_hi[i] = x_multiplier_hi; |
| 1338 | params.sse2.y_multiplier_lo[i] = y_multiplier_lo; |
| 1339 | params.sse2.y_multiplier_hi[i] = y_multiplier_hi; |
| 1340 | } |
| 1341 | params.sse2.shift = shift; |
| 1342 | for (uint32_t i = 0; i < 4; i++) { |
Marat Dukhan | bb9225e | 2020-09-06 22:40:56 -0700 | [diff] [blame] | 1343 | params.sse2.x_multiplier[i] = x_multiplier; |
| 1344 | params.sse2.y_multiplier[i] = y_multiplier; |
Marat Dukhan | d9f3ad4 | 2020-08-10 12:30:58 -0700 | [diff] [blame] | 1345 | params.sse2.remainder_mask[i] = remainder_mask; |
| 1346 | params.sse2.remainder_threshold[i] = remainder_threshold; |
| 1347 | } |
| 1348 | for (uint32_t i = 0; i < 8; i++) { |
| 1349 | params.sse2.output_zero_point[i] = (int16_t) output_zero_point; |
| 1350 | params.sse2.output_min[i] = (int16_t) output_min; |
| 1351 | params.sse2.output_max[i] = (int16_t) output_max; |
| 1352 | } |
| 1353 | #elif XNN_ARCH_ARM || XNN_ARCH_ARM64 |
| 1354 | params.neon.x_zero_point = x_zero_point; |
| 1355 | params.neon.y_zero_point = y_zero_point; |
Marat Dukhan | d9f3ad4 | 2020-08-10 12:30:58 -0700 | [diff] [blame] | 1356 | params.neon.x_multiplier = (int32_t) x_multiplier; |
| 1357 | params.neon.y_multiplier = (int32_t) y_multiplier; |
| 1358 | params.neon.right_shift = (int32_t) -shift; |
Marat Dukhan | ba7b279 | 2020-09-02 14:26:45 -0700 | [diff] [blame] | 1359 | params.neon.output_zero_point = (int16_t) output_zero_point; |
Marat Dukhan | d9f3ad4 | 2020-08-10 12:30:58 -0700 | [diff] [blame] | 1360 | params.neon.output_min = output_min; |
| 1361 | params.neon.output_max = output_max; |
Marat Dukhan | 5df27f8 | 2020-09-02 23:59:21 -0700 | [diff] [blame] | 1362 | #elif XNN_ARCH_WASMSIMD |
| 1363 | const int32_t remainder_mask = (INT32_C(1) << shift) - INT32_C(1); |
| 1364 | const int32_t remainder_threshold = (int32_t) ((uint32_t) remainder_mask >> 1); |
| 1365 | const int32_t zero_point_product = |
| 1366 | (int32_t) -(x_multiplier * (int32_t) x_zero_point + y_multiplier * (int32_t) y_zero_point); |
| 1367 | for (uint32_t i = 0; i < 4; i++) { |
| 1368 | params.wasmsimd.zero_point_product[i] = zero_point_product; |
| 1369 | params.wasmsimd.x_multiplier[i] = x_multiplier; |
| 1370 | params.wasmsimd.y_multiplier[i] = y_multiplier; |
| 1371 | params.wasmsimd.remainder_mask[i] = remainder_mask; |
| 1372 | params.wasmsimd.remainder_threshold[i] = remainder_threshold; |
| 1373 | } |
| 1374 | params.wasmsimd.shift = shift; |
| 1375 | for (uint32_t i = 0; i < 8; i++) { |
| 1376 | params.wasmsimd.output_zero_point[i] = (int16_t) output_zero_point; |
| 1377 | } |
| 1378 | for (uint32_t i = 0; i < 16; i++) { |
| 1379 | params.wasmsimd.output_min[i] = output_min; |
| 1380 | params.wasmsimd.output_max[i] = output_max; |
| 1381 | } |
Marat Dukhan | d9f3ad4 | 2020-08-10 12:30:58 -0700 | [diff] [blame] | 1382 | #else |
| 1383 | const int32_t remainder_mask = (INT32_C(1) << shift) - INT32_C(1); |
| 1384 | const int32_t remainder_threshold = (int32_t) ((uint32_t) remainder_mask >> 1); |
| 1385 | params.scalar.zero_point_product = |
| 1386 | (int32_t) -(x_multiplier * (int32_t) x_zero_point + y_multiplier * (int32_t) y_zero_point); |
| 1387 | params.scalar.x_multiplier = x_multiplier; |
| 1388 | params.scalar.y_multiplier = y_multiplier; |
| 1389 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 1390 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
Marat Dukhan | 5df27f8 | 2020-09-02 23:59:21 -0700 | [diff] [blame] | 1391 | params.scalar.shift = (int32_t) shift; |
Marat Dukhan | d9f3ad4 | 2020-08-10 12:30:58 -0700 | [diff] [blame] | 1392 | params.scalar.output_zero_point = (int32_t) output_zero_point; |
| 1393 | params.scalar.output_min = (int32_t) output_min; |
| 1394 | params.scalar.output_max = (int32_t) output_max; |
| 1395 | #endif |
| 1396 | return params; |
| 1397 | } |
| 1398 | |
| 1399 | static inline union xnn_qs8_add_params xnn_init_scalar_qs8_add_params( |
| 1400 | int8_t x_zero_point, |
| 1401 | int8_t y_zero_point, |
| 1402 | int8_t output_zero_point, |
| 1403 | float x_output_scale, |
| 1404 | float y_output_scale, |
| 1405 | int8_t output_min, |
| 1406 | int8_t output_max) |
| 1407 | { |
| 1408 | assert(x_output_scale >= 0x1.0p-10f); |
| 1409 | assert(y_output_scale >= 0x1.0p-10f); |
| 1410 | assert(x_output_scale < 0x1.0p+8f); |
| 1411 | assert(y_output_scale < 0x1.0p+8f); |
| 1412 | |
| 1413 | // Compute requantization parameters. |
| 1414 | const float max_output_scale = math_max_f32(x_output_scale, y_output_scale); |
| 1415 | assert(max_output_scale >= 0x1.0p-10f); |
| 1416 | assert(max_output_scale < 0x1.0p+8f); |
| 1417 | const uint32_t max_scale_bits = fp32_to_bits(max_output_scale); |
| 1418 | const int32_t max_scale_exponent = (int32_t) (max_scale_bits >> 23) - 127; |
| 1419 | // Shift is in [13, 31] range. |
| 1420 | const uint32_t shift = (uint32_t) (21 - max_scale_exponent); |
| 1421 | assert(shift < 32); |
| 1422 | assert(shift >= 13); |
| 1423 | |
| 1424 | // Multipliers are in [0, 2**22) range, largest multiplier is in [2**21, 2**22) range. |
| 1425 | const int32_t x_multiplier = (int32_t) lrintf(fp32_from_bits(fp32_to_bits(x_output_scale) + (shift << 23))); |
| 1426 | const int32_t y_multiplier = (int32_t) lrintf(fp32_from_bits(fp32_to_bits(y_output_scale) + (shift << 23))); |
| 1427 | assert((x_multiplier > y_multiplier ? x_multiplier : y_multiplier) >= INT32_C(0x00200000)); |
| 1428 | assert(x_multiplier < INT32_C(0x00400000)); |
| 1429 | assert(y_multiplier < INT32_C(0x00400000)); |
| 1430 | |
| 1431 | union xnn_qs8_add_params params; |
| 1432 | const int32_t remainder_mask = (INT32_C(1) << shift) - INT32_C(1); |
| 1433 | const int32_t remainder_threshold = (int32_t) ((uint32_t) remainder_mask >> 1); |
| 1434 | params.scalar.zero_point_product = |
| 1435 | (int32_t) -(x_multiplier * (int32_t) x_zero_point + y_multiplier * (int32_t) y_zero_point); |
| 1436 | params.scalar.x_multiplier = x_multiplier; |
| 1437 | params.scalar.y_multiplier = y_multiplier; |
| 1438 | params.scalar.remainder_mask = (int32_t) remainder_mask; |
| 1439 | params.scalar.remainder_threshold = (int32_t) remainder_threshold; |
| 1440 | params.scalar.shift = shift; |
| 1441 | params.scalar.output_zero_point = (int32_t) output_zero_point; |
| 1442 | params.scalar.output_min = (int32_t) output_min; |
| 1443 | params.scalar.output_max = (int32_t) output_max; |
| 1444 | return params; |
| 1445 | } |
| 1446 | |
Marat Dukhan | ec88e27 | 2020-07-30 15:02:09 -0700 | [diff] [blame] | 1447 | static inline union xnn_qu8_requantization_params xnn_init_scalar_qu8_requantization_params( |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1448 | float scale, |
| 1449 | uint8_t zero_point, |
| 1450 | uint8_t min, |
| 1451 | uint8_t max) |
| 1452 | { |
| 1453 | // Compute requantization parameters. |
| 1454 | assert(scale < 1.0f); |
| 1455 | assert(scale >= 0x1.0p-32f); |
| 1456 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 1457 | |
| 1458 | // Multiplier is in [0x40000000, 0x7FFFFF80] range. |
| 1459 | const int32_t multiplier = (int32_t)(((scale_bits & UINT32_C(0x007FFFFF)) | UINT32_C(0x00800000)) << 7); |
| 1460 | assert(multiplier >= INT32_C(0x40000000)); |
| 1461 | assert(multiplier <= INT32_C(0x7FFFFF80)); |
| 1462 | |
| 1463 | // Shift is in [0, 31] range. |
| 1464 | const int32_t shift = 127 + 31 - 32 - (fp32_to_bits(scale) >> 23); |
| 1465 | assert(shift >= 0); |
| 1466 | assert(shift < 32); |
| 1467 | |
Marat Dukhan | ec88e27 | 2020-07-30 15:02:09 -0700 | [diff] [blame] | 1468 | union xnn_qu8_requantization_params params; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1469 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 1470 | const uint32_t remainder_threshold = remainder_mask >> 1; |
Marat Dukhan | ec88e27 | 2020-07-30 15:02:09 -0700 | [diff] [blame] | 1471 | params.q31.multiplier = multiplier; |
| 1472 | params.q31.remainder_mask = (int32_t) remainder_mask; |
| 1473 | params.q31.remainder_threshold = (int32_t) remainder_threshold; |
| 1474 | params.q31.shift = (uint32_t) shift; |
| 1475 | params.q31.min_less_zero_point = (int32_t) (uint32_t) min - (int32_t) (uint32_t) zero_point; |
| 1476 | params.q31.max_less_zero_point = (int32_t) (uint32_t) max - (int32_t) (uint32_t) zero_point; |
| 1477 | params.q31.zero_point = (int32_t) (uint32_t) zero_point; |
Marat Dukhan | eeaa7bd | 2019-10-25 17:31:25 -0700 | [diff] [blame] | 1478 | return params; |
| 1479 | } |
| 1480 | |
Marat Dukhan | 595e170 | 2020-07-31 10:12:52 -0700 | [diff] [blame] | 1481 | static inline union xnn_qs8_requantization_params xnn_init_scalar_qs8_requantization_params( |
| 1482 | float scale, |
| 1483 | int8_t zero_point, |
| 1484 | int8_t min, |
| 1485 | int8_t max) |
| 1486 | { |
| 1487 | // Compute requantization parameters. |
| 1488 | assert(scale < 1.0f); |
| 1489 | assert(scale >= 0x1.0p-32f); |
| 1490 | const uint32_t scale_bits = fp32_to_bits(scale); |
| 1491 | |
| 1492 | // Multiplier is in [0x40000000, 0x7FFFFF80] range. |
| 1493 | const int32_t multiplier = (int32_t)(((scale_bits & UINT32_C(0x007FFFFF)) | UINT32_C(0x00800000)) << 7); |
| 1494 | assert(multiplier >= INT32_C(0x40000000)); |
| 1495 | assert(multiplier <= INT32_C(0x7FFFFF80)); |
| 1496 | |
| 1497 | // Shift is in [0, 31] range. |
| 1498 | const int32_t shift = 127 + 31 - 32 - (fp32_to_bits(scale) >> 23); |
| 1499 | assert(shift >= 0); |
| 1500 | assert(shift < 32); |
| 1501 | |
| 1502 | union xnn_qs8_requantization_params params; |
| 1503 | const uint32_t remainder_mask = (UINT32_C(1) << shift) - UINT32_C(1); |
| 1504 | const uint32_t remainder_threshold = remainder_mask >> 1; |
| 1505 | params.q31.multiplier = multiplier; |
| 1506 | params.q31.remainder_mask = (int32_t) remainder_mask; |
| 1507 | params.q31.remainder_threshold = (int32_t) remainder_threshold; |
| 1508 | params.q31.shift = (uint32_t) shift; |
| 1509 | params.q31.min_less_zero_point = (int32_t) min - (int32_t) zero_point; |
| 1510 | params.q31.max_less_zero_point = (int32_t) max - (int32_t) zero_point; |
| 1511 | params.q31.zero_point = (int32_t) zero_point; |
| 1512 | return params; |
| 1513 | } |
| 1514 | |