Marat Dukhan | e7edc80 | 2020-08-03 16:43:57 -0700 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
Marat Dukhan | 66ccf64 | 2020-09-28 16:23:42 -0700 | [diff] [blame] | 2 | // Template: src/qs8-gemm/MRx4c8-sse.c.in |
Marat Dukhan | e7edc80 | 2020-08-03 16:43:57 -0700 | [diff] [blame] | 3 | // Generator: tools/xngen |
| 4 | // |
| 5 | // Copyright 2020 Google LLC |
| 6 | // |
| 7 | // This source code is licensed under the BSD-style license found in the |
| 8 | // LICENSE file in the root directory of this source tree. |
| 9 | |
| 10 | #include <assert.h> |
| 11 | |
| 12 | #include <tmmintrin.h> |
| 13 | |
| 14 | #include <xnnpack/gemm.h> |
| 15 | |
| 16 | |
| 17 | void xnn_qs8_gemm_minmax_ukernel_3x4c8__ssse3_ld128( |
| 18 | size_t mr, |
| 19 | size_t nc, |
| 20 | size_t kc, |
| 21 | const int8_t* restrict a, |
| 22 | size_t a_stride, |
| 23 | const void* restrict w, |
| 24 | int8_t* restrict c, |
| 25 | size_t cm_stride, |
| 26 | size_t cn_stride, |
| 27 | const union xnn_qs8_gemm_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN |
| 28 | { |
| 29 | assert(mr != 0); |
| 30 | assert(mr <= 3); |
| 31 | assert(nc != 0); |
| 32 | assert(kc != 0); |
| 33 | assert(kc % sizeof(int8_t) == 0); |
| 34 | assert(a != NULL); |
| 35 | assert(w != NULL); |
| 36 | assert(c != NULL); |
| 37 | |
| 38 | const int8_t* a0 = a; |
| 39 | int8_t* c0 = c; |
| 40 | const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride); |
| 41 | int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride); |
| 42 | if XNN_UNPREDICTABLE(mr < 2) { |
| 43 | a1 = a0; |
| 44 | c1 = c0; |
| 45 | } |
| 46 | const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride); |
| 47 | int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride); |
| 48 | if XNN_UNPREDICTABLE(mr <= 2) { |
| 49 | a2 = a1; |
| 50 | c2 = c1; |
| 51 | } |
| 52 | |
| 53 | do { |
| 54 | __m128i vacc0x0 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[0]); |
| 55 | __m128i vacc0x1 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[1]); |
| 56 | __m128i vacc0x2 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[2]); |
| 57 | __m128i vacc0x3 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[3]); |
| 58 | __m128i vacc1x0 = vacc0x0; |
| 59 | __m128i vacc1x1 = vacc0x1; |
| 60 | __m128i vacc1x2 = vacc0x2; |
| 61 | __m128i vacc1x3 = vacc0x3; |
| 62 | __m128i vacc2x0 = vacc0x0; |
| 63 | __m128i vacc2x1 = vacc0x1; |
| 64 | __m128i vacc2x2 = vacc0x2; |
| 65 | __m128i vacc2x3 = vacc0x3; |
| 66 | w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t)); |
| 67 | |
| 68 | size_t k = 0; |
| 69 | while (k < kc) { |
| 70 | const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0); |
| 71 | const __m128i vxa0 = _mm_unpacklo_epi8(va0, _mm_cmpgt_epi8(_mm_setzero_si128(), va0)); |
| 72 | a0 += 8; |
| 73 | const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1); |
| 74 | const __m128i vxa1 = _mm_unpacklo_epi8(va1, _mm_cmpgt_epi8(_mm_setzero_si128(), va1)); |
| 75 | a1 += 8; |
| 76 | const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2); |
| 77 | const __m128i vxa2 = _mm_unpacklo_epi8(va2, _mm_cmpgt_epi8(_mm_setzero_si128(), va2)); |
| 78 | a2 += 8; |
| 79 | |
| 80 | const __m128i vb01 = _mm_load_si128((const __m128i*) w); |
| 81 | const __m128i vsb01 = _mm_cmpgt_epi8(_mm_setzero_si128(), vb01); |
| 82 | const __m128i vxb0 = _mm_unpacklo_epi8(vb01, vsb01); |
| 83 | const __m128i vxb1 = _mm_unpackhi_epi8(vb01, vsb01); |
| 84 | |
| 85 | vacc0x0 = _mm_add_epi32(vacc0x0, _mm_madd_epi16(vxa0, vxb0)); |
| 86 | vacc0x1 = _mm_add_epi32(vacc0x1, _mm_madd_epi16(vxa0, vxb1)); |
| 87 | vacc1x0 = _mm_add_epi32(vacc1x0, _mm_madd_epi16(vxa1, vxb0)); |
| 88 | vacc1x1 = _mm_add_epi32(vacc1x1, _mm_madd_epi16(vxa1, vxb1)); |
| 89 | vacc2x0 = _mm_add_epi32(vacc2x0, _mm_madd_epi16(vxa2, vxb0)); |
| 90 | vacc2x1 = _mm_add_epi32(vacc2x1, _mm_madd_epi16(vxa2, vxb1)); |
| 91 | const __m128i vb23 = _mm_load_si128((const __m128i*) ((uintptr_t) w + 16 * sizeof(int8_t))); |
| 92 | const __m128i vsb23 = _mm_cmpgt_epi8(_mm_setzero_si128(), vb23); |
| 93 | const __m128i vxb2 = _mm_unpacklo_epi8(vb23, vsb23); |
| 94 | const __m128i vxb3 = _mm_unpackhi_epi8(vb23, vsb23); |
| 95 | |
| 96 | vacc0x2 = _mm_add_epi32(vacc0x2, _mm_madd_epi16(vxa0, vxb2)); |
| 97 | vacc0x3 = _mm_add_epi32(vacc0x3, _mm_madd_epi16(vxa0, vxb3)); |
| 98 | vacc1x2 = _mm_add_epi32(vacc1x2, _mm_madd_epi16(vxa1, vxb2)); |
| 99 | vacc1x3 = _mm_add_epi32(vacc1x3, _mm_madd_epi16(vxa1, vxb3)); |
| 100 | vacc2x2 = _mm_add_epi32(vacc2x2, _mm_madd_epi16(vxa2, vxb2)); |
| 101 | vacc2x3 = _mm_add_epi32(vacc2x3, _mm_madd_epi16(vxa2, vxb3)); |
| 102 | |
| 103 | w = (const void*) ((uintptr_t) w + 32 * sizeof(int8_t)); |
| 104 | k += 8 * sizeof(int8_t); |
| 105 | } |
| 106 | |
| 107 | const __m128i vacc0x01 = _mm_hadd_epi32(vacc0x0, vacc0x1); |
| 108 | const __m128i vacc0x23 = _mm_hadd_epi32(vacc0x2, vacc0x3); |
| 109 | const __m128i vacc1x01 = _mm_hadd_epi32(vacc1x0, vacc1x1); |
| 110 | const __m128i vacc1x23 = _mm_hadd_epi32(vacc1x2, vacc1x3); |
| 111 | const __m128i vacc2x01 = _mm_hadd_epi32(vacc2x0, vacc2x1); |
| 112 | const __m128i vacc2x23 = _mm_hadd_epi32(vacc2x2, vacc2x3); |
| 113 | |
| 114 | __m128i vacc0x0123 = _mm_hadd_epi32(vacc0x01, vacc0x23); |
| 115 | __m128i vacc1x0123 = _mm_hadd_epi32(vacc1x01, vacc1x23); |
| 116 | __m128i vacc2x0123 = _mm_hadd_epi32(vacc2x01, vacc2x23); |
| 117 | |
| 118 | const __m128i vmultiplier = _mm_load_si128((const __m128i*) params->sse2.multiplier); |
| 119 | const __m128i vrounding = _mm_load_si128((const __m128i*) params->sse2.rounding); |
| 120 | |
| 121 | const __m128i vnmask0x0123 = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc0x0123); |
| 122 | const __m128i vnmask1x0123 = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc1x0123); |
| 123 | const __m128i vnmask2x0123 = _mm_cmpgt_epi32(_mm_setzero_si128(), vacc2x0123); |
| 124 | |
| 125 | const __m128i vabsacc0x0123 = _mm_abs_epi32(vacc0x0123); |
| 126 | const __m128i vabsacc1x0123 = _mm_abs_epi32(vacc1x0123); |
| 127 | const __m128i vabsacc2x0123 = _mm_abs_epi32(vacc2x0123); |
| 128 | |
Marat Dukhan | 23848db | 2020-08-05 09:10:16 -0700 | [diff] [blame] | 129 | const __m128i vabsacc0x1133 = _mm_shuffle_epi32(vabsacc0x0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| 130 | const __m128i vabsacc1x1133 = _mm_shuffle_epi32(vabsacc1x0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| 131 | const __m128i vabsacc2x1133 = _mm_shuffle_epi32(vabsacc2x0123, _MM_SHUFFLE(3, 3, 1, 1)); |
Marat Dukhan | e7edc80 | 2020-08-03 16:43:57 -0700 | [diff] [blame] | 132 | |
| 133 | const __m128i vabsprod0x02 = _mm_mul_epu32(vabsacc0x0123, vmultiplier); |
| 134 | const __m128i vabsprod1x02 = _mm_mul_epu32(vabsacc1x0123, vmultiplier); |
| 135 | const __m128i vabsprod2x02 = _mm_mul_epu32(vabsacc2x0123, vmultiplier); |
| 136 | |
| 137 | const __m128i vnmask0x02 = _mm_shuffle_epi32(vnmask0x0123, _MM_SHUFFLE(2, 2, 0, 0)); |
| 138 | const __m128i vnmask1x02 = _mm_shuffle_epi32(vnmask1x0123, _MM_SHUFFLE(2, 2, 0, 0)); |
| 139 | const __m128i vnmask2x02 = _mm_shuffle_epi32(vnmask2x0123, _MM_SHUFFLE(2, 2, 0, 0)); |
| 140 | |
| 141 | const __m128i vprod0x02 = _mm_sub_epi64(_mm_xor_si128(vabsprod0x02, vnmask0x02), vnmask0x02); |
| 142 | const __m128i vprod1x02 = _mm_sub_epi64(_mm_xor_si128(vabsprod1x02, vnmask1x02), vnmask1x02); |
| 143 | const __m128i vprod2x02 = _mm_sub_epi64(_mm_xor_si128(vabsprod2x02, vnmask2x02), vnmask2x02); |
| 144 | |
| 145 | const __m128i vq31prod0x02 = _mm_srli_epi64(_mm_add_epi64(vprod0x02, vrounding), 31); |
| 146 | const __m128i vq31prod1x02 = _mm_srli_epi64(_mm_add_epi64(vprod1x02, vrounding), 31); |
| 147 | const __m128i vq31prod2x02 = _mm_srli_epi64(_mm_add_epi64(vprod2x02, vrounding), 31); |
| 148 | |
Marat Dukhan | 23848db | 2020-08-05 09:10:16 -0700 | [diff] [blame] | 149 | const __m128i vabsprod0x13 = _mm_mul_epu32(vabsacc0x1133, vmultiplier); |
| 150 | const __m128i vabsprod1x13 = _mm_mul_epu32(vabsacc1x1133, vmultiplier); |
| 151 | const __m128i vabsprod2x13 = _mm_mul_epu32(vabsacc2x1133, vmultiplier); |
Marat Dukhan | e7edc80 | 2020-08-03 16:43:57 -0700 | [diff] [blame] | 152 | |
| 153 | const __m128i vnmask0x13 = _mm_shuffle_epi32(vnmask0x0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| 154 | const __m128i vnmask1x13 = _mm_shuffle_epi32(vnmask1x0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| 155 | const __m128i vnmask2x13 = _mm_shuffle_epi32(vnmask2x0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| 156 | |
| 157 | const __m128i vprod0x13 = _mm_sub_epi64(_mm_xor_si128(vabsprod0x13, vnmask0x13), vnmask0x13); |
| 158 | const __m128i vprod1x13 = _mm_sub_epi64(_mm_xor_si128(vabsprod1x13, vnmask1x13), vnmask1x13); |
| 159 | const __m128i vprod2x13 = _mm_sub_epi64(_mm_xor_si128(vabsprod2x13, vnmask2x13), vnmask2x13); |
| 160 | |
| 161 | const __m128i vq31prod0x13 = _mm_srli_epi64(_mm_add_epi64(vprod0x13, vrounding), 31); |
| 162 | const __m128i vq31prod1x13 = _mm_srli_epi64(_mm_add_epi64(vprod1x13, vrounding), 31); |
| 163 | const __m128i vq31prod2x13 = _mm_srli_epi64(_mm_add_epi64(vprod2x13, vrounding), 31); |
| 164 | |
| 165 | const __m128i vq31prod0x0213 = _mm_castps_si128(_mm_shuffle_ps( |
| 166 | _mm_castsi128_ps(vq31prod0x02), _mm_castsi128_ps(vq31prod0x13), _MM_SHUFFLE(2, 0, 2, 0))); |
| 167 | const __m128i vq31prod1x0213 = _mm_castps_si128(_mm_shuffle_ps( |
| 168 | _mm_castsi128_ps(vq31prod1x02), _mm_castsi128_ps(vq31prod1x13), _MM_SHUFFLE(2, 0, 2, 0))); |
| 169 | const __m128i vq31prod2x0213 = _mm_castps_si128(_mm_shuffle_ps( |
| 170 | _mm_castsi128_ps(vq31prod2x02), _mm_castsi128_ps(vq31prod2x13), _MM_SHUFFLE(2, 0, 2, 0))); |
| 171 | |
| 172 | const __m128i vq31prod0x0123 = _mm_shuffle_epi32(vq31prod0x0213, _MM_SHUFFLE(3, 1, 2, 0)); |
| 173 | const __m128i vq31prod1x0123 = _mm_shuffle_epi32(vq31prod1x0213, _MM_SHUFFLE(3, 1, 2, 0)); |
| 174 | const __m128i vq31prod2x0123 = _mm_shuffle_epi32(vq31prod2x0213, _MM_SHUFFLE(3, 1, 2, 0)); |
| 175 | |
| 176 | const __m128i vremainder_mask = _mm_load_si128((const __m128i*) params->sse2.remainder_mask); |
| 177 | const __m128i vrem0x0123 = |
| 178 | _mm_add_epi32(_mm_and_si128(vq31prod0x0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod0x0123)); |
| 179 | const __m128i vrem1x0123 = |
| 180 | _mm_add_epi32(_mm_and_si128(vq31prod1x0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod1x0123)); |
| 181 | const __m128i vrem2x0123 = |
| 182 | _mm_add_epi32(_mm_and_si128(vq31prod2x0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod2x0123)); |
| 183 | |
| 184 | const __m128i vremainder_threshold = _mm_load_si128((const __m128i*) params->sse2.remainder_threshold); |
| 185 | const __m128i vshift = _mm_load_si128((const __m128i*) params->sse2.shift); |
| 186 | vacc0x0123 = |
| 187 | _mm_sub_epi32(_mm_sra_epi32(vq31prod0x0123, vshift), _mm_cmpgt_epi32(vrem0x0123, vremainder_threshold)); |
| 188 | vacc1x0123 = |
| 189 | _mm_sub_epi32(_mm_sra_epi32(vq31prod1x0123, vshift), _mm_cmpgt_epi32(vrem1x0123, vremainder_threshold)); |
| 190 | vacc2x0123 = |
| 191 | _mm_sub_epi32(_mm_sra_epi32(vq31prod2x0123, vshift), _mm_cmpgt_epi32(vrem2x0123, vremainder_threshold)); |
| 192 | |
| 193 | const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse2.output_zero_point); |
| 194 | __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point); |
| 195 | __m128i vacc22x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc2x0123), voutput_zero_point); |
| 196 | |
| 197 | const __m128i voutput_min = _mm_load_si128((const __m128i*) params->sse2.output_min); |
| 198 | const __m128i voutput_max = _mm_load_si128((const __m128i*) params->sse2.output_max); |
| 199 | vacc01x0123 = _mm_min_epi16(_mm_max_epi16(vacc01x0123, voutput_min), voutput_max); |
| 200 | vacc22x0123 = _mm_min_epi16(_mm_max_epi16(vacc22x0123, voutput_min), voutput_max); |
| 201 | |
| 202 | __m128i vout = _mm_packs_epi16(vacc01x0123, vacc22x0123); |
| 203 | |
| 204 | if (nc >= 4) { |
| 205 | *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout); |
| 206 | vout = _mm_srli_si128(vout, 4); |
| 207 | *((uint32_t*) c1) = (uint32_t) _mm_cvtsi128_si32(vout); |
| 208 | vout = _mm_srli_si128(vout, 4); |
| 209 | *((uint32_t*) c2) = (uint32_t) _mm_cvtsi128_si32(vout); |
| 210 | |
| 211 | a0 = (const int8_t*) ((uintptr_t) a0 - k); |
| 212 | a1 = (const int8_t*) ((uintptr_t) a1 - k); |
| 213 | a2 = (const int8_t*) ((uintptr_t) a2 - k); |
| 214 | |
| 215 | c0 = (int8_t*) ((uintptr_t) c0 + cn_stride); |
| 216 | c1 = (int8_t*) ((uintptr_t) c1 + cn_stride); |
| 217 | c2 = (int8_t*) ((uintptr_t) c2 + cn_stride); |
| 218 | |
| 219 | nc -= 4; |
| 220 | } else { |
| 221 | if (nc & 2) { |
| 222 | *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0); |
| 223 | c0 += 2; |
| 224 | *((uint16_t*) c1) = (uint16_t) _mm_extract_epi16(vout, 2); |
| 225 | c1 += 2; |
| 226 | *((uint16_t*) c2) = (uint16_t) _mm_extract_epi16(vout, 4); |
| 227 | c2 += 2; |
| 228 | vout = _mm_srli_epi32(vout, 16); |
| 229 | } |
| 230 | if (nc & 1) { |
| 231 | *((int8_t*) c0) = (int8_t) _mm_cvtsi128_si32(vout); |
| 232 | *((int8_t*) c1) = (int8_t) _mm_extract_epi16(vout, 2); |
| 233 | *((int8_t*) c2) = (int8_t) _mm_extract_epi16(vout, 4); |
| 234 | } |
| 235 | |
| 236 | nc = 0; |
| 237 | } |
| 238 | } while (nc != 0); |
| 239 | } |