1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/MRx8c8-avx2.c.in
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 <immintrin.h>
13
14 #include <xnnpack/gemm.h>
15 #include <xnnpack/intrinsics-polyfill.h>
16 #include <xnnpack/math.h>
17 #include <xnnpack/unaligned.h>
18
19
xnn_qs8_gemm_minmax_fp32_ukernel_3x8c8__avx2(size_t mr,size_t nc,size_t kc,const int8_t * restrict a,size_t a_stride,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])20 void xnn_qs8_gemm_minmax_fp32_ukernel_3x8c8__avx2(
21 size_t mr,
22 size_t nc,
23 size_t kc,
24 const int8_t* restrict a,
25 size_t a_stride,
26 const void* restrict w,
27 int8_t* restrict c,
28 size_t cm_stride,
29 size_t cn_stride,
30 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
31 {
32 assert(mr != 0);
33 assert(mr <= 3);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(kc % sizeof(int8_t) == 0);
37 assert(a != NULL);
38 assert(w != NULL);
39 assert(c != NULL);
40
41 kc = round_up_po2(kc, 8);
42 const int8_t* a0 = a;
43 int8_t* c0 = c;
44 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
45 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
46 if XNN_UNPREDICTABLE(mr < 2) {
47 a1 = a0;
48 c1 = c0;
49 }
50 const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
51 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
52 if XNN_UNPREDICTABLE(mr <= 2) {
53 a2 = a1;
54 c2 = c1;
55 }
56
57 do {
58 const __m128i vbias0x0 = _mm_cvtsi32_si128(((const int*) w)[0]);
59 const __m128i vbias0x1 = _mm_cvtsi32_si128(((const int*) w)[1]);
60 __m256i vacc0x01 = _mm256_inserti128_si256(_mm256_castsi128_si256(vbias0x0), vbias0x1, 1);
61 const __m128i vbias0x2 = _mm_cvtsi32_si128(((const int*) w)[2]);
62 const __m128i vbias0x3 = _mm_cvtsi32_si128(((const int*) w)[3]);
63 __m256i vacc0x23 = _mm256_inserti128_si256(_mm256_castsi128_si256(vbias0x2), vbias0x3, 1);
64 const __m128i vbias0x4 = _mm_cvtsi32_si128(((const int*) w)[4]);
65 const __m128i vbias0x5 = _mm_cvtsi32_si128(((const int*) w)[5]);
66 __m256i vacc0x45 = _mm256_inserti128_si256(_mm256_castsi128_si256(vbias0x4), vbias0x5, 1);
67 const __m128i vbias0x6 = _mm_cvtsi32_si128(((const int*) w)[6]);
68 const __m128i vbias0x7 = _mm_cvtsi32_si128(((const int*) w)[7]);
69 __m256i vacc0x67 = _mm256_inserti128_si256(_mm256_castsi128_si256(vbias0x6), vbias0x7, 1);
70 __m256i vacc1x01 = vacc0x01;
71 __m256i vacc1x23 = vacc0x23;
72 __m256i vacc1x45 = vacc0x45;
73 __m256i vacc1x67 = vacc0x67;
74 __m256i vacc2x01 = vacc0x01;
75 __m256i vacc2x23 = vacc0x23;
76 __m256i vacc2x45 = vacc0x45;
77 __m256i vacc2x67 = vacc0x67;
78 w = (const int32_t*) w + 8;
79
80 size_t k = 0;
81 while (k < kc) {
82 const __m128i va0 = _mm_broadcastq_epi64(_mm_loadl_epi64((const __m128i*) a0));
83 const __m256i vxa0 = _mm256_cvtepi8_epi16(va0);
84 a0 += 8;
85 const __m128i va1 = _mm_broadcastq_epi64(_mm_loadl_epi64((const __m128i*) a1));
86 const __m256i vxa1 = _mm256_cvtepi8_epi16(va1);
87 a1 += 8;
88 const __m128i va2 = _mm_broadcastq_epi64(_mm_loadl_epi64((const __m128i*) a2));
89 const __m256i vxa2 = _mm256_cvtepi8_epi16(va2);
90 a2 += 8;
91
92 const __m128i vb01 = _mm_load_si128((const __m128i*) w);
93 const __m256i vxb01 = _mm256_cvtepi8_epi16(vb01);
94
95 vacc0x01 = _mm256_add_epi32(vacc0x01, _mm256_madd_epi16(vxa0, vxb01));
96 vacc1x01 = _mm256_add_epi32(vacc1x01, _mm256_madd_epi16(vxa1, vxb01));
97 vacc2x01 = _mm256_add_epi32(vacc2x01, _mm256_madd_epi16(vxa2, vxb01));
98 const __m128i vb23 = _mm_load_si128((const __m128i*) ((const int8_t*) w + 16));
99 const __m256i vxb23 = _mm256_cvtepi8_epi16(vb23);
100
101 vacc0x23 = _mm256_add_epi32(vacc0x23, _mm256_madd_epi16(vxa0, vxb23));
102 vacc1x23 = _mm256_add_epi32(vacc1x23, _mm256_madd_epi16(vxa1, vxb23));
103 vacc2x23 = _mm256_add_epi32(vacc2x23, _mm256_madd_epi16(vxa2, vxb23));
104 const __m128i vb45 = _mm_load_si128((const __m128i*) ((const int8_t*) w + 32));
105 const __m256i vxb45 = _mm256_cvtepi8_epi16(vb45);
106
107 vacc0x45 = _mm256_add_epi32(vacc0x45, _mm256_madd_epi16(vxa0, vxb45));
108 vacc1x45 = _mm256_add_epi32(vacc1x45, _mm256_madd_epi16(vxa1, vxb45));
109 vacc2x45 = _mm256_add_epi32(vacc2x45, _mm256_madd_epi16(vxa2, vxb45));
110 const __m128i vb67 = _mm_load_si128((const __m128i*) ((const int8_t*) w + 48));
111 const __m256i vxb67 = _mm256_cvtepi8_epi16(vb67);
112
113 vacc0x67 = _mm256_add_epi32(vacc0x67, _mm256_madd_epi16(vxa0, vxb67));
114 vacc1x67 = _mm256_add_epi32(vacc1x67, _mm256_madd_epi16(vxa1, vxb67));
115 vacc2x67 = _mm256_add_epi32(vacc2x67, _mm256_madd_epi16(vxa2, vxb67));
116
117 w = (const void*) ((const int8_t*) w + 64);
118 k += 8 * sizeof(int8_t);
119 }
120
121 const __m256i vacc0x0213 = _mm256_hadd_epi32(vacc0x01, vacc0x23);
122 const __m256i vacc0x4657 = _mm256_hadd_epi32(vacc0x45, vacc0x67);
123 const __m256i vacc1x0213 = _mm256_hadd_epi32(vacc1x01, vacc1x23);
124 const __m256i vacc1x4657 = _mm256_hadd_epi32(vacc1x45, vacc1x67);
125 const __m256i vacc2x0213 = _mm256_hadd_epi32(vacc2x01, vacc2x23);
126 const __m256i vacc2x4657 = _mm256_hadd_epi32(vacc2x45, vacc2x67);
127
128 const __m256i vacc0x02461357 = _mm256_hadd_epi32(vacc0x0213, vacc0x4657);
129 const __m256i vacc1x02461357 = _mm256_hadd_epi32(vacc1x0213, vacc1x4657);
130 const __m256i vacc2x02461357 = _mm256_hadd_epi32(vacc2x0213, vacc2x4657);
131
132 const __m256i vpermute_mask = _mm256_set_epi32(7, 3, 6, 2, 5, 1, 4, 0);
133 __m256i vacc0x01234567 = _mm256_permutevar8x32_epi32(vacc0x02461357, vpermute_mask);
134 __m256i vacc1x01234567 = _mm256_permutevar8x32_epi32(vacc1x02461357, vpermute_mask);
135 __m256i vacc2x01234567 = _mm256_permutevar8x32_epi32(vacc2x02461357, vpermute_mask);
136
137 __m256 vscaled0x01234567 = _mm256_cvtepi32_ps(vacc0x01234567);
138 __m256 vscaled1x01234567 = _mm256_cvtepi32_ps(vacc1x01234567);
139 __m256 vscaled2x01234567 = _mm256_cvtepi32_ps(vacc2x01234567);
140
141 const __m256 vscale = _mm256_load_ps(params->fp32_avx2.scale);
142 vscaled0x01234567 = _mm256_mul_ps(vscaled0x01234567, vscale);
143 vscaled1x01234567 = _mm256_mul_ps(vscaled1x01234567, vscale);
144 vscaled2x01234567 = _mm256_mul_ps(vscaled2x01234567, vscale);
145
146 const __m256 voutput_max_less_zero_point = _mm256_load_ps(params->fp32_avx2.output_max_less_zero_point);
147 vscaled0x01234567 = _mm256_min_ps(vscaled0x01234567, voutput_max_less_zero_point);
148 vscaled1x01234567 = _mm256_min_ps(vscaled1x01234567, voutput_max_less_zero_point);
149 vscaled2x01234567 = _mm256_min_ps(vscaled2x01234567, voutput_max_less_zero_point);
150
151 vacc0x01234567 = _mm256_cvtps_epi32(vscaled0x01234567);
152 vacc1x01234567 = _mm256_cvtps_epi32(vscaled1x01234567);
153 vacc2x01234567 = _mm256_cvtps_epi32(vscaled2x01234567);
154
155 const __m256i voutput_zero_point = _mm256_load_si256((const __m256i*) params->fp32_avx2.output_zero_point);
156 __m256i vacc01x01234567 = _mm256_adds_epi16(_mm256_packs_epi32(vacc0x01234567, vacc1x01234567), voutput_zero_point);
157 __m256i vacc22x01234567 = _mm256_adds_epi16(_mm256_packs_epi32(vacc2x01234567, vacc2x01234567), voutput_zero_point);
158
159 vacc01x01234567 = _mm256_permute4x64_epi64(vacc01x01234567, _MM_SHUFFLE(3, 1, 2, 0));
160 vacc22x01234567 = _mm256_permute4x64_epi64(vacc22x01234567, _MM_SHUFFLE(3, 1, 2, 0));
161
162 __m256i vout = _mm256_packs_epi16(vacc01x01234567, vacc22x01234567);
163
164 vout = _mm256_max_epi8(vout, _mm256_load_si256((const __m256i*) params->fp32_avx2.output_min));
165
166 __m128i vout_lo = _mm256_castsi256_si128(vout);
167 __m128i vout_hi = _mm256_extracti128_si256(vout, 1);
168
169 if (nc >= 8) {
170 _mm_storel_epi64((__m128i*) c0, vout_lo);
171 _mm_storel_epi64((__m128i*) c1, vout_hi);
172 _mm_storeh_pi((__m64*) c2, _mm_castsi128_ps(vout_lo));
173
174 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
175 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
176 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
177
178 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
179 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
180 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
181
182 nc -= 8;
183 } else {
184 if (nc & 4) {
185 _mm_storeu_si32(c0, vout_lo);
186 _mm_storeu_si32(c1, vout_hi);
187 unaligned_store_u32(c2, (uint32_t) _mm_extract_epi32(vout_lo, 2));
188
189 c0 += 4;
190 c1 += 4;
191 c2 += 4;
192
193 vout_lo = _mm_srli_epi64(vout_lo, 32);
194 vout_hi = _mm_srli_epi64(vout_hi, 32);
195 }
196 if (nc & 2) {
197 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout_lo, 0));
198 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout_hi, 0));
199 unaligned_store_u16(c2, (uint16_t) _mm_extract_epi16(vout_lo, 4));
200
201 c0 += 2;
202 c1 += 2;
203 c2 += 2;
204
205 vout_lo = _mm_srli_epi32(vout_lo, 16);
206 vout_hi = _mm_srli_epi32(vout_hi, 16);
207 }
208 if (nc & 1) {
209 *c0 = (int8_t) _mm_extract_epi8(vout_lo, 0);
210 *c1 = (int8_t) _mm_extract_epi8(vout_hi, 0);
211 *c2 = (int8_t) _mm_extract_epi8(vout_lo, 8);
212 }
213
214 nc = 0;
215 }
216 } while (nc != 0);
217 }
218