1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/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/igemm.h>
15 #include <xnnpack/intrinsics-polyfill.h>
16 #include <xnnpack/math.h>
17 #include <xnnpack/unaligned.h>
18
19
xnn_qu8_igemm_minmax_fp32_ukernel_1x8c8__avx2(size_t mr,size_t nc,size_t kc,size_t ks,const uint8_t ** restrict a,const void * restrict w,uint8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const uint8_t * zero,const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])20 void xnn_qu8_igemm_minmax_fp32_ukernel_1x8c8__avx2(
21 size_t mr,
22 size_t nc,
23 size_t kc,
24 size_t ks,
25 const uint8_t** restrict a,
26 const void* restrict w,
27 uint8_t* restrict c,
28 size_t cm_stride,
29 size_t cn_stride,
30 size_t a_offset,
31 const uint8_t* zero,
32 const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
33 {
34 assert(mr != 0);
35 assert(mr <= 1);
36 assert(nc != 0);
37 assert(kc != 0);
38 assert(ks != 0);
39 assert(ks % (1 * sizeof(void*)) == 0);
40 assert(a_offset % sizeof(uint8_t) == 0);
41 assert(a != NULL);
42 assert(w != NULL);
43 assert(c != NULL);
44
45 kc = round_up_po2(kc, 8);
46 uint8_t* c0 = c;
47
48 do {
49 const __m128i vbias0x0 = _mm_cvtsi32_si128(((const int*) w)[0]);
50 const __m128i vbias0x1 = _mm_cvtsi32_si128(((const int*) w)[1]);
51 __m256i vacc0x01 = _mm256_inserti128_si256(_mm256_castsi128_si256(vbias0x0), vbias0x1, 1);
52 const __m128i vbias0x2 = _mm_cvtsi32_si128(((const int*) w)[2]);
53 const __m128i vbias0x3 = _mm_cvtsi32_si128(((const int*) w)[3]);
54 __m256i vacc0x23 = _mm256_inserti128_si256(_mm256_castsi128_si256(vbias0x2), vbias0x3, 1);
55 const __m128i vbias0x4 = _mm_cvtsi32_si128(((const int*) w)[4]);
56 const __m128i vbias0x5 = _mm_cvtsi32_si128(((const int*) w)[5]);
57 __m256i vacc0x45 = _mm256_inserti128_si256(_mm256_castsi128_si256(vbias0x4), vbias0x5, 1);
58 const __m128i vbias0x6 = _mm_cvtsi32_si128(((const int*) w)[6]);
59 const __m128i vbias0x7 = _mm_cvtsi32_si128(((const int*) w)[7]);
60 __m256i vacc0x67 = _mm256_inserti128_si256(_mm256_castsi128_si256(vbias0x6), vbias0x7, 1);
61 w = (const int32_t*) w + 8;
62
63 size_t p = ks;
64 const __m256i vb_zero_point = _mm256_load_si256((const __m256i*) params->fp32_avx2.kernel_zero_point);
65 do {
66 const uint8_t* restrict a0 = a[0];
67 if XNN_UNPREDICTABLE(a0 != zero) {
68 a0 = (const uint8_t*) ((uintptr_t) a0 + a_offset);
69 }
70 a += 1;
71
72 size_t k = 0;
73 while (k < kc) {
74 const __m128i va0 = _mm_broadcastq_epi64(_mm_loadl_epi64((const __m128i*) a0));
75 const __m256i vxa0 = _mm256_cvtepu8_epi16(va0);
76 a0 += 8;
77
78 const __m128i vb01 = _mm_load_si128((const __m128i*) w);
79 const __m256i vxb01 = _mm256_sub_epi16(_mm256_cvtepu8_epi16(vb01), vb_zero_point);
80
81 vacc0x01 = _mm256_add_epi32(vacc0x01, _mm256_madd_epi16(vxa0, vxb01));
82 const __m128i vb23 = _mm_load_si128((const __m128i*) ((const uint8_t*) w + 16));
83 const __m256i vxb23 = _mm256_sub_epi16(_mm256_cvtepu8_epi16(vb23), vb_zero_point);
84
85 vacc0x23 = _mm256_add_epi32(vacc0x23, _mm256_madd_epi16(vxa0, vxb23));
86 const __m128i vb45 = _mm_load_si128((const __m128i*) ((const uint8_t*) w + 32));
87 const __m256i vxb45 = _mm256_sub_epi16(_mm256_cvtepu8_epi16(vb45), vb_zero_point);
88
89 vacc0x45 = _mm256_add_epi32(vacc0x45, _mm256_madd_epi16(vxa0, vxb45));
90 const __m128i vb67 = _mm_load_si128((const __m128i*) ((const uint8_t*) w + 48));
91 const __m256i vxb67 = _mm256_sub_epi16(_mm256_cvtepu8_epi16(vb67), vb_zero_point);
92
93 vacc0x67 = _mm256_add_epi32(vacc0x67, _mm256_madd_epi16(vxa0, vxb67));
94
95 w = (const void*) ((const uint8_t*) w + 64);
96 k += 8 * sizeof(uint8_t);
97 }
98 p -= 1 * sizeof(void*);
99 } while (p != 0);
100
101 const __m256i vacc0x0213 = _mm256_hadd_epi32(vacc0x01, vacc0x23);
102 const __m256i vacc0x4657 = _mm256_hadd_epi32(vacc0x45, vacc0x67);
103
104 const __m256i vacc0x02461357 = _mm256_hadd_epi32(vacc0x0213, vacc0x4657);
105
106 const __m256i vpermute_mask = _mm256_set_epi32(7, 3, 6, 2, 5, 1, 4, 0);
107 __m256i vacc0x01234567 = _mm256_permutevar8x32_epi32(vacc0x02461357, vpermute_mask);
108
109 __m256 vscaled0x01234567 = _mm256_cvtepi32_ps(vacc0x01234567);
110
111 const __m256 vscale = _mm256_load_ps(params->fp32_avx2.scale);
112 vscaled0x01234567 = _mm256_mul_ps(vscaled0x01234567, vscale);
113
114 const __m256 voutput_max_less_zero_point = _mm256_load_ps(params->fp32_avx2.output_max_less_zero_point);
115 vscaled0x01234567 = _mm256_min_ps(vscaled0x01234567, voutput_max_less_zero_point);
116
117 vacc0x01234567 = _mm256_cvtps_epi32(vscaled0x01234567);
118
119 const __m256i voutput_zero_point = _mm256_load_si256((const __m256i*) params->fp32_avx2.output_zero_point);
120 __m256i vacc00x01234567 = _mm256_adds_epi16(_mm256_packs_epi32(vacc0x01234567, vacc0x01234567), voutput_zero_point);
121
122 vacc00x01234567 = _mm256_permute4x64_epi64(vacc00x01234567, _MM_SHUFFLE(3, 1, 2, 0));
123
124 __m256i vout = _mm256_packus_epi16(vacc00x01234567, vacc00x01234567);
125
126 vout = _mm256_max_epu8(vout, _mm256_load_si256((const __m256i*) params->fp32_avx2.output_min));
127
128 __m128i vout_lo = _mm256_castsi256_si128(vout);
129 __m128i vout_hi = _mm256_extracti128_si256(vout, 1);
130
131 if (nc >= 8) {
132 _mm_storel_epi64((__m128i*) c0, vout_lo);
133
134 c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
135
136 a = (const uint8_t**restrict) ((uintptr_t) a - ks);
137
138 nc -= 8;
139 } else {
140 if (nc & 4) {
141 _mm_storeu_si32(c0, vout_lo);
142
143 c0 += 4;
144
145 vout_lo = _mm_srli_epi64(vout_lo, 32);
146 vout_hi = _mm_srli_epi64(vout_hi, 32);
147 }
148 if (nc & 2) {
149 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout_lo, 0));
150
151 c0 += 2;
152
153 vout_lo = _mm_srli_epi32(vout_lo, 16);
154 vout_hi = _mm_srli_epi32(vout_hi, 16);
155 }
156 if (nc & 1) {
157 *c0 = (uint8_t) _mm_extract_epi8(vout_lo, 0);
158 }
159
160 nc = 0;
161 }
162 } while (nc != 0);
163 }
164