1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/MRx4c2-sse.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 <smmintrin.h>
13
14 #include <xnnpack/gemm.h>
15 #include <xnnpack/math.h>
16
17
18
xnn_qu8_gemm_minmax_fp32_ukernel_2x4c2__avx_ld64(size_t mr,size_t nc,size_t kc,const uint8_t * restrict a,size_t a_stride,const void * restrict w,uint8_t * restrict c,size_t cm_stride,size_t cn_stride,const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_qu8_gemm_minmax_fp32_ukernel_2x4c2__avx_ld64(
20 size_t mr,
21 size_t nc,
22 size_t kc,
23 const uint8_t* restrict a,
24 size_t a_stride,
25 const void* restrict w,
26 uint8_t* restrict c,
27 size_t cm_stride,
28 size_t cn_stride,
29 const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
30 {
31 assert(mr != 0);
32 assert(mr <= 2);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(kc % sizeof(uint8_t) == 0);
36 assert(a != NULL);
37 assert(w != NULL);
38 assert(c != NULL);
39
40 kc = round_up_po2(kc, 2);
41 const uint8_t* a0 = a;
42 uint8_t* c0 = c;
43 const uint8_t* a1 = (const uint8_t*) ((uintptr_t) a0 + a_stride);
44 uint8_t* c1 = (uint8_t*) ((uintptr_t) c0 + cm_stride);
45 if XNN_UNPREDICTABLE(mr != 2) {
46 a1 = a0;
47 c1 = c0;
48 }
49
50 do {
51 __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
52 __m128i vacc1x0123 = vacc0x0123;
53 w = (const void*) ((const int32_t*) w + 4);
54
55 size_t k = kc;
56 const __m128i vb_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.kernel_zero_point);
57 while (k >= 8 * sizeof(uint8_t)) {
58 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
59 const __m128i vxa0 = _mm_cvtepu8_epi16(va0);
60 a0 += 8;
61 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
62 const __m128i vxa1 = _mm_cvtepu8_epi16(va1);
63 a1 += 8;
64
65 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
66 const __m128i vxb0 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb0), vb_zero_point);
67
68 vacc0x0123 = _mm_add_epi32(vacc0x0123,
69 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
70 vacc1x0123 = _mm_add_epi32(vacc1x0123,
71 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
72 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((const uint8_t*) w + 8));
73 const __m128i vxb1 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb1), vb_zero_point);
74
75 vacc0x0123 = _mm_add_epi32(vacc0x0123,
76 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
77 vacc1x0123 = _mm_add_epi32(vacc1x0123,
78 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
79 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((const uint8_t*) w + 16));
80 const __m128i vxb2 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb2), vb_zero_point);
81
82 vacc0x0123 = _mm_add_epi32(vacc0x0123,
83 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
84 vacc1x0123 = _mm_add_epi32(vacc1x0123,
85 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
86 const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((const uint8_t*) w + 24));
87 const __m128i vxb3 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb3), vb_zero_point);
88
89 vacc0x0123 = _mm_add_epi32(vacc0x0123,
90 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(3, 3, 3, 3)), vxb3));
91 vacc1x0123 = _mm_add_epi32(vacc1x0123,
92 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(3, 3, 3, 3)), vxb3));
93
94 w = (const void*) ((const uint8_t*) w + 32);
95 k -= 8 * sizeof(uint8_t);
96 }
97 if (k != 0) {
98 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
99 const __m128i vxa0 = _mm_cvtepu8_epi16(va0);
100 a0 = (const uint8_t*) ((uintptr_t) a0 + k);
101 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
102 const __m128i vxa1 = _mm_cvtepu8_epi16(va1);
103 a1 = (const uint8_t*) ((uintptr_t) a1 + k);
104
105 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
106 const __m128i vxb0 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb0), vb_zero_point);
107 w = (const void*) ((const uint8_t*) w + 8);
108
109 vacc0x0123 = _mm_add_epi32(vacc0x0123,
110 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
111 vacc1x0123 = _mm_add_epi32(vacc1x0123,
112 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
113
114 if (k > 2 * sizeof(uint8_t)) {
115 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) w);
116 const __m128i vxb1 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb1), vb_zero_point);
117 w = (const void*) ((const uint8_t*) w + 8);
118
119 vacc0x0123 = _mm_add_epi32(vacc0x0123,
120 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
121 vacc1x0123 = _mm_add_epi32(vacc1x0123,
122 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
123
124 if (k > 4 * sizeof(uint8_t)) {
125 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) w);
126 const __m128i vxb2 = _mm_sub_epi16(_mm_cvtepu8_epi16(vb2), vb_zero_point);
127 w = (const void*) ((const uint8_t*) w + 8);
128
129 vacc0x0123 = _mm_add_epi32(vacc0x0123,
130 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
131 vacc1x0123 = _mm_add_epi32(vacc1x0123,
132 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
133 }
134 }
135 }
136
137 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
138 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
139
140 const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
141 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
142 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale);
143
144 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
145 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
146 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
147
148 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
149 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
150
151 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
152 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
153
154 __m128i vout = _mm_packus_epi16(vacc01x0123, vacc01x0123);
155
156 vout = _mm_max_epu8(vout, _mm_load_si128((const __m128i*) params->fp32_sse2.output_min));
157
158 if (nc >= 4) {
159 *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout);
160 *((uint32_t*) c1) = (uint32_t) _mm_extract_epi32(vout, 1);
161
162 c0 = (uint8_t*) ((uintptr_t) c0 + cn_stride);
163 c1 = (uint8_t*) ((uintptr_t) c1 + cn_stride);
164
165 a0 = (const uint8_t*) ((uintptr_t) a0 - kc);
166 a1 = (const uint8_t*) ((uintptr_t) a1 - kc);
167
168 nc -= 4;
169 } else {
170 if (nc & 2) {
171 *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0);
172 c0 += 2;
173 *((uint16_t*) c1) = (uint16_t) _mm_extract_epi16(vout, 2);
174 c1 += 2;
175 vout = _mm_srli_epi32(vout, 16);
176 }
177 if (nc & 1) {
178 *c0 = (uint8_t) _mm_extract_epi8(vout, 0);
179 *c1 = (uint8_t) _mm_extract_epi8(vout, 4);
180 }
181
182 nc = 0;
183 }
184 } while (nc != 0);
185 }
186