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_qc8_gemm_minmax_fp32_ukernel_3x4c2__avx_ld128(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_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_qc8_gemm_minmax_fp32_ukernel_3x4c2__avx_ld128(
20 size_t mr,
21 size_t nc,
22 size_t kc,
23 const int8_t* restrict a,
24 size_t a_stride,
25 const void* restrict w,
26 int8_t* restrict c,
27 size_t cm_stride,
28 size_t cn_stride,
29 const union xnn_qs8_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
30 {
31 assert(mr != 0);
32 assert(mr <= 3);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(kc % sizeof(int8_t) == 0);
36 assert(a != NULL);
37 assert(w != NULL);
38 assert(c != NULL);
39
40 kc = round_up_po2(kc, 2);
41 const int8_t* a0 = a;
42 int8_t* c0 = c;
43 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
44 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
45 if XNN_UNPREDICTABLE(mr < 2) {
46 a1 = a0;
47 c1 = c0;
48 }
49 const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
50 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
51 if XNN_UNPREDICTABLE(mr <= 2) {
52 a2 = a1;
53 c2 = c1;
54 }
55
56 do {
57 __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
58 __m128i vacc1x0123 = vacc0x0123;
59 __m128i vacc2x0123 = vacc0x0123;
60 w = (const void*) ((const int32_t*) w + 4);
61
62 size_t k = kc;
63 while (k >= 8 * sizeof(int8_t)) {
64 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
65 const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
66 a0 += 8;
67 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
68 const __m128i vxa1 = _mm_cvtepi8_epi16(va1);
69 a1 += 8;
70 const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
71 const __m128i vxa2 = _mm_cvtepi8_epi16(va2);
72 a2 += 8;
73
74 const __m128i vb01 = _mm_loadu_si128((const __m128i*) w);
75 const __m128i vxb0 = _mm_cvtepi8_epi16(vb01);
76 const __m128i vxb1 = _mm_srai_epi16(_mm_unpackhi_epi8(vb01, vb01), 8);
77
78 vacc0x0123 = _mm_add_epi32(vacc0x0123,
79 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
80 vacc1x0123 = _mm_add_epi32(vacc1x0123,
81 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
82 vacc2x0123 = _mm_add_epi32(vacc2x0123,
83 _mm_madd_epi16(_mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
84
85 vacc0x0123 = _mm_add_epi32(vacc0x0123,
86 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
87 vacc1x0123 = _mm_add_epi32(vacc1x0123,
88 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
89 vacc2x0123 = _mm_add_epi32(vacc2x0123,
90 _mm_madd_epi16(_mm_shuffle_epi32(vxa2, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
91 const __m128i vb23 = _mm_loadu_si128((const __m128i*) ((const int8_t*) w + 16));
92 const __m128i vxb2 = _mm_cvtepi8_epi16(vb23);
93 const __m128i vxb3 = _mm_srai_epi16(_mm_unpackhi_epi8(vb23, vb23), 8);
94
95 vacc0x0123 = _mm_add_epi32(vacc0x0123,
96 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
97 vacc1x0123 = _mm_add_epi32(vacc1x0123,
98 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
99 vacc2x0123 = _mm_add_epi32(vacc2x0123,
100 _mm_madd_epi16(_mm_shuffle_epi32(vxa2, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
101
102 vacc0x0123 = _mm_add_epi32(vacc0x0123,
103 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(3, 3, 3, 3)), vxb3));
104 vacc1x0123 = _mm_add_epi32(vacc1x0123,
105 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(3, 3, 3, 3)), vxb3));
106 vacc2x0123 = _mm_add_epi32(vacc2x0123,
107 _mm_madd_epi16(_mm_shuffle_epi32(vxa2, _MM_SHUFFLE(3, 3, 3, 3)), vxb3));
108
109 w = (const void*) ((const int8_t*) w + 32);
110 k -= 8 * sizeof(int8_t);
111 }
112 if (k != 0) {
113 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
114 const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
115 a0 = (const int8_t*) ((uintptr_t) a0 + k);
116 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
117 const __m128i vxa1 = _mm_cvtepi8_epi16(va1);
118 a1 = (const int8_t*) ((uintptr_t) a1 + k);
119 const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
120 const __m128i vxa2 = _mm_cvtepi8_epi16(va2);
121 a2 = (const int8_t*) ((uintptr_t) a2 + k);
122
123 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
124 const __m128i vxb0 = _mm_cvtepi8_epi16(vb0);
125 w = (const void*) ((const int8_t*) w + 8);
126
127 vacc0x0123 = _mm_add_epi32(vacc0x0123,
128 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
129 vacc1x0123 = _mm_add_epi32(vacc1x0123,
130 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
131 vacc2x0123 = _mm_add_epi32(vacc2x0123,
132 _mm_madd_epi16(_mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 0, 0, 0)), vxb0));
133
134 if (k > 2 * sizeof(int8_t)) {
135 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) w);
136 const __m128i vxb1 = _mm_cvtepi8_epi16(vb1);
137 w = (const void*) ((const int8_t*) w + 8);
138
139 vacc0x0123 = _mm_add_epi32(vacc0x0123,
140 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
141 vacc1x0123 = _mm_add_epi32(vacc1x0123,
142 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
143 vacc2x0123 = _mm_add_epi32(vacc2x0123,
144 _mm_madd_epi16(_mm_shuffle_epi32(vxa2, _MM_SHUFFLE(1, 1, 1, 1)), vxb1));
145
146 if (k > 4 * sizeof(int8_t)) {
147 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) w);
148 const __m128i vxb2 = _mm_cvtepi8_epi16(vb2);
149 w = (const void*) ((const int8_t*) w + 8);
150
151 vacc0x0123 = _mm_add_epi32(vacc0x0123,
152 _mm_madd_epi16(_mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
153 vacc1x0123 = _mm_add_epi32(vacc1x0123,
154 _mm_madd_epi16(_mm_shuffle_epi32(vxa1, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
155 vacc2x0123 = _mm_add_epi32(vacc2x0123,
156 _mm_madd_epi16(_mm_shuffle_epi32(vxa2, _MM_SHUFFLE(2, 2, 2, 2)), vxb2));
157 }
158 }
159 }
160
161 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
162 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
163 __m128 vscaled2x0123 = _mm_cvtepi32_ps(vacc2x0123);
164
165 const __m128 vscale0123 = _mm_loadu_ps((const float*) w);
166 w = (const void*) ((const float*) w + 4);
167 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
168 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale0123);
169 vscaled2x0123 = _mm_mul_ps(vscaled2x0123, vscale0123);
170
171 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->sse4.output_max_less_zero_point);
172 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
173 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
174 vscaled2x0123 = _mm_min_ps(vscaled2x0123, voutput_max_less_zero_point);
175
176 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
177 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
178 vacc2x0123 = _mm_cvtps_epi32(vscaled2x0123);
179
180 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse4.output_zero_point);
181 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
182 __m128i vacc22x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc2x0123), voutput_zero_point);
183
184
185 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc22x0123);
186
187 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->sse4.output_min));
188
189 if (nc >= 4) {
190 *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout);
191 *((uint32_t*) c1) = (uint32_t) _mm_extract_epi32(vout, 1);
192 *((uint32_t*) c2) = (uint32_t) _mm_extract_epi32(vout, 2);
193
194 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
195 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
196 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
197
198 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
199 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
200 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
201
202 nc -= 4;
203 } else {
204 if (nc & 2) {
205 *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0);
206 c0 += 2;
207 *((uint16_t*) c1) = (uint16_t) _mm_extract_epi16(vout, 2);
208 c1 += 2;
209 *((uint16_t*) c2) = (uint16_t) _mm_extract_epi16(vout, 4);
210 c2 += 2;
211 vout = _mm_srli_epi32(vout, 16);
212 }
213 if (nc & 1) {
214 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
215 *c1 = (int8_t) _mm_extract_epi8(vout, 4);
216 *c2 = (int8_t) _mm_extract_epi8(vout, 8);
217 }
218
219 nc = 0;
220 }
221 } while (nc != 0);
222 }
223