1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/MRx4c8-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
xnn_qs8_gemm_minmax_ukernel_3x4c8__sse41_ld64(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_gemm_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_gemm_minmax_ukernel_3x4c8__sse41_ld64(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 const int8_t* restrict a,
23 size_t a_stride,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 const union xnn_qs8_gemm_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
29 {
30 assert(mr != 0);
31 assert(mr <= 3);
32 assert(nc != 0);
33 assert(kc != 0);
34 assert(kc % sizeof(int8_t) == 0);
35 assert(a != NULL);
36 assert(w != NULL);
37 assert(c != NULL);
38
39 kc = round_up_po2(kc, 8);
40 const int8_t* a0 = a;
41 int8_t* c0 = c;
42 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
43 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
44 if XNN_UNPREDICTABLE(mr < 2) {
45 a1 = a0;
46 c1 = c0;
47 }
48 const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
49 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
50 if XNN_UNPREDICTABLE(mr <= 2) {
51 a2 = a1;
52 c2 = c1;
53 }
54
55 do {
56 __m128i vacc0x0 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[0]);
57 __m128i vacc0x1 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[1]);
58 __m128i vacc0x2 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[2]);
59 __m128i vacc0x3 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[3]);
60 __m128i vacc1x0 = vacc0x0;
61 __m128i vacc1x1 = vacc0x1;
62 __m128i vacc1x2 = vacc0x2;
63 __m128i vacc1x3 = vacc0x3;
64 __m128i vacc2x0 = vacc0x0;
65 __m128i vacc2x1 = vacc0x1;
66 __m128i vacc2x2 = vacc0x2;
67 __m128i vacc2x3 = vacc0x3;
68 w = (const void*) ((uintptr_t) w + 4 * sizeof(int32_t));
69
70 size_t k = 0;
71 while (k < kc) {
72 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
73 const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
74 a0 += 8;
75 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
76 const __m128i vxa1 = _mm_cvtepi8_epi16(va1);
77 a1 += 8;
78 const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
79 const __m128i vxa2 = _mm_cvtepi8_epi16(va2);
80 a2 += 8;
81
82 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
83 const __m128i vxb0 = _mm_cvtepi8_epi16(vb0);
84
85 vacc0x0 = _mm_add_epi32(vacc0x0, _mm_madd_epi16(vxa0, vxb0));
86 vacc1x0 = _mm_add_epi32(vacc1x0, _mm_madd_epi16(vxa1, vxb0));
87 vacc2x0 = _mm_add_epi32(vacc2x0, _mm_madd_epi16(vxa2, vxb0));
88 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 8 * sizeof(int8_t)));
89 const __m128i vxb1 = _mm_cvtepi8_epi16(vb1);
90
91 vacc0x1 = _mm_add_epi32(vacc0x1, _mm_madd_epi16(vxa0, vxb1));
92 vacc1x1 = _mm_add_epi32(vacc1x1, _mm_madd_epi16(vxa1, vxb1));
93 vacc2x1 = _mm_add_epi32(vacc2x1, _mm_madd_epi16(vxa2, vxb1));
94 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 16 * sizeof(int8_t)));
95 const __m128i vxb2 = _mm_cvtepi8_epi16(vb2);
96
97 vacc0x2 = _mm_add_epi32(vacc0x2, _mm_madd_epi16(vxa0, vxb2));
98 vacc1x2 = _mm_add_epi32(vacc1x2, _mm_madd_epi16(vxa1, vxb2));
99 vacc2x2 = _mm_add_epi32(vacc2x2, _mm_madd_epi16(vxa2, vxb2));
100 const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((uintptr_t) w + 24 * sizeof(int8_t)));
101 const __m128i vxb3 = _mm_cvtepi8_epi16(vb3);
102
103 vacc0x3 = _mm_add_epi32(vacc0x3, _mm_madd_epi16(vxa0, vxb3));
104 vacc1x3 = _mm_add_epi32(vacc1x3, _mm_madd_epi16(vxa1, vxb3));
105 vacc2x3 = _mm_add_epi32(vacc2x3, _mm_madd_epi16(vxa2, vxb3));
106
107 w = (const void*) ((uintptr_t) w + 32 * sizeof(int8_t));
108 k += 8 * sizeof(int8_t);
109 }
110
111 const __m128i vacc0x01 = _mm_hadd_epi32(vacc0x0, vacc0x1);
112 const __m128i vacc0x23 = _mm_hadd_epi32(vacc0x2, vacc0x3);
113 const __m128i vacc1x01 = _mm_hadd_epi32(vacc1x0, vacc1x1);
114 const __m128i vacc1x23 = _mm_hadd_epi32(vacc1x2, vacc1x3);
115 const __m128i vacc2x01 = _mm_hadd_epi32(vacc2x0, vacc2x1);
116 const __m128i vacc2x23 = _mm_hadd_epi32(vacc2x2, vacc2x3);
117
118 __m128i vacc0x0123 = _mm_hadd_epi32(vacc0x01, vacc0x23);
119 __m128i vacc1x0123 = _mm_hadd_epi32(vacc1x01, vacc1x23);
120 __m128i vacc2x0123 = _mm_hadd_epi32(vacc2x01, vacc2x23);
121
122 const __m128i vmultiplier = _mm_load_si128((const __m128i*) params->sse2.multiplier);
123 const __m128i vrounding = _mm_load_si128((const __m128i*) params->sse2.rounding);
124
125 const __m128i vacc0x1133 = _mm_shuffle_epi32(vacc0x0123, _MM_SHUFFLE(3, 3, 1, 1));
126 const __m128i vacc1x1133 = _mm_shuffle_epi32(vacc1x0123, _MM_SHUFFLE(3, 3, 1, 1));
127 const __m128i vacc2x1133 = _mm_shuffle_epi32(vacc2x0123, _MM_SHUFFLE(3, 3, 1, 1));
128
129 const __m128i vprod0x02 = _mm_add_epi64(_mm_mul_epi32(vacc0x0123, vmultiplier), vrounding);
130 const __m128i vprod1x02 = _mm_add_epi64(_mm_mul_epi32(vacc1x0123, vmultiplier), vrounding);
131 const __m128i vprod2x02 = _mm_add_epi64(_mm_mul_epi32(vacc2x0123, vmultiplier), vrounding);
132
133 const __m128i vprod0x13 = _mm_add_epi64(_mm_mul_epi32(vacc0x1133, vmultiplier), vrounding);
134 const __m128i vprod1x13 = _mm_add_epi64(_mm_mul_epi32(vacc1x1133, vmultiplier), vrounding);
135 const __m128i vprod2x13 = _mm_add_epi64(_mm_mul_epi32(vacc2x1133, vmultiplier), vrounding);
136
137 const __m128i vq31prod0x02 = _mm_srli_epi64(vprod0x02, 31);
138 const __m128i vq31prod0x13 = _mm_add_epi64(vprod0x13, vprod0x13);
139 const __m128i vq31prod1x02 = _mm_srli_epi64(vprod1x02, 31);
140 const __m128i vq31prod1x13 = _mm_add_epi64(vprod1x13, vprod1x13);
141 const __m128i vq31prod2x02 = _mm_srli_epi64(vprod2x02, 31);
142 const __m128i vq31prod2x13 = _mm_add_epi64(vprod2x13, vprod2x13);
143
144 const __m128i vq31prod0x0123 = _mm_blend_epi16(vq31prod0x02, vq31prod0x13, 0xCC);
145 const __m128i vq31prod1x0123 = _mm_blend_epi16(vq31prod1x02, vq31prod1x13, 0xCC);
146 const __m128i vq31prod2x0123 = _mm_blend_epi16(vq31prod2x02, vq31prod2x13, 0xCC);
147
148 const __m128i vremainder_mask = _mm_load_si128((const __m128i*) params->sse2.remainder_mask);
149 const __m128i vrem0x0123 =
150 _mm_add_epi32(_mm_and_si128(vq31prod0x0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod0x0123));
151 const __m128i vrem1x0123 =
152 _mm_add_epi32(_mm_and_si128(vq31prod1x0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod1x0123));
153 const __m128i vrem2x0123 =
154 _mm_add_epi32(_mm_and_si128(vq31prod2x0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod2x0123));
155
156 const __m128i vremainder_threshold = _mm_load_si128((const __m128i*) params->sse2.remainder_threshold);
157 const __m128i vshift = _mm_load_si128((const __m128i*) params->sse2.shift);
158 vacc0x0123 =
159 _mm_sub_epi32(_mm_sra_epi32(vq31prod0x0123, vshift), _mm_cmpgt_epi32(vrem0x0123, vremainder_threshold));
160 vacc1x0123 =
161 _mm_sub_epi32(_mm_sra_epi32(vq31prod1x0123, vshift), _mm_cmpgt_epi32(vrem1x0123, vremainder_threshold));
162 vacc2x0123 =
163 _mm_sub_epi32(_mm_sra_epi32(vq31prod2x0123, vshift), _mm_cmpgt_epi32(vrem2x0123, vremainder_threshold));
164
165 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse2.output_zero_point);
166 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
167 __m128i vacc22x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc2x0123), voutput_zero_point);
168
169 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->sse2.output_min);
170 const __m128i voutput_max = _mm_load_si128((const __m128i*) params->sse2.output_max);
171 vacc01x0123 = _mm_min_epi16(_mm_max_epi16(vacc01x0123, voutput_min), voutput_max);
172 vacc22x0123 = _mm_min_epi16(_mm_max_epi16(vacc22x0123, voutput_min), voutput_max);
173
174 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc22x0123);
175
176 if (nc >= 4) {
177 *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout);
178 *((uint32_t*) c1) = (uint32_t) _mm_extract_epi32(vout, 1);
179 *((uint32_t*) c2) = (uint32_t) _mm_extract_epi32(vout, 2);
180
181 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
182 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
183 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
184
185 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
186 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
187 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
188
189 nc -= 4;
190 } else {
191 if (nc & 2) {
192 *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0);
193 c0 += 2;
194 *((uint16_t*) c1) = (uint16_t) _mm_extract_epi16(vout, 2);
195 c1 += 2;
196 *((uint16_t*) c2) = (uint16_t) _mm_extract_epi16(vout, 4);
197 c2 += 2;
198 vout = _mm_srli_epi32(vout, 16);
199 }
200 if (nc & 1) {
201 *((int8_t*) c0) = (int8_t) _mm_extract_epi8(vout, 0);
202 *((int8_t*) c1) = (int8_t) _mm_extract_epi8(vout, 4);
203 *((int8_t*) c2) = (int8_t) _mm_extract_epi8(vout, 8);
204 }
205
206 nc = 0;
207 }
208 } while (nc != 0);
209 }
210