1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/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 <emmintrin.h>
13
14 #include <xnnpack/igemm.h>
15 #include <xnnpack/math.h>
16
17
xnn_qs8_igemm_minmax_fp32_ukernel_3x4c8__sse2_ld128(size_t mr,size_t nc,size_t kc,size_t ks,const int8_t ** restrict a,const void * restrict w,int8_t * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const int8_t * zero,const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_qs8_igemm_minmax_fp32_ukernel_3x4c8__sse2_ld128(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 size_t ks,
23 const int8_t** restrict a,
24 const void* restrict w,
25 int8_t* restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 size_t a_offset,
29 const int8_t* zero,
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(ks != 0);
37 assert(ks % (3 * sizeof(void*)) == 0);
38 assert(a_offset % sizeof(int8_t) == 0);
39 assert(a != NULL);
40 assert(w != NULL);
41 assert(c != NULL);
42
43 kc = round_up_po2(kc, 8);
44 int8_t* c0 = c;
45 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
46 if XNN_UNPREDICTABLE(mr < 2) {
47 c1 = c0;
48 }
49 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
50 if XNN_UNPREDICTABLE(mr <= 2) {
51 c2 = c1;
52 }
53
54 do {
55 __m128i vacc0x0 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[0]);
56 __m128i vacc0x1 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[1]);
57 __m128i vacc0x2 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[2]);
58 __m128i vacc0x3 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[3]);
59 __m128i vacc1x0 = vacc0x0;
60 __m128i vacc1x1 = vacc0x1;
61 __m128i vacc1x2 = vacc0x2;
62 __m128i vacc1x3 = vacc0x3;
63 __m128i vacc2x0 = vacc0x0;
64 __m128i vacc2x1 = vacc0x1;
65 __m128i vacc2x2 = vacc0x2;
66 __m128i vacc2x3 = vacc0x3;
67 w = (const void*) ((const int32_t*) w + 4);
68
69 size_t p = ks;
70 do {
71 const int8_t* restrict a0 = a[0];
72 if XNN_UNPREDICTABLE(a0 != zero) {
73 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
74 }
75 const int8_t* restrict a1 = a[1];
76 if XNN_UNPREDICTABLE(a1 != zero) {
77 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
78 }
79 const int8_t* restrict a2 = a[2];
80 if XNN_UNPREDICTABLE(a2 != zero) {
81 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
82 }
83 a += 3;
84
85 size_t k = 0;
86 while (k < kc) {
87 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
88 const __m128i vxa0 = _mm_srai_epi16(_mm_unpacklo_epi8(va0, va0), 8);
89 a0 += 8;
90 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
91 const __m128i vxa1 = _mm_srai_epi16(_mm_unpacklo_epi8(va1, va1), 8);
92 a1 += 8;
93 const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
94 const __m128i vxa2 = _mm_srai_epi16(_mm_unpacklo_epi8(va2, va2), 8);
95 a2 += 8;
96
97 const __m128i vb01 = _mm_load_si128((const __m128i*) w);
98 const __m128i vsb01 = _mm_cmpgt_epi8(_mm_setzero_si128(), vb01);
99 const __m128i vxb0 = _mm_unpacklo_epi8(vb01, vsb01);
100 const __m128i vxb1 = _mm_unpackhi_epi8(vb01, vsb01);
101
102 vacc0x0 = _mm_add_epi32(vacc0x0, _mm_madd_epi16(vxa0, vxb0));
103 vacc0x1 = _mm_add_epi32(vacc0x1, _mm_madd_epi16(vxa0, vxb1));
104 vacc1x0 = _mm_add_epi32(vacc1x0, _mm_madd_epi16(vxa1, vxb0));
105 vacc1x1 = _mm_add_epi32(vacc1x1, _mm_madd_epi16(vxa1, vxb1));
106 vacc2x0 = _mm_add_epi32(vacc2x0, _mm_madd_epi16(vxa2, vxb0));
107 vacc2x1 = _mm_add_epi32(vacc2x1, _mm_madd_epi16(vxa2, vxb1));
108 const __m128i vb23 = _mm_load_si128((const __m128i*) ((const int8_t*) w + 16));
109 const __m128i vsb23 = _mm_cmpgt_epi8(_mm_setzero_si128(), vb23);
110 const __m128i vxb2 = _mm_unpacklo_epi8(vb23, vsb23);
111 const __m128i vxb3 = _mm_unpackhi_epi8(vb23, vsb23);
112
113 vacc0x2 = _mm_add_epi32(vacc0x2, _mm_madd_epi16(vxa0, vxb2));
114 vacc0x3 = _mm_add_epi32(vacc0x3, _mm_madd_epi16(vxa0, vxb3));
115 vacc1x2 = _mm_add_epi32(vacc1x2, _mm_madd_epi16(vxa1, vxb2));
116 vacc1x3 = _mm_add_epi32(vacc1x3, _mm_madd_epi16(vxa1, vxb3));
117 vacc2x2 = _mm_add_epi32(vacc2x2, _mm_madd_epi16(vxa2, vxb2));
118 vacc2x3 = _mm_add_epi32(vacc2x3, _mm_madd_epi16(vxa2, vxb3));
119
120 w = (const void*) ((const int8_t*) w + 32);
121 k += 8 * sizeof(int8_t);
122 }
123 p -= 3 * sizeof(void*);
124 } while (p != 0);
125
126 const __m128i vacc0x02 = _mm_add_epi32(_mm_unpacklo_epi32(vacc0x0, vacc0x2), _mm_unpackhi_epi32(vacc0x0, vacc0x2));
127 const __m128i vacc0x13 = _mm_add_epi32(_mm_unpacklo_epi32(vacc0x1, vacc0x3), _mm_unpackhi_epi32(vacc0x1, vacc0x3));
128 const __m128i vacc1x02 = _mm_add_epi32(_mm_unpacklo_epi32(vacc1x0, vacc1x2), _mm_unpackhi_epi32(vacc1x0, vacc1x2));
129 const __m128i vacc1x13 = _mm_add_epi32(_mm_unpacklo_epi32(vacc1x1, vacc1x3), _mm_unpackhi_epi32(vacc1x1, vacc1x3));
130 const __m128i vacc2x02 = _mm_add_epi32(_mm_unpacklo_epi32(vacc2x0, vacc2x2), _mm_unpackhi_epi32(vacc2x0, vacc2x2));
131 const __m128i vacc2x13 = _mm_add_epi32(_mm_unpacklo_epi32(vacc2x1, vacc2x3), _mm_unpackhi_epi32(vacc2x1, vacc2x3));
132
133 __m128i vacc0x0123 = _mm_add_epi32(_mm_unpacklo_epi32(vacc0x02, vacc0x13), _mm_unpackhi_epi32(vacc0x02, vacc0x13));
134 __m128i vacc1x0123 = _mm_add_epi32(_mm_unpacklo_epi32(vacc1x02, vacc1x13), _mm_unpackhi_epi32(vacc1x02, vacc1x13));
135 __m128i vacc2x0123 = _mm_add_epi32(_mm_unpacklo_epi32(vacc2x02, vacc2x13), _mm_unpackhi_epi32(vacc2x02, vacc2x13));
136
137 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
138 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
139 __m128 vscaled2x0123 = _mm_cvtepi32_ps(vacc2x0123);
140
141 const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
142 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
143 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale);
144 vscaled2x0123 = _mm_mul_ps(vscaled2x0123, vscale);
145
146 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
147 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
148 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
149 vscaled2x0123 = _mm_min_ps(vscaled2x0123, voutput_max_less_zero_point);
150
151 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
152 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
153 vacc2x0123 = _mm_cvtps_epi32(vscaled2x0123);
154
155 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
156 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
157 __m128i vacc22x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc2x0123), voutput_zero_point);
158
159 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
160 vacc01x0123 = _mm_max_epi16(vacc01x0123, voutput_min);
161 vacc22x0123 = _mm_max_epi16(vacc22x0123, voutput_min);
162
163 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc22x0123);
164
165
166 if (nc >= 4) {
167 *((uint32_t*) c2) = (uint32_t) _mm_cvtsi128_si32(_mm_shuffle_epi32(vout, _MM_SHUFFLE(2, 2, 2, 2)));
168 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
169 *((uint32_t*) c1) = (uint32_t) _mm_cvtsi128_si32(_mm_shuffle_epi32(vout, _MM_SHUFFLE(1, 1, 1, 1)));
170 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
171 *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout);
172 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
173
174 a = (const int8_t**restrict) ((uintptr_t) a - ks);
175
176 nc -= 4;
177 } else {
178 if (nc & 2) {
179 *((uint16_t*) c2) = (uint16_t) _mm_extract_epi16(vout, 4);
180 c2 += 2;
181 *((uint16_t*) c1) = (uint16_t) _mm_extract_epi16(vout, 2);
182 c1 += 2;
183 *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0);
184 c0 += 2;
185 vout = _mm_srli_epi32(vout, 16);
186 }
187 if (nc & 1) {
188 *c2 = (int8_t) _mm_extract_epi16(vout, 4);
189 *c1 = (int8_t) _mm_extract_epi16(vout, 2);
190 *c0 = (int8_t) _mm_cvtsi128_si32(vout);
191 }
192
193 nc = 0;
194 }
195 } while (nc != 0);
196 }
197