1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-igemm/MRx4c2s4-sse.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2022 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 #include <xnnpack/unaligned.h>
17
18
xnn_qc8_igemm_minmax_fp32_ukernel_3x4c2s4__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_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_qc8_igemm_minmax_fp32_ukernel_3x4c2s4__sse2_ld128(
20 size_t mr,
21 size_t nc,
22 size_t kc,
23 size_t ks,
24 const int8_t** restrict a,
25 const void* restrict w,
26 int8_t* restrict c,
27 size_t cm_stride,
28 size_t cn_stride,
29 size_t a_offset,
30 const int8_t* zero,
31 const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
32 {
33 assert(mr != 0);
34 assert(mr <= 3);
35 assert(nc != 0);
36 assert(kc != 0);
37 assert(ks != 0);
38 assert(ks % (3 * sizeof(void*)) == 0);
39 assert(a_offset % sizeof(int8_t) == 0);
40 assert(a != NULL);
41 assert(w != NULL);
42 assert(c != NULL);
43
44 kc = round_up_po2(kc, 8 * sizeof(int8_t));
45 int8_t* c0 = c;
46 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
47 if XNN_UNPREDICTABLE(mr < 2) {
48 c1 = c0;
49 }
50 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
51 if XNN_UNPREDICTABLE(mr <= 2) {
52 c2 = c1;
53 }
54
55 do {
56 __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
57 __m128i vacc1x0123 = vacc0x0123;
58 __m128i vacc2x0123 = vacc0x0123;
59 w = (const void*) ((const int32_t*) w + 4);
60
61 size_t p = ks;
62 do {
63 const int8_t* restrict a0 = a[0];
64 if XNN_UNPREDICTABLE(a0 != zero) {
65 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
66 }
67 const int8_t* restrict a1 = a[1];
68 if XNN_UNPREDICTABLE(a1 != zero) {
69 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
70 }
71 const int8_t* restrict a2 = a[2];
72 if XNN_UNPREDICTABLE(a2 != zero) {
73 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
74 }
75 a += 3;
76
77 size_t k = kc;
78 do {
79 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
80 __m128i vxa0 = _mm_srai_epi16(_mm_unpacklo_epi8(va0, va0), 8);
81 a0 += 8;
82 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
83 __m128i vxa1 = _mm_srai_epi16(_mm_unpacklo_epi8(va1, va1), 8);
84 a1 += 8;
85 const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
86 __m128i vxa2 = _mm_srai_epi16(_mm_unpacklo_epi8(va2, va2), 8);
87 a2 += 8;
88
89 const __m128i vb01 = _mm_loadu_si128((const __m128i*) w);
90 const __m128i vsb01 = _mm_cmpgt_epi8(_mm_setzero_si128(), vb01);
91 const __m128i vxb0 = _mm_unpacklo_epi8(vb01, vsb01);
92 const __m128i vxb1 = _mm_unpackhi_epi8(vb01, vsb01);
93
94 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb0));
95 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
96 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb0));
97 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
98 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb0));
99 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
100
101 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb1));
102 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
103 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb1));
104 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
105 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb1));
106 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
107 const __m128i vb23 = _mm_loadu_si128((const __m128i*) ((const int8_t*) w + 16));
108 const __m128i vsb23 = _mm_cmpgt_epi8(_mm_setzero_si128(), vb23);
109 const __m128i vxb2 = _mm_unpacklo_epi8(vb23, vsb23);
110 const __m128i vxb3 = _mm_unpackhi_epi8(vb23, vsb23);
111
112 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb2));
113 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
114 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb2));
115 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
116 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb2));
117 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
118
119 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb3));
120 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb3));
121 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb3));
122
123 w = (const void*) ((const int8_t*) w + 32);
124 k -= 8 * sizeof(int8_t);
125 } while (k != 0);
126 p -= 3 * sizeof(void*);
127 } while (p != 0);
128
129 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
130 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
131 __m128 vscaled2x0123 = _mm_cvtepi32_ps(vacc2x0123);
132
133 const __m128 vscale0123 = _mm_loadu_ps((const float*) w);
134 w = (const void*) ((const float*) w + 4);
135 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
136 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale0123);
137 vscaled2x0123 = _mm_mul_ps(vscaled2x0123, vscale0123);
138
139 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
140 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
141 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
142 vscaled2x0123 = _mm_min_ps(vscaled2x0123, voutput_max_less_zero_point);
143
144 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
145 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
146 vacc2x0123 = _mm_cvtps_epi32(vscaled2x0123);
147
148 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
149 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
150 __m128i vacc22x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc2x0123), voutput_zero_point);
151
152 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
153 vacc01x0123 = _mm_max_epi16(vacc01x0123, voutput_min);
154 vacc22x0123 = _mm_max_epi16(vacc22x0123, voutput_min);
155
156 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc22x0123);
157
158
159 if (nc >= 4) {
160 unaligned_store_u32(c2, (uint32_t) _mm_cvtsi128_si32(_mm_shuffle_epi32(vout, _MM_SHUFFLE(2, 2, 2, 2))));
161 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
162 unaligned_store_u32(c1, (uint32_t) _mm_cvtsi128_si32(_mm_shuffle_epi32(vout, _MM_SHUFFLE(1, 1, 1, 1))));
163 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
164 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
165 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
166
167 a = (const int8_t**restrict) ((uintptr_t) a - ks);
168
169 nc -= 4;
170 } else {
171 if (nc & 2) {
172 unaligned_store_u16(c2, (uint16_t) _mm_extract_epi16(vout, 4));
173 c2 += 2;
174 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
175 c1 += 2;
176 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
177 c0 += 2;
178 vout = _mm_srli_epi32(vout, 16);
179 }
180 if (nc & 1) {
181 *c2 = (int8_t) _mm_extract_epi16(vout, 4);
182 *c1 = (int8_t) _mm_extract_epi16(vout, 2);
183 *c0 = (int8_t) _mm_cvtsi128_si32(vout);
184 }
185
186 nc = 0;
187 }
188 } while (nc != 0);
189 }
190