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_4x4c2s4__sse2_ld64(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_4x4c2s4__sse2_ld64(
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 <= 4);
35 assert(nc != 0);
36 assert(kc != 0);
37 assert(ks != 0);
38 assert(ks % (4 * 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 int8_t* c3 = (int8_t*) ((uintptr_t) c2 + cm_stride);
55 if XNN_UNPREDICTABLE(mr != 4) {
56 c3 = c2;
57 }
58
59 do {
60 __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
61 __m128i vacc1x0123 = vacc0x0123;
62 __m128i vacc2x0123 = vacc0x0123;
63 __m128i vacc3x0123 = vacc0x0123;
64 w = (const void*) ((const int32_t*) w + 4);
65
66 size_t p = ks;
67 do {
68 const int8_t* restrict a0 = a[0];
69 if XNN_UNPREDICTABLE(a0 != zero) {
70 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
71 }
72 const int8_t* restrict a1 = a[1];
73 if XNN_UNPREDICTABLE(a1 != zero) {
74 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
75 }
76 const int8_t* restrict a2 = a[2];
77 if XNN_UNPREDICTABLE(a2 != zero) {
78 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
79 }
80 const int8_t* restrict a3 = a[3];
81 if XNN_UNPREDICTABLE(a3 != zero) {
82 a3 = (const int8_t*) ((uintptr_t) a3 + a_offset);
83 }
84 a += 4;
85
86 size_t k = kc;
87 do {
88 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
89 __m128i vxa0 = _mm_srai_epi16(_mm_unpacklo_epi8(va0, va0), 8);
90 a0 += 8;
91 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
92 __m128i vxa1 = _mm_srai_epi16(_mm_unpacklo_epi8(va1, va1), 8);
93 a1 += 8;
94 const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
95 __m128i vxa2 = _mm_srai_epi16(_mm_unpacklo_epi8(va2, va2), 8);
96 a2 += 8;
97 const __m128i va3 = _mm_loadl_epi64((const __m128i*) a3);
98 __m128i vxa3 = _mm_srai_epi16(_mm_unpacklo_epi8(va3, va3), 8);
99 a3 += 8;
100
101 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
102 const __m128i vxb0 = _mm_srai_epi16(_mm_unpacklo_epi8(vb0, vb0), 8);
103
104 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb0));
105 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
106 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb0));
107 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
108 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb0));
109 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
110 vacc3x0123 = _mm_add_epi32(vacc3x0123, _mm_madd_epi16(vxa3, vxb0));
111 vxa3 = _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 3, 2, 1));
112 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 8));
113 const __m128i vxb1 = _mm_srai_epi16(_mm_unpacklo_epi8(vb1, vb1), 8);
114
115 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb1));
116 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
117 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb1));
118 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
119 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb1));
120 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
121 vacc3x0123 = _mm_add_epi32(vacc3x0123, _mm_madd_epi16(vxa3, vxb1));
122 vxa3 = _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 3, 2, 1));
123 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 16));
124 const __m128i vxb2 = _mm_srai_epi16(_mm_unpacklo_epi8(vb2, vb2), 8);
125
126 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb2));
127 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
128 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb2));
129 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
130 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb2));
131 vxa2 = _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 3, 2, 1));
132 vacc3x0123 = _mm_add_epi32(vacc3x0123, _mm_madd_epi16(vxa3, vxb2));
133 vxa3 = _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 3, 2, 1));
134 const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 24));
135 const __m128i vxb3 = _mm_srai_epi16(_mm_unpacklo_epi8(vb3, vb3), 8);
136
137 vacc0x0123 = _mm_add_epi32(vacc0x0123, _mm_madd_epi16(vxa0, vxb3));
138 vacc1x0123 = _mm_add_epi32(vacc1x0123, _mm_madd_epi16(vxa1, vxb3));
139 vacc2x0123 = _mm_add_epi32(vacc2x0123, _mm_madd_epi16(vxa2, vxb3));
140 vacc3x0123 = _mm_add_epi32(vacc3x0123, _mm_madd_epi16(vxa3, vxb3));
141
142 w = (const void*) ((const int8_t*) w + 32);
143 k -= 8 * sizeof(int8_t);
144 } while (k != 0);
145 p -= 4 * sizeof(void*);
146 } while (p != 0);
147
148 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
149 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
150 __m128 vscaled2x0123 = _mm_cvtepi32_ps(vacc2x0123);
151 __m128 vscaled3x0123 = _mm_cvtepi32_ps(vacc3x0123);
152
153 const __m128 vscale0123 = _mm_loadu_ps((const float*) w);
154 w = (const void*) ((const float*) w + 4);
155 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
156 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale0123);
157 vscaled2x0123 = _mm_mul_ps(vscaled2x0123, vscale0123);
158 vscaled3x0123 = _mm_mul_ps(vscaled3x0123, vscale0123);
159
160 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
161 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
162 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
163 vscaled2x0123 = _mm_min_ps(vscaled2x0123, voutput_max_less_zero_point);
164 vscaled3x0123 = _mm_min_ps(vscaled3x0123, voutput_max_less_zero_point);
165
166 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
167 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
168 vacc2x0123 = _mm_cvtps_epi32(vscaled2x0123);
169 vacc3x0123 = _mm_cvtps_epi32(vscaled3x0123);
170
171 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
172 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
173 __m128i vacc23x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc3x0123), voutput_zero_point);
174
175 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
176 vacc01x0123 = _mm_max_epi16(vacc01x0123, voutput_min);
177 vacc23x0123 = _mm_max_epi16(vacc23x0123, voutput_min);
178
179 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc23x0123);
180
181
182 if (nc >= 4) {
183 unaligned_store_u32(c3, (uint32_t) _mm_cvtsi128_si32(_mm_shuffle_epi32(vout, _MM_SHUFFLE(3, 3, 3, 3))));
184 c3 = (int8_t*) ((uintptr_t) c3 + cn_stride);
185 unaligned_store_u32(c2, (uint32_t) _mm_cvtsi128_si32(_mm_shuffle_epi32(vout, _MM_SHUFFLE(2, 2, 2, 2))));
186 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
187 unaligned_store_u32(c1, (uint32_t) _mm_cvtsi128_si32(_mm_shuffle_epi32(vout, _MM_SHUFFLE(1, 1, 1, 1))));
188 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
189 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
190 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
191
192 a = (const int8_t**restrict) ((uintptr_t) a - ks);
193
194 nc -= 4;
195 } else {
196 if (nc & 2) {
197 unaligned_store_u16(c3, (uint16_t) _mm_extract_epi16(vout, 6));
198 c3 += 2;
199 unaligned_store_u16(c2, (uint16_t) _mm_extract_epi16(vout, 4));
200 c2 += 2;
201 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
202 c1 += 2;
203 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
204 c0 += 2;
205 vout = _mm_srli_epi32(vout, 16);
206 }
207 if (nc & 1) {
208 *c3 = (int8_t) _mm_extract_epi16(vout, 6);
209 *c2 = (int8_t) _mm_extract_epi16(vout, 4);
210 *c1 = (int8_t) _mm_extract_epi16(vout, 2);
211 *c0 = (int8_t) _mm_cvtsi128_si32(vout);
212 }
213
214 nc = 0;
215 }
216 } while (nc != 0);
217 }
218