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 #include <xnnpack/unaligned.h>
17
18
xnn_qc8_igemm_minmax_fp32_ukernel_3x4c8__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_3x4c8__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 <= 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);
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 vacc0x0 = _mm_cvtsi32_si128(((const int*) w)[0]);
57 __m128i vacc0x1 = _mm_cvtsi32_si128(((const int*) w)[1]);
58 __m128i vacc0x2 = _mm_cvtsi32_si128(((const int*) w)[2]);
59 __m128i vacc0x3 = _mm_cvtsi32_si128(((const int*) 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 int32_t*) w + 4;
69
70 size_t p = ks;
71 do {
72 const int8_t* restrict a0 = a[0];
73 if XNN_UNPREDICTABLE(a0 != zero) {
74 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
75 }
76 const int8_t* restrict a1 = a[1];
77 if XNN_UNPREDICTABLE(a1 != zero) {
78 a1 = (const int8_t*) ((uintptr_t) a1 + a_offset);
79 }
80 const int8_t* restrict a2 = a[2];
81 if XNN_UNPREDICTABLE(a2 != zero) {
82 a2 = (const int8_t*) ((uintptr_t) a2 + a_offset);
83 }
84 a += 3;
85
86 size_t k = 0;
87 while (k < kc) {
88 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
89 const __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 const __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 const __m128i vxa2 = _mm_srai_epi16(_mm_unpacklo_epi8(va2, va2), 8);
96 a2 += 8;
97
98 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
99 const __m128i vxb0 = _mm_srai_epi16(_mm_unpacklo_epi8(vb0, vb0), 8);
100
101 vacc0x0 = _mm_add_epi32(vacc0x0, _mm_madd_epi16(vxa0, vxb0));
102 vacc1x0 = _mm_add_epi32(vacc1x0, _mm_madd_epi16(vxa1, vxb0));
103 vacc2x0 = _mm_add_epi32(vacc2x0, _mm_madd_epi16(vxa2, vxb0));
104 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 8));
105 const __m128i vxb1 = _mm_srai_epi16(_mm_unpacklo_epi8(vb1, vb1), 8);
106
107 vacc0x1 = _mm_add_epi32(vacc0x1, _mm_madd_epi16(vxa0, vxb1));
108 vacc1x1 = _mm_add_epi32(vacc1x1, _mm_madd_epi16(vxa1, vxb1));
109 vacc2x1 = _mm_add_epi32(vacc2x1, _mm_madd_epi16(vxa2, vxb1));
110 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 16));
111 const __m128i vxb2 = _mm_srai_epi16(_mm_unpacklo_epi8(vb2, vb2), 8);
112
113 vacc0x2 = _mm_add_epi32(vacc0x2, _mm_madd_epi16(vxa0, vxb2));
114 vacc1x2 = _mm_add_epi32(vacc1x2, _mm_madd_epi16(vxa1, vxb2));
115 vacc2x2 = _mm_add_epi32(vacc2x2, _mm_madd_epi16(vxa2, vxb2));
116 const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 24));
117 const __m128i vxb3 = _mm_srai_epi16(_mm_unpacklo_epi8(vb3, vb3), 8);
118
119 vacc0x3 = _mm_add_epi32(vacc0x3, _mm_madd_epi16(vxa0, vxb3));
120 vacc1x3 = _mm_add_epi32(vacc1x3, _mm_madd_epi16(vxa1, vxb3));
121 vacc2x3 = _mm_add_epi32(vacc2x3, _mm_madd_epi16(vxa2, vxb3));
122
123 w = (const void*) ((const int8_t*) w + 32);
124 k += 8 * sizeof(int8_t);
125 }
126 p -= 3 * sizeof(void*);
127 } while (p != 0);
128
129 const __m128i vacc0x02 = _mm_add_epi32(_mm_unpacklo_epi32(vacc0x0, vacc0x2), _mm_unpackhi_epi32(vacc0x0, vacc0x2));
130 const __m128i vacc0x13 = _mm_add_epi32(_mm_unpacklo_epi32(vacc0x1, vacc0x3), _mm_unpackhi_epi32(vacc0x1, vacc0x3));
131 const __m128i vacc1x02 = _mm_add_epi32(_mm_unpacklo_epi32(vacc1x0, vacc1x2), _mm_unpackhi_epi32(vacc1x0, vacc1x2));
132 const __m128i vacc1x13 = _mm_add_epi32(_mm_unpacklo_epi32(vacc1x1, vacc1x3), _mm_unpackhi_epi32(vacc1x1, vacc1x3));
133 const __m128i vacc2x02 = _mm_add_epi32(_mm_unpacklo_epi32(vacc2x0, vacc2x2), _mm_unpackhi_epi32(vacc2x0, vacc2x2));
134 const __m128i vacc2x13 = _mm_add_epi32(_mm_unpacklo_epi32(vacc2x1, vacc2x3), _mm_unpackhi_epi32(vacc2x1, vacc2x3));
135
136 __m128i vacc0x0123 = _mm_add_epi32(_mm_unpacklo_epi32(vacc0x02, vacc0x13), _mm_unpackhi_epi32(vacc0x02, vacc0x13));
137 __m128i vacc1x0123 = _mm_add_epi32(_mm_unpacklo_epi32(vacc1x02, vacc1x13), _mm_unpackhi_epi32(vacc1x02, vacc1x13));
138 __m128i vacc2x0123 = _mm_add_epi32(_mm_unpacklo_epi32(vacc2x02, vacc2x13), _mm_unpackhi_epi32(vacc2x02, vacc2x13));
139
140 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
141 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
142 __m128 vscaled2x0123 = _mm_cvtepi32_ps(vacc2x0123);
143
144 const __m128 vscale0123 = _mm_load_ps((const float*) w);
145 w = (const void*) ((const float*) w + 4);
146 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
147 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale0123);
148 vscaled2x0123 = _mm_mul_ps(vscaled2x0123, vscale0123);
149
150 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
151 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
152 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
153 vscaled2x0123 = _mm_min_ps(vscaled2x0123, voutput_max_less_zero_point);
154
155 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
156 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
157 vacc2x0123 = _mm_cvtps_epi32(vscaled2x0123);
158
159 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
160 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
161 __m128i vacc22x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc2x0123), voutput_zero_point);
162
163 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
164 vacc01x0123 = _mm_max_epi16(vacc01x0123, voutput_min);
165 vacc22x0123 = _mm_max_epi16(vacc22x0123, voutput_min);
166
167 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc22x0123);
168
169
170 if (nc >= 4) {
171 unaligned_store_u32(c2, (uint32_t) _mm_cvtsi128_si32(_mm_shuffle_epi32(vout, _MM_SHUFFLE(2, 2, 2, 2))));
172 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
173 unaligned_store_u32(c1, (uint32_t) _mm_cvtsi128_si32(_mm_shuffle_epi32(vout, _MM_SHUFFLE(1, 1, 1, 1))));
174 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
175 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
176 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
177
178 a = (const int8_t**restrict) ((uintptr_t) a - ks);
179
180 nc -= 4;
181 } else {
182 if (nc & 2) {
183 unaligned_store_u16(c2, (uint16_t) _mm_extract_epi16(vout, 4));
184 c2 += 2;
185 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
186 c1 += 2;
187 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
188 c0 += 2;
189 vout = _mm_srli_epi32(vout, 16);
190 }
191 if (nc & 1) {
192 *c2 = (int8_t) _mm_extract_epi16(vout, 4);
193 *c1 = (int8_t) _mm_extract_epi16(vout, 2);
194 *c0 = (int8_t) _mm_cvtsi128_si32(vout);
195 }
196
197 nc = 0;
198 }
199 } while (nc != 0);
200 }
201