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 <tmmintrin.h>
13
14 #include <xnnpack/gemm.h>
15 #include <xnnpack/math.h>
16 #include <xnnpack/unaligned.h>
17
18
xnn_qs8_gemm_xw_minmax_fp32_ukernel_3x4c8__ssse3(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_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_qs8_gemm_xw_minmax_fp32_ukernel_3x4c8__ssse3(
20 size_t mr,
21 size_t nc,
22 size_t kc,
23 const int8_t* restrict a,
24 size_t a_stride,
25 const void* restrict w,
26 int8_t* restrict c,
27 size_t cm_stride,
28 size_t cn_stride,
29 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
30 {
31 assert(mr != 0);
32 assert(mr <= 3);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(kc % sizeof(int8_t) == 0);
36 assert(a != NULL);
37 assert(w != NULL);
38 assert(c != NULL);
39
40 kc = round_up_po2(kc, 8);
41 const int8_t* a0 = a;
42 int8_t* c0 = c;
43 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
44 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
45 if XNN_UNPREDICTABLE(mr < 2) {
46 a1 = a0;
47 c1 = c0;
48 }
49 const int8_t* a2 = (const int8_t*) ((uintptr_t) a1 + a_stride);
50 int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride);
51 if XNN_UNPREDICTABLE(mr <= 2) {
52 a2 = a1;
53 c2 = c1;
54 }
55
56 do {
57 __m128i vacc0x0 = _mm_cvtsi32_si128(((const int*) w)[0]);
58 __m128i vacc0x1 = _mm_cvtsi32_si128(((const int*) w)[1]);
59 __m128i vacc0x2 = _mm_cvtsi32_si128(((const int*) w)[2]);
60 __m128i vacc0x3 = _mm_cvtsi32_si128(((const int*) w)[3]);
61 __m128i vacc1x0 = vacc0x0;
62 __m128i vacc1x1 = vacc0x1;
63 __m128i vacc1x2 = vacc0x2;
64 __m128i vacc1x3 = vacc0x3;
65 __m128i vacc2x0 = vacc0x0;
66 __m128i vacc2x1 = vacc0x1;
67 __m128i vacc2x2 = vacc0x2;
68 __m128i vacc2x3 = vacc0x3;
69 w = (const int32_t*) w + 4;
70
71 size_t k = 0;
72 while (k < kc) {
73 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
74 const __m128i vxa0 = _mm_srai_epi16(_mm_unpacklo_epi8(va0, va0), 8);
75 a0 += 8;
76 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
77 const __m128i vxa1 = _mm_srai_epi16(_mm_unpacklo_epi8(va1, va1), 8);
78 a1 += 8;
79 const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2);
80 const __m128i vxa2 = _mm_srai_epi16(_mm_unpacklo_epi8(va2, va2), 8);
81 a2 += 8;
82
83 const __m128i vxb0 = _mm_load_si128((const __m128i*) w);
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 vxb1 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 8));
89
90 vacc0x1 = _mm_add_epi32(vacc0x1, _mm_madd_epi16(vxa0, vxb1));
91 vacc1x1 = _mm_add_epi32(vacc1x1, _mm_madd_epi16(vxa1, vxb1));
92 vacc2x1 = _mm_add_epi32(vacc2x1, _mm_madd_epi16(vxa2, vxb1));
93 const __m128i vxb2 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 16));
94
95 vacc0x2 = _mm_add_epi32(vacc0x2, _mm_madd_epi16(vxa0, vxb2));
96 vacc1x2 = _mm_add_epi32(vacc1x2, _mm_madd_epi16(vxa1, vxb2));
97 vacc2x2 = _mm_add_epi32(vacc2x2, _mm_madd_epi16(vxa2, vxb2));
98 const __m128i vxb3 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 24));
99
100 vacc0x3 = _mm_add_epi32(vacc0x3, _mm_madd_epi16(vxa0, vxb3));
101 vacc1x3 = _mm_add_epi32(vacc1x3, _mm_madd_epi16(vxa1, vxb3));
102 vacc2x3 = _mm_add_epi32(vacc2x3, _mm_madd_epi16(vxa2, vxb3));
103
104 w = (const void*) ((const int16_t*) w + 32);
105 k += 8 * sizeof(int8_t);
106 }
107
108 const __m128i vacc0x01 = _mm_hadd_epi32(vacc0x0, vacc0x1);
109 const __m128i vacc0x23 = _mm_hadd_epi32(vacc0x2, vacc0x3);
110 const __m128i vacc1x01 = _mm_hadd_epi32(vacc1x0, vacc1x1);
111 const __m128i vacc1x23 = _mm_hadd_epi32(vacc1x2, vacc1x3);
112 const __m128i vacc2x01 = _mm_hadd_epi32(vacc2x0, vacc2x1);
113 const __m128i vacc2x23 = _mm_hadd_epi32(vacc2x2, vacc2x3);
114
115 __m128i vacc0x0123 = _mm_hadd_epi32(vacc0x01, vacc0x23);
116 __m128i vacc1x0123 = _mm_hadd_epi32(vacc1x01, vacc1x23);
117 __m128i vacc2x0123 = _mm_hadd_epi32(vacc2x01, vacc2x23);
118
119 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
120 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
121 __m128 vscaled2x0123 = _mm_cvtepi32_ps(vacc2x0123);
122
123 const __m128 vscale = _mm_load_ps(params->fp32_sse2.scale);
124 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
125 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale);
126 vscaled2x0123 = _mm_mul_ps(vscaled2x0123, vscale);
127
128 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse2.output_max_less_zero_point);
129 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
130 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
131 vscaled2x0123 = _mm_min_ps(vscaled2x0123, voutput_max_less_zero_point);
132
133 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
134 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
135 vacc2x0123 = _mm_cvtps_epi32(vscaled2x0123);
136
137 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse2.output_zero_point);
138 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
139 __m128i vacc22x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc2x0123), voutput_zero_point);
140
141 const __m128i voutput_min = _mm_load_si128((const __m128i*) params->fp32_sse2.output_min);
142 vacc01x0123 = _mm_max_epi16(vacc01x0123, voutput_min);
143 vacc22x0123 = _mm_max_epi16(vacc22x0123, voutput_min);
144
145 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc22x0123);
146
147
148 if (nc >= 4) {
149 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
150 vout = _mm_srli_si128(vout, 4);
151 unaligned_store_u32(c1, (uint32_t) _mm_cvtsi128_si32(vout));
152 vout = _mm_srli_si128(vout, 4);
153 unaligned_store_u32(c2, (uint32_t) _mm_cvtsi128_si32(vout));
154
155 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
156 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
157 c2 = (int8_t*) ((uintptr_t) c2 + cn_stride);
158
159 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
160 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
161 a2 = (const int8_t*) ((uintptr_t) a2 - kc);
162
163 nc -= 4;
164 } else {
165 if (nc & 2) {
166 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
167 c0 += 2;
168 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
169 c1 += 2;
170 unaligned_store_u16(c2, (uint16_t) _mm_extract_epi16(vout, 4));
171 c2 += 2;
172 vout = _mm_srli_epi32(vout, 16);
173 }
174 if (nc & 1) {
175 *c0 = (int8_t) _mm_cvtsi128_si32(vout);
176 *c1 = (int8_t) _mm_extract_epi16(vout, 2);
177 *c2 = (int8_t) _mm_extract_epi16(vout, 4);
178 }
179
180 nc = 0;
181 }
182 } while (nc != 0);
183 }
184