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 #if defined(__GNUC__) || defined(__clang__)
13 #include <x86intrin.h>
14 #else
15 #include <immintrin.h>
16 #include <ammintrin.h>
17 #endif
18
19 #include <xnnpack/igemm.h>
20 #include <xnnpack/math.h>
21
22
xnn_qc8_igemm_minmax_fp32_ukernel_2x4c8__xop_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_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])23 void xnn_qc8_igemm_minmax_fp32_ukernel_2x4c8__xop_ld128(
24 size_t mr,
25 size_t nc,
26 size_t kc,
27 size_t ks,
28 const int8_t** restrict a,
29 const void* restrict w,
30 int8_t* restrict c,
31 size_t cm_stride,
32 size_t cn_stride,
33 size_t a_offset,
34 const int8_t* zero,
35 const union xnn_qs8_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
36 {
37 assert(mr != 0);
38 assert(mr <= 2);
39 assert(nc != 0);
40 assert(kc != 0);
41 assert(ks != 0);
42 assert(ks % (2 * sizeof(void*)) == 0);
43 assert(a_offset % sizeof(int8_t) == 0);
44 assert(a != NULL);
45 assert(w != NULL);
46 assert(c != NULL);
47
48 kc = round_up_po2(kc, 8);
49 int8_t* c0 = c;
50 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
51 if XNN_UNPREDICTABLE(mr != 2) {
52 c1 = c0;
53 }
54
55 do {
56 __m128i vacc0x0 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[0]);
57 __m128i vacc0x1 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[1]);
58 __m128i vacc0x2 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[2]);
59 __m128i vacc0x3 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[3]);
60 __m128i vacc1x0 = vacc0x0;
61 __m128i vacc1x1 = vacc0x1;
62 __m128i vacc1x2 = vacc0x2;
63 __m128i vacc1x3 = vacc0x3;
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 a += 2;
77
78 size_t k = 0;
79 while (k < kc) {
80 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
81 const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
82 a0 += 8;
83 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
84 const __m128i vxa1 = _mm_cvtepi8_epi16(va1);
85 a1 += 8;
86
87 const __m128i vb01 = _mm_load_si128((const __m128i*) w);
88 const __m128i vxb0 = _mm_cvtepi8_epi16(vb01);
89 const __m128i vxb1 = _mm_srai_epi16(_mm_unpackhi_epi8(vb01, vb01), 8);
90
91 vacc0x0 = _mm_maddd_epi16(vxa0, vxb0, vacc0x0);
92 vacc0x1 = _mm_maddd_epi16(vxa0, vxb1, vacc0x1);
93 vacc1x0 = _mm_maddd_epi16(vxa1, vxb0, vacc1x0);
94 vacc1x1 = _mm_maddd_epi16(vxa1, vxb1, vacc1x1);
95 const __m128i vb23 = _mm_load_si128((const __m128i*) ((const int8_t*) w + 16));
96 const __m128i vxb2 = _mm_cvtepi8_epi16(vb23);
97 const __m128i vxb3 = _mm_srai_epi16(_mm_unpackhi_epi8(vb23, vb23), 8);
98
99 vacc0x2 = _mm_maddd_epi16(vxa0, vxb2, vacc0x2);
100 vacc0x3 = _mm_maddd_epi16(vxa0, vxb3, vacc0x3);
101 vacc1x2 = _mm_maddd_epi16(vxa1, vxb2, vacc1x2);
102 vacc1x3 = _mm_maddd_epi16(vxa1, vxb3, vacc1x3);
103
104 w = (const void*) ((const int8_t*) w + 32);
105 k += 8 * sizeof(int8_t);
106 }
107 p -= 2 * sizeof(void*);
108 } while (p != 0);
109
110 const __m128i vacc0x01 = _mm_hadd_epi32(vacc0x0, vacc0x1);
111 const __m128i vacc0x23 = _mm_hadd_epi32(vacc0x2, vacc0x3);
112 const __m128i vacc1x01 = _mm_hadd_epi32(vacc1x0, vacc1x1);
113 const __m128i vacc1x23 = _mm_hadd_epi32(vacc1x2, vacc1x3);
114
115 __m128i vacc0x0123 = _mm_hadd_epi32(vacc0x01, vacc0x23);
116 __m128i vacc1x0123 = _mm_hadd_epi32(vacc1x01, vacc1x23);
117
118 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
119 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
120
121 const __m128 vscale0123 = _mm_load_ps((const float*) w);
122 w = (const void*) ((const float*) w + 4);
123 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
124 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale0123);
125
126 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->sse4.output_max_less_zero_point);
127 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
128 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
129
130 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
131 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
132
133 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse4.output_zero_point);
134 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
135
136
137 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc01x0123);
138
139 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->sse4.output_min));
140
141 if (nc >= 4) {
142 *((uint32_t*) c1) = (uint32_t) _mm_extract_epi32(vout, 1);
143 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
144 *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout);
145 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
146
147 a = (const int8_t**restrict) ((uintptr_t) a - ks);
148
149 nc -= 4;
150 } else {
151 if (nc & 2) {
152 *((uint16_t*) c1) = (uint16_t) _mm_extract_epi16(vout, 2);
153 c1 += 2;
154 *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0);
155 c0 += 2;
156 vout = _mm_srli_epi32(vout, 16);
157 }
158 if (nc & 1) {
159 *c1 = (int8_t) _mm_extract_epi8(vout, 4);
160 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
161 }
162
163 nc = 0;
164 }
165 } while (nc != 0);
166 }
167