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 #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/gemm.h>
20 #include <xnnpack/math.h>
21
22
xnn_qs8_gemm_minmax_fp32_ukernel_2x4c8__xop_ld64(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)])23 void xnn_qs8_gemm_minmax_fp32_ukernel_2x4c8__xop_ld64(
24 size_t mr,
25 size_t nc,
26 size_t kc,
27 const int8_t* restrict a,
28 size_t a_stride,
29 const void* restrict w,
30 int8_t* restrict c,
31 size_t cm_stride,
32 size_t cn_stride,
33 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
34 {
35 assert(mr != 0);
36 assert(mr <= 2);
37 assert(nc != 0);
38 assert(kc != 0);
39 assert(kc % 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 const int8_t* a0 = a;
46 int8_t* c0 = c;
47 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
48 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
49 if XNN_UNPREDICTABLE(mr != 2) {
50 a1 = a0;
51 c1 = c0;
52 }
53
54 do {
55 __m128i vacc0x0 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[0]);
56 __m128i vacc0x1 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[1]);
57 __m128i vacc0x2 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[2]);
58 __m128i vacc0x3 = _mm_cvtsi32_si128((int) ((const int32_t*) w)[3]);
59 __m128i vacc1x0 = vacc0x0;
60 __m128i vacc1x1 = vacc0x1;
61 __m128i vacc1x2 = vacc0x2;
62 __m128i vacc1x3 = vacc0x3;
63 w = (const void*) ((const int32_t*) w + 4);
64
65 size_t k = 0;
66 while (k < kc) {
67 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
68 const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
69 a0 += 8;
70 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
71 const __m128i vxa1 = _mm_cvtepi8_epi16(va1);
72 a1 += 8;
73
74 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
75 const __m128i vxb0 = _mm_cvtepi8_epi16(vb0);
76
77 vacc0x0 = _mm_maddd_epi16(vxa0, vxb0, vacc0x0);
78 vacc1x0 = _mm_maddd_epi16(vxa1, vxb0, vacc1x0);
79 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 8));
80 const __m128i vxb1 = _mm_cvtepi8_epi16(vb1);
81
82 vacc0x1 = _mm_maddd_epi16(vxa0, vxb1, vacc0x1);
83 vacc1x1 = _mm_maddd_epi16(vxa1, vxb1, vacc1x1);
84 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 16));
85 const __m128i vxb2 = _mm_cvtepi8_epi16(vb2);
86
87 vacc0x2 = _mm_maddd_epi16(vxa0, vxb2, vacc0x2);
88 vacc1x2 = _mm_maddd_epi16(vxa1, vxb2, vacc1x2);
89 const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 24));
90 const __m128i vxb3 = _mm_cvtepi8_epi16(vb3);
91
92 vacc0x3 = _mm_maddd_epi16(vxa0, vxb3, vacc0x3);
93 vacc1x3 = _mm_maddd_epi16(vxa1, vxb3, vacc1x3);
94
95 w = (const void*) ((const int8_t*) w + 32);
96 k += 8 * sizeof(int8_t);
97 }
98
99 const __m128i vacc0x01 = _mm_hadd_epi32(vacc0x0, vacc0x1);
100 const __m128i vacc0x23 = _mm_hadd_epi32(vacc0x2, vacc0x3);
101 const __m128i vacc1x01 = _mm_hadd_epi32(vacc1x0, vacc1x1);
102 const __m128i vacc1x23 = _mm_hadd_epi32(vacc1x2, vacc1x3);
103
104 __m128i vacc0x0123 = _mm_hadd_epi32(vacc0x01, vacc0x23);
105 __m128i vacc1x0123 = _mm_hadd_epi32(vacc1x01, vacc1x23);
106
107 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
108 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
109
110 const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
111 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
112 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale);
113
114 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
115 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
116 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
117
118 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
119 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
120
121 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
122 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
123
124
125 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc01x0123);
126
127 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
128
129 if (nc >= 4) {
130 *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout);
131 *((uint32_t*) c1) = (uint32_t) _mm_extract_epi32(vout, 1);
132
133 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
134 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
135
136 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
137 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
138
139 nc -= 4;
140 } else {
141 if (nc & 2) {
142 *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0);
143 c0 += 2;
144 *((uint16_t*) c1) = (uint16_t) _mm_extract_epi16(vout, 2);
145 c1 += 2;
146 vout = _mm_srli_epi32(vout, 16);
147 }
148 if (nc & 1) {
149 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
150 *c1 = (int8_t) _mm_extract_epi8(vout, 4);
151 }
152
153 nc = 0;
154 }
155 } while (nc != 0);
156 }
157