1 // Auto-generated file. Do not edit!
2 // Template: src/qs8-gemm/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 #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 #include <xnnpack/unaligned.h>
22
23
24
xnn_qs8_gemm_xw_minmax_fp32_ukernel_2x4c2s4__xop(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)])25 void xnn_qs8_gemm_xw_minmax_fp32_ukernel_2x4c2s4__xop(
26 size_t mr,
27 size_t nc,
28 size_t kc,
29 const int8_t* restrict a,
30 size_t a_stride,
31 const void* restrict w,
32 int8_t* restrict c,
33 size_t cm_stride,
34 size_t cn_stride,
35 const union xnn_qs8_conv_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(kc % sizeof(int8_t) == 0);
42 assert(a != NULL);
43 assert(w != NULL);
44 assert(c != NULL);
45
46 kc = round_up_po2(kc, 8 * sizeof(int8_t));
47 const int8_t* a0 = a;
48 int8_t* c0 = c;
49 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
50 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
51 if XNN_UNPREDICTABLE(mr != 2) {
52 a1 = a0;
53 c1 = c0;
54 }
55
56 do {
57 __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w);
58 __m128i vacc1x0123 = vacc0x0123;
59 w = (const void*) ((const int32_t*) w + 4);
60
61 size_t k = kc;
62 do {
63 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
64 __m128i vxa0 = _mm_cvtepi8_epi16(va0);
65 a0 += 8;
66 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
67 __m128i vxa1 = _mm_cvtepi8_epi16(va1);
68 a1 += 8;
69
70 const __m128i vxb0 = _mm_load_si128((const __m128i*) w);
71
72 vacc0x0123 = _mm_maddd_epi16(vxa0, vxb0, vacc0x0123);
73 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
74 vacc1x0123 = _mm_maddd_epi16(vxa1, vxb0, vacc1x0123);
75 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
76 const __m128i vxb1 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 8));
77
78 vacc0x0123 = _mm_maddd_epi16(vxa0, vxb1, vacc0x0123);
79 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
80 vacc1x0123 = _mm_maddd_epi16(vxa1, vxb1, vacc1x0123);
81 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
82 const __m128i vxb2 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 16));
83
84 vacc0x0123 = _mm_maddd_epi16(vxa0, vxb2, vacc0x0123);
85 vxa0 = _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 3, 2, 1));
86 vacc1x0123 = _mm_maddd_epi16(vxa1, vxb2, vacc1x0123);
87 vxa1 = _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 3, 2, 1));
88 const __m128i vxb3 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 24));
89
90 vacc0x0123 = _mm_maddd_epi16(vxa0, vxb3, vacc0x0123);
91 vacc1x0123 = _mm_maddd_epi16(vxa1, vxb3, vacc1x0123);
92
93 w = (const void*) ((const int16_t*) w + 32);
94 k -= 8 * sizeof(int8_t);
95 } while (k != 0);
96
97 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
98 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
99
100 const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
101 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
102 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale);
103
104 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
105 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
106 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
107
108 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
109 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
110
111 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
112 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
113
114
115 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc01x0123);
116
117 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
118
119 if (nc >= 4) {
120 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
121 unaligned_store_u32(c1, (uint32_t) _mm_extract_epi32(vout, 1));
122
123 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
124 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
125
126 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
127 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
128
129 nc -= 4;
130 } else {
131 if (nc & 2) {
132 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
133 c0 += 2;
134 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
135 c1 += 2;
136 vout = _mm_srli_epi32(vout, 16);
137 }
138 if (nc & 1) {
139 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
140 *c1 = (int8_t) _mm_extract_epi8(vout, 4);
141 }
142
143 nc = 0;
144 }
145 } while (nc != 0);
146 }
147