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 #include <xnnpack/unaligned.h>
22
23
xnn_qc8_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_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])24 void xnn_qc8_gemm_minmax_fp32_ukernel_2x4c8__xop_ld64(
25 size_t mr,
26 size_t nc,
27 size_t kc,
28 const int8_t* restrict a,
29 size_t a_stride,
30 const void* restrict w,
31 int8_t* restrict c,
32 size_t cm_stride,
33 size_t cn_stride,
34 const union xnn_qc8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
35 {
36 assert(mr != 0);
37 assert(mr <= 2);
38 assert(nc != 0);
39 assert(kc != 0);
40 assert(kc % sizeof(int8_t) == 0);
41 assert(a != NULL);
42 assert(w != NULL);
43 assert(c != NULL);
44
45 kc = round_up_po2(kc, 8);
46 const int8_t* a0 = a;
47 int8_t* c0 = c;
48 const int8_t* a1 = (const int8_t*) ((uintptr_t) a0 + a_stride);
49 int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride);
50 if XNN_UNPREDICTABLE(mr != 2) {
51 a1 = a0;
52 c1 = c0;
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 w = (const int32_t*) w + 4;
65
66 size_t k = 0;
67 while (k < kc) {
68 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
69 const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
70 a0 += 8;
71 const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1);
72 const __m128i vxa1 = _mm_cvtepi8_epi16(va1);
73 a1 += 8;
74
75 const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w);
76 const __m128i vxb0 = _mm_cvtepi8_epi16(vb0);
77
78 vacc0x0 = _mm_maddd_epi16(vxa0, vxb0, vacc0x0);
79 vacc1x0 = _mm_maddd_epi16(vxa1, vxb0, vacc1x0);
80 const __m128i vb1 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 8));
81 const __m128i vxb1 = _mm_cvtepi8_epi16(vb1);
82
83 vacc0x1 = _mm_maddd_epi16(vxa0, vxb1, vacc0x1);
84 vacc1x1 = _mm_maddd_epi16(vxa1, vxb1, vacc1x1);
85 const __m128i vb2 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 16));
86 const __m128i vxb2 = _mm_cvtepi8_epi16(vb2);
87
88 vacc0x2 = _mm_maddd_epi16(vxa0, vxb2, vacc0x2);
89 vacc1x2 = _mm_maddd_epi16(vxa1, vxb2, vacc1x2);
90 const __m128i vb3 = _mm_loadl_epi64((const __m128i*) ((const int8_t*) w + 24));
91 const __m128i vxb3 = _mm_cvtepi8_epi16(vb3);
92
93 vacc0x3 = _mm_maddd_epi16(vxa0, vxb3, vacc0x3);
94 vacc1x3 = _mm_maddd_epi16(vxa1, vxb3, vacc1x3);
95
96 w = (const void*) ((const int8_t*) w + 32);
97 k += 8 * sizeof(int8_t);
98 }
99
100 const __m128i vacc0x01 = _mm_hadd_epi32(vacc0x0, vacc0x1);
101 const __m128i vacc0x23 = _mm_hadd_epi32(vacc0x2, vacc0x3);
102 const __m128i vacc1x01 = _mm_hadd_epi32(vacc1x0, vacc1x1);
103 const __m128i vacc1x23 = _mm_hadd_epi32(vacc1x2, vacc1x3);
104
105 __m128i vacc0x0123 = _mm_hadd_epi32(vacc0x01, vacc0x23);
106 __m128i vacc1x0123 = _mm_hadd_epi32(vacc1x01, vacc1x23);
107
108 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
109 __m128 vscaled1x0123 = _mm_cvtepi32_ps(vacc1x0123);
110
111 const __m128 vscale0123 = _mm_load_ps((const float*) w);
112 w = (const void*) ((const float*) w + 4);
113 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale0123);
114 vscaled1x0123 = _mm_mul_ps(vscaled1x0123, vscale0123);
115
116 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
117 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
118 vscaled1x0123 = _mm_min_ps(vscaled1x0123, voutput_max_less_zero_point);
119
120 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
121 vacc1x0123 = _mm_cvtps_epi32(vscaled1x0123);
122
123 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
124 __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point);
125
126
127 __m128i vout = _mm_packs_epi16(vacc01x0123, vacc01x0123);
128
129 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
130
131 if (nc >= 4) {
132 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
133 unaligned_store_u32(c1, (uint32_t) _mm_extract_epi32(vout, 1));
134
135 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
136 c1 = (int8_t*) ((uintptr_t) c1 + cn_stride);
137
138 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
139 a1 = (const int8_t*) ((uintptr_t) a1 - kc);
140
141 nc -= 4;
142 } else {
143 if (nc & 2) {
144 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
145 c0 += 2;
146 unaligned_store_u16(c1, (uint16_t) _mm_extract_epi16(vout, 2));
147 c1 += 2;
148 vout = _mm_srli_epi32(vout, 16);
149 }
150 if (nc & 1) {
151 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
152 *c1 = (int8_t) _mm_extract_epi8(vout, 4);
153 }
154
155 nc = 0;
156 }
157 } while (nc != 0);
158 }
159