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 #include <xnnpack/unaligned.h>
22
23
xnn_qs8_igemm_minmax_fp32_ukernel_1x4c8__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_conv_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])24 void xnn_qs8_igemm_minmax_fp32_ukernel_1x4c8__xop_ld128(
25 size_t mr,
26 size_t nc,
27 size_t kc,
28 size_t ks,
29 const int8_t** restrict a,
30 const void* restrict w,
31 int8_t* restrict c,
32 size_t cm_stride,
33 size_t cn_stride,
34 size_t a_offset,
35 const int8_t* zero,
36 const union xnn_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
37 {
38 assert(mr != 0);
39 assert(mr <= 1);
40 assert(nc != 0);
41 assert(kc != 0);
42 assert(ks != 0);
43 assert(ks % (1 * sizeof(void*)) == 0);
44 assert(a_offset % sizeof(int8_t) == 0);
45 assert(a != NULL);
46 assert(w != NULL);
47 assert(c != NULL);
48
49 kc = round_up_po2(kc, 8);
50 int8_t* c0 = c;
51
52 do {
53 __m128i vacc0x0 = _mm_cvtsi32_si128(((const int*) w)[0]);
54 __m128i vacc0x1 = _mm_cvtsi32_si128(((const int*) w)[1]);
55 __m128i vacc0x2 = _mm_cvtsi32_si128(((const int*) w)[2]);
56 __m128i vacc0x3 = _mm_cvtsi32_si128(((const int*) w)[3]);
57 w = (const int32_t*) w + 4;
58
59 size_t p = ks;
60 do {
61 const int8_t* restrict a0 = a[0];
62 if XNN_UNPREDICTABLE(a0 != zero) {
63 a0 = (const int8_t*) ((uintptr_t) a0 + a_offset);
64 }
65 a += 1;
66
67 size_t k = 0;
68 while (k < kc) {
69 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
70 const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
71 a0 += 8;
72
73 const __m128i vb01 = _mm_load_si128((const __m128i*) w);
74 const __m128i vxb0 = _mm_cvtepi8_epi16(vb01);
75 const __m128i vxb1 = _mm_srai_epi16(_mm_unpackhi_epi8(vb01, vb01), 8);
76
77 vacc0x0 = _mm_maddd_epi16(vxa0, vxb0, vacc0x0);
78 vacc0x1 = _mm_maddd_epi16(vxa0, vxb1, vacc0x1);
79 const __m128i vb23 = _mm_load_si128((const __m128i*) ((const int8_t*) w + 16));
80 const __m128i vxb2 = _mm_cvtepi8_epi16(vb23);
81 const __m128i vxb3 = _mm_srai_epi16(_mm_unpackhi_epi8(vb23, vb23), 8);
82
83 vacc0x2 = _mm_maddd_epi16(vxa0, vxb2, vacc0x2);
84 vacc0x3 = _mm_maddd_epi16(vxa0, vxb3, vacc0x3);
85
86 w = (const void*) ((const int8_t*) w + 32);
87 k += 8 * sizeof(int8_t);
88 }
89 p -= 1 * sizeof(void*);
90 } while (p != 0);
91
92 const __m128i vacc0x01 = _mm_hadd_epi32(vacc0x0, vacc0x1);
93 const __m128i vacc0x23 = _mm_hadd_epi32(vacc0x2, vacc0x3);
94
95 __m128i vacc0x0123 = _mm_hadd_epi32(vacc0x01, vacc0x23);
96
97 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
98
99 const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
100 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
101
102 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
103 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
104
105 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
106
107 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
108 __m128i vacc00x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc0x0123), voutput_zero_point);
109
110
111 __m128i vout = _mm_packs_epi16(vacc00x0123, vacc00x0123);
112
113 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
114
115 if (nc >= 4) {
116 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
117 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
118
119 a = (const int8_t**restrict) ((uintptr_t) a - ks);
120
121 nc -= 4;
122 } else {
123 if (nc & 2) {
124 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
125 c0 += 2;
126 vout = _mm_srli_epi32(vout, 16);
127 }
128 if (nc & 1) {
129 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
130 }
131
132 nc = 0;
133 }
134 } while (nc != 0);
135 }
136