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_qs8_gemm_xw_minmax_fp32_ukernel_1x4c8__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)])24 void xnn_qs8_gemm_xw_minmax_fp32_ukernel_1x4c8__xop(
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_qs8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
35 {
36 assert(mr != 0);
37 assert(mr <= 1);
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
49 do {
50 __m128i vacc0x0 = _mm_cvtsi32_si128(((const int*) w)[0]);
51 __m128i vacc0x1 = _mm_cvtsi32_si128(((const int*) w)[1]);
52 __m128i vacc0x2 = _mm_cvtsi32_si128(((const int*) w)[2]);
53 __m128i vacc0x3 = _mm_cvtsi32_si128(((const int*) w)[3]);
54 w = (const int32_t*) w + 4;
55
56 size_t k = 0;
57 while (k < kc) {
58 const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0);
59 const __m128i vxa0 = _mm_cvtepi8_epi16(va0);
60 a0 += 8;
61
62 const __m128i vxb0 = _mm_load_si128((const __m128i*) w);
63
64 vacc0x0 = _mm_maddd_epi16(vxa0, vxb0, vacc0x0);
65 const __m128i vxb1 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 8));
66
67 vacc0x1 = _mm_maddd_epi16(vxa0, vxb1, vacc0x1);
68 const __m128i vxb2 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 16));
69
70 vacc0x2 = _mm_maddd_epi16(vxa0, vxb2, vacc0x2);
71 const __m128i vxb3 = _mm_load_si128((const __m128i*) ((const int16_t*) w + 24));
72
73 vacc0x3 = _mm_maddd_epi16(vxa0, vxb3, vacc0x3);
74
75 w = (const void*) ((const int16_t*) w + 32);
76 k += 8 * sizeof(int8_t);
77 }
78
79 const __m128i vacc0x01 = _mm_hadd_epi32(vacc0x0, vacc0x1);
80 const __m128i vacc0x23 = _mm_hadd_epi32(vacc0x2, vacc0x3);
81
82 __m128i vacc0x0123 = _mm_hadd_epi32(vacc0x01, vacc0x23);
83
84 __m128 vscaled0x0123 = _mm_cvtepi32_ps(vacc0x0123);
85
86 const __m128 vscale = _mm_load_ps(params->fp32_sse4.scale);
87 vscaled0x0123 = _mm_mul_ps(vscaled0x0123, vscale);
88
89 const __m128 voutput_max_less_zero_point = _mm_load_ps(params->fp32_sse4.output_max_less_zero_point);
90 vscaled0x0123 = _mm_min_ps(vscaled0x0123, voutput_max_less_zero_point);
91
92 vacc0x0123 = _mm_cvtps_epi32(vscaled0x0123);
93
94 const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->fp32_sse4.output_zero_point);
95 __m128i vacc00x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc0x0123), voutput_zero_point);
96
97
98 __m128i vout = _mm_packs_epi16(vacc00x0123, vacc00x0123);
99
100 vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->fp32_sse4.output_min));
101
102 if (nc >= 4) {
103 unaligned_store_u32(c0, (uint32_t) _mm_cvtsi128_si32(vout));
104
105 c0 = (int8_t*) ((uintptr_t) c0 + cn_stride);
106
107 a0 = (const int8_t*) ((uintptr_t) a0 - kc);
108
109 nc -= 4;
110 } else {
111 if (nc & 2) {
112 unaligned_store_u16(c0, (uint16_t) _mm_extract_epi16(vout, 0));
113 c0 += 2;
114 vout = _mm_srli_epi32(vout, 16);
115 }
116 if (nc & 1) {
117 *c0 = (int8_t) _mm_extract_epi8(vout, 0);
118 }
119
120 nc = 0;
121 }
122 } while (nc != 0);
123 }
124