1 // Auto-generated file. Do not edit!
2 // Template: src/f16-igemm/avx2-broadcast.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 #include <immintrin.h>
13
14 #include <xnnpack/igemm.h>
15 #include <xnnpack/intrinsics-polyfill.h>
16
17
xnn_f16_igemm_minmax_ukernel_1x8__avx2_broadcast(size_t mr,size_t nc,size_t kc,size_t ks,const void ** restrict a,const void * restrict w,void * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const void * zero,const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f16_igemm_minmax_ukernel_1x8__avx2_broadcast(
19 size_t mr,
20 size_t nc,
21 size_t kc,
22 size_t ks,
23 const void**restrict a,
24 const void*restrict w,
25 void*restrict c,
26 size_t cm_stride,
27 size_t cn_stride,
28 size_t a_offset,
29 const void* zero,
30 const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
31 {
32 assert(mr != 0);
33 assert(mr <= 1);
34 assert(nc != 0);
35 assert(kc != 0);
36 assert(kc % sizeof(uint16_t) == 0);
37 assert(ks != 0);
38 assert(ks % (1 * sizeof(void*)) == 0);
39 assert(a_offset % sizeof(uint16_t) == 0);
40 assert(a != NULL);
41 assert(w != NULL);
42 assert(c != NULL);
43
44 uint16_t* c0 = c;
45
46 do {
47 __m256 vacc0x01234567 = _mm256_cvtph_ps(_mm_load_si128((const __m128i*) w));
48 w = (const uint16_t*) w + 8;
49
50 size_t p = ks;
51 do {
52 const uint16_t* restrict a0 = (const uint16_t*) a[0];
53 assert(a0 != NULL);
54 if XNN_UNPREDICTABLE(a0 != zero) {
55 a0 = (const uint16_t*) ((uintptr_t) a0 + a_offset);
56 }
57 a += 1;
58
59 size_t k = kc;
60 do {
61 const __m256 vb01234567 = _mm256_cvtph_ps(_mm_load_si128((const __m128i*) w));
62 w = (const uint16_t*) w + 8;
63
64 const __m256 va0 = _mm256_cvtph_ps(_mm_set1_epi16((short) *a0));
65 a0 += 1;
66
67 vacc0x01234567 = _mm256_cvtph_ps(_mm256_cvtps_ph(_mm256_fmadd_ps(va0, vb01234567, vacc0x01234567), _MM_FROUND_NO_EXC));
68
69 k -= sizeof(uint16_t);
70 } while (k != 0);
71 p -= 1 * sizeof(void*);
72 } while (p != 0);
73
74 const __m256 vmin = _mm256_load_ps(params->avx.min);
75 vacc0x01234567 = _mm256_max_ps(vacc0x01234567, vmin);
76
77 const __m256 vmax = _mm256_load_ps(params->avx.max);
78 vacc0x01234567 = _mm256_min_ps(vacc0x01234567, vmax);
79
80 if XNN_LIKELY(nc >= 8) {
81 _mm_storeu_si128((__m128i*) c0, _mm256_cvtps_ph(vacc0x01234567, _MM_FROUND_NO_EXC));
82 c0 = (uint16_t*) ((uintptr_t) c0 + cn_stride);
83
84 a = (const void**restrict) ((uintptr_t) a - ks);
85 nc -= 8;
86 } else {
87 __m128i vh0x01234567 = _mm256_cvtps_ph(vacc0x01234567, _MM_FROUND_NO_EXC);
88 if (nc & 4) {
89 _mm_storel_epi64((__m128i*) c0, vh0x01234567);
90
91 vh0x01234567 = _mm_unpackhi_epi64(vh0x01234567, vh0x01234567);
92
93 c0 += 4;
94 }
95 if (nc & 2) {
96 _mm_storeu_si32(c0, vh0x01234567);
97
98 vh0x01234567 = _mm_srli_epi64(vh0x01234567, 32);
99
100 c0 += 2;
101 }
102 if (nc & 1) {
103 *c0 = _mm_extract_epi16(vh0x01234567, 0);
104 }
105
106 nc = 0;
107 }
108 } while (nc != 0);
109 }
110