1 // Auto-generated file. Do not edit!
2 // Template: src/f32-igemm/avx-broadcast.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2019 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
16
xnn_f32_igemm_minmax_ukernel_1x8__avx_broadcast(size_t mr,size_t nc,size_t kc,size_t ks,const float ** restrict a,const float * restrict w,float * restrict c,size_t cm_stride,size_t cn_stride,size_t a_offset,const float * zero,const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS (1)])17 void xnn_f32_igemm_minmax_ukernel_1x8__avx_broadcast(
18 size_t mr,
19 size_t nc,
20 size_t kc,
21 size_t ks,
22 const float**restrict a,
23 const float*restrict w,
24 float*restrict c,
25 size_t cm_stride,
26 size_t cn_stride,
27 size_t a_offset,
28 const float* zero,
29 const union xnn_f32_minmax_params params[restrict XNN_MIN_ELEMENTS(1)])
30 {
31 assert(mr != 0);
32 assert(mr <= 1);
33 assert(nc != 0);
34 assert(kc != 0);
35 assert(kc % sizeof(float) == 0);
36 assert(ks != 0);
37 assert(ks % (1 * sizeof(void*)) == 0);
38 assert(a_offset % sizeof(float) == 0);
39 assert(a != NULL);
40 assert(w != NULL);
41 assert(c != NULL);
42
43 float* c0 = c;
44
45 do {
46 __m256 vacc0x01234567 = _mm256_load_ps(w);
47 w += 8;
48
49 size_t p = ks;
50 do {
51 const float* restrict a0 = a[0];
52 assert(a0 != NULL);
53 if XNN_UNPREDICTABLE(a0 != zero) {
54 a0 = (const float*) ((uintptr_t) a0 + a_offset);
55 }
56 a += 1;
57
58 size_t k = kc;
59 do {
60 const __m256 vb01234567 = _mm256_load_ps(w);
61 w += 8;
62
63 const __m256 va0 = _mm256_broadcast_ss(a0);
64 a0 += 1;
65
66 vacc0x01234567 = _mm256_add_ps(vacc0x01234567, _mm256_mul_ps(va0, vb01234567));
67 k -= sizeof(float);
68 } while (k != 0);
69 p -= 1 * sizeof(void*);
70 } while (p != 0);
71
72 const __m256 vmax = _mm256_broadcast_ps((const __m128*) params->sse.max);
73 vacc0x01234567 = _mm256_min_ps(vacc0x01234567, vmax);
74
75 const __m256 vmin = _mm256_broadcast_ps((const __m128*) params->sse.min);
76 vacc0x01234567 = _mm256_max_ps(vacc0x01234567, vmin);
77
78 if XNN_LIKELY(nc >= 8) {
79 _mm256_storeu_ps(c0, vacc0x01234567);
80 c0 = (float*) ((uintptr_t) c0 + cn_stride);
81
82 a = (const float**restrict) ((uintptr_t) a - ks);
83 nc -= 8;
84 } else {
85 __m128 vacc0x0123 = _mm256_castps256_ps128(vacc0x01234567);
86 if (nc & 4) {
87 _mm_storeu_ps(c0, vacc0x0123);
88
89 vacc0x0123 = _mm256_extractf128_ps(vacc0x01234567, 1);
90
91 c0 += 4;
92 }
93 if (nc & 2) {
94 _mm_storel_pi((__m64*) c0, vacc0x0123);
95
96 vacc0x0123 = _mm_movehl_ps(vacc0x0123, vacc0x0123);
97
98 c0 += 2;
99 }
100 if (nc & 1) {
101 _mm_store_ss(c0, vacc0x0123);
102 }
103
104 nc = 0;
105 }
106 } while (nc != 0);
107 }
108