1 // Auto-generated file. Do not edit!
2 // Template: src/f32-vsigmoid/avx512f-rr1-p5-scalef.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 #include <immintrin.h>
13
14 #include <xnnpack/common.h>
15 #include <xnnpack/intrinsics-polyfill.h>
16 #include <xnnpack/vunary.h>
17
18
xnn_f32_vsigmoid_ukernel__avx512f_rr1_p5_scalef_div_x96(size_t n,const float * x,float * y,const union xnn_f32_sigmoid_params params[restrict XNN_MIN_ELEMENTS (1)])19 void xnn_f32_vsigmoid_ukernel__avx512f_rr1_p5_scalef_div_x96(
20 size_t n,
21 const float* x,
22 float* y,
23 const union xnn_f32_sigmoid_params params[restrict XNN_MIN_ELEMENTS(1)])
24 {
25 assert(n % sizeof(float) == 0);
26
27 const __m512i vsign_mask = _mm512_set1_epi32((int) params->avx512_rr1_p5.sign_mask);
28 const __m512 vlog2e = _mm512_set1_ps(params->avx512_rr1_p5.log2e);
29 const __m512 vminus_ln2 = _mm512_set1_ps(params->avx512_rr1_p5.minus_ln2);
30 const __m512 vc5 = _mm512_set1_ps(params->avx512_rr1_p5.c5);
31 const __m512 vc4 = _mm512_set1_ps(params->avx512_rr1_p5.c4);
32 const __m512 vc3 = _mm512_set1_ps(params->avx512_rr1_p5.c3);
33 const __m512 vc2 = _mm512_set1_ps(params->avx512_rr1_p5.c2);
34 const __m512 vc1 = _mm512_set1_ps(params->avx512_rr1_p5.c1);
35 const __m512 vone = _mm512_set1_ps(params->avx512_rr1_p5.one);
36
37 for (; n >= 96 * sizeof(float); n -= 96 * sizeof(float)) {
38 const __m512 vx0 = _mm512_loadu_ps(x);
39 const __m512 vx1 = _mm512_loadu_ps(x + 16);
40 const __m512 vx2 = _mm512_loadu_ps(x + 32);
41 const __m512 vx3 = _mm512_loadu_ps(x + 48);
42 const __m512 vx4 = _mm512_loadu_ps(x + 64);
43 const __m512 vx5 = _mm512_loadu_ps(x + 80);
44 x += 96;
45
46 const __m512 vz0 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx0), vsign_mask));
47 const __m512 vz1 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx1), vsign_mask));
48 const __m512 vz2 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx2), vsign_mask));
49 const __m512 vz3 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx3), vsign_mask));
50 const __m512 vz4 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx4), vsign_mask));
51 const __m512 vz5 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx5), vsign_mask));
52
53 __m512 vn0 = _mm512_mul_ps(vz0, vlog2e);
54 __m512 vn1 = _mm512_mul_ps(vz1, vlog2e);
55 __m512 vn2 = _mm512_mul_ps(vz2, vlog2e);
56 __m512 vn3 = _mm512_mul_ps(vz3, vlog2e);
57 __m512 vn4 = _mm512_mul_ps(vz4, vlog2e);
58 __m512 vn5 = _mm512_mul_ps(vz5, vlog2e);
59
60 vn0 = _mm512_roundscale_ps(vn0, 0);
61 vn1 = _mm512_roundscale_ps(vn1, 0);
62 vn2 = _mm512_roundscale_ps(vn2, 0);
63 vn3 = _mm512_roundscale_ps(vn3, 0);
64 vn4 = _mm512_roundscale_ps(vn4, 0);
65 vn5 = _mm512_roundscale_ps(vn5, 0);
66
67 __m512 vt0 = _mm512_fmadd_ps(vn0, vminus_ln2, vz0);
68 __m512 vt1 = _mm512_fmadd_ps(vn1, vminus_ln2, vz1);
69 __m512 vt2 = _mm512_fmadd_ps(vn2, vminus_ln2, vz2);
70 __m512 vt3 = _mm512_fmadd_ps(vn3, vminus_ln2, vz3);
71 __m512 vt4 = _mm512_fmadd_ps(vn4, vminus_ln2, vz4);
72 __m512 vt5 = _mm512_fmadd_ps(vn5, vminus_ln2, vz5);
73
74 __m512 vp0 = _mm512_fmadd_ps(vc5, vt0, vc4);
75 __m512 vp1 = _mm512_fmadd_ps(vc5, vt1, vc4);
76 __m512 vp2 = _mm512_fmadd_ps(vc5, vt2, vc4);
77 __m512 vp3 = _mm512_fmadd_ps(vc5, vt3, vc4);
78 __m512 vp4 = _mm512_fmadd_ps(vc5, vt4, vc4);
79 __m512 vp5 = _mm512_fmadd_ps(vc5, vt5, vc4);
80
81 vp0 = _mm512_fmadd_ps(vp0, vt0, vc3);
82 vp1 = _mm512_fmadd_ps(vp1, vt1, vc3);
83 vp2 = _mm512_fmadd_ps(vp2, vt2, vc3);
84 vp3 = _mm512_fmadd_ps(vp3, vt3, vc3);
85 vp4 = _mm512_fmadd_ps(vp4, vt4, vc3);
86 vp5 = _mm512_fmadd_ps(vp5, vt5, vc3);
87
88 vp0 = _mm512_fmadd_ps(vp0, vt0, vc2);
89 vp1 = _mm512_fmadd_ps(vp1, vt1, vc2);
90 vp2 = _mm512_fmadd_ps(vp2, vt2, vc2);
91 vp3 = _mm512_fmadd_ps(vp3, vt3, vc2);
92 vp4 = _mm512_fmadd_ps(vp4, vt4, vc2);
93 vp5 = _mm512_fmadd_ps(vp5, vt5, vc2);
94
95 vp0 = _mm512_fmadd_ps(vp0, vt0, vc1);
96 vp1 = _mm512_fmadd_ps(vp1, vt1, vc1);
97 vp2 = _mm512_fmadd_ps(vp2, vt2, vc1);
98 vp3 = _mm512_fmadd_ps(vp3, vt3, vc1);
99 vp4 = _mm512_fmadd_ps(vp4, vt4, vc1);
100 vp5 = _mm512_fmadd_ps(vp5, vt5, vc1);
101
102 vp0 = _mm512_fmadd_ps(vp0, vt0, vone);
103 vp1 = _mm512_fmadd_ps(vp1, vt1, vone);
104 vp2 = _mm512_fmadd_ps(vp2, vt2, vone);
105 vp3 = _mm512_fmadd_ps(vp3, vt3, vone);
106 vp4 = _mm512_fmadd_ps(vp4, vt4, vone);
107 vp5 = _mm512_fmadd_ps(vp5, vt5, vone);
108
109 const __m512 ve0 = _mm512_scalef_ps(vp0, vn0);
110 const __m512 ve1 = _mm512_scalef_ps(vp1, vn1);
111 const __m512 ve2 = _mm512_scalef_ps(vp2, vn2);
112 const __m512 ve3 = _mm512_scalef_ps(vp3, vn3);
113 const __m512 ve4 = _mm512_scalef_ps(vp4, vn4);
114 const __m512 ve5 = _mm512_scalef_ps(vp5, vn5);
115
116 const __m512 vd0 = _mm512_add_ps(ve0, vone);
117 const __m512 vd1 = _mm512_add_ps(ve1, vone);
118 const __m512 vd2 = _mm512_add_ps(ve2, vone);
119 const __m512 vd3 = _mm512_add_ps(ve3, vone);
120 const __m512 vd4 = _mm512_add_ps(ve4, vone);
121 const __m512 vd5 = _mm512_add_ps(ve5, vone);
122
123 __m512 vf0 = _mm512_div_ps(ve0, vd0);
124 __m512 vf1 = _mm512_div_ps(ve1, vd1);
125 __m512 vf2 = _mm512_div_ps(ve2, vd2);
126 __m512 vf3 = _mm512_div_ps(ve3, vd3);
127 __m512 vf4 = _mm512_div_ps(ve4, vd4);
128 __m512 vf5 = _mm512_div_ps(ve5, vd5);
129
130 vf0 = _mm512_mask_sub_ps(vf0, _mm512_testn_epi32_mask(_mm512_castps_si512(vx0), vsign_mask), vone, vf0);
131 vf1 = _mm512_mask_sub_ps(vf1, _mm512_testn_epi32_mask(_mm512_castps_si512(vx1), vsign_mask), vone, vf1);
132 vf2 = _mm512_mask_sub_ps(vf2, _mm512_testn_epi32_mask(_mm512_castps_si512(vx2), vsign_mask), vone, vf2);
133 vf3 = _mm512_mask_sub_ps(vf3, _mm512_testn_epi32_mask(_mm512_castps_si512(vx3), vsign_mask), vone, vf3);
134 vf4 = _mm512_mask_sub_ps(vf4, _mm512_testn_epi32_mask(_mm512_castps_si512(vx4), vsign_mask), vone, vf4);
135 vf5 = _mm512_mask_sub_ps(vf5, _mm512_testn_epi32_mask(_mm512_castps_si512(vx5), vsign_mask), vone, vf5);
136
137 _mm512_storeu_ps(y, vf0);
138 _mm512_storeu_ps(y + 16, vf1);
139 _mm512_storeu_ps(y + 32, vf2);
140 _mm512_storeu_ps(y + 48, vf3);
141 _mm512_storeu_ps(y + 64, vf4);
142 _mm512_storeu_ps(y + 80, vf5);
143 y += 96;
144 }
145 for (; n >= 16 * sizeof(float); n -= 16 * sizeof(float)) {
146 const __m512 vx = _mm512_loadu_ps(x);
147 x += 16;
148
149 const __m512 vz = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx), vsign_mask));
150
151 const __m512 vn = _mm512_roundscale_ps(_mm512_mul_ps(vz, vlog2e), 0);
152
153 __m512 vt = _mm512_fmadd_ps(vn, vminus_ln2, vz);
154
155 __m512 vp = _mm512_fmadd_ps(vc5, vt, vc4);
156 vp = _mm512_fmadd_ps(vp, vt, vc3);
157 vp = _mm512_fmadd_ps(vp, vt, vc2);
158 vp = _mm512_fmadd_ps(vp, vt, vc1);
159 vp = _mm512_fmadd_ps(vp, vt, vone);
160
161 const __m512 ve = _mm512_scalef_ps(vp, vn);
162 const __m512 vd = _mm512_add_ps(ve, vone);
163
164 __m512 vf = _mm512_div_ps(ve, vd);
165
166 vf = _mm512_mask_sub_ps(vf, _mm512_testn_epi32_mask(_mm512_castps_si512(vx), vsign_mask), vone, vf);
167
168 _mm512_storeu_ps(y, vf);
169 y += 16;
170 }
171 if XNN_UNLIKELY(n != 0) {
172 assert(n >= 1 * sizeof(float));
173 assert(n <= 15 * sizeof(float));
174
175 // Prepare mask for valid 32-bit elements (depends on n).
176 n >>= 2 /* log2(sizeof(float)) */;
177 const __mmask16 vmask = _cvtu32_mask16((uint16_t) ((uint32_t) (UINT32_C(1) << n) - UINT32_C(1)));
178
179 const __m512 vx = _mm512_maskz_loadu_ps(vmask, x);
180 const __m512 vz = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx), vsign_mask));
181
182 const __m512 vn = _mm512_roundscale_ps(_mm512_mul_ps(vz, vlog2e), 0);
183
184 __m512 vt = _mm512_fmadd_ps(vn, vminus_ln2, vz);
185
186 __m512 vp = _mm512_fmadd_ps(vc5, vt, vc4);
187 vp = _mm512_fmadd_ps(vp, vt, vc3);
188 vp = _mm512_fmadd_ps(vp, vt, vc2);
189 vp = _mm512_fmadd_ps(vp, vt, vc1);
190 vp = _mm512_fmadd_ps(vp, vt, vone);
191
192 const __m512 ve = _mm512_scalef_ps(vp, vn);
193 const __m512 vd = _mm512_add_ps(ve, vone);
194
195 __m512 vf = _mm512_div_ps(ve, vd);
196
197 vf = _mm512_mask_sub_ps(vf, _mm512_testn_epi32_mask(_mm512_castps_si512(vx), vsign_mask), vone, vf);
198
199 _mm512_mask_storeu_ps(y, vmask, vf);
200 }
201 }
202