1 // Auto-generated file. Do not edit!
2 // Template: src/f32-vsigmoid/avx512f-rr1-lut16-p3-perm-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_lut16_p3_perm_scalef_div_x112(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_lut16_p3_perm_scalef_div_x112(
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_lut16_p3.sign_mask);
28 const __m512 vmagic_bias = _mm512_set1_ps(params->avx512_rr1_lut16_p3.magic_bias);
29 const __m512 vlog2e = _mm512_set1_ps(params->avx512_rr1_lut16_p3.log2e);
30 const __m512 vtable = _mm512_load_ps(params->avx512_rr1_lut16_p3.table);
31 const __m512 vminus_ln2 = _mm512_set1_ps(params->avx512_rr1_lut16_p3.minus_ln2);
32 const __m512 vc3 = _mm512_set1_ps(params->avx512_rr1_lut16_p3.c3);
33 const __m512 vc2 = _mm512_set1_ps(params->avx512_rr1_lut16_p3.c2);
34 const __m512 vone = _mm512_set1_ps(params->avx512_rr1_lut16_p3.one);
35
36 for (; n >= 112 * sizeof(float); n -= 112 * sizeof(float)) {
37 const __m512 vx0 = _mm512_loadu_ps(x);
38 const __m512 vx1 = _mm512_loadu_ps(x + 16);
39 const __m512 vx2 = _mm512_loadu_ps(x + 32);
40 const __m512 vx3 = _mm512_loadu_ps(x + 48);
41 const __m512 vx4 = _mm512_loadu_ps(x + 64);
42 const __m512 vx5 = _mm512_loadu_ps(x + 80);
43 const __m512 vx6 = _mm512_loadu_ps(x + 96);
44 x += 112;
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 const __m512 vz6 = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx6), vsign_mask));
53
54 __m512 vn0 = _mm512_fmadd_ps(vz0, vlog2e, vmagic_bias);
55 __m512 vn1 = _mm512_fmadd_ps(vz1, vlog2e, vmagic_bias);
56 __m512 vn2 = _mm512_fmadd_ps(vz2, vlog2e, vmagic_bias);
57 __m512 vn3 = _mm512_fmadd_ps(vz3, vlog2e, vmagic_bias);
58 __m512 vn4 = _mm512_fmadd_ps(vz4, vlog2e, vmagic_bias);
59 __m512 vn5 = _mm512_fmadd_ps(vz5, vlog2e, vmagic_bias);
60 __m512 vn6 = _mm512_fmadd_ps(vz6, vlog2e, vmagic_bias);
61
62 const __m512 vl0 = _mm512_permutexvar_ps(_mm512_castps_si512(vn0), vtable);
63 const __m512 vl1 = _mm512_permutexvar_ps(_mm512_castps_si512(vn1), vtable);
64 const __m512 vl2 = _mm512_permutexvar_ps(_mm512_castps_si512(vn2), vtable);
65 const __m512 vl3 = _mm512_permutexvar_ps(_mm512_castps_si512(vn3), vtable);
66 const __m512 vl4 = _mm512_permutexvar_ps(_mm512_castps_si512(vn4), vtable);
67 const __m512 vl5 = _mm512_permutexvar_ps(_mm512_castps_si512(vn5), vtable);
68 const __m512 vl6 = _mm512_permutexvar_ps(_mm512_castps_si512(vn6), vtable);
69
70 vn0 = _mm512_sub_ps(vn0, vmagic_bias);
71 vn1 = _mm512_sub_ps(vn1, vmagic_bias);
72 vn2 = _mm512_sub_ps(vn2, vmagic_bias);
73 vn3 = _mm512_sub_ps(vn3, vmagic_bias);
74 vn4 = _mm512_sub_ps(vn4, vmagic_bias);
75 vn5 = _mm512_sub_ps(vn5, vmagic_bias);
76 vn6 = _mm512_sub_ps(vn6, vmagic_bias);
77
78 __m512 vt0 = _mm512_fmadd_ps(vn0, vminus_ln2, vz0);
79 __m512 vt1 = _mm512_fmadd_ps(vn1, vminus_ln2, vz1);
80 __m512 vt2 = _mm512_fmadd_ps(vn2, vminus_ln2, vz2);
81 __m512 vt3 = _mm512_fmadd_ps(vn3, vminus_ln2, vz3);
82 __m512 vt4 = _mm512_fmadd_ps(vn4, vminus_ln2, vz4);
83 __m512 vt5 = _mm512_fmadd_ps(vn5, vminus_ln2, vz5);
84 __m512 vt6 = _mm512_fmadd_ps(vn6, vminus_ln2, vz6);
85
86 __m512 vp0 = _mm512_fmadd_ps(vt0, vc3, vc2);
87 __m512 vp1 = _mm512_fmadd_ps(vt1, vc3, vc2);
88 __m512 vp2 = _mm512_fmadd_ps(vt2, vc3, vc2);
89 __m512 vp3 = _mm512_fmadd_ps(vt3, vc3, vc2);
90 __m512 vp4 = _mm512_fmadd_ps(vt4, vc3, vc2);
91 __m512 vp5 = _mm512_fmadd_ps(vt5, vc3, vc2);
92 __m512 vp6 = _mm512_fmadd_ps(vt6, vc3, vc2);
93
94 vp0 = _mm512_mul_ps(vp0, vt0);
95 vp1 = _mm512_mul_ps(vp1, vt1);
96 vp2 = _mm512_mul_ps(vp2, vt2);
97 vp3 = _mm512_mul_ps(vp3, vt3);
98 vp4 = _mm512_mul_ps(vp4, vt4);
99 vp5 = _mm512_mul_ps(vp5, vt5);
100 vp6 = _mm512_mul_ps(vp6, vt6);
101
102 vp0 = _mm512_fmadd_ps(vt0, vp0, vt0);
103 vp1 = _mm512_fmadd_ps(vt1, vp1, vt1);
104 vp2 = _mm512_fmadd_ps(vt2, vp2, vt2);
105 vp3 = _mm512_fmadd_ps(vt3, vp3, vt3);
106 vp4 = _mm512_fmadd_ps(vt4, vp4, vt4);
107 vp5 = _mm512_fmadd_ps(vt5, vp5, vt5);
108 vp6 = _mm512_fmadd_ps(vt6, vp6, vt6);
109
110 vp0 = _mm512_fmadd_ps(vl0, vp0, vl0);
111 vp1 = _mm512_fmadd_ps(vl1, vp1, vl1);
112 vp2 = _mm512_fmadd_ps(vl2, vp2, vl2);
113 vp3 = _mm512_fmadd_ps(vl3, vp3, vl3);
114 vp4 = _mm512_fmadd_ps(vl4, vp4, vl4);
115 vp5 = _mm512_fmadd_ps(vl5, vp5, vl5);
116 vp6 = _mm512_fmadd_ps(vl6, vp6, vl6);
117
118 const __m512 ve0 = _mm512_scalef_ps(vp0, vn0);
119 const __m512 ve1 = _mm512_scalef_ps(vp1, vn1);
120 const __m512 ve2 = _mm512_scalef_ps(vp2, vn2);
121 const __m512 ve3 = _mm512_scalef_ps(vp3, vn3);
122 const __m512 ve4 = _mm512_scalef_ps(vp4, vn4);
123 const __m512 ve5 = _mm512_scalef_ps(vp5, vn5);
124 const __m512 ve6 = _mm512_scalef_ps(vp6, vn6);
125
126 const __m512 vd0 = _mm512_add_ps(ve0, vone);
127 const __m512 vd1 = _mm512_add_ps(ve1, vone);
128 const __m512 vd2 = _mm512_add_ps(ve2, vone);
129 const __m512 vd3 = _mm512_add_ps(ve3, vone);
130 const __m512 vd4 = _mm512_add_ps(ve4, vone);
131 const __m512 vd5 = _mm512_add_ps(ve5, vone);
132 const __m512 vd6 = _mm512_add_ps(ve6, vone);
133
134 __m512 vf0 = _mm512_div_ps(ve0, vd0);
135 __m512 vf1 = _mm512_div_ps(ve1, vd1);
136 __m512 vf2 = _mm512_div_ps(ve2, vd2);
137 __m512 vf3 = _mm512_div_ps(ve3, vd3);
138 __m512 vf4 = _mm512_div_ps(ve4, vd4);
139 __m512 vf5 = _mm512_div_ps(ve5, vd5);
140 __m512 vf6 = _mm512_div_ps(ve6, vd6);
141
142 vf0 = _mm512_mask_sub_ps(vf0, _mm512_testn_epi32_mask(_mm512_castps_si512(vx0), vsign_mask), vone, vf0);
143 vf1 = _mm512_mask_sub_ps(vf1, _mm512_testn_epi32_mask(_mm512_castps_si512(vx1), vsign_mask), vone, vf1);
144 vf2 = _mm512_mask_sub_ps(vf2, _mm512_testn_epi32_mask(_mm512_castps_si512(vx2), vsign_mask), vone, vf2);
145 vf3 = _mm512_mask_sub_ps(vf3, _mm512_testn_epi32_mask(_mm512_castps_si512(vx3), vsign_mask), vone, vf3);
146 vf4 = _mm512_mask_sub_ps(vf4, _mm512_testn_epi32_mask(_mm512_castps_si512(vx4), vsign_mask), vone, vf4);
147 vf5 = _mm512_mask_sub_ps(vf5, _mm512_testn_epi32_mask(_mm512_castps_si512(vx5), vsign_mask), vone, vf5);
148 vf6 = _mm512_mask_sub_ps(vf6, _mm512_testn_epi32_mask(_mm512_castps_si512(vx6), vsign_mask), vone, vf6);
149
150 _mm512_storeu_ps(y, vf0);
151 _mm512_storeu_ps(y + 16, vf1);
152 _mm512_storeu_ps(y + 32, vf2);
153 _mm512_storeu_ps(y + 48, vf3);
154 _mm512_storeu_ps(y + 64, vf4);
155 _mm512_storeu_ps(y + 80, vf5);
156 _mm512_storeu_ps(y + 96, vf6);
157 y += 112;
158 }
159 for (; n >= 16 * sizeof(float); n -= 16 * sizeof(float)) {
160 const __m512 vx = _mm512_loadu_ps(x);
161 x += 16;
162
163 const __m512 vz = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx), vsign_mask));
164
165 __m512 vn = _mm512_fmadd_ps(vz, vlog2e, vmagic_bias);
166 const __m512 vl = _mm512_permutexvar_ps(_mm512_castps_si512(vn), vtable);
167 vn = _mm512_sub_ps(vn, vmagic_bias);
168
169 __m512 vt = _mm512_fmadd_ps(vn, vminus_ln2, vz);
170
171 __m512 vp = _mm512_fmadd_ps(vt, vc3, vc2);
172 vp = _mm512_mul_ps(vp, vt);
173 vp = _mm512_fmadd_ps(vt, vp, vt);
174 vp = _mm512_fmadd_ps(vl, vp, vl);
175
176 const __m512 ve = _mm512_scalef_ps(vp, vn);
177 const __m512 vd = _mm512_add_ps(ve, vone);
178
179 __m512 vf = _mm512_div_ps(ve, vd);
180
181 vf = _mm512_mask_sub_ps(vf, _mm512_testn_epi32_mask(_mm512_castps_si512(vx), vsign_mask), vone, vf);
182
183 _mm512_storeu_ps(y, vf);
184 y += 16;
185 }
186 if XNN_UNLIKELY(n != 0) {
187 assert(n >= 1 * sizeof(float));
188 assert(n <= 15 * sizeof(float));
189
190 // Prepare mask for valid 32-bit elements (depends on n).
191 n >>= 2 /* log2(sizeof(float)) */;
192 const __mmask16 vmask = _cvtu32_mask16((uint16_t) ((uint32_t) (UINT32_C(1) << n) - UINT32_C(1)));
193
194 const __m512 vx = _mm512_maskz_loadu_ps(vmask, x);
195 const __m512 vz = _mm512_castsi512_ps(_mm512_or_epi32(_mm512_castps_si512(vx), vsign_mask));
196
197 __m512 vn = _mm512_fmadd_ps(vz, vlog2e, vmagic_bias);
198 const __m512 vl = _mm512_permutexvar_ps(_mm512_castps_si512(vn), vtable);
199 vn = _mm512_sub_ps(vn, vmagic_bias);
200
201 __m512 vt = _mm512_fmadd_ps(vn, vminus_ln2, vz);
202
203 __m512 vp = _mm512_fmadd_ps(vt, vc3, vc2);
204 vp = _mm512_mul_ps(vp, vt);
205 vp = _mm512_fmadd_ps(vt, vp, vt);
206 vp = _mm512_fmadd_ps(vl, vp, vl);
207
208 const __m512 ve = _mm512_scalef_ps(vp, vn);
209 const __m512 vd = _mm512_add_ps(ve, vone);
210
211 __m512 vf = _mm512_div_ps(ve, vd);
212
213 vf = _mm512_mask_sub_ps(vf, _mm512_testn_epi32_mask(_mm512_castps_si512(vx), vsign_mask), vone, vf);
214
215 _mm512_mask_storeu_ps(y, vmask, vf);
216 }
217 }
218