1 // Auto-generated file. Do not edit!
2 // Template: src/f32-raddstoreexpminusmax/avx512f-rr1-p5-scalef.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/intrinsics-polyfill.h>
15 #include <xnnpack/raddstoreexpminusmax.h>
16
17
xnn_f32_raddstoreexpminusmax_ukernel__avx512f_rr1_p5_scalef_x128(size_t elements,const float * input,const float * max,float * output,float * sum,const union xnn_f32_expminus_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_raddstoreexpminusmax_ukernel__avx512f_rr1_p5_scalef_x128(
19 size_t elements,
20 const float* input,
21 const float* max,
22 float* output,
23 float* sum,
24 const union xnn_f32_expminus_params params[restrict XNN_MIN_ELEMENTS(1)])
25 {
26 assert(elements % sizeof(float) == 0);
27
28 const __m512 vi_max = _mm512_set1_ps(*max);
29 const __m512 vlog2e = _mm512_set1_ps(params->avx512_rr1_p5.log2e);
30 const __m512 vminus_ln2 = _mm512_set1_ps(params->avx512_rr1_p5.minus_ln2);
31 const __m512 vc5 = _mm512_set1_ps(params->avx512_rr1_p5.c5);
32 const __m512 vc4 = _mm512_set1_ps(params->avx512_rr1_p5.c4);
33 const __m512 vc3 = _mm512_set1_ps(params->avx512_rr1_p5.c3);
34 const __m512 vc2 = _mm512_set1_ps(params->avx512_rr1_p5.c2);
35 const __m512 vc1 = _mm512_set1_ps(params->avx512_rr1_p5.c1);
36 const __m512 vc0 = _mm512_set1_ps(params->avx512_rr1_p5.c0);
37
38 __m512 vacc0 = _mm512_setzero_ps();
39 for (; elements >= 128 * sizeof(float); elements -= 128 * sizeof(float)) {
40 const __m512 vi0 = _mm512_loadu_ps(input);
41 const __m512 vi1 = _mm512_loadu_ps(input + 16);
42 const __m512 vi2 = _mm512_loadu_ps(input + 32);
43 const __m512 vi3 = _mm512_loadu_ps(input + 48);
44 const __m512 vi4 = _mm512_loadu_ps(input + 64);
45 const __m512 vi5 = _mm512_loadu_ps(input + 80);
46 const __m512 vi6 = _mm512_loadu_ps(input + 96);
47 const __m512 vi7 = _mm512_loadu_ps(input + 112);
48 input += 128;
49
50 const __m512 vx0 = _mm512_sub_ps(vi0, vi_max);
51 const __m512 vx1 = _mm512_sub_ps(vi1, vi_max);
52 const __m512 vx2 = _mm512_sub_ps(vi2, vi_max);
53 const __m512 vx3 = _mm512_sub_ps(vi3, vi_max);
54 const __m512 vx4 = _mm512_sub_ps(vi4, vi_max);
55 const __m512 vx5 = _mm512_sub_ps(vi5, vi_max);
56 const __m512 vx6 = _mm512_sub_ps(vi6, vi_max);
57 const __m512 vx7 = _mm512_sub_ps(vi7, vi_max);
58
59 const __m512 vn0 = _mm512_roundscale_ps(_mm512_mul_ps(vx0, vlog2e), 0);
60 const __m512 vn1 = _mm512_roundscale_ps(_mm512_mul_ps(vx1, vlog2e), 0);
61 const __m512 vn2 = _mm512_roundscale_ps(_mm512_mul_ps(vx2, vlog2e), 0);
62 const __m512 vn3 = _mm512_roundscale_ps(_mm512_mul_ps(vx3, vlog2e), 0);
63 const __m512 vn4 = _mm512_roundscale_ps(_mm512_mul_ps(vx4, vlog2e), 0);
64 const __m512 vn5 = _mm512_roundscale_ps(_mm512_mul_ps(vx5, vlog2e), 0);
65 const __m512 vn6 = _mm512_roundscale_ps(_mm512_mul_ps(vx6, vlog2e), 0);
66 const __m512 vn7 = _mm512_roundscale_ps(_mm512_mul_ps(vx7, vlog2e), 0);
67
68 const __m512 vt0 = _mm512_fmadd_ps(vn0, vminus_ln2, vx0);
69 const __m512 vt1 = _mm512_fmadd_ps(vn1, vminus_ln2, vx1);
70 const __m512 vt2 = _mm512_fmadd_ps(vn2, vminus_ln2, vx2);
71 const __m512 vt3 = _mm512_fmadd_ps(vn3, vminus_ln2, vx3);
72 const __m512 vt4 = _mm512_fmadd_ps(vn4, vminus_ln2, vx4);
73 const __m512 vt5 = _mm512_fmadd_ps(vn5, vminus_ln2, vx5);
74 const __m512 vt6 = _mm512_fmadd_ps(vn6, vminus_ln2, vx6);
75 const __m512 vt7 = _mm512_fmadd_ps(vn7, vminus_ln2, vx7);
76
77 __m512 vp0 = _mm512_fmadd_ps(vc5, vt0, vc4);
78 __m512 vp1 = _mm512_fmadd_ps(vc5, vt1, vc4);
79 __m512 vp2 = _mm512_fmadd_ps(vc5, vt2, vc4);
80 __m512 vp3 = _mm512_fmadd_ps(vc5, vt3, vc4);
81 __m512 vp4 = _mm512_fmadd_ps(vc5, vt4, vc4);
82 __m512 vp5 = _mm512_fmadd_ps(vc5, vt5, vc4);
83 __m512 vp6 = _mm512_fmadd_ps(vc5, vt6, vc4);
84 __m512 vp7 = _mm512_fmadd_ps(vc5, vt7, vc4);
85
86 vp0 = _mm512_fmadd_ps(vp0, vt0, vc3);
87 vp1 = _mm512_fmadd_ps(vp1, vt1, vc3);
88 vp2 = _mm512_fmadd_ps(vp2, vt2, vc3);
89 vp3 = _mm512_fmadd_ps(vp3, vt3, vc3);
90 vp4 = _mm512_fmadd_ps(vp4, vt4, vc3);
91 vp5 = _mm512_fmadd_ps(vp5, vt5, vc3);
92 vp6 = _mm512_fmadd_ps(vp6, vt6, vc3);
93 vp7 = _mm512_fmadd_ps(vp7, vt7, vc3);
94
95 vp0 = _mm512_fmadd_ps(vp0, vt0, vc2);
96 vp1 = _mm512_fmadd_ps(vp1, vt1, vc2);
97 vp2 = _mm512_fmadd_ps(vp2, vt2, vc2);
98 vp3 = _mm512_fmadd_ps(vp3, vt3, vc2);
99 vp4 = _mm512_fmadd_ps(vp4, vt4, vc2);
100 vp5 = _mm512_fmadd_ps(vp5, vt5, vc2);
101 vp6 = _mm512_fmadd_ps(vp6, vt6, vc2);
102 vp7 = _mm512_fmadd_ps(vp7, vt7, vc2);
103
104 vp0 = _mm512_fmadd_ps(vp0, vt0, vc1);
105 vp1 = _mm512_fmadd_ps(vp1, vt1, vc1);
106 vp2 = _mm512_fmadd_ps(vp2, vt2, vc1);
107 vp3 = _mm512_fmadd_ps(vp3, vt3, vc1);
108 vp4 = _mm512_fmadd_ps(vp4, vt4, vc1);
109 vp5 = _mm512_fmadd_ps(vp5, vt5, vc1);
110 vp6 = _mm512_fmadd_ps(vp6, vt6, vc1);
111 vp7 = _mm512_fmadd_ps(vp7, vt7, vc1);
112
113 vp0 = _mm512_fmadd_ps(vp0, vt0, vc0);
114 vp1 = _mm512_fmadd_ps(vp1, vt1, vc0);
115 vp2 = _mm512_fmadd_ps(vp2, vt2, vc0);
116 vp3 = _mm512_fmadd_ps(vp3, vt3, vc0);
117 vp4 = _mm512_fmadd_ps(vp4, vt4, vc0);
118 vp5 = _mm512_fmadd_ps(vp5, vt5, vc0);
119 vp6 = _mm512_fmadd_ps(vp6, vt6, vc0);
120 vp7 = _mm512_fmadd_ps(vp7, vt7, vc0);
121
122 const __m512 vf0 = _mm512_scalef_ps(vp0, vn0);
123 const __m512 vf1 = _mm512_scalef_ps(vp1, vn1);
124 const __m512 vf2 = _mm512_scalef_ps(vp2, vn2);
125 const __m512 vf3 = _mm512_scalef_ps(vp3, vn3);
126 const __m512 vf4 = _mm512_scalef_ps(vp4, vn4);
127 const __m512 vf5 = _mm512_scalef_ps(vp5, vn5);
128 const __m512 vf6 = _mm512_scalef_ps(vp6, vn6);
129 const __m512 vf7 = _mm512_scalef_ps(vp7, vn7);
130
131 _mm512_storeu_ps(output, vf0);
132 _mm512_storeu_ps(output + 16, vf1);
133 _mm512_storeu_ps(output + 32, vf2);
134 _mm512_storeu_ps(output + 48, vf3);
135 _mm512_storeu_ps(output + 64, vf4);
136 _mm512_storeu_ps(output + 80, vf5);
137 _mm512_storeu_ps(output + 96, vf6);
138 _mm512_storeu_ps(output + 112, vf7);
139 output += 128;
140
141 vacc0 = _mm512_add_ps(vacc0, vf0);
142 vacc0 = _mm512_add_ps(vacc0, vf1);
143 vacc0 = _mm512_add_ps(vacc0, vf2);
144 vacc0 = _mm512_add_ps(vacc0, vf3);
145 vacc0 = _mm512_add_ps(vacc0, vf4);
146 vacc0 = _mm512_add_ps(vacc0, vf5);
147 vacc0 = _mm512_add_ps(vacc0, vf6);
148 vacc0 = _mm512_add_ps(vacc0, vf7);
149 }
150
151 __m512 vacc = vacc0;
152 for (; elements >= 16 * sizeof(float); elements -= 16 * sizeof(float)) {
153 const __m512 vi = _mm512_loadu_ps(input);
154 input += 16;
155
156 const __m512 vx = _mm512_sub_ps(vi, vi_max);
157
158 const __m512 vn = _mm512_roundscale_ps(_mm512_mul_ps(vx, vlog2e), 0);
159
160 const __m512 vt = _mm512_fmadd_ps(vn, vminus_ln2, vx);
161
162 __m512 vp = _mm512_fmadd_ps(vc5, vt, vc4);
163 vp = _mm512_fmadd_ps(vp, vt, vc3);
164 vp = _mm512_fmadd_ps(vp, vt, vc2);
165 vp = _mm512_fmadd_ps(vp, vt, vc1);
166 vp = _mm512_fmadd_ps(vp, vt, vc0);
167
168 const __m512 vf = _mm512_scalef_ps(vp, vn);
169
170 _mm512_storeu_ps(output, vf);
171 output += 16;
172
173 vacc = _mm512_add_ps(vacc, vf);
174 }
175 if (elements != 0) {
176 // Prepare mask for valid 32-bit elements (depends on elements).
177 elements >>= 2 /* log2(sizeof(float)) */;
178 const __mmask16 vmask = _cvtu32_mask16((uint16_t) ((uint32_t) (UINT32_C(1) << elements) - UINT32_C(1)));
179
180 const __m512 vi = _mm512_maskz_loadu_ps(vmask, input);
181
182 const __m512 vx = _mm512_sub_ps(vi, vi_max);
183
184 const __m512 vn = _mm512_roundscale_ps(_mm512_mul_ps(vx, vlog2e), 0);
185
186 const __m512 vt = _mm512_fmadd_ps(vn, vminus_ln2, vx);
187
188 __m512 vp = _mm512_fmadd_ps(vc5, vt, vc4);
189 vp = _mm512_fmadd_ps(vp, vt, vc3);
190 vp = _mm512_fmadd_ps(vp, vt, vc2);
191 vp = _mm512_fmadd_ps(vp, vt, vc1);
192 vp = _mm512_fmadd_ps(vp, vt, vc0);
193
194 const __m512 vf = _mm512_scalef_ps(vp, vn);
195
196 _mm512_mask_storeu_ps(output, vmask, vf);
197
198 vacc = _mm512_mask_add_ps(vacc, vmask, vacc, vf);
199 }
200 *sum = _mm512_reduce_add_ps(vacc);
201 }
202