1 // Auto-generated file. Do not edit!
2 // Template: src/f32-raddstoreexpminusmax/avx2-rr1-p5.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/raddstoreexpminusmax.h>
15
16
xnn_f32_raddstoreexpminusmax_ukernel__avx2_rr1_p5_x64(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)])17 void xnn_f32_raddstoreexpminusmax_ukernel__avx2_rr1_p5_x64(
18 size_t elements,
19 const float* input,
20 const float* max,
21 float* output,
22 float* sum,
23 const union xnn_f32_expminus_params params[restrict XNN_MIN_ELEMENTS(1)])
24 {
25 assert(elements % sizeof(float) == 0);
26
27 const __m256 vi_max = _mm256_broadcast_ss(max);
28 const __m256 vlog2e = _mm256_load_ps(params->avx2_rr1_p5.log2e);
29 const __m256 vmagic_bias = _mm256_load_ps(params->avx2_rr1_p5.magic_bias);
30 const __m256 vminus_ln2 = _mm256_load_ps(params->avx2_rr1_p5.minus_ln2);
31 const __m256 vc5 = _mm256_load_ps(params->avx2_rr1_p5.c5);
32 const __m256 vc4 = _mm256_load_ps(params->avx2_rr1_p5.c4);
33 const __m256 vc3 = _mm256_load_ps(params->avx2_rr1_p5.c3);
34 const __m256 vc2 = _mm256_load_ps(params->avx2_rr1_p5.c2);
35 const __m256 vc1 = _mm256_load_ps(params->avx2_rr1_p5.c1);
36 const __m256 vdenorm_cutoff = _mm256_load_ps(params->avx2_rr1_p5.denorm_cutoff);
37
38 __m256 vacc0 = _mm256_setzero_ps();
39 for (; elements >= 64 * sizeof(float); elements -= 64 * sizeof(float)) {
40 const __m256 vi0 = _mm256_loadu_ps(input);
41 const __m256 vi1 = _mm256_loadu_ps(input + 8);
42 const __m256 vi2 = _mm256_loadu_ps(input + 16);
43 const __m256 vi3 = _mm256_loadu_ps(input + 24);
44 const __m256 vi4 = _mm256_loadu_ps(input + 32);
45 const __m256 vi5 = _mm256_loadu_ps(input + 40);
46 const __m256 vi6 = _mm256_loadu_ps(input + 48);
47 const __m256 vi7 = _mm256_loadu_ps(input + 56);
48 input += 64;
49
50 const __m256 vx0 = _mm256_sub_ps(vi0, vi_max);
51 const __m256 vx1 = _mm256_sub_ps(vi1, vi_max);
52 const __m256 vx2 = _mm256_sub_ps(vi2, vi_max);
53 const __m256 vx3 = _mm256_sub_ps(vi3, vi_max);
54 const __m256 vx4 = _mm256_sub_ps(vi4, vi_max);
55 const __m256 vx5 = _mm256_sub_ps(vi5, vi_max);
56 const __m256 vx6 = _mm256_sub_ps(vi6, vi_max);
57 const __m256 vx7 = _mm256_sub_ps(vi7, vi_max);
58
59 __m256 vn0 = _mm256_fmadd_ps(vx0, vlog2e, vmagic_bias);
60 __m256 vn1 = _mm256_fmadd_ps(vx1, vlog2e, vmagic_bias);
61 __m256 vn2 = _mm256_fmadd_ps(vx2, vlog2e, vmagic_bias);
62 __m256 vn3 = _mm256_fmadd_ps(vx3, vlog2e, vmagic_bias);
63 __m256 vn4 = _mm256_fmadd_ps(vx4, vlog2e, vmagic_bias);
64 __m256 vn5 = _mm256_fmadd_ps(vx5, vlog2e, vmagic_bias);
65 __m256 vn6 = _mm256_fmadd_ps(vx6, vlog2e, vmagic_bias);
66 __m256 vn7 = _mm256_fmadd_ps(vx7, vlog2e, vmagic_bias);
67
68 const __m256 vs0 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn0), 23));
69 const __m256 vs1 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn1), 23));
70 const __m256 vs2 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn2), 23));
71 const __m256 vs3 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn3), 23));
72 const __m256 vs4 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn4), 23));
73 const __m256 vs5 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn5), 23));
74 const __m256 vs6 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn6), 23));
75 const __m256 vs7 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn7), 23));
76
77 vn0 = _mm256_sub_ps(vn0, vmagic_bias);
78 vn1 = _mm256_sub_ps(vn1, vmagic_bias);
79 vn2 = _mm256_sub_ps(vn2, vmagic_bias);
80 vn3 = _mm256_sub_ps(vn3, vmagic_bias);
81 vn4 = _mm256_sub_ps(vn4, vmagic_bias);
82 vn5 = _mm256_sub_ps(vn5, vmagic_bias);
83 vn6 = _mm256_sub_ps(vn6, vmagic_bias);
84 vn7 = _mm256_sub_ps(vn7, vmagic_bias);
85
86 __m256 vt0 = _mm256_fmadd_ps(vn0, vminus_ln2, vx0);
87 __m256 vt1 = _mm256_fmadd_ps(vn1, vminus_ln2, vx1);
88 __m256 vt2 = _mm256_fmadd_ps(vn2, vminus_ln2, vx2);
89 __m256 vt3 = _mm256_fmadd_ps(vn3, vminus_ln2, vx3);
90 __m256 vt4 = _mm256_fmadd_ps(vn4, vminus_ln2, vx4);
91 __m256 vt5 = _mm256_fmadd_ps(vn5, vminus_ln2, vx5);
92 __m256 vt6 = _mm256_fmadd_ps(vn6, vminus_ln2, vx6);
93 __m256 vt7 = _mm256_fmadd_ps(vn7, vminus_ln2, vx7);
94
95 __m256 vp0 = _mm256_fmadd_ps(vc5, vt0, vc4);
96 __m256 vp1 = _mm256_fmadd_ps(vc5, vt1, vc4);
97 __m256 vp2 = _mm256_fmadd_ps(vc5, vt2, vc4);
98 __m256 vp3 = _mm256_fmadd_ps(vc5, vt3, vc4);
99 __m256 vp4 = _mm256_fmadd_ps(vc5, vt4, vc4);
100 __m256 vp5 = _mm256_fmadd_ps(vc5, vt5, vc4);
101 __m256 vp6 = _mm256_fmadd_ps(vc5, vt6, vc4);
102 __m256 vp7 = _mm256_fmadd_ps(vc5, vt7, vc4);
103
104 vp0 = _mm256_fmadd_ps(vp0, vt0, vc3);
105 vp1 = _mm256_fmadd_ps(vp1, vt1, vc3);
106 vp2 = _mm256_fmadd_ps(vp2, vt2, vc3);
107 vp3 = _mm256_fmadd_ps(vp3, vt3, vc3);
108 vp4 = _mm256_fmadd_ps(vp4, vt4, vc3);
109 vp5 = _mm256_fmadd_ps(vp5, vt5, vc3);
110 vp6 = _mm256_fmadd_ps(vp6, vt6, vc3);
111 vp7 = _mm256_fmadd_ps(vp7, vt7, vc3);
112
113 vp0 = _mm256_fmadd_ps(vp0, vt0, vc2);
114 vp1 = _mm256_fmadd_ps(vp1, vt1, vc2);
115 vp2 = _mm256_fmadd_ps(vp2, vt2, vc2);
116 vp3 = _mm256_fmadd_ps(vp3, vt3, vc2);
117 vp4 = _mm256_fmadd_ps(vp4, vt4, vc2);
118 vp5 = _mm256_fmadd_ps(vp5, vt5, vc2);
119 vp6 = _mm256_fmadd_ps(vp6, vt6, vc2);
120 vp7 = _mm256_fmadd_ps(vp7, vt7, vc2);
121
122 vp0 = _mm256_fmadd_ps(vp0, vt0, vc1);
123 vp1 = _mm256_fmadd_ps(vp1, vt1, vc1);
124 vp2 = _mm256_fmadd_ps(vp2, vt2, vc1);
125 vp3 = _mm256_fmadd_ps(vp3, vt3, vc1);
126 vp4 = _mm256_fmadd_ps(vp4, vt4, vc1);
127 vp5 = _mm256_fmadd_ps(vp5, vt5, vc1);
128 vp6 = _mm256_fmadd_ps(vp6, vt6, vc1);
129 vp7 = _mm256_fmadd_ps(vp7, vt7, vc1);
130
131 vt0 = _mm256_mul_ps(vt0, vs0);
132 vt1 = _mm256_mul_ps(vt1, vs1);
133 vt2 = _mm256_mul_ps(vt2, vs2);
134 vt3 = _mm256_mul_ps(vt3, vs3);
135 vt4 = _mm256_mul_ps(vt4, vs4);
136 vt5 = _mm256_mul_ps(vt5, vs5);
137 vt6 = _mm256_mul_ps(vt6, vs6);
138 vt7 = _mm256_mul_ps(vt7, vs7);
139
140 __m256 vf0 = _mm256_fmadd_ps(vt0, vp0, vs0);
141 __m256 vf1 = _mm256_fmadd_ps(vt1, vp1, vs1);
142 __m256 vf2 = _mm256_fmadd_ps(vt2, vp2, vs2);
143 __m256 vf3 = _mm256_fmadd_ps(vt3, vp3, vs3);
144 __m256 vf4 = _mm256_fmadd_ps(vt4, vp4, vs4);
145 __m256 vf5 = _mm256_fmadd_ps(vt5, vp5, vs5);
146 __m256 vf6 = _mm256_fmadd_ps(vt6, vp6, vs6);
147 __m256 vf7 = _mm256_fmadd_ps(vt7, vp7, vs7);
148
149 vf0 = _mm256_andnot_ps(_mm256_cmp_ps(vx0, vdenorm_cutoff, _CMP_LT_OS), vf0);
150 vf1 = _mm256_andnot_ps(_mm256_cmp_ps(vx1, vdenorm_cutoff, _CMP_LT_OS), vf1);
151 vf2 = _mm256_andnot_ps(_mm256_cmp_ps(vx2, vdenorm_cutoff, _CMP_LT_OS), vf2);
152 vf3 = _mm256_andnot_ps(_mm256_cmp_ps(vx3, vdenorm_cutoff, _CMP_LT_OS), vf3);
153 vf4 = _mm256_andnot_ps(_mm256_cmp_ps(vx4, vdenorm_cutoff, _CMP_LT_OS), vf4);
154 vf5 = _mm256_andnot_ps(_mm256_cmp_ps(vx5, vdenorm_cutoff, _CMP_LT_OS), vf5);
155 vf6 = _mm256_andnot_ps(_mm256_cmp_ps(vx6, vdenorm_cutoff, _CMP_LT_OS), vf6);
156 vf7 = _mm256_andnot_ps(_mm256_cmp_ps(vx7, vdenorm_cutoff, _CMP_LT_OS), vf7);
157
158 _mm256_storeu_ps(output, vf0);
159 _mm256_storeu_ps(output + 8, vf1);
160 _mm256_storeu_ps(output + 16, vf2);
161 _mm256_storeu_ps(output + 24, vf3);
162 _mm256_storeu_ps(output + 32, vf4);
163 _mm256_storeu_ps(output + 40, vf5);
164 _mm256_storeu_ps(output + 48, vf6);
165 _mm256_storeu_ps(output + 56, vf7);
166 output += 64;
167
168 vacc0 = _mm256_add_ps(vacc0, vf0);
169 vacc0 = _mm256_add_ps(vacc0, vf1);
170 vacc0 = _mm256_add_ps(vacc0, vf2);
171 vacc0 = _mm256_add_ps(vacc0, vf3);
172 vacc0 = _mm256_add_ps(vacc0, vf4);
173 vacc0 = _mm256_add_ps(vacc0, vf5);
174 vacc0 = _mm256_add_ps(vacc0, vf6);
175 vacc0 = _mm256_add_ps(vacc0, vf7);
176 }
177
178 __m256 vacc = vacc0;
179 for (; elements >= 8 * sizeof(float); elements -= 8 * sizeof(float)) {
180 const __m256 vi = _mm256_loadu_ps(input);
181 input += 8;
182
183 const __m256 vx = _mm256_sub_ps(vi, vi_max);
184
185 __m256 vn = _mm256_fmadd_ps(vx, vlog2e, vmagic_bias);
186
187 const __m256 vs = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn), 23));
188
189 vn = _mm256_sub_ps(vn, vmagic_bias);
190
191 __m256 vt = _mm256_fmadd_ps(vn, vminus_ln2, vx);
192
193 __m256 vp = _mm256_fmadd_ps(vc5, vt, vc4);
194 vp = _mm256_fmadd_ps(vp, vt, vc3);
195 vp = _mm256_fmadd_ps(vp, vt, vc2);
196 vp = _mm256_fmadd_ps(vp, vt, vc1);
197
198 vt = _mm256_mul_ps(vt, vs);
199 __m256 vf = _mm256_fmadd_ps(vt, vp, vs);
200
201 vf = _mm256_andnot_ps(_mm256_cmp_ps(vx, vdenorm_cutoff, _CMP_LT_OS), vf);
202
203 _mm256_storeu_ps(output, vf);
204 output += 8;
205
206 vacc = _mm256_add_ps(vacc, vf);
207 }
208 if (elements != 0) {
209 assert(elements >= 1 * sizeof(float));
210 assert(elements <= 7 * sizeof(float));
211 const __m256i vmask = _mm256_loadu_si256((const __m256i*) ((uintptr_t) ¶ms->avx2_rr1_p5.mask_table[7] - elements));
212
213 const __m256 vi = _mm256_maskload_ps(input, vmask);
214
215 const __m256 vx = _mm256_sub_ps(vi, vi_max);
216
217 __m256 vn = _mm256_fmadd_ps(vx, vlog2e, vmagic_bias);
218
219 const __m256 vs = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn), 23));
220
221 vn = _mm256_sub_ps(vn, vmagic_bias);
222
223 __m256 vt = _mm256_fmadd_ps(vn, vminus_ln2, vx);
224
225 __m256 vp = _mm256_fmadd_ps(vc5, vt, vc4);
226 vp = _mm256_fmadd_ps(vp, vt, vc3);
227 vp = _mm256_fmadd_ps(vp, vt, vc2);
228 vp = _mm256_fmadd_ps(vp, vt, vc1);
229
230 vt = _mm256_mul_ps(vt, vs);
231 __m256 vf = _mm256_fmadd_ps(vt, vp, vs);
232
233 vf = _mm256_andnot_ps(_mm256_cmp_ps(vx, vdenorm_cutoff, _CMP_LT_OS), vf);
234
235 __m128 vf_lo = _mm256_castps256_ps128(vf);
236 if (elements & (4 * sizeof(float))) {
237 _mm_storeu_ps(output, vf_lo);
238 vf_lo = _mm256_extractf128_ps(vf, 1);
239 output += 4;
240 }
241 if (elements & (2 * sizeof(float))) {
242 _mm_storel_pi((__m64*) output, vf_lo);
243 vf_lo = _mm_movehl_ps(vf_lo, vf_lo);
244 output += 2;
245 }
246 if (elements & (1 * sizeof(float))) {
247 _mm_store_ss(output, vf_lo);
248 }
249
250 vacc = _mm256_add_ps(vacc, _mm256_and_ps(vf, _mm256_castsi256_ps(vmask)));
251 }
252 __m128 vacc_lo = _mm_add_ps(_mm256_castps256_ps128(vacc), _mm256_extractf128_ps(vacc, 1));
253 vacc_lo = _mm_add_ps(vacc_lo, _mm_movehl_ps(vacc_lo, vacc_lo));
254 vacc_lo = _mm_add_ss(vacc_lo, _mm_movehdup_ps(vacc_lo));
255 _mm_store_ss(sum, vacc_lo);
256 _mm256_zeroupper();
257 }
258