1 // Auto-generated file. Do not edit!
2 // Template: src/f16-raddstoreexpminusmax/avx2-rr1-p2.c.in
3 // Generator: tools/xngen
4 //
5 // Copyright 2022 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_f16_raddstoreexpminusmax_ukernel__avx2_rr1_p2_x96(size_t batch,const void * input,const void * max,void * output,void * sum,const union xnn_f16_expminus_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f16_raddstoreexpminusmax_ukernel__avx2_rr1_p2_x96(
19 size_t batch,
20 const void* input,
21 const void* max,
22 void* output,
23 void* sum,
24 const union xnn_f16_expminus_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
25 {
26 assert(batch % sizeof(uint16_t) == 0);
27
28 const __m256 vi_max = _mm256_cvtph_ps(_mm_set1_epi16((short) *((const uint16_t*) max)));
29 const __m256 vlog2e = _mm256_load_ps(params->avx2_rr1_p2.log2e);
30 const __m256 vmagic_bias = _mm256_load_ps(params->avx2_rr1_p2.magic_bias);
31 const __m256 vminus_ln2 = _mm256_load_ps(params->avx2_rr1_p2.minus_ln2);
32 const __m256 vc2 = _mm256_load_ps(params->avx2_rr1_p2.c2);
33 const __m256 vc1 = _mm256_load_ps(params->avx2_rr1_p2.c1);
34 const __m256 vdenorm_cutoff = _mm256_load_ps(params->avx2_rr1_p2.denorm_cutoff);
35
36 const uint16_t* i = (const uint16_t*) input;
37 uint16_t* o = (uint16_t*) output;
38 __m256 vacc0 = _mm256_setzero_ps();
39 for (; batch >= 96 * sizeof(uint16_t); batch -= 96 * sizeof(uint16_t)) {
40 const __m256 vi0 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i));
41 const __m256 vi1 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) (i + 8)));
42 const __m256 vi2 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) (i + 16)));
43 const __m256 vi3 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) (i + 24)));
44 const __m256 vi4 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) (i + 32)));
45 const __m256 vi5 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) (i + 40)));
46 const __m256 vi6 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) (i + 48)));
47 const __m256 vi7 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) (i + 56)));
48 const __m256 vi8 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) (i + 64)));
49 const __m256 vi9 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) (i + 72)));
50 const __m256 viA = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) (i + 80)));
51 const __m256 viB = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) (i + 88)));
52 i += 96;
53
54 const __m256 vx0 = _mm256_sub_ps(vi0, vi_max);
55 const __m256 vx1 = _mm256_sub_ps(vi1, vi_max);
56 const __m256 vx2 = _mm256_sub_ps(vi2, vi_max);
57 const __m256 vx3 = _mm256_sub_ps(vi3, vi_max);
58 const __m256 vx4 = _mm256_sub_ps(vi4, vi_max);
59 const __m256 vx5 = _mm256_sub_ps(vi5, vi_max);
60 const __m256 vx6 = _mm256_sub_ps(vi6, vi_max);
61 const __m256 vx7 = _mm256_sub_ps(vi7, vi_max);
62 const __m256 vx8 = _mm256_sub_ps(vi8, vi_max);
63 const __m256 vx9 = _mm256_sub_ps(vi9, vi_max);
64 const __m256 vxA = _mm256_sub_ps(viA, vi_max);
65 const __m256 vxB = _mm256_sub_ps(viB, vi_max);
66
67 __m256 vn0 = _mm256_fmadd_ps(vx0, vlog2e, vmagic_bias);
68 __m256 vn1 = _mm256_fmadd_ps(vx1, vlog2e, vmagic_bias);
69 __m256 vn2 = _mm256_fmadd_ps(vx2, vlog2e, vmagic_bias);
70 __m256 vn3 = _mm256_fmadd_ps(vx3, vlog2e, vmagic_bias);
71 __m256 vn4 = _mm256_fmadd_ps(vx4, vlog2e, vmagic_bias);
72 __m256 vn5 = _mm256_fmadd_ps(vx5, vlog2e, vmagic_bias);
73 __m256 vn6 = _mm256_fmadd_ps(vx6, vlog2e, vmagic_bias);
74 __m256 vn7 = _mm256_fmadd_ps(vx7, vlog2e, vmagic_bias);
75 __m256 vn8 = _mm256_fmadd_ps(vx8, vlog2e, vmagic_bias);
76 __m256 vn9 = _mm256_fmadd_ps(vx9, vlog2e, vmagic_bias);
77 __m256 vnA = _mm256_fmadd_ps(vxA, vlog2e, vmagic_bias);
78 __m256 vnB = _mm256_fmadd_ps(vxB, vlog2e, vmagic_bias);
79
80 const __m256 vs0 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn0), 23));
81 const __m256 vs1 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn1), 23));
82 const __m256 vs2 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn2), 23));
83 const __m256 vs3 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn3), 23));
84 const __m256 vs4 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn4), 23));
85 const __m256 vs5 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn5), 23));
86 const __m256 vs6 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn6), 23));
87 const __m256 vs7 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn7), 23));
88 const __m256 vs8 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn8), 23));
89 const __m256 vs9 = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn9), 23));
90 const __m256 vsA = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vnA), 23));
91 const __m256 vsB = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vnB), 23));
92
93 vn0 = _mm256_sub_ps(vn0, vmagic_bias);
94 vn1 = _mm256_sub_ps(vn1, vmagic_bias);
95 vn2 = _mm256_sub_ps(vn2, vmagic_bias);
96 vn3 = _mm256_sub_ps(vn3, vmagic_bias);
97 vn4 = _mm256_sub_ps(vn4, vmagic_bias);
98 vn5 = _mm256_sub_ps(vn5, vmagic_bias);
99 vn6 = _mm256_sub_ps(vn6, vmagic_bias);
100 vn7 = _mm256_sub_ps(vn7, vmagic_bias);
101 vn8 = _mm256_sub_ps(vn8, vmagic_bias);
102 vn9 = _mm256_sub_ps(vn9, vmagic_bias);
103 vnA = _mm256_sub_ps(vnA, vmagic_bias);
104 vnB = _mm256_sub_ps(vnB, vmagic_bias);
105
106 __m256 vt0 = _mm256_fmadd_ps(vn0, vminus_ln2, vx0);
107 __m256 vt1 = _mm256_fmadd_ps(vn1, vminus_ln2, vx1);
108 __m256 vt2 = _mm256_fmadd_ps(vn2, vminus_ln2, vx2);
109 __m256 vt3 = _mm256_fmadd_ps(vn3, vminus_ln2, vx3);
110 __m256 vt4 = _mm256_fmadd_ps(vn4, vminus_ln2, vx4);
111 __m256 vt5 = _mm256_fmadd_ps(vn5, vminus_ln2, vx5);
112 __m256 vt6 = _mm256_fmadd_ps(vn6, vminus_ln2, vx6);
113 __m256 vt7 = _mm256_fmadd_ps(vn7, vminus_ln2, vx7);
114 __m256 vt8 = _mm256_fmadd_ps(vn8, vminus_ln2, vx8);
115 __m256 vt9 = _mm256_fmadd_ps(vn9, vminus_ln2, vx9);
116 __m256 vtA = _mm256_fmadd_ps(vnA, vminus_ln2, vxA);
117 __m256 vtB = _mm256_fmadd_ps(vnB, vminus_ln2, vxB);
118
119 const __m256 vp0 = _mm256_fmadd_ps(vc2, vt0, vc1);
120 const __m256 vp1 = _mm256_fmadd_ps(vc2, vt1, vc1);
121 const __m256 vp2 = _mm256_fmadd_ps(vc2, vt2, vc1);
122 const __m256 vp3 = _mm256_fmadd_ps(vc2, vt3, vc1);
123 const __m256 vp4 = _mm256_fmadd_ps(vc2, vt4, vc1);
124 const __m256 vp5 = _mm256_fmadd_ps(vc2, vt5, vc1);
125 const __m256 vp6 = _mm256_fmadd_ps(vc2, vt6, vc1);
126 const __m256 vp7 = _mm256_fmadd_ps(vc2, vt7, vc1);
127 const __m256 vp8 = _mm256_fmadd_ps(vc2, vt8, vc1);
128 const __m256 vp9 = _mm256_fmadd_ps(vc2, vt9, vc1);
129 const __m256 vpA = _mm256_fmadd_ps(vc2, vtA, vc1);
130 const __m256 vpB = _mm256_fmadd_ps(vc2, vtB, vc1);
131
132 vt0 = _mm256_mul_ps(vt0, vs0);
133 vt1 = _mm256_mul_ps(vt1, vs1);
134 vt2 = _mm256_mul_ps(vt2, vs2);
135 vt3 = _mm256_mul_ps(vt3, vs3);
136 vt4 = _mm256_mul_ps(vt4, vs4);
137 vt5 = _mm256_mul_ps(vt5, vs5);
138 vt6 = _mm256_mul_ps(vt6, vs6);
139 vt7 = _mm256_mul_ps(vt7, vs7);
140 vt8 = _mm256_mul_ps(vt8, vs8);
141 vt9 = _mm256_mul_ps(vt9, vs9);
142 vtA = _mm256_mul_ps(vtA, vsA);
143 vtB = _mm256_mul_ps(vtB, vsB);
144
145 __m256 vf0 = _mm256_fmadd_ps(vt0, vp0, vs0);
146 __m256 vf1 = _mm256_fmadd_ps(vt1, vp1, vs1);
147 __m256 vf2 = _mm256_fmadd_ps(vt2, vp2, vs2);
148 __m256 vf3 = _mm256_fmadd_ps(vt3, vp3, vs3);
149 __m256 vf4 = _mm256_fmadd_ps(vt4, vp4, vs4);
150 __m256 vf5 = _mm256_fmadd_ps(vt5, vp5, vs5);
151 __m256 vf6 = _mm256_fmadd_ps(vt6, vp6, vs6);
152 __m256 vf7 = _mm256_fmadd_ps(vt7, vp7, vs7);
153 __m256 vf8 = _mm256_fmadd_ps(vt8, vp8, vs8);
154 __m256 vf9 = _mm256_fmadd_ps(vt9, vp9, vs9);
155 __m256 vfA = _mm256_fmadd_ps(vtA, vpA, vsA);
156 __m256 vfB = _mm256_fmadd_ps(vtB, vpB, vsB);
157
158 vf0 = _mm256_andnot_ps(_mm256_cmp_ps(vx0, vdenorm_cutoff, _CMP_LT_OS), vf0);
159 vf1 = _mm256_andnot_ps(_mm256_cmp_ps(vx1, vdenorm_cutoff, _CMP_LT_OS), vf1);
160 vf2 = _mm256_andnot_ps(_mm256_cmp_ps(vx2, vdenorm_cutoff, _CMP_LT_OS), vf2);
161 vf3 = _mm256_andnot_ps(_mm256_cmp_ps(vx3, vdenorm_cutoff, _CMP_LT_OS), vf3);
162 vf4 = _mm256_andnot_ps(_mm256_cmp_ps(vx4, vdenorm_cutoff, _CMP_LT_OS), vf4);
163 vf5 = _mm256_andnot_ps(_mm256_cmp_ps(vx5, vdenorm_cutoff, _CMP_LT_OS), vf5);
164 vf6 = _mm256_andnot_ps(_mm256_cmp_ps(vx6, vdenorm_cutoff, _CMP_LT_OS), vf6);
165 vf7 = _mm256_andnot_ps(_mm256_cmp_ps(vx7, vdenorm_cutoff, _CMP_LT_OS), vf7);
166 vf8 = _mm256_andnot_ps(_mm256_cmp_ps(vx8, vdenorm_cutoff, _CMP_LT_OS), vf8);
167 vf9 = _mm256_andnot_ps(_mm256_cmp_ps(vx9, vdenorm_cutoff, _CMP_LT_OS), vf9);
168 vfA = _mm256_andnot_ps(_mm256_cmp_ps(vxA, vdenorm_cutoff, _CMP_LT_OS), vfA);
169 vfB = _mm256_andnot_ps(_mm256_cmp_ps(vxB, vdenorm_cutoff, _CMP_LT_OS), vfB);
170
171 _mm_storeu_si128((__m128i*) o, _mm256_cvtps_ph(vf0, _MM_FROUND_NO_EXC));
172 _mm_storeu_si128((__m128i*) (o + 8), _mm256_cvtps_ph(vf1, _MM_FROUND_NO_EXC));
173 _mm_storeu_si128((__m128i*) (o + 16), _mm256_cvtps_ph(vf2, _MM_FROUND_NO_EXC));
174 _mm_storeu_si128((__m128i*) (o + 24), _mm256_cvtps_ph(vf3, _MM_FROUND_NO_EXC));
175 _mm_storeu_si128((__m128i*) (o + 32), _mm256_cvtps_ph(vf4, _MM_FROUND_NO_EXC));
176 _mm_storeu_si128((__m128i*) (o + 40), _mm256_cvtps_ph(vf5, _MM_FROUND_NO_EXC));
177 _mm_storeu_si128((__m128i*) (o + 48), _mm256_cvtps_ph(vf6, _MM_FROUND_NO_EXC));
178 _mm_storeu_si128((__m128i*) (o + 56), _mm256_cvtps_ph(vf7, _MM_FROUND_NO_EXC));
179 _mm_storeu_si128((__m128i*) (o + 64), _mm256_cvtps_ph(vf8, _MM_FROUND_NO_EXC));
180 _mm_storeu_si128((__m128i*) (o + 72), _mm256_cvtps_ph(vf9, _MM_FROUND_NO_EXC));
181 _mm_storeu_si128((__m128i*) (o + 80), _mm256_cvtps_ph(vfA, _MM_FROUND_NO_EXC));
182 _mm_storeu_si128((__m128i*) (o + 88), _mm256_cvtps_ph(vfB, _MM_FROUND_NO_EXC));
183 o += 96;
184
185 vacc0 = _mm256_add_ps(vacc0, vf0);
186 vacc0 = _mm256_add_ps(vacc0, vf1);
187 vacc0 = _mm256_add_ps(vacc0, vf2);
188 vacc0 = _mm256_add_ps(vacc0, vf3);
189 vacc0 = _mm256_add_ps(vacc0, vf4);
190 vacc0 = _mm256_add_ps(vacc0, vf5);
191 vacc0 = _mm256_add_ps(vacc0, vf6);
192 vacc0 = _mm256_add_ps(vacc0, vf7);
193 vacc0 = _mm256_add_ps(vacc0, vf8);
194 vacc0 = _mm256_add_ps(vacc0, vf9);
195 vacc0 = _mm256_add_ps(vacc0, vfA);
196 vacc0 = _mm256_add_ps(vacc0, vfB);
197 }
198
199 __m256 vacc = vacc0;
200 for (; batch >= 8 * sizeof(uint16_t); batch -= 8 * sizeof(uint16_t)) {
201 const __m256 vi = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i));
202 i += 8;
203
204 const __m256 vx = _mm256_sub_ps(vi, vi_max);
205
206 __m256 vn = _mm256_fmadd_ps(vx, vlog2e, vmagic_bias);
207
208 const __m256 vs = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn), 23));
209
210 vn = _mm256_sub_ps(vn, vmagic_bias);
211
212 __m256 vt = _mm256_fmadd_ps(vn, vminus_ln2, vx);
213
214 const __m256 vp = _mm256_fmadd_ps(vc2, vt, vc1);
215 vt = _mm256_mul_ps(vt, vs);
216 __m256 vf = _mm256_fmadd_ps(vt, vp, vs);
217 vf = _mm256_andnot_ps(_mm256_cmp_ps(vx, vdenorm_cutoff, _CMP_LT_OS), vf);
218
219 _mm_storeu_si128((__m128i*) o, _mm256_cvtps_ph(vf, _MM_FROUND_NO_EXC));
220 o += 8;
221
222 vacc = _mm256_add_ps(vacc, vf);
223 }
224 __m128 vacc_lo = _mm_add_ps(_mm256_castps256_ps128(vacc), _mm256_extractf128_ps(vacc, 1));
225 if (batch != 0) {
226 assert(batch >= 1 * sizeof(uint16_t));
227 assert(batch <= 7 * sizeof(uint16_t));
228
229 const __m256 vi = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i));
230
231 const __m256 vx = _mm256_sub_ps(vi, vi_max);
232
233 __m256 vn = _mm256_fmadd_ps(vx, vlog2e, vmagic_bias);
234
235 const __m256 vs = _mm256_castsi256_ps(_mm256_slli_epi32(_mm256_castps_si256(vn), 23));
236
237 vn = _mm256_sub_ps(vn, vmagic_bias);
238
239 __m256 vt = _mm256_fmadd_ps(vn, vminus_ln2, vx);
240
241 const __m256 vp = _mm256_fmadd_ps(vc2, vt, vc1);
242 vt = _mm256_mul_ps(vt, vs);
243 __m256 vf = _mm256_fmadd_ps(vt, vp, vs);
244 vf = _mm256_andnot_ps(_mm256_cmp_ps(vx, vdenorm_cutoff, _CMP_LT_OS), vf);
245
246 __m128i vh = _mm256_cvtps_ph(vf, _MM_FROUND_NO_EXC);
247 __m128 vf_lo = _mm256_castps256_ps128(vf);
248 if (batch & (4 * sizeof(uint16_t))) {
249 _mm_storel_epi64((__m128i*) o, vh);
250 vh = _mm_unpackhi_epi64(vh, vh);
251 vacc_lo = _mm_add_ps(vacc_lo, vf_lo);
252 vf_lo = _mm256_extractf128_ps(vf, 1);
253 o += 4;
254 }
255 if (batch & (2 * sizeof(uint16_t))) {
256 _mm_storeu_si32(o, vh);
257 vh = _mm_srli_epi64(vh, 32);
258 vacc_lo = _mm_blend_ps(_mm_add_ps(vacc_lo, vf_lo), vacc_lo, 0xC);
259 vf_lo = _mm_movehl_ps(vf_lo, vf_lo);
260 o += 2;
261 }
262 if (batch & (1 * sizeof(uint16_t))) {
263 *o = (uint16_t) _mm_extract_epi16(vh, 0);
264 vacc_lo = _mm_add_ss(vacc_lo, vf_lo);
265 }
266 }
267 vacc_lo = _mm_add_ps(vacc_lo, _mm_movehl_ps(vacc_lo, vacc_lo));
268 vacc_lo = _mm_add_ss(vacc_lo, _mm_movehdup_ps(vacc_lo));
269 *((uint16_t*) sum) = (uint16_t) _mm_extract_epi16(_mm_cvtps_ph(vacc_lo, _MM_FROUND_NO_EXC), 0);
270 _mm256_zeroupper();
271 }
272