1 // Auto-generated file. Do not edit!
2 // Template: src/f32-vsigmoid/sse-rr2-lut64-p2-div.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 <emmintrin.h>
13
14 #include <xnnpack/common.h>
15 #include <xnnpack/vunary.h>
16
17
18 extern XNN_INTERNAL const float xnn_table_exp2minus_k_over_64[64];
19
xnn_f32_vsigmoid_ukernel__sse2_rr2_lut64_p2_div_x12(size_t n,const float * x,float * y,const union xnn_f32_sigmoid_params params[restrict XNN_MIN_ELEMENTS (1)])20 void xnn_f32_vsigmoid_ukernel__sse2_rr2_lut64_p2_div_x12(
21 size_t n,
22 const float* x,
23 float* y,
24 const union xnn_f32_sigmoid_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS
25 {
26 assert(n % sizeof(float) == 0);
27
28 const __m128 vsign_mask = _mm_load_ps(params->sse2_rr2_lut64_p2.sign_mask);
29 const __m128 vmagic_bias = _mm_load_ps(params->sse2_rr2_lut64_p2.magic_bias);
30 const __m128 vlog2e = _mm_load_ps(params->sse2_rr2_lut64_p2.log2e);
31 const __m128i vindex_mask = _mm_load_si128((const __m128i*) params->sse2_rr2_lut64_p2.index_mask);
32 const __m128 vminus_ln2_hi = _mm_load_ps(params->sse2_rr2_lut64_p2.minus_ln2_hi);
33 const __m128 vminus_ln2_lo = _mm_load_ps(params->sse2_rr2_lut64_p2.minus_ln2_lo);
34 const __m128 vc2 = _mm_load_ps(params->sse2_rr2_lut64_p2.c2);
35 const __m128 vone = _mm_load_ps(params->sse2_rr2_lut64_p2.one);
36 const __m128 vdenorm_cutoff = _mm_load_ps(params->sse2_rr2_lut64_p2.denorm_cutoff);
37
38 for (; n >= 12 * sizeof(float); n -= 12 * sizeof(float)) {
39 const __m128 vx0123 = _mm_loadu_ps(x);
40 const __m128 vx4567 = _mm_loadu_ps(x + 4);
41 const __m128 vx89AB = _mm_loadu_ps(x + 8);
42 x += 12;
43
44 const __m128 vz0123 = _mm_or_ps(vx0123, vsign_mask);
45 const __m128 vz4567 = _mm_or_ps(vx4567, vsign_mask);
46 const __m128 vz89AB = _mm_or_ps(vx89AB, vsign_mask);
47
48 __m128 vn0123 = _mm_add_ps(_mm_mul_ps(vz0123, vlog2e), vmagic_bias);
49 __m128 vn4567 = _mm_add_ps(_mm_mul_ps(vz4567, vlog2e), vmagic_bias);
50 __m128 vn89AB = _mm_add_ps(_mm_mul_ps(vz89AB, vlog2e), vmagic_bias);
51
52 const __m128i ve0123 = _mm_slli_epi32(_mm_castps_si128(vn0123), 17);
53 const __m128i ve4567 = _mm_slli_epi32(_mm_castps_si128(vn4567), 17);
54 const __m128i ve89AB = _mm_slli_epi32(_mm_castps_si128(vn89AB), 17);
55
56 const __m128i vidx0123 = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn0123), vindex_mask), 2);
57 const __m128i vidx4567 = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn4567), vindex_mask), 2);
58 const __m128i vidx89AB = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn89AB), vindex_mask), 2);
59
60 #if XNN_ARCH_X86_64
61 const uint64_t vidx01 = (uint64_t) _mm_cvtsi128_si64(vidx0123);
62 const uint64_t vidx23 = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx0123, vidx0123));
63 const __m128i vl0 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) vidx01)));
64 const __m128i vl2 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) vidx23)));
65 const __m128i vl1 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) (vidx01 >> 32))));
66 const __m128i vl01 = _mm_unpacklo_epi32(vl0, vl1);
67 const __m128i vl3 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) (vidx23 >> 32))));
68 const __m128i vl23 = _mm_unpacklo_epi32(vl2, vl3);
69 const __m128i vl0123 = _mm_unpacklo_epi64(vl01, vl23);
70 const uint64_t vidx45 = (uint64_t) _mm_cvtsi128_si64(vidx4567);
71 const uint64_t vidx67 = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx4567, vidx4567));
72 const __m128i vl4 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) vidx45)));
73 const __m128i vl6 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) vidx67)));
74 const __m128i vl5 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) (vidx45 >> 32))));
75 const __m128i vl45 = _mm_unpacklo_epi32(vl4, vl5);
76 const __m128i vl7 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) (vidx67 >> 32))));
77 const __m128i vl67 = _mm_unpacklo_epi32(vl6, vl7);
78 const __m128i vl4567 = _mm_unpacklo_epi64(vl45, vl67);
79 const uint64_t vidx89 = (uint64_t) _mm_cvtsi128_si64(vidx89AB);
80 const uint64_t vidxAB = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx89AB, vidx89AB));
81 const __m128i vl8 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) vidx89)));
82 const __m128i vlA = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) vidxAB)));
83 const __m128i vl9 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) (vidx89 >> 32))));
84 const __m128i vl89 = _mm_unpacklo_epi32(vl8, vl9);
85 const __m128i vlB = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) (vidxAB >> 32))));
86 const __m128i vlAB = _mm_unpacklo_epi32(vlA, vlB);
87 const __m128i vl89AB = _mm_unpacklo_epi64(vl89, vlAB);
88 #else // !XNN_ARCH_X86_64
89 const uint32_t vidx0 = (uint32_t) _mm_cvtsi128_si32(vidx0123);
90 const uint32_t vidx1 = (uint32_t) _mm_extract_epi16(vidx0123, 2);
91 const uint32_t vidx2 = (uint32_t) _mm_extract_epi16(vidx0123, 4);
92 const uint32_t vidx3 = (uint32_t) _mm_extract_epi16(vidx0123, 6);
93 const __m128i vl0 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + vidx0)));
94 const __m128i vl2 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + vidx2)));
95 const __m128i vl1 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + vidx1)));
96 const __m128i vl01 = _mm_unpacklo_epi32(vl0, vl1);
97 const __m128i vl3 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + vidx3)));
98 const __m128i vl23 = _mm_unpacklo_epi32(vl2, vl3);
99 const __m128i vl0123 = _mm_unpacklo_epi64(vl01, vl23);
100 const uint32_t vidx4 = (uint32_t) _mm_cvtsi128_si32(vidx4567);
101 const uint32_t vidx5 = (uint32_t) _mm_extract_epi16(vidx4567, 2);
102 const uint32_t vidx6 = (uint32_t) _mm_extract_epi16(vidx4567, 4);
103 const uint32_t vidx7 = (uint32_t) _mm_extract_epi16(vidx4567, 6);
104 const __m128i vl4 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + vidx4)));
105 const __m128i vl6 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + vidx6)));
106 const __m128i vl5 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + vidx5)));
107 const __m128i vl45 = _mm_unpacklo_epi32(vl4, vl5);
108 const __m128i vl7 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + vidx7)));
109 const __m128i vl67 = _mm_unpacklo_epi32(vl6, vl7);
110 const __m128i vl4567 = _mm_unpacklo_epi64(vl45, vl67);
111 const uint32_t vidx8 = (uint32_t) _mm_cvtsi128_si32(vidx89AB);
112 const uint32_t vidx9 = (uint32_t) _mm_extract_epi16(vidx89AB, 2);
113 const uint32_t vidxA = (uint32_t) _mm_extract_epi16(vidx89AB, 4);
114 const uint32_t vidxB = (uint32_t) _mm_extract_epi16(vidx89AB, 6);
115 const __m128i vl8 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + vidx8)));
116 const __m128i vlA = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + vidxA)));
117 const __m128i vl9 = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + vidx9)));
118 const __m128i vl89 = _mm_unpacklo_epi32(vl8, vl9);
119 const __m128i vlB = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + vidxB)));
120 const __m128i vlAB = _mm_unpacklo_epi32(vlA, vlB);
121 const __m128i vl89AB = _mm_unpacklo_epi64(vl89, vlAB);
122 #endif // XNN_ARCH_X86_64
123
124 const __m128 vs0123 = _mm_castsi128_ps(_mm_add_epi32(vl0123, ve0123));
125 const __m128 vs4567 = _mm_castsi128_ps(_mm_add_epi32(vl4567, ve4567));
126 const __m128 vs89AB = _mm_castsi128_ps(_mm_add_epi32(vl89AB, ve89AB));
127
128 vn0123 = _mm_sub_ps(vn0123, vmagic_bias);
129 vn4567 = _mm_sub_ps(vn4567, vmagic_bias);
130 vn89AB = _mm_sub_ps(vn89AB, vmagic_bias);
131
132 __m128 vt0123 = _mm_add_ps(vz0123, _mm_mul_ps(vn0123, vminus_ln2_hi));
133 __m128 vt4567 = _mm_add_ps(vz4567, _mm_mul_ps(vn4567, vminus_ln2_hi));
134 __m128 vt89AB = _mm_add_ps(vz89AB, _mm_mul_ps(vn89AB, vminus_ln2_hi));
135
136 vt0123 = _mm_add_ps(vt0123, _mm_mul_ps(vn0123, vminus_ln2_lo));
137 vt4567 = _mm_add_ps(vt4567, _mm_mul_ps(vn4567, vminus_ln2_lo));
138 vt89AB = _mm_add_ps(vt89AB, _mm_mul_ps(vn89AB, vminus_ln2_lo));
139
140 __m128 vp0123 = _mm_mul_ps(vt0123, vc2);
141 __m128 vp4567 = _mm_mul_ps(vt4567, vc2);
142 __m128 vp89AB = _mm_mul_ps(vt89AB, vc2);
143
144 vp0123 = _mm_add_ps(vt0123, _mm_mul_ps(vp0123, vt0123));
145 vp4567 = _mm_add_ps(vt4567, _mm_mul_ps(vp4567, vt4567));
146 vp89AB = _mm_add_ps(vt89AB, _mm_mul_ps(vp89AB, vt89AB));
147
148 const __m128 vy0123 = _mm_add_ps(vs0123, _mm_mul_ps(vs0123, vp0123));
149 const __m128 vy4567 = _mm_add_ps(vs4567, _mm_mul_ps(vs4567, vp4567));
150 const __m128 vy89AB = _mm_add_ps(vs89AB, _mm_mul_ps(vs89AB, vp89AB));
151
152 __m128 vf0123 = _mm_div_ps(vy0123, _mm_add_ps(vy0123, vone));
153 __m128 vf4567 = _mm_div_ps(vy4567, _mm_add_ps(vy4567, vone));
154 __m128 vf89AB = _mm_div_ps(vy89AB, _mm_add_ps(vy89AB, vone));
155
156 vf0123 = _mm_andnot_ps(_mm_cmplt_ps(vz0123, vdenorm_cutoff), vf0123);
157 vf4567 = _mm_andnot_ps(_mm_cmplt_ps(vz4567, vdenorm_cutoff), vf4567);
158 vf89AB = _mm_andnot_ps(_mm_cmplt_ps(vz89AB, vdenorm_cutoff), vf89AB);
159
160 const __m128 vm0123 = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx0123)));
161 const __m128 vm4567 = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx4567)));
162 const __m128 vm89AB = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx89AB)));
163
164 vf0123 = _mm_or_ps(_mm_and_ps(vf0123, vm0123), _mm_andnot_ps(vm0123, _mm_sub_ps(vone, vf0123)));
165 vf4567 = _mm_or_ps(_mm_and_ps(vf4567, vm4567), _mm_andnot_ps(vm4567, _mm_sub_ps(vone, vf4567)));
166 vf89AB = _mm_or_ps(_mm_and_ps(vf89AB, vm89AB), _mm_andnot_ps(vm89AB, _mm_sub_ps(vone, vf89AB)));
167
168 _mm_storeu_ps(y, vf0123);
169 _mm_storeu_ps(y + 4, vf4567);
170 _mm_storeu_ps(y + 8, vf89AB);
171 y += 12;
172 }
173 for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
174 const __m128 vx = _mm_loadu_ps(x);
175 x += 4;
176
177 const __m128 vz = _mm_or_ps(vx, vsign_mask);
178
179 __m128 vn = _mm_add_ps(_mm_mul_ps(vz, vlog2e), vmagic_bias);
180 const __m128i ve = _mm_slli_epi32(_mm_castps_si128(vn), 17);
181
182 const __m128i vidx = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn), vindex_mask), 2);
183 #if XNN_ARCH_X86_64
184 const uint64_t vidx_lo = (uint64_t) _mm_cvtsi128_si64(vidx);
185 const uint64_t vidx_hi = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx, vidx));
186 const __m128i vl_ll = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) vidx_lo)));
187 const __m128i vl_hl = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) vidx_hi)));
188 const __m128i vl_lh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) (vidx_lo >> 32))));
189 const __m128i vl_lo = _mm_unpacklo_epi32(vl_ll, vl_lh);
190 const __m128i vl_hh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) (vidx_hi >> 32))));
191 const __m128i vl_hi = _mm_unpacklo_epi32(vl_hl, vl_hh);
192 #else // !XNN_ARCH_X86_64
193 const __m128i vl_ll = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) _mm_cvtsi128_si32(vidx))));
194 const __m128i vl_hl = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) _mm_extract_epi16(vidx, 4))));
195 const __m128i vl_lh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) _mm_extract_epi16(vidx, 2))));
196 const __m128i vl_lo = _mm_unpacklo_epi32(vl_ll, vl_lh);
197 const __m128i vl_hh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) _mm_extract_epi16(vidx, 6))));
198 const __m128i vl_hi = _mm_unpacklo_epi32(vl_hl, vl_hh);
199 #endif // XNN_ARCH_X86_64
200 const __m128i vl = _mm_unpacklo_epi64(vl_lo, vl_hi);
201
202 const __m128 vs = _mm_castsi128_ps(_mm_add_epi32(vl, ve));
203 vn = _mm_sub_ps(vn, vmagic_bias);
204
205 __m128 vt = _mm_add_ps(vz, _mm_mul_ps(vn, vminus_ln2_hi));
206 vt = _mm_add_ps(vt, _mm_mul_ps(vn, vminus_ln2_lo));
207
208 __m128 vp = _mm_mul_ps(vt, vc2);
209 vp = _mm_add_ps(vt, _mm_mul_ps(vp, vt));
210
211 const __m128 vy = _mm_add_ps(vs, _mm_mul_ps(vs, vp));
212
213 __m128 vf = _mm_div_ps(vy, _mm_add_ps(vy, vone));
214 vf = _mm_andnot_ps(_mm_cmplt_ps(vz, vdenorm_cutoff), vf);
215 const __m128 vm = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx)));
216 vf = _mm_or_ps(_mm_and_ps(vf, vm), _mm_andnot_ps(vm, _mm_sub_ps(vone, vf)));
217
218 _mm_storeu_ps(y, vf);
219 y += 4;
220 }
221 if XNN_UNLIKELY(n != 0) {
222 const __m128 vx = _mm_loadu_ps(x);
223
224 const __m128 vz = _mm_or_ps(vx, vsign_mask);
225
226 __m128 vn = _mm_add_ps(_mm_mul_ps(vz, vlog2e), vmagic_bias);
227 const __m128i ve = _mm_slli_epi32(_mm_castps_si128(vn), 17);
228
229 const __m128i vidx = _mm_slli_epi32(_mm_and_si128(_mm_castps_si128(vn), vindex_mask), 2);
230 #if XNN_ARCH_X86_64
231 const uint64_t vidx_lo = (uint64_t) _mm_cvtsi128_si64(vidx);
232 const uint64_t vidx_hi = (uint64_t) _mm_cvtsi128_si64(_mm_unpackhi_epi64(vidx, vidx));
233 const __m128i vl_ll = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) vidx_lo)));
234 const __m128i vl_hl = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) vidx_hi)));
235 const __m128i vl_lh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) (vidx_lo >> 32))));
236 const __m128i vl_lo = _mm_unpacklo_epi32(vl_ll, vl_lh);
237 const __m128i vl_hh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) (vidx_hi >> 32))));
238 const __m128i vl_hi = _mm_unpacklo_epi32(vl_hl, vl_hh);
239 #else // !XNN_ARCH_X86_64
240 const __m128i vl_ll = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) _mm_cvtsi128_si32(vidx))));
241 const __m128i vl_hl = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) _mm_extract_epi16(vidx, 4))));
242 const __m128i vl_lh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) _mm_extract_epi16(vidx, 2))));
243 const __m128i vl_lo = _mm_unpacklo_epi32(vl_ll, vl_lh);
244 const __m128i vl_hh = _mm_cvtsi32_si128(*((const int*) ((uintptr_t) xnn_table_exp2minus_k_over_64 + (uint32_t) _mm_extract_epi16(vidx, 6))));
245 const __m128i vl_hi = _mm_unpacklo_epi32(vl_hl, vl_hh);
246 #endif // XNN_ARCH_X86_64
247 const __m128i vl = _mm_unpacklo_epi64(vl_lo, vl_hi);
248
249 const __m128 vs = _mm_castsi128_ps(_mm_add_epi32(vl, ve));
250 vn = _mm_sub_ps(vn, vmagic_bias);
251
252 __m128 vt = _mm_add_ps(vz, _mm_mul_ps(vn, vminus_ln2_hi));
253 vt = _mm_add_ps(vt, _mm_mul_ps(vn, vminus_ln2_lo));
254
255 __m128 vp = _mm_mul_ps(vt, vc2);
256 vp = _mm_add_ps(vt, _mm_mul_ps(vp, vt));
257
258 const __m128 vy = _mm_add_ps(vs, _mm_mul_ps(vs, vp));
259
260 __m128 vf = _mm_div_ps(vy, _mm_add_ps(vy, vone));
261 vf = _mm_andnot_ps(_mm_cmplt_ps(vz, vdenorm_cutoff), vf);
262 const __m128 vm = _mm_castsi128_ps(_mm_cmpgt_epi32(_mm_setzero_si128(), _mm_castps_si128(vx)));
263 vf = _mm_or_ps(_mm_and_ps(vf, vm), _mm_andnot_ps(vm, _mm_sub_ps(vone, vf)));
264
265 if (n & (2 * sizeof(float))) {
266 _mm_storel_pi((__m64*) y, vf);
267 vf = _mm_movehl_ps(vf, vf);
268 y += 2;
269 }
270 if (n & (1 * sizeof(float))) {
271 _mm_store_ss(y, vf);
272 }
273 }
274 }
275