-
Notifications
You must be signed in to change notification settings - Fork 4
/
mul8_479.c
366 lines (361 loc) · 9.47 KB
/
mul8_479.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
/***
* This code is a part of EvoApproxLib library (ehw.fit.vutbr.cz/approxlib) distributed under The MIT License.
* When used, please cite the following article(s): V. Mrazek, R. Hrbacek, Z. Vasicek and L. Sekanina, "EvoApprox8b: Library of approximate adders and multipliers for circuit design and benchmarking of approximation methods". Design, Automation & Test in Europe Conference & Exhibition (DATE), 2017, Lausanne, 2017, pp. 258-261. doi: 10.23919/DATE.2017.7926993
* This file contains a circuit from evoapprox8b dataset. Note that a new version of library was already published.
***/
#include <stdint.h>
#include <stdlib.h>
/// Approximate function mul8_479
/// Library = EvoApprox8b
/// Circuit = mul8_479
/// Area (180) = 6453
/// Delay (180) = 4.740
/// Power (180) = 3123.20
/// Area (45) = 469
/// Delay (45) = 1.720
/// Power (45) = 270.60
/// Nodes = 106
/// HD = 258422
/// MAE = 76.33923
/// MSE = 11094.32812
/// MRE = 2.20 %
/// WCE = 529
/// WCRE = 200 %
/// EP = 95.1 %
uint16_t mul8_479(uint8_t a, uint8_t b)
{
uint16_t c = 0;
uint8_t n0 = (a >> 0) & 0x1;
uint8_t n2 = (a >> 1) & 0x1;
uint8_t n4 = (a >> 2) & 0x1;
uint8_t n6 = (a >> 3) & 0x1;
uint8_t n8 = (a >> 4) & 0x1;
uint8_t n10 = (a >> 5) & 0x1;
uint8_t n12 = (a >> 6) & 0x1;
uint8_t n14 = (a >> 7) & 0x1;
uint8_t n16 = (b >> 0) & 0x1;
uint8_t n18 = (b >> 1) & 0x1;
uint8_t n20 = (b >> 2) & 0x1;
uint8_t n22 = (b >> 3) & 0x1;
uint8_t n24 = (b >> 4) & 0x1;
uint8_t n26 = (b >> 5) & 0x1;
uint8_t n28 = (b >> 6) & 0x1;
uint8_t n30 = (b >> 7) & 0x1;
uint8_t n32;
uint8_t n33;
uint8_t n34;
uint8_t n35;
uint8_t n38;
uint8_t n39;
uint8_t n41;
uint8_t n49;
uint8_t n50;
uint8_t n54;
uint8_t n74;
uint8_t n77;
uint8_t n82;
uint8_t n93;
uint8_t n94;
uint8_t n102;
uint8_t n103;
uint8_t n114;
uint8_t n115;
uint8_t n132;
uint8_t n148;
uint8_t n182;
uint8_t n232;
uint8_t n248;
uint8_t n264;
uint8_t n282;
uint8_t n364;
uint8_t n382;
uint8_t n398;
uint8_t n399;
uint8_t n414;
uint8_t n415;
uint8_t n514;
uint8_t n532;
uint8_t n548;
uint8_t n614;
uint8_t n632;
uint8_t n648;
uint8_t n664;
uint8_t n665;
uint8_t n682;
uint8_t n683;
uint8_t n732;
uint8_t n733;
uint8_t n748;
uint8_t n764;
uint8_t n782;
uint8_t n798;
uint8_t n814;
uint8_t n832;
uint8_t n865;
uint8_t n882;
uint8_t n883;
uint8_t n898;
uint8_t n899;
uint8_t n914;
uint8_t n915;
uint8_t n932;
uint8_t n933;
uint8_t n948;
uint8_t n949;
uint8_t n998;
uint8_t n1014;
uint8_t n1032;
uint8_t n1048;
uint8_t n1064;
uint8_t n1082;
uint8_t n1132;
uint8_t n1148;
uint8_t n1149;
uint8_t n1164;
uint8_t n1165;
uint8_t n1182;
uint8_t n1183;
uint8_t n1198;
uint8_t n1199;
uint8_t n1214;
uint8_t n1215;
uint8_t n1232;
uint8_t n1248;
uint8_t n1264;
uint8_t n1282;
uint8_t n1298;
uint8_t n1314;
uint8_t n1332;
uint8_t n1348;
uint8_t n1364;
uint8_t n1382;
uint8_t n1383;
uint8_t n1398;
uint8_t n1399;
uint8_t n1414;
uint8_t n1415;
uint8_t n1432;
uint8_t n1433;
uint8_t n1448;
uint8_t n1449;
uint8_t n1464;
uint8_t n1465;
uint8_t n1482;
uint8_t n1483;
uint8_t n1498;
uint8_t n1514;
uint8_t n1532;
uint8_t n1548;
uint8_t n1564;
uint8_t n1582;
uint8_t n1598;
uint8_t n1614;
uint8_t n1632;
uint8_t n1633;
uint8_t n1648;
uint8_t n1649;
uint8_t n1664;
uint8_t n1665;
uint8_t n1682;
uint8_t n1683;
uint8_t n1698;
uint8_t n1699;
uint8_t n1714;
uint8_t n1715;
uint8_t n1732;
uint8_t n1733;
uint8_t n1748;
uint8_t n1749;
uint8_t n1764;
uint8_t n1782;
uint8_t n1798;
uint8_t n1814;
uint8_t n1832;
uint8_t n1848;
uint8_t n1849;
uint8_t n1864;
uint8_t n1882;
uint8_t n1898;
uint8_t n1899;
uint8_t n1914;
uint8_t n1915;
uint8_t n1932;
uint8_t n1933;
uint8_t n1948;
uint8_t n1949;
uint8_t n1964;
uint8_t n1965;
uint8_t n1982;
uint8_t n1983;
uint8_t n1998;
uint8_t n1999;
uint8_t n2014;
uint8_t n2015;
n32 = ~(n18 | n14);
n33 = ~(n18 | n14);
n34 = ~((n33 | n32) & n14);
n35 = ~((n33 | n32) & n14);
n38 = ~(n26 | n34 | n10);
n39 = ~(n26 | n34 | n10);
n41 = n18 & n38;
n49 = ~(n41 | n14 | n0);
n50 = ~(n39 & n4);
n54 = ~((n50 | n16) & n22);
n74 = ~(n49 | n18);
n77 = ~(n10 & n74);
n82 = n6 & n20;
n93 = ~(n10 | n54);
n94 = ~((n77 & n32) | n18);
n102 = ~((n26 | n50) & n35);
n103 = ~((n26 | n50) & n35);
n114 = n103 & n50;
n115 = n103 & n50;
n132 = n94 & n16;
n148 = n14 & n16;
n182 = n93 & n0;
n232 = n8 & n18;
n248 = n10 & n18;
n264 = n12 & n18;
n282 = n14 & n18;
n364 = n114 ^ n232;
n382 = n132 | n248;
n398 = n148 ^ n264;
n399 = n148 & n264;
n414 = n399 ^ n282;
n415 = n399 & n282;
n514 = n10 & n20;
n532 = n12 & n20;
n548 = n14 & n20;
n614 = n364 | n82;
n632 = n382 ^ n102;
n648 = n398 | n514;
n664 = n414 ^ n532;
n665 = n414 & n532;
n682 = (n415 ^ n548) ^ n665;
n683 = (n415 & n548) | (n548 & n665) | (n415 & n665);
n732 = n4 & n22;
n733 = n4 & n22;
n748 = n6 & n22;
n764 = n8 & n22;
n782 = n10 & n22;
n798 = n12 & n22;
n814 = n14 & n22;
n832 = n665;
n865 = n614 | n732;
n882 = (n632 ^ n748) ^ n865;
n883 = (n632 & n748) | (n748 & n865) | (n632 & n865);
n898 = (n648 ^ n764) ^ n883;
n899 = (n648 & n764) | (n764 & n883) | (n648 & n883);
n914 = (n664 ^ n782) ^ n899;
n915 = (n664 & n782) | (n782 & n899) | (n664 & n899);
n932 = (n682 ^ n798) ^ n915;
n933 = (n682 & n798) | (n798 & n915) | (n682 & n915);
n948 = (n683 ^ n814) ^ n933;
n949 = (n683 & n814) | (n814 & n933) | (n683 & n933);
n998 = n4 & n24;
n1014 = n6 & n24;
n1032 = n8 & n24;
n1048 = n10 & n24;
n1064 = n12 & n24;
n1082 = n14 & n24;
n1132 = n882 | n998;
n1148 = n898 ^ n1014;
n1149 = n898 & n1014;
n1164 = (n914 ^ n1032) ^ n1149;
n1165 = (n914 & n1032) | (n1032 & n1149) | (n914 & n1149);
n1182 = (n932 ^ n1048) ^ n1165;
n1183 = (n932 & n1048) | (n1048 & n1165) | (n932 & n1165);
n1198 = (n948 ^ n1064) ^ n1183;
n1199 = (n948 & n1064) | (n1064 & n1183) | (n948 & n1183);
n1214 = (n949 ^ n1082) ^ n1199;
n1215 = (n949 & n1082) | (n1082 & n1199) | (n949 & n1199);
n1232 = n0 & n26;
n1248 = n2 & n26;
n1264 = n4 & n26;
n1282 = n6 & n26;
n1298 = n8 & n26;
n1314 = n10 & n26;
n1332 = n12 & n26;
n1348 = n14 & n26;
n1364 = n733 | n1232;
n1382 = n1132 ^ n1248;
n1383 = n1132 & n1248;
n1398 = (n1148 ^ n1264) ^ n1383;
n1399 = (n1148 & n1264) | (n1264 & n1383) | (n1148 & n1383);
n1414 = (n1164 ^ n1282) ^ n1399;
n1415 = (n1164 & n1282) | (n1282 & n1399) | (n1164 & n1399);
n1432 = (n1182 ^ n1298) ^ n1415;
n1433 = (n1182 & n1298) | (n1298 & n1415) | (n1182 & n1415);
n1448 = (n1198 ^ n1314) ^ n1433;
n1449 = (n1198 & n1314) | (n1314 & n1433) | (n1198 & n1433);
n1464 = (n1214 ^ n1332) ^ n1449;
n1465 = (n1214 & n1332) | (n1332 & n1449) | (n1214 & n1449);
n1482 = (n1215 ^ n1348) ^ n1465;
n1483 = (n1215 & n1348) | (n1348 & n1465) | (n1215 & n1465);
n1498 = n0 & n28;
n1514 = n2 & n28;
n1532 = n4 & n28;
n1548 = n6 & n28;
n1564 = n8 & n28;
n1582 = n10 & n28;
n1598 = n12 & n28;
n1614 = n14 & n28;
n1632 = n1382 ^ n1498;
n1633 = n1382 & n1498;
n1648 = (n1398 ^ n1514) ^ n1633;
n1649 = (n1398 & n1514) | (n1514 & n1633) | (n1398 & n1633);
n1664 = (n1414 ^ n1532) ^ n1649;
n1665 = (n1414 & n1532) | (n1532 & n1649) | (n1414 & n1649);
n1682 = (n1432 ^ n1548) ^ n1665;
n1683 = (n1432 & n1548) | (n1548 & n1665) | (n1432 & n1665);
n1698 = (n1448 ^ n1564) ^ n1683;
n1699 = (n1448 & n1564) | (n1564 & n1683) | (n1448 & n1683);
n1714 = (n1464 ^ n1582) ^ n1699;
n1715 = (n1464 & n1582) | (n1582 & n1699) | (n1464 & n1699);
n1732 = (n1482 ^ n1598) ^ n1715;
n1733 = (n1482 & n1598) | (n1598 & n1715) | (n1482 & n1715);
n1748 = (n1483 ^ n1614) ^ n1733;
n1749 = (n1483 & n1614) | (n1614 & n1733) | (n1483 & n1733);
n1764 = n0 & n30;
n1782 = n2 & n30;
n1798 = n4 & n30;
n1814 = n6 & n30;
n1832 = n8 & n30;
n1848 = n10 & n30;
n1849 = n10 & n30;
n1864 = n12 & n30;
n1882 = n14 & n30;
n1898 = n1648 ^ n1764;
n1899 = n1648 & n1764;
n1914 = (n1664 ^ n1782) ^ n1899;
n1915 = (n1664 & n1782) | (n1782 & n1899) | (n1664 & n1899);
n1932 = (n1682 ^ n1798) ^ n1915;
n1933 = (n1682 & n1798) | (n1798 & n1915) | (n1682 & n1915);
n1948 = (n1698 ^ n1814) ^ n1933;
n1949 = (n1698 & n1814) | (n1814 & n1933) | (n1698 & n1933);
n1964 = (n1714 ^ n1832) ^ n1949;
n1965 = (n1714 & n1832) | (n1832 & n1949) | (n1714 & n1949);
n1982 = (n1732 ^ n1848) ^ n1965;
n1983 = (n1732 & n1848) | (n1848 & n1965) | (n1732 & n1965);
n1998 = (n1748 ^ n1864) ^ n1983;
n1999 = (n1748 & n1864) | (n1864 & n1983) | (n1748 & n1983);
n2014 = (n1749 ^ n1882) ^ n1999;
n2015 = (n1749 & n1882) | (n1882 & n1999) | (n1749 & n1999);
c |= (n1849 & 0x1) << 0;
c |= (n182 & 0x1) << 1;
c |= (n115 & 0x1) << 2;
c |= (n832 & 0x1) << 3;
c |= (n1165 & 0x1) << 4;
c |= (n1364 & 0x1) << 5;
c |= (n1632 & 0x1) << 6;
c |= (n1898 & 0x1) << 7;
c |= (n1914 & 0x1) << 8;
c |= (n1932 & 0x1) << 9;
c |= (n1948 & 0x1) << 10;
c |= (n1964 & 0x1) << 11;
c |= (n1982 & 0x1) << 12;
c |= (n1998 & 0x1) << 13;
c |= (n2014 & 0x1) << 14;
c |= (n2015 & 0x1) << 15;
return c;
}