-
Notifications
You must be signed in to change notification settings - Fork 4
/
mul8_122.m
182 lines (181 loc) · 7.26 KB
/
mul8_122.m
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
% 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.
function [ c ] = mul8_122( a, b )
% Approximate function mul8_122
% Library = EvoApprox8b
% Circuit = mul8_122
% Area (180) = 4915
% Delay (180) = 2.300
% Power (180) = 1755.80
% Area (45) = 363
% Delay (45) = 0.880
% Power (45) = 148.60
% Nodes = 99
% HD = 405098
% MAE = 579.88455
% MSE = 646197.11182
% MRE = 8.32 %
% WCE = 2887
% WCRE = 300 %
% EP = 99.1 %
a = uint16(a);
b = uint16(b);
c = 0;
n0 = bitand(bitshift(a, -0), 1, 'uint16');
n2 = bitand(bitshift(a, -1), 1, 'uint16');
n4 = bitand(bitshift(a, -2), 1, 'uint16');
n6 = bitand(bitshift(a, -3), 1, 'uint16');
n8 = bitand(bitshift(a, -4), 1, 'uint16');
n10 = bitand(bitshift(a, -5), 1, 'uint16');
n12 = bitand(bitshift(a, -6), 1, 'uint16');
n14 = bitand(bitshift(a, -7), 1, 'uint16');
n16 = bitand(bitshift(b, -0), 1, 'uint16');
n18 = bitand(bitshift(b, -1), 1, 'uint16');
n20 = bitand(bitshift(b, -2), 1, 'uint16');
n22 = bitand(bitshift(b, -3), 1, 'uint16');
n24 = bitand(bitshift(b, -4), 1, 'uint16');
n26 = bitand(bitshift(b, -5), 1, 'uint16');
n28 = bitand(bitshift(b, -6), 1, 'uint16');
n30 = bitand(bitshift(b, -7), 1, 'uint16');
n32 = bitand(n18, n12);
n35 = bitor(bitor(bitand(n14, n16), bitand(n16, n26)), bitand(n14, n26));
n40 = bitcmp(bitxor(n12, n12));
n41 = bitcmp(bitxor(n12, n12));
n42 = bitcmp(bitand(n6, n28));
n49 = bitcmp(bitor(bitand(n18, n14), n32));
n51 = bitor(bitor(bitand(n41, n0), bitand(n0, n2)), bitand(n41, n2));
n53 = bitcmp(bitand(bitor(n12, n51), n30));
n61 = bitcmp(bitand(n12, bitand(n28, n14)));
n65 = n41;
n66 = n65;
n67 = n65;
n68 = bitcmp(bitor(n65, bitor(n66, n22)));
n69 = bitcmp(bitor(n65, bitor(n66, n22)));
n82 = bitcmp(bitor(n6, bitor(n4, n14)));
n87 = bitor(n30, n24);
n91 = bitcmp(bitor(n87, bitor(n28, n35)));
n118 = bitand(n91, n20);
n120 = bitand(n12, n118);
n157 = bitcmp(bitor(bitand(n53, n82), n91));
n167 = bitcmp(bitand(n67, n82));
n190 = bitcmp(n69);
n203 = bitor(bitand(n167, n40), bitand(bitcmp(n167), n2));
n258 = bitand(n203, n28);
n261 = bitcmp(n61);
n301 = n69;
n306 = bitor(n22, n20);
n325 = bitor(n301, n42);
n386 = bitor(n6, n8);
n420 = bitand(n26, n386);
n460 = bitand(n10, n306);
n476 = bitand(n12, n22);
n481 = n41;
n482 = bitcmp(n53);
n484 = bitcmp(n49);
n491 = bitand(n14, n22);
n532 = bitcmp(n325);
n564 = bitand(n8, n24);
n580 = bitand(n10, n24);
n595 = bitand(n12, n24);
n608 = bitand(n14, n24);
n682 = bitand(n8, n306);
n698 = bitand(n10, n26);
n712 = bitand(n12, n26);
n728 = bitand(n14, n26);
n802 = bitand(n8, n28);
n816 = bitand(n10, n28);
n817 = bitand(n10, n28);
n832 = bitand(n12, n28);
n846 = bitand(n14, n28);
n854 = n595;
n891 = bitand(n4, n30);
n906 = bitand(n6, n30);
n920 = bitand(n8, n30);
n921 = bitand(n8, n30);
n934 = bitand(n10, n30);
n950 = bitand(n12, n30);
n965 = bitand(n14, n30);
n1054 = n120;
n1069 = bitand(n481, n682);
n1107 = n491;
n1142 = n157;
n1143 = n157;
n1172 = bitor(n460, n564);
n1186 = bitxor(n476, n580);
n1187 = bitand(n476, n580);
n1202 = bitxor(bitxor(n1107, n854), n698);
n1203 = bitor(bitor(bitand(n1107, n854), bitand(n854, n698)), bitand(n1107, n698));
n1216 = bitand(n608, n712);
n1232 = bitxor(n608, n712);
n1307 = bitor(n157, n1054);
n1334 = bitxor(bitxor(n817, n1069), n1172);
n1335 = bitor(bitor(bitand(n817, n1069), bitand(n1069, n1172)), bitand(n817, n1172));
n1350 = bitxor(bitxor(n891, n420), n1186);
n1351 = bitor(bitor(bitand(n891, n420), bitand(n420, n1186)), bitand(n891, n1186));
n1424 = bitxor(bitxor(n1187, n802), n906);
n1425 = bitor(bitor(bitand(n1187, n802), bitand(n802, n906)), bitand(n1187, n906));
n1438 = bitxor(bitxor(n1203, n816), n920);
n1439 = bitor(bitor(bitand(n1203, n816), bitand(n816, n920)), bitand(n1203, n920));
n1454 = bitxor(bitxor(n1216, n832), n934);
n1455 = bitor(bitor(bitand(n1216, n832), bitand(n832, n934)), bitand(n1216, n934));
n1468 = bitand(n261, n482);
n1482 = bitxor(n846, n950);
n1483 = bitand(n846, n950);
n1572 = n1334;
n1586 = bitxor(n1350, n1335);
n1587 = bitand(n1350, n1335);
n1602 = bitxor(bitxor(n1202, n1216), n1424);
n1603 = bitor(bitor(bitand(n1202, n1216), bitand(n1216, n1424)), bitand(n1202, n1424));
n1616 = bitand(n1232, n1438);
n1632 = bitor(n1232, n1438);
n1646 = bitand(n728, n1454);
n1660 = bitxor(n728, n1454);
n1678 = n1483;
n1706 = bitxor(bitxor(n921, n68), n301);
n1712 = n921;
n1720 = bitor(bitand(n1307, n190), bitand(bitcmp(n1307), n1425));
n1721 = bitor(bitand(n1307, n190), bitand(bitcmp(n1307), n1425));
n1734 = bitor(n1572, n484);
n1750 = bitor(n1586, n532);
n1764 = bitxor(bitxor(n1602, n1587), n1351);
n1765 = bitor(bitor(bitand(n1602, n1587), bitand(n1587, n1351)), bitand(n1602, n1351));
n1780 = bitxor(bitxor(n1632, n1603), n1425);
n1781 = bitor(bitor(bitand(n1632, n1603), bitand(n1603, n1425)), bitand(n1632, n1425));
n1794 = bitxor(bitxor(n1660, n1616), n1439);
n1795 = bitor(bitor(bitand(n1660, n1616), bitand(n1616, n1439)), bitand(n1660, n1439));
n1808 = bitxor(bitxor(n1482, n1646), n1455);
n1809 = bitor(bitor(bitand(n1482, n1646), bitand(n1646, n1455)), bitand(n1482, n1455));
n1824 = bitand(n41, n1468);
n1838 = bitxor(n965, n1678);
n1869 = bitor(n1706, n1186);
n1882 = n1720;
n1898 = bitor(n1734, n258);
n1912 = n1750;
n1928 = n1764;
n1942 = bitxor(n1780, n1765);
n1943 = bitand(n1780, n1765);
n1956 = bitxor(bitxor(n1794, n1781), n1943);
n1957 = bitor(bitor(bitand(n1794, n1781), bitand(n1781, n1943)), bitand(n1794, n1943));
n1972 = bitxor(bitxor(n1808, n1795), n1957);
n1973 = bitor(bitor(bitand(n1808, n1795), bitand(n1795, n1957)), bitand(n1808, n1957));
n1986 = bitxor(bitxor(n1838, n1809), n1973);
n1987 = bitor(bitor(bitand(n1838, n1809), bitand(n1809, n1973)), bitand(n1838, n1973));
n2016 = bitor(n1824, n1987);
c = bitor(c, bitshift(bitand(n1721, 1), 0));
c = bitor(c, bitshift(bitand(n1142, 1), 1));
c = bitor(c, bitshift(bitand(n1603, 1), 2));
c = bitor(c, bitshift(bitand(n1712, 1), 3));
c = bitor(c, bitshift(bitand(n1869, 1), 4));
c = bitor(c, bitshift(bitand(n1882, 1), 5));
c = bitor(c, bitshift(bitand(n1143, 1), 6));
c = bitor(c, bitshift(bitand(n1882, 1), 7));
c = bitor(c, bitshift(bitand(n1898, 1), 8));
c = bitor(c, bitshift(bitand(n1912, 1), 9));
c = bitor(c, bitshift(bitand(n1928, 1), 10));
c = bitor(c, bitshift(bitand(n1942, 1), 11));
c = bitor(c, bitshift(bitand(n1956, 1), 12));
c = bitor(c, bitshift(bitand(n1972, 1), 13));
c = bitor(c, bitshift(bitand(n1986, 1), 14));
c = bitor(c, bitshift(bitand(n2016, 1), 15));
end