Mercurial > op > Looping

annotate Looping-IMP.M @ 4:d788c88f41bd >>178

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Rubyのベンチマークを追加。ソースコードは2ch.netの>>178からコピー。
author "uncorrelated zombie" <uncorrelated@yahoo.co.jp>
date Thu, 17 Feb 2011 09:01:50 +0900
parents 9d6fb29e41ce
children
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1
9d6fb29e41ce Objective-C IMPのベンチマークが抜けていたため、追加。
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1 #import <stdio.h>
9d6fb29e41ce Objective-C IMPのベンチマークが抜けていたため、追加。
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2 #import <objc/Object.h>
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3 #import <limits.h>
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4 #import <sys/time.h>
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5
9d6fb29e41ce Objective-C IMPのベンチマークが抜けていたため、追加。
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6 @interface Looping : Object {
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7 int n0;
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8 }
9d6fb29e41ce Objective-C IMPのベンチマークが抜けていたため、追加。
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9 - (id)init;
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10 - (int)calc:(int)n;
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11 @end
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12
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13 @implementation Looping
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14 - (id)init{
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15 [super init];
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16 n0 = 0;
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17 return self;
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18 }
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19 - (int)calc:(int)n {
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20 int n1 = n0 + (1 - 2*(n%2));
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21 n0 = n;
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22 return n1;
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23 }
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24 @end
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25
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26 double gettimeofday_sec()
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27 {
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28 struct timeval tv;
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29 gettimeofday(&tv, NULL);
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30 return tv.tv_sec + (double)tv.tv_usec*1e-6;
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31 }
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32
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33 int main(){
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34 id o = [[Looping alloc] init];
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35 int (*calc)(id,SEL,int);
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36 SEL selector = @selector(calc:);
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37 /* calc = (int (*)(id,SEL,int))objc_msg_lookup(o, selector); */
9d6fb29e41ce Objective-C IMPのベンチマークが抜けていたため、追加。
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38 calc = (int (*)(id,SEL,int))[Looping instanceMethodFor:selector];
9d6fb29e41ce Objective-C IMPのベンチマークが抜けていたため、追加。
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39 unsigned c;
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40 int n = 1;
9d6fb29e41ce Objective-C IMPのベンチマークが抜けていたため、追加。
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41 double t1, t2;
9d6fb29e41ce Objective-C IMPのベンチマークが抜けていたため、追加。
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42 t1 = gettimeofday_sec();
9d6fb29e41ce Objective-C IMPのベンチマークが抜けていたため、追加。
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43 for(c=0;c<INT_MAX;c++){
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44 n = calc(o, selector, n);
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45 }
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46 t2 = gettimeofday_sec();
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47 printf("%d\nObjective-C\t%f\n", n, t2 - t1);
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48 return 0;
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49 }