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annotate Looping.M @ 0:2216535ade9c

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メンバー関数/メソッド呼び出しのベンチマーク。
author "uncorrelated zombie" <uncorrelated@yahoo.co.jp>
date Tue, 15 Feb 2011 13:47:19 +0900
parents
children
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2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
1 #import <stdio.h>
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
2 #import <objc/Object.h>
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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3 #import <limits.h>
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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4 #import <sys/time.h>
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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5
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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6 @interface Looping : Object {
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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7 int n0;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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8 }
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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9 - (id)init;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
10 - (int)calc:(int)n;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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11 @end
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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12
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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13 @implementation Looping
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
14 - (id)init{
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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15 [super init];
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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16 n0 = 0;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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17 return self;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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18 }
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
19 - (int)calc:(int)n {
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
20 int n1 = n0 + (1 - 2*(n%2));
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
21 n0 = n;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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22 return n1;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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23 }
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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24 @end
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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25
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
26 double gettimeofday_sec()
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
27 {
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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28 struct timeval tv;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
29 gettimeofday(&tv, NULL);
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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30 return tv.tv_sec + (double)tv.tv_usec*1e-6;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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31 }
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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32
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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33 int main(){
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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34 id o = [[Looping alloc] init];
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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35 unsigned c;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
36 int n = 1;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
37 double t1, t2;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
38 t1 = gettimeofday_sec();
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
39 for(c=0;c<INT_MAX;c++){
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
40 n = [o calc:n];
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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41 }
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
42 t2 = gettimeofday_sec();
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
diff changeset
43 printf("%d\nObjective-C\t%f\n", n, t2 - t1);
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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44 return 0;
2216535ade9c メンバー関数/メソッド呼び出しのベンチマーク。
"uncorrelated zombie" <uncorrelated@yahoo.co.jp>
parents:
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45 }