On 2012-05-03 17:31, Chris Cain wrote:
You might want to post your code...
Sure!
D:
---
import std.random;
import std.stdio;
void main() {
auto iterations = 10000000;
int[] a;
for (int i = 0; i < 42; ++i)
a ~= i;
for (int i = 0; i < iterations; ++i)
randomShuffle(a);
}
naushika:~/projects> dmd random.d && time ./random
./random 38,35s user 0,05s system 99% cpu 38,420 total
---
Java (7):
---
import java.util.ArrayList;
import java.util.Collections;
public class Rnd {
public static void main(String... args) {
int iterations = 10000000;
ArrayList<Integer> a = new ArrayList<Integer>();
for (int i = 0; i < 42; ++i)
a.add(i);
for (int i = 0; i < iterations; ++i)
Collections.shuffle(a);
}
}
naushika:~/projects> javac Rnd.java && time java Rnd
java Rnd 9,92s user 0,03s system 100% cpu 9,922 total
---
