OnJava8-Examples/arrays/BadMicroBenchmark2.java
2016-07-22 14:45:35 -06:00

23 lines
666 B
Java

// arrays/BadMicroBenchmark2.java
// (c)2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
// Reversing the test order
import java.util.*;
import static onjava.TimeIt.*;
public class BadMicroBenchmark2 {
static final int SIZE = 20_000_000;
public static void main(String[] args) {
long[] la = new long[SIZE];
System.out.print("parallelSetAll: ");
timeIt(() -> Arrays.parallelSetAll(la, n -> n));
System.out.print("setAll: ");
timeIt(() -> Arrays.setAll(la, n -> n));
}
}
/* Output:
parallelSetAll: 83
setAll: 159
*/