OnJava8-Examples/validating/jmh/ParallelSetAllBetter.java
2016-09-23 13:23:35 -06:00

28 lines
663 B
Java

// validating/jmh/ParallelSetAllBetter.java
// (c)2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
package validating.jmh;
import java.util.*;
import org.openjdk.jmh.annotations.*;
@State(Scope.Thread)
public class ParallelSetAllBetter {
private long[] la;
@Param({"1", "100", "10000", "1000000", "20000000"})
int count;
@Setup
public void setup() {
la = new long[count];
}
@Benchmark
public void setAll() {
Arrays.setAll(la, n -> n);
}
@Benchmark
public void parallelSetAll() {
Arrays.parallelSetAll(la, n -> n);
}
}