morejavatest

Speed.java

import java.util.concurrent.TimeUnit;
import java.util.Arrays;
import java.util.Random;
import java.lang.*;


public class Speed {
    
    public static void main(String[] args) {
                                            
        double[] values = new double[1000000];
        Random r = new Random();
        double result;
        long start;
        long end;
        while (true)
        {
            for (int i = 0; i < values.length;i++)
            {
                values[i] =  r.nextDouble();
            }

            //check for dead entities
            start = System.nanoTime();
            result = Arrays.stream(values).parallel().reduce(0,(acc,x) -> x*x);
            end = System.nanoTime();
            double time = (end-start) / 1000000.0;

            System.out.println("Time:" + time + " Result:"+result);;
            
          
        } 
    }
}