Java-Gaming.org Hi !
Featured games (81)
games approved by the League of Dukes
Games in Showcase (513)
Games in Android Showcase (119)
games submitted by our members
Games in WIP (577)
games currently in development
News: Read the Java Gaming Resources, or peek at the official Java tutorials
 
    Home     Help   Search   Login   Register   
  JavaGaming.org - Pastebin



Author: theagentd (posted 2014-04-30 01:39:35, viewed 85 times)

1   2   3   4   5   6   7   8   9   10   11   12   13   14   15   16   17   18   19   20   21   22   23   24   25   26   27   28   29   30   31   32   33   34   35   36   37   38   39   40   41   42   43   44   45   46   47   48   49   50   51   52   53   54   55   56   57   58   59   60   61   62   63   64   65   66   67   68   69   70   71   72   73   74   75   76   77   78   79   80   81   82   83   84   85   86   87   88   89   90   91   92   93   94   95   96   97   98   99   100   101   102   103   104   105   106   107   108   109   110   111   112   113  
package drone.test;

import java.util.Arrays;
import java.util.Random;

import net.mokyu.threading.MultithreadedExecutor;
import drone.util.sort.InsertionSort;
import drone.util.sort.ParallelInsertionSort;
import engine.etc.SimpleComparator;

public class SortTest {
   
   private static final int numElements = 1_000_000;
   private static final int numThreads = 8;
   private static final int numChunks = 32;
   private static final int shuffleDisplacement = 50;
   
   public static void main(String[] args) {
      
      MultithreadedExecutor executor = new MultithreadedExecutor(numThreads);
      ParallelInsertionSort<Integer> parallelInsertionSort = new ParallelInsertionSort<>(numChunks);
      
      Integer[] array1 = new Integer[numElements];
      Integer[] array2 = new Integer[numElements];
      Integer[] array3 = new Integer[numElements];
      Integer[] array4 = new Integer[numElements];
      
      SimpleComparator<Integer> comparator = new SimpleComparator<Integer>() {
         public int compare(Integer i1, Integer i2) {
            return Integer.compare(i1, i2);
         }
      };

      System.out.println("Generating values...");
      Random r = new Random();
      for(int i = 0; i < numElements; i++){
         int value = r.nextInt();
         array1[i] = value;
         array2[i] = value;
         array3[i] = value;
         array4[i] = value;
      }
      Arrays.sort(array1, 0, numElements, comparator);
      Arrays.sort(array2, 0, numElements, comparator);
      Arrays.sort(array3, 0, numElements, comparator);
      Arrays.sort(array4, 0, numElements, comparator);
      
      System.out.println("Done.");
      
      while(true){

         shuffle(array1);
         shuffle(array2);
         shuffle(array3);
         shuffle(array4);
         
         long startTime;
         
         
         startTime = System.nanoTime();
         Arrays.sort(array1, 0, numElements, comparator);
         System.out.println("Java sort unsorted: " + (System.nanoTime() - startTime) / 1000 / 1000f + " ms");

         startTime = System.nanoTime();
         Arrays.sort(array1, 0, numElements, comparator);
         System.out.println("Java sort sorted:   " + (System.nanoTime() - startTime) / 1000 / 1000f + " ms");
         
         
         startTime = System.nanoTime();
         Arrays.parallelSort(array2, 0, numElements, comparator);
         System.out.println("Java parallel sort unsorted: " + (System.nanoTime() - startTime) / 1000 / 1000f + " ms");

         startTime = System.nanoTime();
         Arrays.parallelSort(array2, 0, numElements, comparator);
         System.out.println("Java parallel sort sorted:   " + (System.nanoTime() - startTime) / 1000 / 1000f + " ms");
         
         startTime = System.nanoTime();
         InsertionSort.sort(array3, 0, numElements, comparator);
         System.out.println("Insertion sort unsorted: " + (System.nanoTime() - startTime) / 1000 / 1000f + " ms");

         startTime = System.nanoTime();
         InsertionSort.sort(array3, 0, numElements, comparator);
         System.out.println("Insertion sort sorted:   " + (System.nanoTime() - startTime) / 1000 / 1000f + " ms");
         
         
         startTime = System.nanoTime();
         parallelInsertionSort.sort(array4, 0, numElements, comparator, executor);
         System.out.println("Parallel insertion sort unsorted: " + (System.nanoTime() - startTime) / 1000 / 1000f + " ms");

         startTime = System.nanoTime();
         parallelInsertionSort.sort(array4, 0, numElements, comparator, executor);
         System.out.println("Parallel insertion sort sorted:   " + (System.nanoTime() - startTime) / 1000 / 1000f + " ms");
         
         
         System.out.println("First elements: " + array1[0] + ", " + array2[0] + ", " + array3[0] + ", " + array4[0] + '\n');
      
      }
      
   }
   
   private static void shuffle(Object[] ar){
      Random rnd = new Random();
      
      for(int i = shuffleDisplacement; i < ar.length; i++){
         
         int index = i - rnd.nextInt(shuffleDisplacement);
         
         Object a = ar[index];
         ar[index] = ar[i];
         ar[i] = a;
      }
   }
}





Dump your java code here :



Special syntax:
  • To highlight a line (yellow background), prefix it with '@@'
  • To indicate that a line should be removed (red background), prefix it with '-'
  • To indicate that a line should be added (green background), prefix it with '+'
  • To post multiple snippets, seperate them by '~~~~'
  EOF
 

Add your game by posting it in the WIP section,
or publish it in Showcase.

The first screenshot will be displayed as a thumbnail.

Longarmx (49 views)
2014-10-17 03:59:02

Norakomi (38 views)
2014-10-16 15:22:06

Norakomi (31 views)
2014-10-16 15:20:20

lcass (34 views)
2014-10-15 16:18:58

TehJavaDev (65 views)
2014-10-14 00:39:48

TehJavaDev (65 views)
2014-10-14 00:35:47

TehJavaDev (54 views)
2014-10-14 00:32:37

BurntPizza (72 views)
2014-10-11 23:24:42

BurntPizza (43 views)
2014-10-11 23:10:45

BurntPizza (84 views)
2014-10-11 22:30:10
Understanding relations between setOrigin, setScale and setPosition in libGdx
by mbabuskov
2014-10-09 22:35:00

Definite guide to supporting multiple device resolutions on Android (2014)
by mbabuskov
2014-10-02 22:36:02

List of Learning Resources
by Longor1996
2014-08-16 10:40:00

List of Learning Resources
by SilverTiger
2014-08-05 19:33:27

Resources for WIP games
by CogWheelz
2014-08-01 16:20:17

Resources for WIP games
by CogWheelz
2014-08-01 16:19:50

List of Learning Resources
by SilverTiger
2014-07-31 16:29:50

List of Learning Resources
by SilverTiger
2014-07-31 16:26:06
java-gaming.org is not responsible for the content posted by its members, including references to external websites, and other references that may or may not have a relation with our primarily gaming and game production oriented community. inquiries and complaints can be sent via email to the info‑account of the company managing the website of java‑gaming.org
Powered by MySQL Powered by PHP Powered by SMF 1.1.18 | SMF © 2013, Simple Machines | Managed by Enhanced Four Valid XHTML 1.0! Valid CSS!