[Jmatlink-commitlog] jmatlink/src/jmatlink/testsuite Benchmark02.java,NONE,1.1

[Stefan M. <st_...@us...>]

Update of /cvsroot/jmatlink/jmatlink/src/jmatlink/testsuite
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv18417/src/jmatlink/testsuite

Added Files:
	Benchmark02.java 
Log Message:
new benchmark for sending data to and receiving from matlab

--- NEW FILE: Benchmark02.java ---

package jmatlink.testsuite;

import jmatlink.*;

/*
 * This is a benchmark suite to test the power and speed of JMatLink 
 *
 */
public class Benchmark02 {
    
 public static void main(String[] args) {

  JMatLink eng = new JMatLink();
  double[][] array;
  double[] row;
  double[] column;
  double     d;

  // Set debug level to display useful messages
  //eng.setDebug(true);

  System.out.println("***********************************************");
  System.out.println("**         Benchmark Tests                   **");
  System.out.println("**                                           **");
  System.out.println("** If program crashes please send the output **");
  System.out.println("**   to st...@he...               **");


  System.out.println("\n\n** engGetRowVector speed **");
  eng.engOpen();
  eng.engEvalString("row=rand(1,50000)");
  eng.engEvalString("tic");
  for (int i=1; i<=100; i++)
  {
    row=eng.engGetRowVector("row");
  }
  eng.engEvalString("duration=toc;");
  System.out.println("** Duration engGetRowVector = "+
                      eng.engGetScalar("duration")   +" s");
  System.out.println("** Data rate                = "+
                      (50000*4*100)/eng.engGetScalar("duration")/1024 +
                     " kB/s");                     
  eng.engClose();

  
  try { Thread.sleep(1000); }
  catch (InterruptedException e) {};

  
  System.out.println("\n\n** engGetColumnVector speed **");
  eng.engOpen();
  eng.engEvalString("column=rand(50000,1)");
  eng.engEvalString("tic");
  for (int i=1; i<=100; i++)
  {
      column=eng.engGetColumnVector("column");
  }
  eng.engEvalString("duration=toc;");
  System.out.println("** Duration engGetColumnVector = "+
                      eng.engGetScalar("duration")   +" s");
  System.out.println("** Data rate                = "+
                      (50000*4*100)/eng.engGetScalar("duration")/1024 +
                     " kB/s");                     
  eng.engClose();

  
  try { Thread.sleep(1000); }
  catch (InterruptedException e) {};

  
  System.out.println("\n\n** engPutArray and engGetArray speed **");
  eng.engOpen();
  eng.engEvalString("array=randn(500)");
  eng.engEvalString("tic");
  for (int i=1; i<=10; i++)
  {
    array=eng.engGetArray("array");
    eng.engEvalString("clear array");
    eng.engPutArray("array",array);
  }
  eng.engEvalString("duration=toc;");
  System.out.println("** Duration engPut/GetArray = "+
                      eng.engGetScalar("duration")   +" s");
  System.out.println("** Data rate                = "+
                      (500*500*4*2*10)/eng.engGetScalar("duration")/1024 +
                     " kB/s");                     
  eng.engClose();

  try { Thread.sleep(1000); }
  catch (InterruptedException e) {};

  System.out.println("\n** engGetScalar and engPutArray speed **");
  System.out.println("** Send and receive 10000 scalar values ");
  System.out.println("**  to/from matlab.");
  eng.engOpen();
  eng.engPutArray("array",0);
  eng.engEvalString("tic");
  for (int i=1; i<=10000; i++)
  {
    eng.engPutArray("array",i);
    d     = eng.engGetScalar("array");
  }
  eng.engEvalString("duration=toc;");
  System.out.println("** Duration engPutArray/engGetScalar = "+
                      eng.engGetScalar("duration")   +" s");
  System.out.println("** Data rate                = "+
                      (4*2*10000)/eng.engGetScalar("duration")/1024 +
                     " kB/s");                     
  System.out.println("\n\n");
  eng.engClose();



    try { Thread.sleep(1000); }
    catch (InterruptedException e) {};



  System.exit(0);
}
}