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Benchmark start-up and system performance for .Net, Mono, Java, C++ and their respective UI

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2 Sep 2010CPOL19 min read 158.9K   1.3K   67  
What is the start-up and system performance overhead for .Net, Mono, Java versus C++ and Forms, WPF, Swing versus MFC
package JavaPerf;

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
//use Jna to get OnIdle: http://ochafik.free.fr/blog/?p=98
public class SwingTest extends JFrame //implements WindowListener//, WindowFocusListener
{
	static int result = 0;
	JLabel textLabel;
	String[] args;
	SwingTest(String[] args)
	{
		this.args = args;
	}

	public static void main(String[] args)
	{
		try
		{
			//Create and set up the window.        
			SwingTest frame = new SwingTest(args);
			frame.setTitle("Simple GUI");
			//frame.addWindowListener(frame);
			frame.enableEvents(AWTEvent.WINDOW_EVENT_MASK | AWTEvent.FOCUS_EVENT_MASK);
			//frame.addWindowFocusListener(frame);
			frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
			frame.setResizable(true);
			frame.textLabel = new JLabel("Java Swing UI Test", SwingConstants.CENTER);
			frame.textLabel.setAutoscrolls(true);
			frame.textLabel.setPreferredSize(new Dimension(300, 100));
			frame.getContentPane().add(frame.textLabel, BorderLayout.CENTER);
			//Display the window.        
			frame.setLocation(100, 100);// setLocationRelativeTo(null);  

			frame.pack();
			frame.setVisible(true);
		}
		catch (Exception ex)
		{ System.exit(-1); }
	}
	/*
	public void windowClosed(WindowEvent e)
	{
		//This will only be seen on standard output.
		displayMessage(" windowClosed.");
		//System.exit(0);
	}

	public void windowOpened(WindowEvent e)
	{
		displayMessage(" windowOpened.");
	}

	public void windowIconified(WindowEvent e)
	{
		displayMessage(" windowIconified.");
	}

	public void windowDeiconified(WindowEvent e)
	{
		displayMessage(" windowDeiconified.");
	}

	public void windowActivated(WindowEvent e)
	{
		displayMessage(" windowActivated.");
	}

	public void windowDeactivated(WindowEvent e)
	{
		displayMessage(" windowDeactivated.");
	}

	public void windowClosing(WindowEvent e)
	{
		displayMessage(" windowClosing.");
	}

	public void windowGainedFocus(WindowEvent e)
	{
		displayMessage(" windowGainedFocus.");
	}

	public void windowLostFocus(WindowEvent e)
	{
		displayMessage(" windowLostFocus.");
	}
	
	private void displayMessage(String str)
	{
		textLabel.setText(textLabel.getText() + " " + str);
	}
	*/
	protected void processWindowEvent(WindowEvent e)
	{
		super.processWindowEvent(e);
		switch (e.getID())
		{
			case WindowEvent.WINDOW_OPENED:
				long mainEntryTime = System.currentTimeMillis();//miliseconds since since 1970/1/1
				if (args.length == 0)
				{
					try
					{
						System.gc();
						System.runFinalization();
						Thread.sleep(2000);
					}
					catch (Exception ex)
					{
						ex.printStackTrace();
					}
				}
				else
				{
					//FileTimeUtc adjusted for java epoch
					long fileTimeUtc = Long.parseLong(args[0]);//100 nanoseconds units since 1601/1/1
					long launchTime = fileTimeUtc - 116444736000000000L;//100 nanoseconds units since 1970/1/1
					launchTime /= 10000;//miliseconds since since 1970/1/1
					result = (int)(mainEntryTime - launchTime);
					//displayMessage("startup time " + result + " ms");
				}
				//displayMessage(" WINDOW_OPENED");
				break;
			case WindowEvent.WINDOW_CLOSED:
				System.exit(result);
				break;		
				/*		
			case WindowEvent.WINDOW_CLOSING:
				displayMessage(" WINDOW_CLOSING");
				break;
			case WindowEvent.WINDOW_ACTIVATED:
				displayMessage(" WINDOW_ACTIVATED");
				break;				
			case WindowEvent.WINDOW_LAST:
				displayMessage(" WINDOW_LAST");
				break;
			default:
			break;
			*/
		}
	}

}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Software Developer (Senior)
United States United States
Decebal Mihailescu is a software engineer with interest in .Net, C# and C++.

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