Re: [SUBMIT] Some experiment to make reflection faster

sorry, this experiment shows nothing, performance is almost the same on 1.4.

----- Original Message -----
From: "Juozas Baliuka" <[email protected]>
To: "BCEL Developers List" <[email protected]>
Sent: Sunday, May 26, 2002 4:19 PM
Subject: [SUBMIT] Some experiment to make reflection faster


> It can be used to implements "fast" reflection,
> this class implements  only "newInstance" at this time.
> Usage :
>
>
> System.out.println( "java version:" +
> System.getProperty("java.specification.version"));
>
>
>       Reflect reflect = Reflect.getReflect(java.util.Vector.class);
>       long time = System.currentTimeMillis();
>
>        for( int i=0; i< 1000000; i++ ){
>          Object tmp = (java.util.Vector)reflect.newInstance();
>        }
>
>       long br = System.currentTimeMillis() - time;
>
>       System.out.println("BCEL REFLECT : " + br + " ms.");
>
>
>        time = System.currentTimeMillis();
>
>       for( int i=0; i< 1000000; i++ ){
>          Object tmp =
> (java.util.Vector)java.util.Vector.class.newInstance();
>       }
>
>       long jr =  System.currentTimeMillis() - time;
>
>       System.out.println("JAVA REFLECT : " + jr + " ms.");
>
>       System.out.println( Math.round(( 1 - br/(double)jr )*100) + " %" );
>
>     }
>
> Output ( SUN's JVM 1.4 for windows) :
>
> java version:1.4
> BCEL REFLECT : 281 ms.
> JAVA REFLECT : 406 ms.
> 31 %
>
> Diference is more significant on 1.3
>
>
>
>
>


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