J2SDK Hot Spot Not So Hot!

[Steven Punte <st...@excite.com>]

Robin:

    Please elaborate!  All my reading to date, like the
    paragraph attached below, suggest that "-server" should 
    offer better performance for this type of application.  

    What/where is the concept that this is otherwise
    that you are referring to?  

    I believe you; the data supports this; but I'm
    just trying to figure it all out.

        Steve Punte
        stevep@candlelightsoftware.com


>  Steven Punte <st...@excite.com> wrote:
>  >   Has anyone else tried the "-server" run-time
>  >   option that J2sdk offfers?
>  >
>  >   I see about a 50% increase (YES, the bad direction)
>  >   of cocoon page execution time.
>  
>  You do know that this is SUPPOSED to happen, right? See the Hotspot docs
at 
>  java.sun.com for explanation.

FROM HOT SPOT FAQ

What's the difference between the -client and -server systems? 

These two systems are different binaries. They are essentially two different
compilers (JITs) interfacing to the same runtime system. The client system
is optimal for applications which need fast startup times or small
footprints, the server system is optimial for applications where the
performance is most important. In general the client system is better on
GUIs. Some of the other differences include the compilation policy used,
heap defaults, and inlining policy.






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