stuart wrote:

>Thanks for the prompt reply Justin.
>
>Information regarding the use of dual processor systems was based on my own
>knowledge and reviews of AMDs MP chips including that at
>http://www.tech-report.com/reviews/2001q4/athlonmp-1900/index.x?pg=1.  It
>was after reading the recent posts regarding hardware issues that I
>investigated the dual-processor/SCSI issue.  Although I am not disagreeing
>with your view about dual-processor systems taking advantage of
>multi-threading, my point was that for most of the time there will not be
>optimised compatible threads multitasking simultaneously - lessening the
>benefits of the dual-processor mainboard.
>
My experience with Java3D and multiprocessors has been good.  Even
running NT I was seeing a good improvement from a single processor to a
multiple processor machine running the same clock speeds...  wish I
still had my performance numbers handy but I think it was 40-50%
improvement.

Alot will depend on what else you are doing in the Java3D system.  In
the archives are details about the multi-threaded nature of Java3D.
 Depending on your use of sound, behaviors, collision detection you will
see different responses to multiprocessor use.  I think two processors
will always be helpful, I think it maxed out at about 4...  which is the
most you could really use with most X86 architectures any way.


--
Alan Hudson
President: Yumetech, Inc.                      http://www.yumetech.com/
Web3D Open Source Chair        http://www.web3d.org/TaskGroups/source/

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