Re: Performance degrade if geometry is drawn by multiple pipes

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Angus Dorbie (dorbie++at++sgi.com)
Wed, 05 Aug 1998 11:11:01 -0700

Daniela Rainer (RUS) wrote:
>
> Hi,
>
> on our Onyx2 (IRIX 6.4, Performer 2.2, 14 CPU's, 3 Pipes, triple keyboard) we
> have an application that opens 4 windows on 2 pipes (it's a CAVE like system).
> As soon as the geometry objects cover 2 windows that belong to different pipes,
> the frame rate goes down. If the application is configured for 3 window on 3
> pipes (uses only 3 walls of the CAVE) then the performance is even worse, as
> soon as the geometry covers all three windows.
>
> Can anybody explain this behavior ?

Are you forking multiple draw processes?
Sounds like you are single threaded.

Cheers,Angus.

-- 
"Only the mediocre are always at their best." -- Jean Giraudoux 


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