Re: Performer performance problem w IRIX 6.5.2 at O2 R5k

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Angus Dorbie (dorbie++at++sgi.com)
Thu, 21 Jan 1999 13:33:18 -0800

I've seen this when I had a lot of fp exceptions in a distortion
correction solution. I fixed the math and it eliminated the problem.
Check your code for floating point exceptions.

Cheers,Angus.

leif.stubbfalt++at++enator.se wrote:
>
> Hi,
> We are experiencing performance problems with Performer at platform
> O2 R5k / IRIX 6.5.2. Our application is now running super slowly !
>
> It seems to be a lot of kernel mode execution going on.
>
> If any of You pfPeople have access to a similar platform, please try to
> run perfly. If You run the program without any model loaded, then the
> frequency is only 24 Hz ! The "draw" time is 10 ms with GUI panel and
> 17 ms without a panel !! The CPU is consuming 45 % in user mode and
> also 40 % in kernel mode !!!
>
> If someone has a comment | solution | workaround to this, please mail
> it.
>
> Thank You !
> Leif
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-- 
"Only the mediocre are always at their best." -- Jean Giraudoux


For advanced 3D graphics Performer + OpenGL based examples and tutors:
http://www.dorbie.com/

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