Re: Challange XL vs. Origin 2000 vs. Onyx2 IR

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Angus Dorbie (dorbie++at++sgi.com)
Thu, 07 Jan 1999 15:07:50 -0800

3 is your only option, none of the others have graphics which I assume
you need since you're using Performer. The Challenge XL will only
support graphics if it's an upgraded GR and you'd want to check what
that graphics system is if it has one. It could be Reality Engine 2 or
Infinite Reality. This would have less bandwidth from host to GFX than
on ONYX2 but otherwise the GFX system is largely the same as iR(1) on
ONYX2 the bandwidth does make a big difference.

Option 3 is probably best anyway unless your main priority is compute
intensive numeric simulation.

Cheers,Angus.

John F. Richardson wrote:
>
> Hello,
>
> If a flight simulator using Performer 2.2 running on the ONYX 2 IR2 single
> CPU was to be ported to the following systems and made into a
> multiprocessing application, which do you think would be the best choice?
>
> 1) Origin 2000 with 64 CPU's or 128 CPU's
> 2) Power Challenge XL with 16 CPU's
> 3) ONYX 2 Infinite Reality 2 with 8 CPU's
>
> John F. Richardson
>
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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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