Re: Performance mystery

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From: Lawrence Bertoldi (lberto++at++sgi.com)
Date: 03/16/2001 06:15:16


So what's all of the stuff you commented out?
What do the fill stats look like for the 2 programs?

DANIEL BASS wrote:

> I have two programs, a prototype and my baseline system. I noticed that I didn't seem to be getting the
> performance I expected from the full system, so I've variously disconnected/commented out, etc pretty
> much everything outside of drawing the background scene. It is functionally equivalent to the prototype.
> I cannot see any differences in setting up the window, channel, load the data files, set up geometry, etc.
> Nevertheless, the prototype draws frames in 10ms, the system in 68ms. Several tests show me the time
> is in the draw phase, not in any app phase stuff. Using FrameStats, Performer says it is drawing identical
> numbers of polygons, textures, etc. the statistics are identical, except the the draw phase is 10ms in one
> and 68ms in the other. I am baffled.
>
> Any clues on what could cause such a disparity, and how I can track this down would be appreciated.
>
> I am running RH 6.2, Nvidia Ultra 64mb, 0.96 nv drivers, Performer 2.4
>
> --daniel
>
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--
See Ya,

Lawrence Eugene Bertoldi Technical Consultant vnet 238-8949 Silicon Graphics phone 301-572-8949 Silver Spring MD. email lberto++at++clubfed.sgi.com

~;-}>


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