On Sun, 8 Feb 2004, Ernie Schroder wrote:

> Hmmm, I hadn't thought to check the AGP status. I found that forcing 
> NvAGP with:
> 
> Option      "NvAGP" "1"
> 
> results in:
> 
> $ cat /proc/driver/nvidia/agp/status
> Status:          Disabled

Well I did some benchmakrs and found that glxgears is not a good 
benchmarking option, it probably doesnt use AGP that much, thats why you 
get the same results even when agp is turned off.

However if you take a game like NeverWiner nights which uses a lot of 
textures, then on my amd 3000xp ti4200, the opening prelude gives

1. AGP off = ~42 fps
2. NVIDIA AGP = ~80-85 fps
3. AGPGART = ~80-85 fps

glxgears is giving me 3446 fps on all agp settings.

> Any ideas?

To try out nvagp you have to start x without the agpgart and the 
nvidia_modules loaded, if they are loaded then the nvidia driver cant use 
NVAGP. Thats why it was failed to use NVAGP when you specified it in XF86 
file, the agpgart was already loaded.


Bye,
Grendel
 

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