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Old 04-16-07, 07:51 AM   #6
chunkey
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Join Date: Oct 2004
Posts: 662
Default Re: Nvidia Linux Driver + 8800GTX + 4gigs of ram = No write combining

Quote:
Originally Posted by Nephyrin
Updates:
Code:
67222 frames in 5.0 seconds = 13444.333 FPS
86102 frames in 5.0 seconds = 17220.393 FPS
88821 frames in 5.0 seconds = 17764.037 FPS
88737 frames in 5.0 seconds = 17747.383 FPS
88687 frames in 5.0 seconds = 17737.396 FPS
My video card has 768megs vram, why does lspci -v only show 256?
It seems like a deeper issue than just the MTRR table really. Any insight/suggestions/ideas would be appriciated.
the NVIDIA driver will loudly complain if it can't use PAT..
e.g it puts a message in /proc/driver/nvidia/warnings/
(But I have no idea, why it's only 256Mb... Bios screwup???
And I don't think that 8800 GTX has TURBOCACHE )

the glxgears numbers are ok and glxinfo looks good too!
(if you can get a decent fps in doom3/ut2004/quake4
(check the demos), then write combining is ON!)

What if you:
- disable antialiased fonts
- use a simple theme
- kill compiz/beryl?
chunkey is offline   Reply With Quote