Performance balancing

Tips on how to tweak Nexuiz for the best performance

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Performance balancing

Postby Qantourisc » Fri Jun 16, 2006 6:16 pm

I've been trying to find some settings that maintain my FPS at my vsync (75FPS) but each time i try to enable another feature my fps drops under the 75 fps ... any advise on how to find better settings that don't cause my fps to drop under 75 ? (currently have parcticles, enableing bloom or dlights drop my fps (using Fullscreen AntiAliasing (2X) at 1280x1024 )
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Postby tChr » Fri Jun 16, 2006 6:50 pm

It would helå to know what hardware you are using :)
the spice extend life!
the spice expand conciousness!
the spice is vital to space travel!
sooooo.. tell me what you want, waht you really-really want
I will proceed directly to the intravenous injection of hard drugs, please.
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Postby Qantourisc » Fri Jun 16, 2006 7:03 pm

05:00.0 VGA compatible controller: nVidia Corporation NV43 [GeForce 6600 GT] (rev a2) 128 MB PCI express 16X

1024*1280*32 (2 AA) using 2.0 Shaders
AMD Athlon(tm) 64 Processor 2800+ 512KB cahce (in 64bit mode)
512 MB ram

Anything else you need to know ?
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Postby esteel » Fri Jun 16, 2006 7:07 pm

As you are using vsync, do you also have tripple buffering activated in your drivers options?? I have about the same setup and i just use exec low.cfg;vid_restart in the console. But that one does disable almost everything so i'm not sure if you want to do this too :)
But i also do not use FSAA as Nexuiz is too fast to notice that effect..
Last edited by esteel on Thu Aug 31, 2006 8:34 pm, edited 1 time in total.
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Postby Qantourisc » Fri Jun 16, 2006 7:20 pm

Where do i enable tripple buffering ? (in case it's not on) in linux please ? And no my fps are fine ... I just seek what I can enable more without dropping my fps under the 75 ..
About the FSAA, that's an idea let me try...
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Postby KadaverJack » Fri Jun 16, 2006 7:30 pm

Qantourisc wrote:Where do i enable tripple buffering ? (in case it's not on) in linux please ?

Nvidia README Appendix D wrote:Option "TripleBuffer" "boolean"

Enable or disable the use of triple buffering. If this option is enabled, OpenGL windows that sync to vblank and are double-buffered will be given a third buffer. This decreases the time an application stalls while waiting for vblank events, but increases latency slightly (delay between user input and displayed result).

See here
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Postby Qantourisc » Fri Jun 16, 2006 7:41 pm

Thank you plenty.
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Postby Qantourisc » Sat Jun 17, 2006 2:44 pm

Is there any way to speed up realtime dynamic shadows please ? I can run it, but my fps drop to 50 then from time to time ...
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Postby Qantourisc » Sat Jun 17, 2006 4:39 pm

Another question along these lines: Bumpmapping seems to aprear when you enable OpenGL 2.0, is there a way to turn this of , or is the bumpmap shader comes at zero fps cost ?
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Postby esteel » Sun Jun 18, 2006 12:10 am

Qantourisc wrote:Is there any way to speed up realtime dynamic shadows please ? I can run it, but my fps drop to 50 then from time to time ...

Well the reason for this is that realtime shadows are a very advanced feature.. At least i do not know a trick to make them faster. However there are realtime world lights and shadows and effect realtime lights and shadows. I have not yet tested if only one of them are much faster then both..

Qantourisc wrote:Another question along these lines: Bumpmapping seems to aprear when you enable OpenGL 2.0, is there a way to turn this of , or is the bumpmap shader comes at zero fps cost ?

Its late ;) but i think you can turn them off with
set r_shadow_bumpscale_basetexture 0
Last edited by esteel on Thu Aug 31, 2006 8:35 pm, edited 1 time in total.
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