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Larry The Cow
Tux's lil' helper
Joined: 12 Jan 2005
Posts: 99
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 Posted: Sat Jan 28, 2006 4:10 pm Post subject: Sound lowers FPS... |
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I play America's Army (UT engine); I have a ATI Radeon 9200 128mb; my FPS is quite a bit lower on Gentoo than Windows 2000. When I mute the sound on AA, it moves my FPS from 38 to 44; my question is, is that normal? (It doesn't make any difference on my laptop). If anyone has tips on getting my FPS higher than would be nice too. 
Edit: Oops, I didn't mean to put this in Unsupported Software 
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Archangel1
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Joined: 21 Apr 2004
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| Posted: Sun Jan 29, 2006 4:45 am Post subject: |
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Often some sound processing is done in software; hence CPU time is taken and frame rates lowered.
Oddly enough, I remember getting a framerate increase in UT2003 by changing it from hardware to software; I assume my driver was emulating the hardware features.
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MxxCon
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Joined: 01 Apr 2005
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| Posted: Sun Jan 29, 2006 10:03 pm Post subject: |
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| ya, either sound effect processing is done totally in cpu, or your soundcard's drivers are inefficient and still slow down cpu. |
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Larry The Cow
Tux's lil' helper
Joined: 12 Jan 2005
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| Posted: Mon Jan 30, 2006 12:15 am Post subject: |
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That makes sense I guess, but like a said, on my laptop it makes no difference whatsoever.
Also, I have a GeForce4 420 Go 32mb on my laptop and I get 50 FPS where I get 44 on my desktop (with the sound muted); on glxgears my desktop gets several hundred better FPS.
I was just looking into overclocking my Radeon 9200 a bit, and I found that I can clock the GPU from 250 to 270 and memory from 200 to 230 (not max, just as a test) and glxgears jumps from 2070 to 2328 FPS, while there is virtually no affect on AA FPS.
Is this just ATI's amazing display of skill in making Linux drivers? 
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drwook
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Joined: 30 Mar 2005
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| Posted: Mon Jan 30, 2006 12:24 am Post subject: |
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| Probably just the curse of ATI's drivers... Bear in mind glxgears isn't much of a benchmark though. |
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energyman76b
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Joined: 26 Mar 2003
Posts: 2009
Location: Germany
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| Posted: Mon Jan 30, 2006 1:00 am Post subject: |
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Hi,
first: ATI is dead slow on linux
second:if your laptop has a better soundchip/card than your desktop, the influence of the sound will be lower.
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