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From: Adam K Kirchhoff <adamk@voicenet.com>
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Date: Tue, 3 Feb 2009 17:12:39 -0500
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Cc: Gvozdikov Veniamin <g.veniamin@googlemail.com>
Subject: Re: very low fps
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On Tuesday 03 February 2009 17:01:39 Gvozdikov Veniamin wrote:

> #glxgears
> Xlib:  extension "Generic Event Extension" missing on display ":0.0".
> Xlib:  extension "Generic Event Extension" missing on display ":0.0".
> Failed to initialize GEM.  Falling back to classic.
> 290 frames in 5.0 seconds = 57.838 FPS
> 291 frames in 5.0 seconds = 58.066 FPS
> 291 frames in 5.0 seconds = 58.072 FPS
> ^C

glxgears is not a benchmark.  Do not *ever* use it to judge your opengl 
performance.

For what it's worth, though, it sounds like you have sync-to-vblank enabled.  
You can configure the drivers to never sync to vertical refresh with driconf.

Adam


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