Re: Weird Performance Issues

Simon Bowden wrote:
> Hi Joe,
> 
> If you're using svn, then you should definitely get good performance out 
> of it.
> 
> The only thing I can think of is that your games aren't running in 
> accelerated/fullscreen mode. I'm not familiar enough with them to guess 
> how to toggle this.
> 
> Check that acceleration is on with:
> $ glxinfo | grep ^direct
> direct rendering: No
> 
> (if it's working properly, it should say Yes...).
> If it says yes under KDE, not No under fluxbox... it's not flux's fault. 
> That is an X setting.
> 
> Cheers,
> 
>  - Simon
> 
> On Mon, 23 May 2005, Joe Giles wrote:
> 
>> Ok, I'm confused now. I was under the impression that a light weight 
>> window manager like Fluxbox was supposed to offer better performance 
>> playing games than say KDE or Gnome.
>>
>> However, on my machine, the opposite has been discovered.
>>
>> While trying to gain better performance in games like Doom3 and 
>> UT2004, I compiled Fluxbox from CVS and set it up so I can play my 
>> games. However, when I started playing, while in flux, I noticed 
>> choppy game play and low FPS. I am using Arch Linux and am not using a 
>> login manager (Just .xinitrc and startx).
>>
>> While in KDE and Gnome, the games FPS and movement are as smooth as silk.
>>
>> Also, I am not using any desklets or monitoring apps like gkrellm. 
>> Just a basic Fluxbox and auto generated .Fluxbox directory...
>>
>> My system specs are:
>> GeForce 6800 Ultra 256
>> AMD64 3400+ (32bit)
>> 1 gig ram
>>
>> Any compile time optimizations that I can pass to ./configure that 
>> would fix this, or any other ideas?
>>
>> Thanks!!!
>>
>> Joe
>>
>>
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> 
> 
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Thanks for the reply.

Yeah, I have full GLX under Flux. That is set in xorg.conf, so its good 
to go for any WM.

As an example, under KDE, I get 7220 fps in glxgears (2x AA and 8x AF) 
and 67 fps in Doom3 timedemo (1280x1024 full screen).

In Fluxbox, I get 6980 or so on glxgears (Same AA and AF settings) and 
about 59 fps in Doom3 (Same resolution).

I don't know what is up with that, that just seems so backwards to me.

Joe


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