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Performance degrades after 1st game (172 biuild 377 - linux)

Posted: Sun Mar 25, 2012 12:10 am
by Propagandhi
Hey hey,

I've noticed that after I finish one game performance (framerate) in subsequent games is very bad. I'm running Gentoo with KDE as my desktop manager and an ati video card.

The camera movement is not smooth after my 1st game, but I'm not sure if the frame rate is dipping or not. It doesn't really feel like I'm dropping frames randomly, more like it's once per half sec or something.

Re: Performance degrades after 1st game (172 biuild 377 - li

Posted: Sun Mar 25, 2012 12:35 am
by Pyro
Build 378 is the latest for the 1.7.2 Linux version. Not sure if that will make a difference but it wouldn't hurt to try.

Re: Performance degrades after 1st game (172 biuild 377 - li

Posted: Sat Apr 07, 2012 3:00 am
by Propagandhi
378 did not address the issue. I still have to restart Myth between games to maintain performance.

Re: Performance degrades after 1st game (172 biuild 377 - li

Posted: Sat Apr 07, 2012 3:01 am
by Propagandhi
Oh, I should note that it sometimes takes more than one game, but never more than 4.

Re: Performance degrades after 1st game (172 biuild 377 - li

Posted: Sun Apr 08, 2012 5:07 pm
by Melekor
Not much information to go on, but I can't imagine this being anything other than an OpenGL drivers issue. See if the slowdown still happens if you use the software renderer.

Re: Performance degrades after 1st game (172 biuild 377 - li

Posted: Sat Jun 09, 2012 7:57 pm
by Propagandhi
Sorry for going dark, my ISP blocked mnet somehow and I haven't played since April.

I tried out software rendering and the issue did not occur. With that hint, I reenabled opengl rendering but disabled vsync. Since then I have not seen the slowdown, so perhaps it's a driver issue involving vsync.

Thanks!

Re: Performance degrades after 1st game (172 biuild 377 - li

Posted: Sat Jun 09, 2012 8:30 pm
by Pyro
You could enable Max FPS (a value of 90 is more than enough) if you want to limit the FPS since you won't be using VSync.