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From: "J.A. Magallon" <jamagallon@able.es>
To: linux-kernel@vger.kernel.org
Subject: Re: Scheduler: -mm vs -staircase
Date: Sat, 26 Jun 2004 01:39:25 +0200	[thread overview]
Message-ID: <20040625233925.GA7857@werewolf.able.es> (raw)
In-Reply-To: <20040626012620.0622a3af.diegocg@teleline.es> (from diegocg@teleline.es on Sat, Jun 26, 2004 at 01:26:20 +0200)

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On 06.26, Diego Calleja García wrote:
> El Sat, 26 Jun 2004 00:56:54 +0200 "J.A. Magallon" <jamagallon@able.es> escribió:
> 
> 
> > I start /usr/lib/xscreensaver/glmatrix -fps, and the frame rate starts at
> > 25 fps. In 30 seconds it has dropped to 6 fps. The app is still using 
> > the same cpu time (about 90% of one cpu on a dual xeon box with ht).
> 
> For that particular screensaver, notice that glmatrix starts drawing nothing.
> 30 seconds after the start there're lots of polygons so after 20 seconds
> it needs more processing power. It happens exactly the same
> but the difference is not so big, from 30fps to 24fps, perhaps
> you didn't enabled DRI acceleration?

This is very strange.
As I was logged in, gears gave aout 60 fps, and glmatrix degraded over time.
I have logged out and in, and gears is back to its 750 fps (GeForce FX 5200)
and glmatrix runs fine at a constant 30 fps rate (2.6.7-mm2+staircase).

raro, raro...

--
J.A. Magallon <jamagallon()able!es>     \               Software is like sex:
werewolf!able!es                         \         It's better when it's free
Mandrakelinux release 10.1 (Cooker) for i586
Linux 2.6.7-jam5 (gcc 3.4.1 (Mandrakelinux (Cooker) 3.4.1-0.3mdk)) #1

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      parent reply	other threads:[~2004-06-25 23:39 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-25 22:10 Scheduler: -mm vs -staircase J.A. Magallon
2004-06-25 22:56 ` J.A. Magallon
2004-06-25 23:26   ` Diego Calleja García
2004-06-25 23:37     ` Diego Calleja García
2004-06-25 23:39     ` J.A. Magallon [this message]

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