From kde-devel Sun Jul 13 17:21:32 2008 From: Thomas Holzmann Date: Sun, 13 Jul 2008 17:21:32 +0000 To: kde-devel Subject: Re: KDE4 and the nvidia driver Message-Id: <487A399C.9000104 () gmx ! at> X-MARC-Message: https://marc.info/?l=kde-devel&m=121596976503152 Pierre schrieb: > On Saturday 12 July 2008 23:51:14 Michael Leupold wrote: > >> Hi there, >> >> so far I've been reluctant to use KDE4 as my main desktop because the >> performance was pretty sloppy due to my nvidia 8600 GTS. Fortunately I've >> stumbled on some instructions on how to improve performance using those >> cards [1]: >> 1) Install the latest nvidia beta driver (currently 177.13) >> 2) Set the following options: >> $ nvidia-settings -a InitialPixmapPlacement=2 -a GlyphCache=1 >> >> (Hint: some users reported it worked with InitialPixmapPlacement=1 for >> them) >> >> This worked really well for me (plasma really responsive), so I thought I'd >> share it. >> > It does improve the performance a bit for me (GeForce 8600M GT), but that's > far from making the system usable. > I often have some small X freezes, where nothing answers for a few seconds... > > >> To make kwin work well with those new settings I had to adjust >> Settings->Desktop->D. Effects / Advanced Options to: >> - Compositing type: OpenGL >> - OpenGL mode: Shared Memory >> > Well, this works if you're lucky enough to be able to enable desktop effects ! > Often, X freezes for at least 10 seconds when I enable them. That's enough for > the "timeout" and KWin decides to disable effects then... > > > I've also the GeForce 8600M GT, I've installed the newest driver and have applied your other proposed tweaks but unfortunately that did not lead to much better performance. Maybe a little bit better, but not much... BTW: Does anybody know if nvidia will release drivers in the near future that work well with my card? If not, I could send my notebook back to dell... Regards, Thomas >> Visit http://mail.kde.org/mailman/listinfo/kde-devel#unsub to unsubscribe <<