KDE 4.2.4 and Intel graphics?

[SlyFerret]

Does anyone know if the new KDE release resolves any of the performance issues with Intel graphics hardware?

-SF

[russlar]

Re: KDE 4.2.4 and Intel graphics?

As I understand it, the Intel performance issues don't have to do with KDE, they have to do with the xorg driver version. (Gnome Ubuntu has this same issue)

[SlyFerret]

Re: KDE 4.2.4 and Intel graphics?

I didn't realize that the issue also existed with Gnome.

I guess I'll keep waiting for a fix!

-SF

[kevinc]

Re: KDE 4.2.4 and Intel graphics?

I don't think so, but that depends on the particular problem that you have.

http://kde.org/announcements/announce-4.2.4.php

However, Karmic Koala does claim to fix this

http://www.ubuntu.com/testing/karmic/alpha1

(Hopefully Kubuntu Karmic and not just Ubuntu Karmic)

[barbolani]

Re: KDE 4.2.4 and Intel graphics?

I have an Acer Aspire One with Ubuntu installed and yes, until I enabled UXA graphics performance was not very good.

Despite the warnings about experimental features, etc, I've been running with UXA enabled for months and is rock solid. Your mileage may vary.

[GreyGeek]

Re: KDE 4.2.4 and Intel graphics?

I am running KDE 4.2.4.

My video chip is:

00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)

Glxgears gives an average of 760 fps. Stellarium, my accelerated video app, runs at 52 fps and is liquid smooth.

[barbolani]

Re: KDE 4.2.4 and Intel graphics?

Sorry, I was confused. The option I enabled was EXA, not UXA. And my gears rating is more like 170fps , should I be worried?

[GreyGeek]

Re: KDE 4.2.4 and Intel graphics?

Sorry, I was confused. The option I enabled was EXA, not UXA. And my gears rating is more like 170fps , should I be worried?

You haven't said what your chip is. Run "lspci" in a console and report the chip.

Regardless, 170fps is pretty slow. Before they fixed the Intel-x86-video driver for GM45 chips (mine) I was getting no better than 250fps and that was barely acceptable for Google, but unacceptable for Stellarium, TuxRacer, etc. Even at 760fps my mid level video chip is too slow to run TORCS or other high demand graphics applications acceptably, but I knew that before I bought this mid-range laptop. I got it because of its 1600X900 HD video and multimedia capability, not for games.

EDIT: 06/14/09 - 4:42 CST
Yesterday, on a whim, I booted the 64bit Kubuntu LiveCD to see how fast the graphics were on this 64bit Sony VAIO VGN-FW140E/H laptop with 3GB RAM. The glxgears jumped from 760fps to 860 fps. I activated the 3D desktop and ran the screen fps utility. It gave me 100% of my 59.7 fps vblanking speed. When I opened a console and waved it around the screen the percentage dropped to around 80-85%. I rebooted my 32bit Kubuntu on the HD and reran the screen fps app. Waving the console caused the percentage to drop to around 30% !!!

So, graphics is faster on this laptop when I run the 64bit Kubuntu as compared to the 32bit Kubuntu. A full 13% faster. But, I am not going to install the 64bit Kubuntu because most apps are still built for a 32bit machine, and running a 32bit layer between your app and your desktop isn't going to make it faster.

[Rizado]

Re: KDE 4.2.4 and Intel graphics?

You could try this upgrading to the next version of intel drivers:
https://wiki.ubuntu.com/X/Troublesho...202.8%20driver

It made wonders for my integrated 4500mhd.

[wightman.p]

Re: KDE 4.2.4 and Intel graphics?

Fixed my Intel issues (on Acer) on 4.2.2 - currently doing 4.2.4 update.

Very happy with performance now

http://ubuntuforums.org/showthread.php?t=1130582 - very good info here, just missing a little bit:

fixmttr.sh script - need to create the symlink in ~/.kde/Autostart
chmod +sx this script (not only +x - need to execute as root)

[bitnissen]

Re: KDE 4.2.4 and Intel graphics?

Fixed my Intel issues (on Acer) on 4.2.2 - currently doing 4.2.4 update.

Very happy with performance now

Exactly which Intel model did you have, and which issues?

[wightman.p]

Re: KDE 4.2.4 and Intel graphics?

00:02.1 Display controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03)

I had terribly slow graphics performance, use 'Extreme Tux Racer' to benchmark this. I'm new to Kubuntu, but have been using Ubuntu for some time on the same hardware. Intel driver issues were present before the indicated fix, now, I'm happy with the performance

[Rizado]

Re: KDE 4.2.4 and Intel graphics?

I have a GM45 chipset and have done the optimized steps but I'm still not satisfied. I get about the same testresults as the guy in the thread (about 30fps in ppracer) but this chipset is supposed to be faster. Anyone else have the same experience? I guess it could be the cpu that's limiting ppracer, are there any better gfx benchmarks?

BTW bleeding-edge is alot worse than optimized for me.

[kevinc]

Re: KDE 4.2.4 and Intel graphics?

How much system memory do you have and how much dedicated video memory do you have with your Intel GM45? From my experience, the amount of memory, especially video memory makes a huge difference.

[exploder]

Re: KDE 4.2.4 and Intel graphics?

Could someone explain how to do this, step by step?

fixmttr.sh script - need to create the symlink in ~/.kde/Autostart
chmod +sx this script (not only +x - need to execute as root)

I can't get the script to run at start up.

This is from the safe method of the Intel work around.

Edit: I am running KDE 4.3 beta 2 if that matters.