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#1 2008-10-16 19:25:58

Eradest
Member
From: Germany
Registered: 2007-07-18
Posts: 56

KDE 4 performance

Hi Arch-folks!

The problem:
The performance in KDE 4 is poor. Basically everything reacts slowly, e.g. scrolling in folderview is really choppy.

The specs:
Intel P4 3 Ghz
Nvidia Geforce FX 5700
1.25 Gigs of RAM

The story:
In KDE 3, the system was really fast and super responsive. So I wonder why there is such a difference with KDE 4.
I know about the problems concerning nvidia-cards resp. nvidia-drivers and KDE 4 which should be solved with the new .177 driver. Unfortunately with the upgrade to .177 the FX-cards were dropped.

The question:
Does KDE 4 cause the slowness, or does the driver? And in any case, can I expect any improvements or is my machine just too old?

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#2 2008-10-16 19:41:46

cinan
Member
From: Slovakia
Registered: 2008-07-04
Posts: 251
Website

Re: KDE 4 performance

In my opinion KDE3 is faster than KDE4, but KDE4 apps are faster than KDE3 apps smile So if you have problems with kde4 you can stay with kde3

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#3 2008-10-16 20:56:14

mangus
Member
From: Bologna, Italy
Registered: 2007-04-07
Posts: 289

Re: KDE 4 performance

The problem is in kde4 and the driver also. Kde4 is built with specs that are not well interpreted by nvidia folks. Kde folks says that a driver problem, nvidia silently try to improve. The results here is that nvidia chipset have to improve on this new technologies 'cause kde is on his way. Time will tell if nvidia will make 'the right thing' or loose kde market..
Your machine is not old..probably you'll have the same problems with a shiny new nvidia bell&whistle videocard..

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#4 2008-10-16 22:26:54

buddabrod
Member
From: Germany
Registered: 2007-02-25
Posts: 220

Re: KDE 4 performance

The newer, the crappier. Poor nvidia... Yet they have improved their latest driver a lot (but not for Geforce FX cards) so it becomes usable. Try nouveau, it should work for your card, maybe it's faster. But you wont have any usable 3D support wink

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#5 2008-10-16 22:34:33

mangus
Member
From: Bologna, Italy
Registered: 2007-04-07
Posts: 289

Re: KDE 4 performance

buddabrod wrote:

But you wont have any usable 3D support wink

But we want 3D support! lol

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#6 2008-10-16 22:37:03

buddabrod
Member
From: Germany
Registered: 2007-02-25
Posts: 220

Re: KDE 4 performance

Better no 3D than no (usable) 2D! tongue

Edit: glxgears might work, though..

Last edited by buddabrod (2008-10-16 22:37:29)

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#7 2008-10-16 22:58:46

detox332
Member
From: University of Pittsburgh
Registered: 2007-06-12
Posts: 63

Re: KDE 4 performance

maybe try kdemod4, i find it more usable than kde4 in the regular repos


Arch64
KDE4 user

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#8 2008-10-25 10:40:38

dhave
Arch Linux f@h Team Member
From: Outside the matrix.
Registered: 2005-05-15
Posts: 1,112

Re: KDE 4 performance

detox332 wrote:

maybe try kdemod4, i find it more usable than kde4 in the regular repos

Are you actually seeing an improvement in graphics in kdemod4 as opposed to kde4 from /extra? That would be nice, but I don't see how it's possible. I don't really know, but I had assumed that the differences in kde4 and kdemod4 mainly had to do with streamlined packaging.


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