Linked by Thom Holwerda on Sun 27th Dec 2009 14:12 UTC
KDE Since the stream of news is still pretty much dry, I figured I'd throw in something I've been meaning to talk about for a while now, but really didn't dare to: KDE4's performance. Since experiences with KDE4 seem to widely differ between people, it might be a good idea if we, together, can find a common cause among those of us having problems.
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KDE Comments
by darkcoder on Mon 28th Dec 2009 01:51 UTC
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Thom, in your current system you should consider the open source ati driver (a very recent build, or directly from git).

In my previous system I had no issues with KDE SC 4.x series. Maybe some random crashes, but where very random. Never pointed it to neither KDE nor drivers since I was using a half damaged GPU for like 1 year, until it finally died. I had at first bad KDE performance, but after some KDE and driver revisions, it got to a good state.
Cpu: Intel Core Duo 1.66MHz
Video: NVidia 7600GT AGP
Memory: 2 GB RAM
OS: OpenSuse 11.1
Driver: Nvidia Proprietary rev 180.x

After my card burned, I got a new board, card, memory and faster cpu and remade my system. The card I got is an ATI 4800 series card. The binary driver only works on some distributions, and fail in others either to Xorg 7.5 or kernel 2.6.32 changes. Currently found a very stable (some minor graphic corruption), but very responsive desktop under Fedora 12 and the mesa-driver-experimental driver. The non experimental (and default) one gave me constant kwin crashes and no 3D effects.
Mobo: Gigabyte EP43-UD3L
Cpu: Intel Core Duo 2.4MHz
Video: ATI 4850 PCIe
Memory: 4 GB RAM
OS: Fedora 12
Driver: mesa-driver-experimental (opensource)

Sadly, founding a stable distribution is more a trial and error experience these days. For example, OpenSuSE 11.2 fails miserable to start from a LiveCD with my Radeon system, but works with my dad's Nvidia one. While they cannot test every possible hardware combination (even Microsoft can't), is so hard to test something as important as the video, when most people is probably using one of the big three (Nvidia, Ati, Intel)?

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