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Old 09-23-08, 12:57 AM   #1
eliwap
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Join Date: May 2004
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Default Performance and Rendering Issues in KDE 4.x

Hi Everyone.

Seems that I've stumbled on to a couple of things in kde that might be causing performance issues. This does not mean that there aren't problems with the NVidia drivers though.

I found that Konqueror leaves behind a lot of kio-http and Konqueor zombies and this has an enormous impact on performance. Second gtk-qt-engine seems to cause rendering issues when set to make gtk apps use kde themes. The best example I have of this is with OpenOffice under KDE. If gtk-qt engine is set to use a real gtk themes everythng is OK with OpenOffice.

If the default browser is set to Firefox. KDE remains snappy.
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Old 09-23-08, 06:01 AM   #2
txf
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Default Re: Performance and Rendering Issues in KDE 4.x

Qt4-gtk is known to be still kind of dodgy. You can see this as glitchy widget rendering. Unfortunately like firefox, open office has it's own widget toolkit which also seems to cause problems.

The kio issues are probably to do with konqueror. kio-http doesn't support pipelining so every new connection spawns a new kio connection. When konqueror closes the kio connections close as well after a while. If they don't then maybe you should report this as a bug in the kde bugtracker?
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Old 09-23-08, 06:33 AM   #3
eliwap
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Default Re: Performance and Rendering Issues in KDE 4.x

Its already been done.
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