Ubuntu :: Improving Performance Of Desktop Effects In KDE 4.5 (Kubuntu 10.10)?

1) Disable blur effect in System settings>Desktop effects>All effects.

2) Press Alt+F2 and type oxygen-settings. Then go to "animations" tab and uncheck "enable animations". Also under "Window decorations" uncheck "enable animations".

3) System settings>Application appearance>Style>Fine tuning tab. Choose "Low display resolution and low CPU"

4) System settings>Desktop effects>Advanced tab choose fastest texture filter.

5) If your desktop effect are disabled on every reboot then you'll have to disable functionality checks. Go to System settings>Desktop effects>Advanced and check "disable functionality checks".

6) If you are running opensource drivers (ati or intel cards) you could try to improve your desktop effects with updating your drivers from xorg-edgers ppa. If updated drivers doesn't work better, you could safely downgrade your drivers to official ones with ppa-purge comand.

Code:
sudo apt-get install aptitude
sudo apt-add-repository ppa:xorg-edgers/ppa
sudo aptitude update
sudo aptitude install ppa-purge
sudo aptitude safe-upgrade

Then reboot. If updated drivers do not work better you can downgrade them:

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