same here on OpenSuse 13.2 and WMware Workstation 11.1 (the new update from Feb 2015)

After a while KDE becomes unusable slow. Everything else works fine, just the GUI slows down dramatically.

I tried hundered of things and spent a lot of time in this issue,

tried different grafic cards, different drivers, change hard drives ...

but no luck.

VMware , please please help us !!!!!!