!Rant: Desktop Effects? Hell, yeah!
Last year I wrote a rather strong blog when I was frustrated, titled Desktop Effects? Never more. In that blog, I was relating one of the side-effects that I had when I switched from KDE 3 to KDE 4. For context, for those who don’t want to read the entire blog (and you shouldn’t), I finally switched just before KDE 4.1 was released. Until then, I had been running KDE 3 and 4 in alternance, or with some KDE 4 applications inside KDE 3, etc. (and it would be a few more months until I stopped using my last two KDE 3 applications: Amarok and Kontact).
The issue that was driving me crazy was that desktop effects were unusable at that time. First, kwin would use 90% of the CPU. Second, windows would disappear (100% transparent) or turn black. To top it off, one runaway debug message in kio_imap4 ate all of my disk space, driving me over the edge (as far as I know, that issue is still present). Since then, I have also had problems with Kontact / KMail — every two weeks, more or less, it would forget its account configuration then proceed to delete all my email cache.
This blog now had been long coming: I officially apologise for my words and retract all I said. I have been running desktop effects for months now, without a hitch. What’s more, all the issues I mentioned in the blog are fixed (aside from the kio_imap4 debug output), including Konsole’s redrawing speed on window resize. Turns out that KWin taking 90% of the CPU when using glib was caused by some code that had been designed to save CPU when using glib…
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