Allen S. Rout [2012.04.17 1021 -0400]:
On 04/16/2012 03:09 PM, Norbert Zeh wrote:
I noticed that even without decoration, fast focus switches drive my CPU usage up, much more so than in other non-tiling window managers. Running top gave me a surprising insight: it's not xmonad but the X server that consumes that many cpu cycles when focus switching.[...]
This matches my observations:
http://thread.gmane.org/gmane.comp.lang.haskell.xmonad/12168
At this point, I'm simply pondering what can be done about it, as one of the reason's I'm using xmonad is that I want a lightweight desktop environment. (When fast focus changes drive one of my cores to 50%, that's hardly lightweight.)
Wait till you make a quick traverse, start typing, and find bits of your input scattered among several terminals, including a root shell.
Well, actually that never happened to me. From the user's point of view, focus switching is snappy unless I increase the number of windows to an unreasonable 100+. My main issue is simply that a simple focus switch shouldn't cause more than a minor blip in my CPU usage. N.