[xmonad] Delays in focus update...
gwern0 at gmail.com
Mon Feb 6 23:40:36 CET 2012
On Mon, Feb 6, 2012 at 5:31 PM, Norbert Zeh <nzeh at cs.dal.ca> wrote:
> I did a very superficial test of the source of the problem, and in my case it
> seems to be the decoration module that adds tabs above all my windows. Without
> decoration, I can open 30+ terminals and focus switch feels almost snappy and
> certainly does not trigger the endless loop. The moment I turn any form of
> decoration on, focus switching, at least with many windows, starts to feel
> sluggish. Are you using window decorations?
> I am not entirely certain what inside the decoration module would create such
> massive delays - the CPU usage on one of my cores goes up to 50% when I'm in the
> endless loop. I'm not too keen to dig into it because this module is a monster,
> but it may simply be necessary.
Why does this issue - 'Tabs is horrible for performance!' - sound so
Perhaps it's time to add a warning to the Tabs haddocks to the effect
it is known to hurt performance.
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