Re: Signal dispatching slowed down after upgrade
- From: Murray Cumming <murrayc murrayc com>
- To: Krzysztof Kosiński <tweenk pl gmail com>
- Cc: "gtkmm-list gnome org" <gtkmm-list gnome org>
- Subject: Re: Signal dispatching slowed down after upgrade
- Date: Mon, 14 Feb 2011 16:03:47 +0100
On Mon, 2011-02-14 at 14:28 +0100, Krzysztof Kosiński wrote:
> 2011/2/14 BALLABIO GERARDO <GERARDO BALLABIO esterni gruppo mps it>:
> > Hi all,
> > in the last weekend I upgraded my computer to the new stable version of Debian (version 6.0.0, released a few days ago). After the upgrade, a gtkmm program of mine has become less responsive to the point of being barely usable. Apparently the dispatching of signals is now much slower than it used to be, and when a lot of them are connected (in my program there are more than 100), it becomes very noticeable.
>
> The slowdown is not caused by signal emission, but by modify_bg. If
> you write a custom expose handler that draws the cells, the updates
> are instantaneous. See the attached file.
Maybe the use of a different theme is causing the change in performance.
It's worth trying with other themes.
--
murrayc murrayc com
www.murrayc.com
www.openismus.com
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