[Pkg-xfce-devel] Bug#480587: Bug#480587: xfwm4: Using Compositing causes X to eat major CPU

[Alexander Toresson]

On Sun, May 11, 2008 at 10:55 PM, Daniel Dickinson <cshore at wightman.ca> wrote:
> On Sun, 11 May 2008 22:35:20 +0200
> "Alexander Toresson" <alexander.toresson at gmail.com> wrote:
>
>> On Sun, May 11, 2008 at 5:29 AM, Daniel Dickinson
>> <cshore at wightman.ca> wrote:
>> > With an accelerated video card with composting enabled in xorg.conf
>> > and for compositing works under GNOME, using compositing in Window
>> > Manager Tweaks results in X consuming huge amounts of CPU bringing
>> > the system to a crawl.
>>
>> Compositing under gnome -- is that with compiz or with the compositor
>> metacity has gained lately?
>> Because compiz uses opengl for effects, while xfwm4 and metacity use
>> xrender.
>
> That was with compiz.  It may be that metacity compositing has the same
> the problems; I don't know and am not planning on installing gnome to
> find out :-)
>
> So it could be a problem with xrender; are there other programs that
> use that I can test with?
>

You could try using xcompmgr; it's a standalone composite manager, and
see it it excibits the same problem.

// Alexander Toresson