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List:       kde-devel
Subject:    Re: Improving performance
From:       "Aaron J. Seigo" <aseigo () kde ! org>
Date:       2008-07-14 7:17:45
Message-ID: 200807140117.45962.aseigo () kde ! org
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On Sunday 13 July 2008, David Johnson wrote:
> oxygen). But the plasma widgets and related stuff are dog slow. I've
> removed all widgets from the desktop, but it is not helping krunner
> performance at all.

so you have problems with plasma and with krunner but not other Qt apps, and 
the two have this in common: they both use an ARGB visual if they are 
available. this is, unfortunately, a common weak point in some of the drivers 
out there: they advertise and provide support for features like ARGB but (due 
to pretty much zero production apps out there pushing the features) have all 
sorts of performance issues related to them.

try this:

in kdebase/workspace/plasma/plasma/plasmapp.cpp put a return statement on line 
72:

void checkComposite()
{
    return;
    dpy = XOpenDisplay(0); // open default display

build & install in that dir, restart plasma ... see if things are happier.

-- 
Aaron J. Seigo
humru othro a kohnu se
GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA  EE75 D6B7 2EB1 A7F1 DB43

KDE core developer sponsored by Trolltech


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