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Month: November 2011

Re: [trinity-devel] Workaround for bad Qt4 performance

From: "Timothy Pearson" <kb9vqf@...>
Date: Tue, 15 Nov 2011 13:29:26 -0600
> Hi all,
> I was listening in on the last irc meeting and caught an aftermeeting
> mentioning about bad Qt4 performance. I offered an article and a possible
> workaround I found recently, in case people are not aware of it, and was
> asked to bring it to attention to other developers also, so here goes:
> I'm suffering bad graphical performance in Qt4 and PyQt4 applications and
> searched for solutions. I found a post on [1] that mentions a
> command line switch that might help.
> In short: adding "-graphicssystem raster" to my Qt4 applications' command
> line
> improved performance drastically for me. There's also a method to set it
> programmatically, and an environment variable [2].
> [1]
> [2]
> Thanks and much regards,
> Sanne

Hi Sanne,

Thank you for the tip!  I may look into setting the variable by default on
X11 TDE sessions to aid in improving Qt4 application performance.