Re: [SLUG] Improving Xserver preformance

From: Eben King (eben1@tampabay.rr.com)
Date: Mon Aug 30 2004 - 11:42:41 EDT


On Mon, 30 Aug 2004, Ian Blenke wrote:

> Robert Snyder wrote:
>
> >Well I did get some improved preformance out of doing the following.
> >
> >taking down the Xserver default size on the server which is 1280 x
> >1024 to 1024x768 ... Proved to have a noticeable difference. Also
> >runing WindowMaker instead of defualt KDE or Gnome also help.
> >Switching from multple windows ( defualt for eXceed to single window
> >also helped alot
> >
> >
> Aside from image manipulation, X11 is a low-latency very compact network
> protocol. Shuffling images around the network are where it really gets
> into trouble.
>
> The biggest slowdown with X11 over the network is when dealing with
> pixmap manulation. The encoding of those images across the wire are
> *not* compressed (in fact, they're rather expanded from raw), and is
> quite a pain at higher bitdepths. The fewer images you use with X11, the
> faster network performance will appear to be.

Corollary: Don't use an image background in X, use a solid or pattern.

-- 
-eben    ebQenW1@EtaRmpTabYayU.rIr.OcoPm    home.tampabay.rr.com/hactar

Every normal man must be tempted at times to spit upon his hands, hoist the black flag, and begin slitting throats. -- H.L. Mencken

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