Path: utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!mailrus!umich!samsung!usc!wuarchive!zaphod.mps.ohio-state.edu!sdd.hp.com!hplabs!hpfcso!hpfcdq!elliott
From: elliott@hpfcdq.HP.COM (Ian Elliott)
Newsgroups: comp.windows.x
Subject: Re: XPutImage() vs XDrawPoint() performance.
Message-ID: <890047@hpfcdq.HP.COM>
Date: 11 Jul 90 09:16:56 GMT
References: <26024@pasteur.Berkeley.EDU>
Organization: Hewlett-Packard - Fort Collins, CO
Lines: 10

> If I want to draw billions of points on an in-memory image (not displayed), 
> which of these two calls would be faster?

I would suggest using neither.  Use XDrawPoints, which will give you
better network/IPC bandwidth/performance.  If you don't want to or can't
do that, I'd suggest XDrawPoint simply because there is less protocol
data and the primitive is normally quite fast (or should be).


Ian Elliott