RE: [xsl] xsltproc (was Re: XSL-List Digest V4 #417)

["Michael Kay" <michael dot h dot kay at ntlworld dot com>]

> > Most popular XSLT processors are written in Java, Python, or Perl: 
> > Saxon, Xalan, 4XSLT ... xsltproc is faster than them by a wide and 
> > probably permanent margin.
> 
> I don't want to get into a which is faster debate but this is 
> really suspect. 
> I benchmark processors as part of my job and under no 
> circumstances have I 
> found this to be true. I have found many of the Java 
> processor are quicker 
> than libxslt, including jd.xslt, Resin, Saxon and XT. Because 
> of differences 
> between JVM implementations the margin is different between 
> Windows/Linux. In 
> fact in a league table of  Windows processors libxslt comes 
> in 6th out of 11. 
> 
If you are measuring a single-shot transformation executed from the
command line then of course the Java processors have a big disadvantage
because the Java VM takes 5 seconds or so to warm up. So as always,
different people will get different answers if they measure different
things.

Michael Kay
Software AG
home: Michael.H.Kay@ntlworld.com
work: Michael.Kay@softwareag.com 


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