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Subject: Re: DOCBOOK-APPS: speedy XSLT processor for win

On Fri, Jul 26, 2002 at 01:29:58PM +0200, Gabor Hojtsy wrote:
> Hi!
> Working with the PHP Manual and XSL sheets as the manual grows to an
> extreme size, there is a need for the speediest XSLT processor on
> windows to process DocBook documents. Currently I use saxon with the
> SUN JDK, and also tried SUN with MS JVM and xsltproc. All of these
> operate on the same speed (approx. one hour to generate HTML for the
> whole manual). This is not a really cool state, as deep testing on
> Windows is not doable that way. XSLTproc is said to be much faster on
> Linux then Saxon, but I cannot measure any significant differences on
> Windows.

I'll bet you are chunking out a lot of files.  If so, then
you are probably I/O bound.  I get similar results on
Windows XP when chunking a big book, but xsltproc is about
2.5 times faster when I use the non-chunking stylesheet on
the same book.  That suggests it is the opening, writing,
and closing of files that is equalizing the two.

On my Linux box with a slower CPU speed, the speed ratio is
about 5 times, whether I'm chunking or not.  I think in
that case the filesystem is staying sufficiently ahead of
the processor to show the diffence between the
two processing engines.


Bob Stayton                                 400 Encinal Street
Publications Architect                      Santa Cruz, CA  95060
Technical Publications                      voice: (831) 427-7796
Caldera International, Inc.                 fax:   (831) 429-1887
                                            email: bobs@caldera.com

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