Re: [xsl] Optimizing XSLT iteration

Subject: Re: [xsl] Optimizing XSLT iteration
From: "Sujata Gohad" <sgohad@xxxxxxx>
Date: Sun, 7 Oct 2007 23:22:43 -0700
Hi Mike,

> I don't know what XSLT profiler you are referring to. The Saxon profiling

I was using the Stylus Studio profiler -

> tool only tells you how much time is spent in each template, which is not
> very useful here as everything is in one template. Generally, finer
> resolution than this is not necessarily helpful because XSLT processors do a
> lot of lazy evaluation, which means costs are not always incurred at the
> point where the costly expression is written.
> Nothing elaborate, I just set -Xrunhprof:cpu=samples on the command line and
> looked at the resulting file, which immediately revealed (to
> someone who knows the Saxon internals, at any rate) that at least 90% of the
> time is spent evaluating xsl:number.

Many thanks, again.

- Sujata

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