Subject: RE: [xsl] Re: A list of useful functions that aren't in the core of xsl. From: "Michael Kay" <mhk@xxxxxxxxx> Date: Fri, 21 Mar 2003 22:46:42 -0000 |
> Mike, common subsequence sharing really makes a big > difference. For example list sharing is one of the major > assumptions in estimating the time complexity of the algorithms in > Thanks for the advice, it's certainly one of the things I will put on my list of future opportunities. I can't immediately see how to combine it with lazy evaluation, but I'll stew on it for a while. I've recently extended the optimizations I do in two particular areas - compile-time moving of sub-expressions out of loops, and run-time lazy evaluation, and between them they have made a big difference to execution time for some complex stylesheets. The bad news is that most stylesheets are not complex enough to benefit from them! Michael Kay Software AG home: Michael.H.Kay@xxxxxxxxxxxx work: Michael.Kay@xxxxxxxxxxxxxx XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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