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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: how to estimate speed of a transformation
 XSLT is almost soley specified by expected result, not assuming any processing model ... David, You've started a great discussion, and gotten some detailed comments back. Now it's time to step back and look at the big picture again. First, some things will improve execution speed with almost any XSLT processor. Anything that avoids walking large parts of the input tree multiple times is always good. Saving certain results in variables is one way to do this. Keys are often helpful. Following the suggestions of Michael Kay and Jeni Tennison (and others) on this list will improve your stylesheets. Second, some XSLT processors (DataPower's among them) are 10 times faster than others. Part of this is due to optimizations, and part is due to raw technology. These processors will be faster no matter what stylesheets you write. Finally, any stylesheet complex enough to have started this discussion is probably too complex to analyze clearly. Most commercial XSLT processors (again, DataPower's among them) allow you to profile your stylesheets during execution. It's the only way to know what's really going on, and it will let you focus your improvements on those parts of the stylesheet that need the most attention. --jeff XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list 
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