[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: XPath "//", speed, and Saxon
On Mon, Nov 03 2008 12:51:58 +0000, mike@xxxxxxxxxxxx wrote: ... > Incidentally, one minor comment > >>Only xsltproc provides a command-line switch for running the transformation > time multiple times > > Saxon has had such a switch for some time, though only recent releases have > documented it (-repeat:99). I had subsequently found the original three switches in the Saxon source code and had mentioned them in later deliveries of the tutorial. > I think there's another important (if obvious) point that's not made in the > paper: don't assume that your performance problem is in the XSLT code until > you've drilled down to that level. I did a bit of tuning for a client > recently where it turned out 80% of the cost was spent in some simple > user-written code to generate the XML input for the transformation. To paraphrase Knuth (another giant who must surely have sore shoulders by now): premature optimisation is the root of all evil. Regards, Tony Graham Tony.Graham@xxxxxxxxxxxxxxxxxxxxxx Director W3C XSL FO SG Invited Expert Menteith Consulting Ltd XML, XSL and XSLT consulting, programming and training Registered Office: 13 Kelly's Bay Beach, Skerries, Co. Dublin, Ireland Registered in Ireland - No. 428599 http://www.menteithconsulting.com -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- xmlroff XSL Formatter http://xmlroff.org xslide Emacs mode http://www.menteith.com/wiki/xslide Unicode: A Primer urn:isbn:0-7645-4625-2
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