Subject: Re: [xsl] speed optimization From: David Carlisle <davidc@xxxxxxxxx> Date: Mon, 27 Jan 2003 00:33:34 GMT |
Any improvement is better than none. And I suspect that in fact there are many types of bottlenecks which slow down all processors, such as match="//foo", or stuff like <t:param name="bar" select="document(doc.xml)/bar"/> <t:param name="baz" select="document(doc.xml)/bar/baz"/> instead of <t:param name="doc" select="document(doc.xml)"/> <t:param name="bar" select="$doc/bar"/> <t:param name="baz" select="$bar/baz"/> I'd be surprised if either of those made any difference. // is expensive in select attributes but in a match it's just doing nothing. similarly a processor has to cache the result of document() (almost certainly, to get the node identity semantics right) so explictly saving it in a variable is unlikely to make much difference (but does make the code clearer) David XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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