Subject: Re: [xsl] How many passes through the document From: Liam R E Quin <liam@xxxxxx> Date: Sun, 23 Sep 2012 00:44:01 -0400 |
On Sun, 2012-09-23 at 01:03 +0100, Ihe Onwuka wrote: > Of course if I had written it like this with the variable local > instead of global I wouldn't be asking the question. > > So I guess the question is whether the global version entails an extra > pass over the data or any other performance penalty. Measure it and see. With declarative / non-procedural languages, performance is often more about the implementation and what it optimizes than anything else. For example, some XSLT implementations build a table of elements in the document as the document is loaded, and others don't. Liam -- Liam Quin - XML Activity Lead, W3C, http://www.w3.org/People/Quin/ Pictures from old books: http://fromoldbooks.org/ Ankh: irc.sorcery.net irc.gnome.org freenode/#xml Co-author, 5th edition of "Beginning XML", Wrox, Summer 2012
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