Subject: Re: [xsl] Optimization Question From: David Carlisle <davidc@xxxxxxxxx> Date: Tue, 1 Feb 2005 00:05:29 GMT |
If you are prepared to write some java wrapper you'll certainly be able to re-use the parsed xml file and also most likely the compiled stylesheet (certainly saxon can do that, I assume xalan is broadly similar) Others can point you at the java needed (not really my thing, java) However theere are some parts of your stylesheet that look slower than needed. > select="document('../current/groups.xml')//GROUP_DOC/COVER_SHEET/TITLE" > /> That // cauases a full search of the document to arbitrary depth. If you know the explicit path then using that would probably be quicker. On the other hand it isn't clear to me that you need that variable at all. You use it as <xsl:variable name="group_full_name" select="$all-groups[generate-id() = generate-id(key ('all-groups-key', $crg))]" /> This looks up the nodes you want in the key, then searches the entire all-groups list to find the first of those nodes. It looks to be equivalent to <xsl:variable name="group_full_name" select="key('all-groups-key', $crg)[1]" /> which on the face of it ought to be much quicker as it is just a single key lookup which the processor ought to optimise, that being the main reason for having keys. David ________________________________________________________________________ This e-mail has been scanned for all viruses by Star. The service is powered by MessageLabs. For more information on a proactive anti-virus service working around the clock, around the globe, visit: http://www.star.net.uk ________________________________________________________________________
Current Thread |
---|
|
<- Previous | Index | Next -> |
---|---|---|
[xsl] Optimization Question, Michael Nguyen | Thread | RE: [xsl] Optimization Question, Michael Kay |
RE: [xsl] Priority and import prece, Michael Kay | Date | RE: [xsl] Grouping immediate follow, Michael Kay |
Month |