Subject: RE: [xsl] performance and the xsl:for-each-group instruction From: "Michael Kay" <mhk@xxxxxxxxx> Date: Thu, 25 Mar 2004 00:16:02 -0000 |
I would expect the performance to be fairly similar. Muenchian grouping is pretty efficient, it's hard to improve very much on it. The big advantage of xsl:for-each-group (at least with the group-by option) is usability, not performance. Michael Kay # -----Original Message----- # From: Gruenewald, Terry [mailto:tgruenewald@xxxxxxxxxx] # Sent: 24 March 2004 21:00 # To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx # Subject: [xsl] performance and the xsl:for-each-group instruction # # Does the xsl:for-each-group instruction have a performance # benefit over using the Muench method, or is it just syntactic # candy? I've been testing xsl:for-each-group against the # Muench method in Saxon 7.8 and I don't see any performance # gain. It would make sense (at least to me) that # xsl:for-each-group could operate much more efficiently than # the Muench method since it knows what you want to do is group. # # # # # # #
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