Subject: [xsl] performance of copying all source to result From: Evyatar_Kafkafi <evyatar@xxxxxxxxx> Date: Thu, 21 Dec 2000 11:24:20 +0200 |
I use an XSL stylesheet to copy (almost) all the source document to the result, doing some small modifications on a small portion of the elements. The stylesheet I use is similar to the one posted in http://www.dpawson.co.uk/xsl/N1930.html#N15209 (It is added in the end of this message). Basically, it goes over all nodes. My source documents are relatively small (1 KB - 4 KB). The question is - how long will it take (at run-time) to do this transformation? My measurements show it will be more then 1.6 seconds (1600 milliseconds). I compared some combinations of the following XSLT processors: Xalan2, Xalan1.2, Saxon 6.0.2, XT and the following parsers: Xerces, XP, Sun, Aelfred. I run several times (the first time always takes more, about 4 seconds). I use the compiled stylesheet. The results were all between 1.6 seconds and 2.1 seconds. But I would like to get a result of about 0.5 seconds for a transformation. Therefore I suspect it is the stylesheet that should be improved, not the XSLT processor. Any suggestions? Evyatar. The stylesheet: <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output method="xml" indent="yes" omit-xml-declaration="yes"> <xsl:template match="/"> <xsl:apply-templates/> </xsl:template> <xsl:template match=" a | applet | b | big | body | br | caption | cite | code | col | colgroup | dd | div | dl | dt | em | font | form | frame | frameset | head | h1 | h2 | h3 | h4 | h5 | h6 | hr | html | i | iframe | img | link | li | map | meta | noframes | ol | p | param | pre | s | script | small | span | strong | style | sub | sup | td | th | title | tr | tt | ul | var | table "> <xsl:copy> <xsl:copy-of select="@*"/> <xsl:apply-templates/> </xsl:copy> </xsl:template> <!-- ADD YOUR template here --> </xsl:output> </xsl:stylesheet> XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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