Subject: Re: [xsl] which XML parser is the fastest? From: "Steve Muench" <Steve.Muench@xxxxxxxxxx> Date: Thu, 24 Jan 2002 11:20:23 +0100 |
If you're using our 9.0.2 XDK for Java release from our OTN site, I think you'll find Oracle's implementation to be one the fastest Java implementation around. http://otn.oracle.com/software/tech/xml/xdk_java/ In the 9.0.2 release, we've done significant XPath performance optimizations that should be noticeable in your XSLT transformation times. Of course it's always worth a side-by-side comparison, so if you find a Java implementation that's faster for you testcase, please email me your files since we'd like to investigate why we're not the fastest, if that turns out to be the case. My experience is that slow XSLT transformations typically are a result of the user's using inadvertant "//" in patterns. For example, I've seen lots of users do: <xsl:value-of select="//customer/name"/> when what they *REALLY* meant was: <xsl:value-of select=".//customer/name"/> or even worse if what they really meant was: <xsl:value-of select="customer/name"/> You might search your stylesheet for "//" and make sure if you use that anywhere, you're using it correctly. Thanks. _____________________________________________________________________ Steve Muench - Developer, Product Manager, XML Evangelist, Author "Simplifying J2EE and EJB Development with BC4J" http://otn.oracle.com/products/jdev/htdocs/j2ee_with_bc4j/j2ee_with_bc4j.html "Building Oracle XML Applications" - www.oreilly.com/catalog/orxmlapp ----- Original Message ----- From: "Long Zhao" <LZhao@xxxxxxxxxxxxxxxx> To: <xsl-list@xxxxxxxxxxxxxxxxxxxxxx> Sent: Thursday, January 24, 2002 12:14 AM Subject: RE: [xsl] which XML parser is the fastest? | I am sorry, it takes 15 seconds instead of 15 min. my apologies. | I am reading the articles, thanks | | Long | | -----Original Message----- | From: Joerg Heinicke [mailto:joerg.heinicke@xxxxxx] | Sent: Wednesday, January 23, 2002 5:58 PM | To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx | Subject: Re: [xsl] which XML parser is the fastest? | | | Hello, | | the fastest parser and transformator seems to be the MSXML from microsoft. | From the other two common browsers Saxon seems to be faster than Xalan. | | But I think the processing time is more dependent on the XML and the | stylesheet. When it takes 15 min to process your document another processor | will not help much. See the tips at | http://aspn.activestate.com/ASPN/Mail/Message/774836 to improve the | performance (written by Michael Kay). | | Regards, | | Joerg | | ----- Original Message ----- | From: "Long Zhao" <LZhao@xxxxxxxxxxxxxxxx> | To: <xsl-list@xxxxxxxxxxxxxxxxxxxxxx> | Sent: Wednesday, January 23, 2002 11:27 PM | Subject: [xsl] which XML parser is the fastest? | | | > Hi Guys, | > | > We are using Oracle parser in our application. It takes about 15' to parse | my XML and XSL and generate a HTML document. | > What is the fastest parser around? | > | > Thanks | > | > Long | | | XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list | | | XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list | | XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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