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Posted to dev@xalan.apache.org by "David Bertoni (JIRA)" <xa...@xml.apache.org> on 2006/04/06 23:22:26 UTC
[jira] Closed: (XALANC-593) Poor performance with a complex XSL
stylesheet and large XML file
[ http://issues.apache.org/jira/browse/XALANC-593?page=all ]
David Bertoni closed XALANC-593:
--------------------------------
Resolution: Won't Fix
> Poor performance with a complex XSL stylesheet and large XML file
> -----------------------------------------------------------------
>
> Key: XALANC-593
> URL: http://issues.apache.org/jira/browse/XALANC-593
> Project: XalanC
> Type: Bug
> Components: XalanC
> Versions: 1.9, 1.10
> Environment: Platform: Windows XP Professional
> Processor: 2GHz
> RAM: 1Gb
> Reporter: srguard2000-general@yahoo.co.uk
> Attachments: SchoolCensus06-ErrorList-v1.4.xsl, SchoolCensus06-ValidationRules-v1.4.xsl, TEMP_XI_Y1219154918.xml, TEMP_XI_Y1219154918_halved.xml
>
> Xalan is performing poorly for a complex XSL transform on a large XML file.
> I have the details below, and I am attaching files for XML input and the XSL files.
> There are 2 problems - one is that a 1.5MB XML file takes about 2 minutes to be transformed.
> This could be solved by changing the XSL? - any suggestions welcome!
> The second problem is that the performance does not 'scale' with the size of the XML input - I took the same XML file and halved the size, and the performance more than doubled.
> So it looks like performance worsens with the size of the XML input.
> Performance in 1_10 is slightly worse than 1_9.
> ===============================
> Xalan-C_1_9_0-win32-msvc_60
> Xalan -t:
> 1.5MB XML:
> Source tree parsing time: 340.398336 milliseconds.
> Stylesheet compilation time: 133.1826288 milliseconds.
> Transformation time: 119932.1820512 milliseconds.
> 733Kb XML:
> Source tree parsing time: 158.737142 milliseconds.
> Stylesheet compilation time: 67.1794638 milliseconds.
> Transformation time: 36380.30150 milliseconds.
> ===============================
> 1.5MB XML:
> Xalan-C_1_10_0-win32-msvc_60
> Xalan -t:
> Source tree parsing time: 255.852040 milliseconds.
> Stylesheet compilation time: 68.236948 milliseconds.
> Transformation time: 134556.299906 milliseconds.
> 733Kb XML:
> Source tree parsing time: 142.380952 milliseconds.
> Stylesheet compilation time: 68.1692120 milliseconds.
> Transformation time: 41232.867330 milliseconds.
> ===============================
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