[ http://issues.apache.org/jira/browse/XALANC-556?page=all ]
David Bertoni resolved XALANC-556:
----------------------------------
Fix Version: CurrentCVS
Resolution: Fixed
This is a duplicate of XALANC-539.
> Major performance issue
> -----------------------
>
> Key: XALANC-556
> URL: http://issues.apache.org/jira/browse/XALANC-556
> Project: XalanC
> Type: Bug
> Components: XalanC
> Versions: 1.9
> Reporter: Yves Monier
> Fix For: CurrentCVS
> Attachments: dict2xelda.xsl, small_dict.xml
>
> I recently switched from xalan-c 1.4 (with xerces-c 2.1.0) to xalanc-c 1.9
> (xerces-c 2.6.0) for compatibility reasons with some of our supported linux
> platforms.
> No more compilation/link issues now with version 1.9 but it appears that this
> version is MUCH slower than 1.4, at least with the xml & xsl files I deal
> with...
> I did some tests with different sizes for my xml file, using Xalan.exe from
> the command line:
> 92 kb xml: approx. 1.5s for xalan-c 1.9 (approx. 2s for version 1.4)
> 491kb: 10s (3s for v1.4)
> 937kb: 21s (4s)
> 1128kb: 33s (4s)
> 1505kb: 1m25s (4s)
> ...
> ...
> 14655kb: 1h27m (22s) !!!
>
> The xsl uses two xsl:key for Muenchian grouping. Nothing especially tricky,
> at least for other processors like xalan-c 1.4 and saxon...
> I had a look to the xalan-c mailing list archive and open bugs but found
> nothing on performance aspects...
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