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Posted to j-dev@xerces.apache.org by "Elliotte Rusty Harold (Jira)" <xe...@xml.apache.org> on 2025/10/20 12:13:00 UTC

[jira] [Commented] (XERCESJ-1704) XML Parsing slow when many attributes are declared for each element in DTD

    [ https://issues.apache.org/jira/browse/XERCESJ-1704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18031134#comment-18031134 ] 

Elliotte Rusty Harold commented on XERCESJ-1704:
------------------------------------------------

Reproducible measurements are helpful for resolving performance issues. method inlining isnot always helpful and can be harmful. Ditto lazy initialization 

> XML Parsing slow when many attributes are declared for each element in DTD
> --------------------------------------------------------------------------
>
>                 Key: XERCESJ-1704
>                 URL: https://issues.apache.org/jira/browse/XERCESJ-1704
>             Project: Xerces2-J
>          Issue Type: Improvement
>          Components: DTD
>    Affects Versions: 2.12.0
>            Reporter: Cristian Talau
>            Priority: Minor
>         Attachments: file.xml, perf.dtd
>
>
> If there are ~1000 attributes declared in the DTD for each XML element parsing an XML document is very slow.



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