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Posted to commits@daffodil.apache.org by "Dave Thompson (Jira)" <ji...@apache.org> on 2022/12/12 11:59:00 UTC

[jira] [Commented] (DAFFODIL-2400) New SAX API causes performance degradations

    [ https://issues.apache.org/jira/browse/DAFFODIL-2400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17646056#comment-17646056 ] 

Dave Thompson commented on DAFFODIL-2400:
-----------------------------------------

Ran nightly test suite with option -I sax on lastest pull which included commit 661d307a3c0c9c3db3a653ca640481b6d9895b31. The nitf and uscg performance unparse tests failed.

Rolled commit back to commit prior to the 661d307a commit and the nitf and uscg performance unparse tests then passed.

When using the “daffodil unparse -I sax” command the nitf and uscg xml infoset files successfully unparse.

> New SAX API causes performance degradations
> -------------------------------------------
>
>                 Key: DAFFODIL-2400
>                 URL: https://issues.apache.org/jira/browse/DAFFODIL-2400
>             Project: Daffodil
>          Issue Type: Improvement
>          Components: Performance, SAX
>            Reporter: Steve Lawrence
>            Priority: Major
>
> The new SAX API caused performance degredations across the board of file types. The SAX API is basically just a wrapper around the current API, so this is a bit surprising. Need to investigate what is causing these slowdows and see if it can be resolved.



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