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https://issues.apache.org/jira/browse/DAFFODIL-2400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17213450#comment-17213450
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Mike Beckerle commented on DAFFODIL-2400:
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It's a wrapper around, but it uses Coroutines, which are expensive unless some
sort of queuing is done so that we don't context switch on every element.
> New SAX API causes performance degredations.
> --------------------------------------------
>
> Key: DAFFODIL-2400
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2400
> Project: Daffodil
> Issue Type: Bug
> Components: Performance
> Reporter: Steve Lawrence
> Priority: Critical
> Fix For: 3.0.0
>
>
> 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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