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Posted to dev@daffodil.apache.org by "Michael Beckerle (JIRA)" <ji...@apache.org> on 2018/04/30 15:21:00 UTC
[jira] [Assigned] (DAFFODIL-830) Performance: Remove unnecessary
SeqCombParsers from generated parser
[ https://issues.apache.org/jira/browse/DAFFODIL-830?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Beckerle reassigned DAFFODIL-830:
-----------------------------------------
Assignee: Josh Adams
> Performance: Remove unnecessary SeqCombParsers from generated parser
> --------------------------------------------------------------------
>
> Key: DAFFODIL-830
> URL: https://issues.apache.org/jira/browse/DAFFODIL-830
> Project: Daffodil
> Issue Type: Improvement
> Components: Middle "End", Performance
> Affects Versions: s10
> Reporter: Michael Beckerle
> Assignee: Josh Adams
> Priority: Minor
> Fix For: deferred
>
>
> This is another missing optimization.
> We often have parsers that have nested <seq>....</seq>
> This is never needed as these can be merged. This improves tracing and debugging by avoiding having these excess things there.
> It also simply reduces the number of parser 'actions' a bit, so can't hurt for performance reasons. Every parsed element seems to have at least one excess <seq>...</seq> created around it.
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