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Posted to dev@daffodil.apache.org by "Steve Lawrence (JIRA)" <ji...@apache.org> on 2019/01/17 19:38:00 UTC

[jira] [Resolved] (DAFFODIL-2045) Performance degredation with hexBinary

     [ https://issues.apache.org/jira/browse/DAFFODIL-2045?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Lawrence resolved DAFFODIL-2045.
--------------------------------------
    Resolution: Fixed

Fixed in commit 69bb0a185ef320acf31739d8b90e63b9f7c8a8de

> Performance degredation with hexBinary
> --------------------------------------
>
>                 Key: DAFFODIL-2045
>                 URL: https://issues.apache.org/jira/browse/DAFFODIL-2045
>             Project: Daffodil
>          Issue Type: Bug
>          Components: Back End
>            Reporter: Steve Lawrence
>            Assignee: Steve Lawrence
>            Priority: Major
>             Fix For: 2.3.0
>
>
> DAFFODIL-2019 modified hexbinary logic so that byteOrder was ignored. It did this by reading in the required amount of data 8-bits at a time. Unfortunately, this resulted in a pretty drastic performance degredation. We should effectively revert that change and instead modify the I/O layer so that it ignores byteOrder, allowing us to read in large chunks of data at once rather than 8 bits at a time.



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