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Posted to dev@daffodil.apache.org by "Dave Thompson (JIRA)" <ji...@apache.org> on 2018/01/31 19:16:00 UTC
[jira] [Closed] (DAFFODIL-1876) Improve performance regression due
to FormatInfo changes
[ https://issues.apache.org/jira/browse/DAFFODIL-1876?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dave Thompson closed DAFFODIL-1876.
-----------------------------------
Pulled latest updates from incubator-daffodil repository and verified the specified commit, ee4177b4c9bf84af2af19d8c9f67f283e233105e, was included.
Reviewed updated files to determine the effected tests. Executed the entire SBT test suite. Verified that the effected tests executed successfully. Nightly test run executed successfully.
Comparison with the FormatInfo commit (a1d881), showed performance gains across all data format tests with some exceptions. Some of these could be due to normal run-to-run deviation. There were no nato-stanag tests listed in this comparison due to these test being broken at the time.
The comparison to the pre- FormatInfo commit (401761) showed that performance has not been regained to pre-FormatInfo commit values across all format tests. Most significant are the army-drss and nato-stanag tests which needs further investigation.
Also note that for some tests there is a significant performance increase from the 2.0.0 baseline and in some there is still a significant performance decrease.
Closing this ticket and created JIRA ticket DAFFODIL-1883 to identify the specific data formats that need further performance regression investigation.
> Improve performance regression due to FormatInfo changes
> --------------------------------------------------------
>
> Key: DAFFODIL-1876
> URL: https://issues.apache.org/jira/browse/DAFFODIL-1876
> Project: Daffodil
> Issue Type: Improvement
> Components: Back End, Middle "End"
> Affects Versions: 2.1.0
> Reporter: Michael Beckerle
> Assignee: Dave Thompson
> Priority: Major
> Fix For: 2.1.0
>
>
> FormatInfo changes introduced significant performance degradation.
> Changes are needed to win back this performance.
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