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https://issues.apache.org/jira/browse/MIME4J-306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benoit Tellier closed MIME4J-306.
---------------------------------
Resolution: Fixed
> MimeUtil::unfold should group char appends
> ------------------------------------------
>
> Key: MIME4J-306
> URL: https://issues.apache.org/jira/browse/MIME4J-306
> Project: James Mime4j
> Issue Type: Improvement
> Components: core
> Affects Versions: 0.8.5
> Reporter: Benoit Tellier
> Priority: Major
> Fix For: 0.8.6
>
> Attachments: after_unfold.png, before_unfold.png
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Calling repeatedly append requires ensuring the capacity amongst other.
> Appends to the string builder can be done for all previous chars when a line
> delimiter is encountered, thus reducing the cost of the operation.
> Gain: 66%
> Attached are the flame graphs:
> - Before
> - After (Combined with MIME4J-304 and MIME4J-305)
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