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Posted to notifications@groovy.apache.org by "Daniel Sun (JIRA)" <ji...@apache.org> on 2019/03/31 16:22:01 UTC
[jira] [Resolved] (GROOVY-9060) Make the initial capacity of
LinkedHashMap be power of 2 for better performance
[ https://issues.apache.org/jira/browse/GROOVY-9060?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Sun resolved GROOVY-9060.
--------------------------------
Resolution: Fixed
Fixed by https://github.com/apache/groovy/commit/5c8f08633a320be8836a249d577a549fe5966b76
> Make the initial capacity of LinkedHashMap be power of 2 for better performance
> -------------------------------------------------------------------------------
>
> Key: GROOVY-9060
> URL: https://issues.apache.org/jira/browse/GROOVY-9060
> Project: Groovy
> Issue Type: Improvement
> Reporter: Daniel Sun
> Assignee: Daniel Sun
> Priority: Major
> Fix For: 3.0.0-beta-1
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> {\{LinkedHashMap}} is a subclass of \{{HashMap}}, so its initial capacity should be power of 2 too.
> SEE: [https://stackoverflow.com/questions/8352378/why-does-hashmap-require-that-the-initial-capacity-be-a-power-of-two]
>
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