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Posted to notifications@groovy.apache.org by "John Wagenleitner (JIRA)" <ji...@apache.org> on 2016/04/23 06:43:12 UTC
[jira] [Closed] (GROOVY-7822) CLONE - Redundant computation in
ObservableSet
[ https://issues.apache.org/jira/browse/GROOVY-7822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
John Wagenleitner closed GROOVY-7822.
-------------------------------------
Resolution: Fixed
Assignee: John Wagenleitner
Fix Version/s: 2.4.7
> CLONE - Redundant computation in ObservableSet
> ----------------------------------------------
>
> Key: GROOVY-7822
> URL: https://issues.apache.org/jira/browse/GROOVY-7822
> Project: Groovy
> Issue Type: Bug
> Components: groovy-runtime
> Affects Versions: 2.4.6
> Reporter: John Wagenleitner
> Assignee: John Wagenleitner
> Fix For: 2.4.7
>
>
> There appears to be redundant computaions in "ObservableList.retainAll"
> methods in version 2.4.6. I have attached a test and proposed a small
> patch which ensures that "contains" method is called on hashset of
> input collection. This patch gives 1739X speed up on my
> machine for the provided test.
> Also, one more possibility to fix the issue is by using TreeSet as suggested in
> https://issues.apache.org/jira/browse/GROOVY-5739 as well.
> Similar patches can be applied for three other methods, ObservableList.removeAll, ObservableSet.retainAll, ObservableSet.removeAll.
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