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https://issues.apache.org/jira/browse/MAHOUT-963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryce Nyeggen updated MAHOUT-963:
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Attachment: MAHOUT-963.diff
Switches from selection sort to comb sort.
> GenericUserPreferenceArray and GenericItemPreferenceArray use selection sorts
> -----------------------------------------------------------------------------
>
> Key: MAHOUT-963
> URL: https://issues.apache.org/jira/browse/MAHOUT-963
> Project: Mahout
> Issue Type: Bug
> Components: Collaborative Filtering
> Affects Versions: 0.6
> Reporter: Bryce Nyeggen
> Assignee: Sean Owen
> Fix For: 0.6
>
> Attachments: MAHOUT-963.diff
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Both PreferenceArray implementations use selection sorts with poor
> performance. These sorts are invoked during construction of
> GenericDataModels, causing excessive construction time.
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