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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (MAHOUT-35) Benchmark performance of Vector.iterator() when reusing Element instances.
Date Thu, 19 Nov 2009 00:51:39 GMT

     [ https://issues.apache.org/jira/browse/MAHOUT-35?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Owen resolved MAHOUT-35.
-----------------------------

       Resolution: Fixed
    Fix Version/s: 0.2

Looks like this was long since fixed -- I see reuse of Element in the code already.

> Benchmark performance of Vector.iterator() when reusing Element instances.
> --------------------------------------------------------------------------
>
>                 Key: MAHOUT-35
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-35
>             Project: Mahout
>          Issue Type: Task
>          Components: Matrix
>            Reporter: Karl Wettin
>            Assignee: Karl Wettin
>             Fix For: 0.2
>
>
> Currently a new instance of Vector.Element is created for each call to iterator.next().
The JVM pools this but we can always help it out.
> See MAHOUT-34 comments.

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