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https://issues.apache.org/jira/browse/MAHOUT-34?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12588174#action_12588174
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Karl Wettin commented on MAHOUT-34:
-----------------------------------

I'm also thinking we should perhaps re-use the Element instance in 
iterator.next? Iterator a matrix of 5000 instance with 40000 features each 
would be instantiating 200,000,000 Elements. I'm sure the JVM pools that, but 
we can always help it.

I thinks it's OK if it is a documented caveat.

> Iterator interface for Vectors
> ------------------------------
>
>                 Key: MAHOUT-34
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-34
>             Project: Mahout
>          Issue Type: New Feature
>            Reporter: Samee Zahur
>            Assignee: Karl Wettin
>         Attachments: VectorIterator.3.patch.bz2, 
> VectorIterator.patch.2.tar.bz2, VectorIterator.patch.tar.bz2
>
>
> Implemented an Iterator interface for the Vector classes. Was necessary for 
> porting from Float[] used in some parts of the code.

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