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From "Suneel Marthi (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (MAHOUT-1736) H20 implementation for allreduceBlock
Date Fri, 07 Aug 2015 15:56:52 GMT

     [ https://issues.apache.org/jira/browse/MAHOUT-1736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suneel Marthi closed MAHOUT-1736.
---------------------------------

> H20 implementation for allreduceBlock
> -------------------------------------
>
>                 Key: MAHOUT-1736
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1736
>             Project: Mahout
>          Issue Type: Improvement
>    Affects Versions: 0.10.1
>            Reporter: Dmitriy Lyubimov
>            Assignee: Anand Avati
>             Fix For: 0.10.2
>
>
> allreduce aggregator on matrix blocks: 
> {code}
>  override def allreduceBlock[K: ClassTag](drm: CheckpointedDrm[K], bmf: BlockMapFunc2[K],
rf: BlockReduceFunc)
>   : Matrix = ???
> {code}
> This is pretty important for custom aggregated statistics



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