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Posted to dev@mahout.apache.org by "Dmitriy Lyubimov (JIRA)" <ji...@apache.org> on 2015/06/18 21:26:03 UTC

[jira] [Updated] (MAHOUT-1736) H20 implementation for allreduceBlock

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

Dmitriy Lyubimov updated MAHOUT-1736:
-------------------------------------
    Sprint: Sprint 1

> 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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