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

[Dmitriy Lyubimov (JIRA)]

Dmitriy Lyubimov created MAHOUT-1736:
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             Summary: 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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