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From "Suneel Marthi (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (MAHOUT-1737) H20 implementation of AewUnaryFunc physical operator
Date Fri, 07 Aug 2015 15:56:48 GMT

     [ https://issues.apache.org/jira/browse/MAHOUT-1737?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suneel Marthi closed MAHOUT-1737.
---------------------------------

> H20 implementation of AewUnaryFunc physical operator
> ----------------------------------------------------
>
>                 Key: MAHOUT-1737
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1737
>             Project: Mahout
>          Issue Type: Improvement
>    Affects Versions: 0.10.1
>            Reporter: Dmitriy Lyubimov
>            Assignee: Anand Avati
>             Fix For: 0.10.2
>
>
> this physical operator allows to optimize elementwise expressions like 
> `dlog(X * X) + 1` where elementwise function compositions are detected and fused into
one physical operator by logical optimizer. 
> This is an essential support.



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