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Posted to dev@mahout.apache.org by "Dmitriy Lyubimov (JIRA)" <ji...@apache.org> on 2015/06/11 00:24:00 UTC

[jira] [Updated] (MAHOUT-1737) H20 implementation of AewUnaryFunc physical operator

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

Dmitriy Lyubimov updated MAHOUT-1737:
-------------------------------------
    Affects Version/s: 0.10.1
        Fix Version/s: 0.10.2
             Assignee: Anand Avati

> 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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