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Posted to dev@mahout.apache.org by "Suneel Marthi (JIRA)" <ji...@apache.org> on 2014/03/02 21:19:30 UTC

[jira] [Updated] (MAHOUT-1257) performance improvement to LogLikehood

     [ https://issues.apache.org/jira/browse/MAHOUT-1257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Suneel Marthi updated MAHOUT-1257:
----------------------------------

    Resolution: Won't Fix
        Status: Resolved  (was: Patch Available)

> performance improvement to LogLikehood
> --------------------------------------
>
>                 Key: MAHOUT-1257
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1257
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Math
>            Reporter: Mike Sokolov
>             Fix For: Backlog
>
>         Attachments: MAHOUT-1257.patch
>
>
> This patch reduces the amount of computation required for LLR. It simplifies the math by canceling terms.  In a microbenchmark we saw an 18% run time improvement.
> I couldn't seem to find the UI for uploading a patch file.



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