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Posted to dev@mahout.apache.org by "Sebastian Schelter (JIRA)" <ji...@apache.org> on 2014/03/03 22:56:22 UTC

[jira] [Resolved] (MAHOUT-1429) Parallelize YtransposeY in ImplicitFeedbackAlternatingLeastSquaresSolver

     [ https://issues.apache.org/jira/browse/MAHOUT-1429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebastian Schelter resolved MAHOUT-1429.
----------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.0
         Assignee: Sebastian Schelter

Committed, thank you for the nice contribution

> Parallelize YtransposeY in ImplicitFeedbackAlternatingLeastSquaresSolver
> ------------------------------------------------------------------------
>
>                 Key: MAHOUT-1429
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1429
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Collaborative Filtering
>    Affects Versions: 0.9
>            Reporter: Adam Ilardi
>            Assignee: Sebastian Schelter
>            Priority: Minor
>              Labels: newbie, patch, performance
>             Fix For: 1.0
>
>         Attachments: MAHOUT-1429.patch
>
>
> I wrote a simple patch to do the calculation in parallel. It could be better but it gets the job done. Is there some other (Matrix transpose dot matrix) code in mahout that is already parallel? I will reuse that if it exists.  



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