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Posted to dev@mahout.apache.org by "Adam Ilardi (JIRA)" <ji...@apache.org> on 2014/03/03 17:27:24 UTC

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

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

Adam Ilardi updated MAHOUT-1429:
--------------------------------

    Attachment: MAHOUT-1429.patch

> 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
>            Priority: Minor
>              Labels: newbie, patch, performance
>         Attachments: MAHOUT-1429.patch
>
>
> I wrote a simple patch to do the calculation in threads. 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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