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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HAMA-123) Add block option to random_mapred()
Date Fri, 05 Dec 2008 02:56:44 GMT

     [ https://issues.apache.org/jira/browse/HAMA-123?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Edward J. Yoon resolved HAMA-123.
---------------------------------

    Resolution: Invalid

Oh.. after more thinking, it seems not simply good.

> Add block option to random_mapred()
> -----------------------------------
>
>                 Key: HAMA-123
>                 URL: https://issues.apache.org/jira/browse/HAMA-123
>             Project: Hama
>          Issue Type: Improvement
>          Components: implementation
>    Affects Versions: 0.1.0
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.1.0
>
>
> I think,... random matrix won't updated. so, it would be nice if we have a 'blocking'
option. (from the beginning)
>   /**
>    * Generate matrix with random elements using Map/Reduce
>    * 
>    * @param conf configuration object
>    * @param m the number of rows.
>    * @param n the number of columns.
>    * @param block create the blocked dense matrix if true
>    * @return an m-by-n matrix with uniformly distributed random elements.
>    * @throws IOException
>    */
>   public static DenseMatrix random_mapred(HamaConfiguration conf, int m, int n, boolean
block) throws IOException;

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