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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] Created: (HAMA-123) Add block option to random_mapred()
Date Fri, 05 Dec 2008 02:48:44 GMT
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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