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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-500) Add random matrix generator.
Date Sun, 08 Jul 2012 04:56:34 GMT

    [ https://issues.apache.org/jira/browse/HAMA-500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13408847#comment-13408847
] 

Edward J. Yoon commented on HAMA-500:
-------------------------------------

Mikalai,

I looked over your SpMV description and implementation (LAMath, Compressed Sparse Row/Column
formats, ..., etc), and very good to me! But, have you seen this guy's comment? 

https://twitter.com/dapurv5/status/218340579594084352

Please consider to use 'MapFile' for storing matrices.

{quote}
Or it will be better not to commit this version until matrix package will be tested enough?
{quote}

In my opinion, patching matrix generator and format classes here separately is better.
                
> Add random matrix generator.
> ----------------------------
>
>                 Key: HAMA-500
>                 URL: https://issues.apache.org/jira/browse/HAMA-500
>             Project: Hama
>          Issue Type: New Feature
>          Components: bsp core, examples
>    Affects Versions: 0.5.0
>            Reporter: Edward J. Yoon
>            Assignee: Mikalai Parafeniuk
>              Labels: newbie
>             Fix For: 0.6.0
>
>         Attachments: HAMA-500.patch
>
>
> In this issue, we add random matrix generator to produce large data sets that can be
used for graph or matrix examples. This can be implemented using BSP job.
> It'd be nice if sparsity, symmetry, and size can be configurable via the command line.

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