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From "Thomas Jungblut (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HAMA-500) Add random matrix generator.
Date Fri, 13 Apr 2012 10:26:13 GMT

    [ https://issues.apache.org/jira/browse/HAMA-500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13253266#comment-13253266

Thomas Jungblut commented on HAMA-500:

It would be beneficial to put mahout-math to the examples pom first. We are going to later
extract a math package once we have enough "content" / examples. 

Here is the link to the repository.

But sadly I don't know if they contain the Writables that are needed to use in peer.write().
Currently you are filling a static array which will not be possible in clustering mode, so
maybe we can decompose the matrix to row or column vectors and write them. Have a look if
VectorWritable is included in mahout-math.
> Add random matrix generator.
> ----------------------------
>                 Key: HAMA-500
>                 URL: https://issues.apache.org/jira/browse/HAMA-500
>             Project: Hama
>          Issue Type: New Feature
>          Components: bsp, examples
>            Reporter: Edward J. Yoon
>            Assignee: Mikalai Parafeniuk
>              Labels: newbie
>         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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