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Posted to dev@giraph.apache.org by "Alessandro Presta (JIRA)" <ji...@apache.org> on 2013/09/12 01:43:51 UTC

[jira] [Resolved] (GIRAPH-753) Efficient dense matrix aggregators

     [ https://issues.apache.org/jira/browse/GIRAPH-753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alessandro Presta resolved GIRAPH-753.
--------------------------------------

    Resolution: Fixed
    
> Efficient dense matrix aggregators
> ----------------------------------
>
>                 Key: GIRAPH-753
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-753
>             Project: Giraph
>          Issue Type: New Feature
>            Reporter: Herald Kllapi
>         Attachments: GIRAPH-753.patch, GIRAPH-753-r2.patch, GIRAPH-753-r3.patch, GIRAPH-753-r4.patch, GIRAPH-753-r5.patch
>
>
> In applications where a matrix is needed, is not efficient to have an aggregator per entry. This update provides the same functionality with an aggregator per matrix row. This implementation uses an array per row and is efficient when the matrices are dense.

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