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Posted to dev@giraph.apache.org by "Jake Mannix (JIRA)" <ji...@apache.org> on 2011/09/09 08:29:08 UTC

[jira] [Commented] (GIRAPH-28) Introduce new primitive-specific MutableVertex subclasses

    [ https://issues.apache.org/jira/browse/GIRAPH-28?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13101021#comment-13101021 ] 

Jake Mannix commented on GIRAPH-28:
-----------------------------------

This is a toy version of LongDoubleFloatDoubleVertex, a proof of concept that you can get "SimplePageRankVertex extends LongDoubleFloatDoubleVertex" to pass its current unit tests without subclassing Vertex (and only using primitives internally!)

> Introduce new primitive-specific MutableVertex subclasses
> ---------------------------------------------------------
>
>                 Key: GIRAPH-28
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-28
>             Project: Giraph
>          Issue Type: New Feature
>          Components: graph
>    Affects Versions: 0.70.0
>            Reporter: Jake Mannix
>         Attachments: GIRAPH-28.diff
>
>
> As discussed on the list, MutableVertex<LongWritable,DoubleWritable,FloatWritable,DoubleWritable> (for example) could be highly optimized in its memory footprint if the vertex and edge data were held in a form which minimized Java object usage.

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