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 

> 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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