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Posted to dev@mahout.apache.org by "Andrew Palumbo (JIRA)" <ji...@apache.org> on 2015/03/06 02:22:40 UTC
[jira] [Updated] (MAHOUT-1578) Optimizations in matrix
serialization
[ https://issues.apache.org/jira/browse/MAHOUT-1578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrew Palumbo updated MAHOUT-1578:
-----------------------------------
Labels: legacy (was: )
> Optimizations in matrix serialization
> -------------------------------------
>
> Key: MAHOUT-1578
> URL: https://issues.apache.org/jira/browse/MAHOUT-1578
> Project: Mahout
> Issue Type: Improvement
> Components: Math
> Reporter: Sebastian Schelter
> Labels: legacy
> Fix For: 1.0
>
>
> MatrixWritable contains inefficient code in a few places:
>
> * type and size are stored with every vector, although they are the same for every vector
> * in some places vectors are added to the matrix via assign() in places where we could directly use the instance
>
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