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https://issues.apache.org/jira/browse/SPARK-16043?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15851471#comment-15851471
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Hyukjin Kwon commented on SPARK-16043:
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(maybe would be great if this one is checked too per
https://github.com/apache/spark/pull/13758#issuecomment-269589087)
> Prepare GenericArrayData implementation specialized for a primitive array
> -------------------------------------------------------------------------
>
> Key: SPARK-16043
> URL: https://issues.apache.org/jira/browse/SPARK-16043
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Kazuaki Ishizaki
>
> There is a ToDo of GenericArrayData class, which is to eliminate
> boxing/unboxing for a primitive array (described
> [here|https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/GenericArrayData.scala#L31])
> It would be good to prepare GenericArrayData implementation specialized for a
> primitive array to eliminate boxing/unboxing from the view of runtime memory
> footprint and performance.
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