[jira] [Resolved] (SPARK-18223) Optimise PartitionedAppendOnlyMap implementation

["Sean Owen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-18223?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Owen resolved SPARK-18223.
-------------------------------
    Resolution: Duplicate

Let's put these changes together because they're virtually identical.

> Optimise PartitionedAppendOnlyMap implementation
> ------------------------------------------------
>
>                 Key: SPARK-18223
>                 URL: https://issues.apache.org/jira/browse/SPARK-18223
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 1.6.2, 2.0.1
>            Reporter: Adam Roberts
>            Priority: Minor
>
> We can improve the PartitionedAppendOnlyMap implementation by taking advantage of of comparator wrapping, we have observed a 3% performance increase with both IBM's SDK for Java and OpenJDK on PageRank due to the inlining benefit
> HiBench large used, pull request to follow



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