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https://issues.apache.org/jira/browse/SPARK-19786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Herman van Hovell resolved SPARK-19786.
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Resolution: Fixed
Assignee: Kazuaki Ishizaki
Fix Version/s: 2.2.0
> Facilitate loop optimizations in a JIT compiler regarding range()
> -----------------------------------------------------------------
>
> Key: SPARK-19786
> URL: https://issues.apache.org/jira/browse/SPARK-19786
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.2.0
> Reporter: Kazuaki Ishizaki
> Assignee: Kazuaki Ishizaki
> Fix For: 2.2.0
>
>
> [This
> article|https://databricks.com/blog/2017/02/16/processing-trillion-rows-per-second-single-machine-can-nested-loop-joins-fast.html]
> suggests that better generated code can improve performance by facilitating
> compiler optimizations.
> This JIRA changes the generated code for {{range()}} to facilitate loop
> optimizations in a JIT compiler for achieving better performance.
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