You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@spark.apache.org by "Kazuaki Ishizaki (JIRA)" <ji...@apache.org> on 2017/03/01 14:03:45 UTC

[jira] [Updated] (SPARK-19786) Facilitate loop optimizations in a JIT compiler regarding range()

     [ https://issues.apache.org/jira/browse/SPARK-19786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kazuaki Ishizaki updated SPARK-19786:
-------------------------------------
    Summary: Facilitate loop optimizations in a JIT compiler regarding range()  (was: Facilitate loop optimization in a JIT compiler regarding range())

> 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
>
> [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.



--
This message was sent by Atlassian JIRA
(v6.3.15#6346)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org