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Posted to issues@spark.apache.org by "Takeshi Yamamuro (Jira)" <ji...@apache.org> on 2019/09/06 12:38:00 UTC
[jira] [Updated] (SPARK-29008) Define an individual method for each
common subexpression in HashAggregateExec
[ https://issues.apache.org/jira/browse/SPARK-29008?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Takeshi Yamamuro updated SPARK-29008:
-------------------------------------
Environment: (was: In the current master, the common subexpr elimination code in HashAggregateExec is expanded in a single method: [https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/execution/aggregate/HashAggregateExec.scala#L397]
This method size can be too big for JIT, so we can define an individual method for each common subexpression.)
> Define an individual method for each common subexpression in HashAggregateExec
> ------------------------------------------------------------------------------
>
> Key: SPARK-29008
> URL: https://issues.apache.org/jira/browse/SPARK-29008
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Takeshi Yamamuro
> Priority: Major
>
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