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Posted to issues@spark.apache.org by "Cheng Su (Jira)" <ji...@apache.org> on 2020/08/31 05:56:00 UTC

[jira] [Commented] (SPARK-32751) Add code-gen for ObjectHashAggregateExec

    [ https://issues.apache.org/jira/browse/SPARK-32751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17187446#comment-17187446 ] 

Cheng Su commented on SPARK-32751:
----------------------------------

Just FYI - will raise a PR in next couple of weeks. Thanks.

> Add code-gen for ObjectHashAggregateExec
> ----------------------------------------
>
>                 Key: SPARK-32751
>                 URL: https://issues.apache.org/jira/browse/SPARK-32751
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: Cheng Su
>            Priority: Minor
>
> Object hash aggregate is useful when aggregate function is not supported by hash aggregate, and hash aggregate has codegen long time ago. Do not see a strong reason why we don't have object hash aggregate. Create this Jira to add codegen for object hash aggregate for better CPU execution performance.



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