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https://issues.apache.org/jira/browse/SPARK-22669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16274388#comment-16274388
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Apache Spark commented on SPARK-22669:
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User 'mgaido91' has created a pull request for this issue:
https://github.com/apache/spark/pull/19860
> Avoid unnecessary function calls in code generation
> ---------------------------------------------------
>
> Key: SPARK-22669
> URL: https://issues.apache.org/jira/browse/SPARK-22669
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Marco Gaido
>
> In many parts of the codebase for code generation, we are splitting the code
> to avoid exceptions due to the 64KB method size limit. This is generating a
> lot of methods which are called every time, even though sometime this is not
> needed. As pointed out here:
> https://github.com/apache/spark/pull/19752#discussion_r153081547, this is a
> not negligible overhead which can be avoided.
> In this JIRA, I propose to use the same approach throughout all the other
> cases, when possible. I am going to submit a PR soon.
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