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Posted to issues@spark.apache.org by "Marco Gaido (JIRA)" <ji...@apache.org> on 2017/12/01 09:11:00 UTC

[jira] [Created] (SPARK-22669) Avoid unnecessary function calls in code generation

Marco Gaido created SPARK-22669:
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             Summary: 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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