Github user gatorsmile commented on the issue:
https://github.com/apache/spark/pull/21777
@maropu Based on my understanding, the bytecodes generated by these two
compilers are different. That is why the performance should be different.
Previously, I expected the bytecodes generated by JDK compiler can be better
optimized by JIT, compared with the one generated by Janino. Maybe our JVM
internal experts @kiszk and @rednaxelafx can give more guidance.
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