Github user viirya commented on the pull request:
https://github.com/apache/spark/pull/11647#issuecomment-195302187
I was measuring the time to finish the code snippet shown in pr
description. But I think I should only measure the time spent on `val actual =
Optimize.execute(plan)`.
Let me update it:
With this patch:
84362 microseconds
84075 microseconds
86192 microseconds
Without this patch:
492139 microseconds
503386 microseconds
463162 microseconds
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