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https://issues.apache.org/jira/browse/CALCITE-3891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17073348#comment-17073348
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neoremind commented on CALCITE-3891:
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[~hyuan] I am curious what tool did you use to generate the graph? I've made a
similar check by using flame graph, see attachment in
https://issues.apache.org/jira/browse/CALCITE-3873 . Correct me if I am wrong,
the "flat roof" might be what to be paid more attention, the sampling I made
seems does not catch RelTraitSet#matches.
> Remove use of Pair.zip in RelTraitSet.satisfies
> -----------------------------------------------
>
> Key: CALCITE-3891
> URL: https://issues.apache.org/jira/browse/CALCITE-3891
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Haisheng Yuan
> Assignee: Chunwei Lei
> Priority: Major
> Attachments: image-2020-04-01-19-05-58-306.png
>
>
> It accounts too much time of the method, even this is a tiny portion overall.
> !image-2020-04-01-19-05-58-306.png!
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