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https://issues.apache.org/jira/browse/ARROW-12565?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yibo Cai resolved ARROW-12565.
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    Resolution: Not A Problem

Turns out {{FilterRecordBatch*/100/*}} benchmarks have high variance. Run the 
test several times will see big difference.
The filter kernel performance regression (and improvement) is not true.

> [C++][Compute] Investigate filter kernel performance regression
> ---------------------------------------------------------------
>
>                 Key: ARROW-12565
>                 URL: https://issues.apache.org/jira/browse/ARROW-12565
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Yibo Cai
>            Assignee: Yibo Cai
>            Priority: Major
>
> ARROW-11990 refines kernel error handling. Most kernels performance are not 
> affected. Scalar arithmetic kernels are improved. But some filter kernel 
> performance drops after the refinement. There may be something deserves 
> deeper investigation.



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