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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2021/02/08 13:13:00 UTC
[jira] [Resolved] (ARROW-11490) [C++]
BM_ArrowBinaryDict/EncodeLowLevel is not deterministic
[ https://issues.apache.org/jira/browse/ARROW-11490?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Antoine Pitrou resolved ARROW-11490.
------------------------------------
Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 9411
[https://github.com/apache/arrow/pull/9411]
> [C++] BM_ArrowBinaryDict/EncodeLowLevel is not deterministic
> ------------------------------------------------------------
>
> Key: ARROW-11490
> URL: https://issues.apache.org/jira/browse/ARROW-11490
> Project: Apache Arrow
> Issue Type: Bug
> Components: Benchmarking, C++
> Reporter: Weston Pace
> Assignee: Weston Pace
> Priority: Trivial
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> This benchmark is pretty unreliable if you run more than one iteration. Even though it is setting a constant seed each time it is not clearing the old values from the previous runs and so it ends up running on different data each iteration which can have drastically different results.
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