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Posted to jira@arrow.apache.org by "Uwe Korn (Jira)" <ji...@apache.org> on 2021/04/11 17:52:00 UTC

[jira] [Commented] (ARROW-12316) [C++] Switch default memory allocator from jemalloc to mimalloc

    [ https://issues.apache.org/jira/browse/ARROW-12316?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17318907#comment-17318907 ] 

Uwe Korn commented on ARROW-12316:
----------------------------------

[~npr] Where can I find these benchmarks?

> [C++] Switch default memory allocator from jemalloc to mimalloc
> ---------------------------------------------------------------
>
>                 Key: ARROW-12316
>                 URL: https://issues.apache.org/jira/browse/ARROW-12316
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Neal Richardson
>            Priority: Major
>             Fix For: 4.0.0
>
>
> Benchmarking shows that mimalloc seems to be faster on real workflows (at least on macOS, still collecting data on Ubuntu). We could switch the default memory pool cases so that mimalloc is preferred. 
> cc [~jonkeane] [~apitrou]



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