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https://issues.apache.org/jira/browse/ARROW-12316?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neal Richardson resolved ARROW-12316.
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Resolution: Fixed
Issue resolved by pull request 10015
[https://github.com/apache/arrow/pull/10015]
> [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
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> 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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