[ARROW-12316] [C++] Switch default memory allocator from jemalloc to mimalloc on macOS

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/28118
• Assignee: Antoine Pitrou
• Reporter: Neal Richardson
• Created: 09/Apr/21 17:35
• Updated: 11/Jan/23 08:25
• Resolved: 13/Apr/21 19:55

Description

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

Issue Links

• links to: GitHub Pull Request #10015