[ARROW-17436] [C++] Use -O2, not -O3, for release/optimized builds

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 10.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/32703
• Assignee: Antoine Pitrou
• Reporter: Antoine Pitrou
• Created: 16/Aug/22 17:09
• Updated: 11/Jan/23 11:50
• Resolved: 17/Aug/22 07:18

Description

-O3 can produce longer build times and larger binaries for next to no performance benefits.
We should perhaps tune down the optimization level to -O2 on non-MSVC compilers.

Issue Links

• links to: GitHub Pull Request #13661