[ARROW-9794] [C++] Add functionality to cpu_info to discriminate between Intel vs AMD x86

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/25840
• Assignee: Frank Du
• Reporter: Micah Kornfield
• Created: 19/Aug/20 04:44
• Updated: 11/Jan/23 08:09
• Resolved: 02/Sep/20 13:34

Description

This is needed to do runtime dispatches for places where pext/pdep can be used.  These perform poorly on AMD.

Issue Links

• links to: GitHub Pull Request #8093