[ARROW-10598] [C++] Improve performance of GenerateBitsUnrolled

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/26559
• Assignee: Wes McKinney
• Reporter: Wes McKinney
• Created: 15/Nov/20 16:03
• Updated: 11/Jan/23 08:14
• Resolved: 19/Nov/20 22:53

Description

internal::GenerateBitsUnrolled doesn't vectorize too well, there are some improvements we can make to get better code generation

Issue Links

• links to: GitHub Pull Request #8671