pitrou commented on pull request #11674: URL: https://github.com/apache/arrow/pull/11674#issuecomment-971563456
That said, I agree with @lidavidm : this may not be worth it. I experimented locally and it's not easy to do this without making performance suffer. My original intuition was that the CPU could easily parallelize popcounts with the load/stores and logical operations, but that seems to depend on compiler optimizations quite a bit. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
