Looking at the patch between 5.15.0-43-generic and 5.15.0-46-generic, I saw that some mitigations were introduced. Even though my colleague indicated he had already determined that mitigations=off did not help, I decided it was worth double checking.
Using mitigations=off with today's daily server build brings the time down from 84 seconds to 22 seconds. Will investigate more tomorrow with production versions, but I suspect the previous mitigations=off experiment had some element of human error. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2083077 Title: python3 counting 6x slowdown with ubuntu22 on cisco ucs hardware with hyperthreading To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2083077/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
