Setting to incomplete, since the fact that spectre, ssb and l1tf mitigations are expensive (and utterly so for some workloads) is well documented and well known, and there is nothing we can suggest unless we know the under-the-hood details of the affected workload.
** Changed in: intel-microcode (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1789719 Title: severe performance issue after intel-microcode update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1789719/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs