Hi, It depends on the workload. I'd have thought for most things the max > really usable at the moment is probably somewhere in the region of 4-8 > cpu cores before kernel locking gets in the way too much. > > FWIW sparc64 ports builds are now done on T4 and they're really fast. > I think (but am not 100% sure) that this is carved into ldoms so the > number of cores visible to each OpenBSD instance is limited (so > contention between cores in the kernel is also limited). > > Up to how many cores will it be guaranteed that kernel locking 'will not get too much in the way' for hardware running a single instance of OpenBSD under heavy workload?
Kind Regards, Kihaguru.