DragonFlyBSD's Meltdown Fix Causing More Slowdowns Than Linux
Written by Michael Larabel in Operating Systems on 7 January 2018 at 04:06 PM EST. Page 3 of 5. 37 Comments.
The PostMark performance also dropped heavily with machdep.isolated_user_pmap enabled on both systems.
Fortunately, in many of the pure CPU benchmarks, the performance didn't change all that much.