On Thu, 27 Jun 2019, Ricardo Neri wrote: > By measuring the execution time of mtrr_aps_init() (from which MTRRs > in all CPUs are programmed in lock-step at boot), I find savings in the > time required to program MTRRs as follows: > > Platform time-with-wbinvd(ms) time-no-wbinvd(ms) > 104-core (208 LP) Skylake 1437 28 > 2-core (4 LP) Haswell 114 2
Impressive!