Ryzen, NPT, KVM and PCI-E Passthrough

Has anyone figured out how to make a Windows 10 guest use more than one core with npt=0? If so, how did you do it?

Have you tried the solutions discussed here? --> https://www.reddit.com/r/VFIO/comments/69od5p/ryzen_setup_vm_only_got_one_core_when_npt0/dh8iz3s/