So after scouring through all previous forum posts, I still can't seem to find a clear answer on how Proxmox actually deal with Numa nodes.
My setup
Epyc 7663 56c112t (yes it might be a bit unoptimal, I will try to switch to a 7b13 with full 64c128t later)
8x64gb ddr4 512gb total
BIOS set to...