To clarify my point: an AMD64 CPU could still run in 32-bit mode, if the customer preferred. Much later, the x86_32 ABI work also retained small pointer sizes w

To clarify my point: an AMD64 CPU could still run in 32-bit mode, if the customer preferred. Much later, the x86_32 ABI work also retained small pointer sizes while providing additional benefits. Whereas there is no way for a customer to fully "unNUMA" an MCM CPU.