FWIW, I think Erlang gained SMP-support at least ten years ago. And running multiple Erlang VMs on one machine - from the Erlang application's perspective - is

FWIW, I think Erlang gained SMP-support at least ten years ago. And running multiple Erlang VMs on one machine - from the Erlang application's perspective - is no different from running them on several machines. The really nice thing about Erlang is that it scales across multiple nodes very smoothly.