Erlang's scheduler is not sophisticated, which is what makes it AWESOME.

but yeah. i would be surprised if the JVM's scheduler is not more sophisticated than go's if for no other reason than it has way more knobs you can tune. you know they put that knob in there because someone (probably Google cough cough) asked for it

The missing part is that if what is in box isn't enough, both JVM and CLR allow you to fully customise how the scheduling algorithm works.