It doesn't. It, hopefully, alleviates you from counting on explicit thread numbers and threadpool mamagement - offsetting those to the OS, which presumably know

It doesn't. It, hopefully, alleviates you from counting on explicit thread numbers and threadpool mamagement - offsetting those to the OS, which presumably knows better since it has a larger scope picture of what is going on in the system. Basically a threadpool as any other, but managed by the OS - not you.