[regi]

We often forget that even though this common problem of replacing callbacks is getting more critical and urgent, people already thought about it and gave some solutions. Maybe not in higher level languages (although I think Go does a great job there). In C, I have in mind glibc's ucontext for example. I'm trying to improve that through rinoo. So to answer your question, if you look at the wiki section you'll see test results I've done running 20,000 Actors. Of course, once you handle "actors" correctly (which should definitely be called fiber) you shouldn't use that many Threads (if too many you'll end up spending most CPU cycles scheduling your threads). However, rinoo handles multi-threading as well. I'm currently writing doc about it.