[zzzcpan]

There are languages, like Pony [1], that use actor model for the sort of high performance you are talking about. Also check out Anna paper, there is a description and argumentation on how and why they use actor model in C++ for high throughput.

I would also say that performance wise actor model is usually better, than low level shared memory multithreading, because it enforces locality-friendly contention-free architecture and fundamentally maps better to modern hardware.

[1] https://www.ponylang.org/

[2] http://db.cs.berkeley.edu/jmh/papers/anna_ieee18.pdf

[syeaj]

Thanks for addressing the latter point. I forgot to draw that distinction. That's a curious point, however, and I'll have to check that out more for myself as you suggest.

[ddorian43]

See seastar framework for c++