Is this project still alive?
Hack is using workarounds because ocaml doesn’t have embedded multicore support. See:
- https://www.youtube.com/watch?v=uXuYVUdFY48&t=0s&list=WL&index=28
- hhvm/hphp/hack/src/heap/hh_shared.c at master · facebook/hhvm · GitHub
- A parallel and shared memory library based on Hack's implementation
There was an article about this shared memory system too, but I can’t find it.