I recently deployed a tiny Haskell app with docker, using "scratch-haskell" as a base image. Then I read about Unikernels and HALVM. And I got a little confused. My docker container is about 6MB ...

I don't quite understand what eg HaLVM or similar technologies do in terms of (OS) threads. I understand that when compiling code with the option -threaded then the Haskell multithreaded RTS will ...