Is there any updates on the JIT work from 2014 to help speed up raw performance of Erlang?
[1] http://www.erlang-factory.com/static/upload/media/1402914329...
Yes. The news is basically "still in the roadmap, we got a bit more of time budget from it" from the OTP team. It is not something you will see tomorrow, but it is a long standing thing in the roadmap for the team.
Of course, if you want to sponsorise the work...
Add in the supervision tree structure and you end up trading "super fast" for "very fast, consistent and runs forever"