> which more conventional scripting languages (e.g. Python, Ruby, PHP, ...) fall down at thanks to the various global interpreter locks For what it's worth, ea

> which more conventional scripting languages (e.g. Python, Ruby, PHP, ...) fall down at thanks to the various global interpreter locks For what it's worth, each instance of the new "Ractor" concurrency primitive in Ruby 3 has its own interpreter lock: https://docs.ruby-lang.org/en/master/doc/ractor_md.html https://docs.ruby-lang.org/en/master/doc/ractor_md.html