While Java just does a thread local pointer bump, which will still be more efficient, and closer to stack allocation. Of course you can optimize better with Ru

While Java just does a thread local pointer bump, which will still be more efficient, and closer to stack allocation. Of course you can optimize better with Rust/CPP/etc, but it is not trivial and you definitely not get it out of the box for free. My point is, this is a bit overblown how much overhead java has.