Just a quick post to a nice presentation on relaxed atomics by Hans Boehm and Paul McKenney
https://www.youtube.com/watch?v=cWkUqK71DZ0
Very instructive if you are designing locks or lock-free code.
Full PRD here http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2020/p2055r0.pdf
