x86 memory models & std::memory_order

https://bartoszmilewski.com/2008/11/05/who-ordered-memory-fences-on-an-x86/

https://bartoszmilewski.com/2008/11/11/who-ordered-sequential-consistency/

https://www.justsoftwaresolutions.co.uk/threading/memory_models_and_synchronization.html

https://bartoszmilewski.com/2008/08/04/multicores-and-publication-safety/

https://bartoszmilewski.com/2008/12/01/c-atomics-and-memory-ordering/

https://www.justsoftwaresolutions.co.uk/threading/petersons_lock_with_C++0x_atomics.html

https://bartoszmilewski.com/2008/12/23/the-inscrutable-c-memory-model/

https://stackoverflow.com/questions/9553591/c-stdatomic-what-is-stdmemory-order-and-how-to-use-them