std::mutex is rarely used. In libc++ for example it was just pthread_mutex_t. So it's not different from just benchmarking pthread. I was talking about the wai

std::mutex is rarely used. In libc++ for example it was just pthread_mutex_t. So it's not different from just benchmarking pthread. I was talking about the wait() and notify_one() member functions for std::atomic. See https://en.cppreference.com/w/cpp/atomic/atomic/wait https://en.cppreference.com/w/cpp/atomic/atomic/wait and https://en.cppreference.com/w/cpp/atomic/atomic/notify_one https://en.cppreference.com/w/cpp/atomic/atomic/notify_one