Comment by loeg
4 hours ago
There are real practical implications of both the producer and consumer mutating the same cache line to take a lock that is fundamentally avoided by this "lock-free" design. It isn't meaningless.
4 hours ago
There are real practical implications of both the producer and consumer mutating the same cache line to take a lock that is fundamentally avoided by this "lock-free" design. It isn't meaningless.
That only explains the last stage. In order to steelman the mutex alternative, everything before "further optimization" should have used 2 critical sections. That would give a realistic baseline.
I don’t understand what you’re getting at.