I really don't feel it is appropriate to use the term "lock free" to refer to an algorithm that requires locked instructions.
@rygorous But I believe it _still_ took the system lock if it wasn't in the cache after that (P4 and up). Not sure about _now_.
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@rygorous But point being, it _was_ a real lock, and I assume that it still is a real lock on _some_ processors out there. -
@cmuratori No, the system bus lock is not something anyone has used for aligned operands ever since x86 cores started implementing MESI. - Show replies
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