No, that's not pedantic, its a fair point. acq/rel remains efficient on a platform that doesn't need barriers to implement it (ie, x86). consume remains effic

No, that's not pedantic, its a fair point. acq/rel remains efficient on a platform that doesn't need barriers to implement it (ie, x86). consume remains efficient on a platform that doesn't need barriers to enforce a dataflow dependency (ie, ARMv7).