> My understanding is that apple spent considerable effort on baking into silicon the ability to do some common memory-management related OSX/iOS low-level oper

> My understanding is that apple spent considerable effort on baking into silicon the ability to do some common memory-management related OSX/iOS low-level operations. I think they profiled these operations easily and made sure that they were cheap to execute on their CPU but I'm not certain there's dedicated silicon for that.