> As I vaguely recall, even Plain Old Array accesses take logarithmic time on real machines. How does adding an offset to a pointer and referencing that data r

> As I vaguely recall, even Plain Old Array accesses take logarithmic time on real machines. How does adding an offset to a pointer and referencing that data require logarithmic time? >. However, if we don't use bignums, they're effectively constant time. What are these bignums that are used for array access on "real machines"?