Big-Oh isn't particularly useful, but having an upper bound on actual running time is useful in real time programming.
And to avoid confusion: in real time applications _everything_ is O(1). Anything worse than that is non-real-time.
Big-Oh isn't particularly useful, but having an upper bound on actual running time is useful in real time programming.
And to avoid confusion: in real time applications _everything_ is O(1). Anything worse than that is non-real-time.