Yes, but you can also measure it by input value, like I did. It makes more sense to me to plot n vs. time(Fib(n)), because practically I'd want to know how "how

Yes, but you can also measure it by input value, like I did. It makes more sense to me to plot n vs. time(Fib(n)), because practically I'd want to know how "how fast" my algo runs if i give it n. What do you think about that?