Virtual Functions and Performance C++

Question

Before you cringe at the duplicate title, the other question wasn\'t suited to what I ask here (IMO). So.

I am really wanting to use virtual functions in my applicat

Answer 1

With a small number of iterations there's a chance that your code is preempted with some other program running in parallel or swapping occurs or anything else operating system isolates your program from happens and you'll have the time it was suspended by the operating system included into your benchmark results. This is number one reason why you should run your code something like a dozen million times to measure anything more or less reliably.