Evo rezultat za Pentium D, 3GHz za fib 47.
C:\Documents and Settings\Administrator\My Documents\ptime>ptime fib.exe 47
ptime 1.0 for Win32, Freeware - http://www.pc-tools.net/
Copyright(C) 2002, Jem Berkes
=== fib.exe 47 ===
n-ti Fibonaccijev broj je: 2971215073.
Execution time: 37.040 s