CF.Factorial.Timings

Compare Timings of Different Factorial Calculation Algorithms.

Run timing loops over the following factorial calculator algorirhms to determine which is fastest.

• Iterative.
• Recursive.
• Unrolled Loop.
• Table Lookup.

Sample Run

CF.Factorial.Timings
C Version: 201710
Iterative:
  20!:  2432902008176640000, overflow: false
  CPU Time   =   0.445689 s
Recursive:
  20!:  2432902008176640000, overflow: false
  CPU Time   =   0.629249 s
Unrolled:
  20!:  2432902008176640000, overflow: false
  CPU Time   =   0.141881 s
Tabular:
  20!:  2432902008176640000, overflow: false
  CPU Time   =   0.017959 s
Program ended with exit code: 0