timeit perl t\t\fastok.t > t.txt Version Number: Windows NT 5.1 (Build 2600) Exit Time: 11:37 pm, Tuesday, April 14 2015 Elapsed Time: 0:02:10.859 Process Time: 0:02:09.375 System Calls: 2399091 Context Switches: 238722 Page Faults: 543275 Bytes Read: 3031284 Bytes Written: 103643867 Bytes Other: 87114348