I tried this app on 3 different computers here.
1: Athlon 64 3200
time=18527 threaded=16165
2: Intel P4 3.00Ghz
time=16554 threaded=16492
3: Intel T2500 (early dualcore) 2.00Ghz
time=22216 threaded=15290
1: Athlon 64 3200
time=18527 threaded=16165
2: Intel P4 3.00Ghz
time=16554 threaded=16492
3: Intel T2500 (early dualcore) 2.00Ghz
time=22216 threaded=15290