dwalin@sol:/tmp$ perl test.pl 100 1000 100
Benchmark: timing 100 iterations of new, old...
       new: 22 wallclock secs (22.10 usr +  0.28 sys = 22.38 CPU) @  4.47/s (n=100)
       old: 10 wallclock secs ( 9.87 usr +  0.08 sys =  9.95 CPU) @ 10.05/s (n=100)