[snowhare]$ ./hires-time.pl
1133389582245150
1133389582245151
[snowhare]$ ./hires-time.pl
113338958348908
113338958348909
[snowhare]$ ./hires-time.pl
1133389583585585
1133389583585586
[snowhare]$ ./hires-time.pl
1133389584217773
1133389584217774
[snowhare]$ ./hires-time.pl
1133389584827558
1133389584827559
[snowhare]$ ./hires-time.pl
1133389585762938
1133389585762939
[snowhare]$ ./hires-time.pl
1133389586273604
1133389586273605
[snowhare]$ ./hires-time.pl
1133389586920152
1133389586920152
[snowhare]$ ./hires-time.pl
1133389587601760
1133389587601761