[11:10:32 jhorner@gateway scripts]$ ./20000619-1.pl 
Benchmark: timing 3000000 iterations of changestat, openfile...
changestat:  1 wallclock secs ( 0.88 usr +  0.00 sys =  0.88 CPU) @ 3409090.91/s (n=3000000)
  openfile:  2 wallclock secs ( 0.91 usr +  0.00 sys =  0.91 CPU) @ 3296703.30/s (n=3000000)