or download this
sri@odyssey:~$ perl benchmark2.pl
Benchmark: timing 100 iterations of curl, lwp, lwp-parallel...
curl: 25 wallclock secs ( 1.07 usr + 0.18 sys = 1.25 CPU) @ 80
+.00/s (n=100)
lwp: 30 wallclock secs ( 7.12 usr + 0.51 sys = 7.63 CPU) @ 13
+.11/s (n=100)
lwp-parallel: 34 wallclock secs (11.07 usr + 0.56 sys = 11.63 CPU) @
+ 8.60/s (n=100)