or download this
> perl benchmark.pl lc terms.por terms.try 10
Benchmark: timing 10 iterations of Masem_1, Masem_2, clemburg, origina
+l...
...
clemburg: 10 wallclock secs ( 5.11 usr + 0.75 sys = 5.86 CPU)
original: 32 wallclock secs (10.52 usr + 0.98 sys = 11.50 CPU)