C:\test>235765
Benchmark: timing 1 iterations of msf_small, sf_small...
 msf_small:  0 wallclock secs ( 0.00 usr +  0.00 sys =  0.00 CPU)

sf broken at C:\test\235765.pl line 25.

  sf_small:  0 wallclock secs ( 0.00 usr +  0.00 sys =  0.00 CPU)

                        Rate  sf_small msf_small
sf_small  1000000000000000/s        --        0%
msf_small 1000000000000000/s        0%        --
Benchmark: running msf_bigger, sf_bigger, each for at least 1 CPU seconds ...

msf_bigger:  1 wallclock secs ( 1.04 usr +  0.00 sys =  1.04 CPU) @ 134.49/s (n=140)
 sf_bigger:  1 wallclock secs ( 1.09 usr +  0.00 sys =  1.09 CPU) @ 51.33/s (n=56)

             Rate  sf_bigger msf_bigger
sf_bigger  51.3/s         --       -62%
msf_bigger  134/s       162%         --