c:\test>junk31 836952.log
Benchmark:
timing 1 iterations of
 AAtwo_pass, BBtwo_string, CCone_string
...

two pass: 10
AAtwo_pass:  6 wallclock secs ( 5.69 usr +  0.78 sys =  6.47 CPU) @  0.15/s (n=1)

            (warning: too few iterations for a reliable count)

two string: 10
BBtwo_string: 15 wallclock secs (14.34 usr +  0.73 sys = 15.07 CPU) @  0.07/s (n=1)

            (warning: too few iterations for a reliable count)

one string: 7
CCone_string: 15 wallclock secs (14.76 usr +  0.76 sys = 15.52 CPU) @  0.06/s (n=1)

            (warning: too few iterations for a reliable count)