Select Code to Download

#!/usr/bin/perl 
use strict;
...
my $time = timeit($iterations, $regexEngineCode);

print "It took ", timestr($time), "\n";

2147483641107374182
Out of memory!
...
real    1m29.931s
user    0m50.376s
sys    0m4.824s

#!/usr/bin/perl 
use strict;
...
my $time = timeit($iterations, $regexEngineCode);

print "It took ", timestr($time), "\n";

214748364010737418221474836780
It took 32.7849 wallclock secs (31.79 usr +  1.02 sys = 32.81 CPU) @  
+0.03/s (n=1)
...
real    0m32.942s
user    0m31.839s
sys    0m1.129s