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  1. or download this
    # rtoa-pgatram-mce.pl
# Example run: perl rtoa-pgatram-mce.pl t1.txt >mce.tmp
...
my $tstart = time;
roman_to_arabic(\@rtoa_files);
warn sprintf("time %0.03f secs\n", time - $tstart);
  2. or download this
    $ time ./rtoa-pgatram t1.txt >cpp.tmp
read_input_file   : 3999000 items
...
real    0m5.835s  0m1.178s  0m0.671s  0m0.375s  0m0.252s
user    0m5.832s  0m9.064s  0m8.874s  0m8.935s  0m9.698s
sys     0m0.008s  0m0.024s  0m0.030s  0m0.073s  0m0.136s
  3. or download this
    $ cksum cpp.tmp pgatram.tmp mce.tmp
1397892467 18888000 cpp.tmp
1397892467 18888000 pgatram.tmp
1397892467 18888000 mce.tmp