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use Benchmark 'cmpthese';
$match=0;
...
faster2 2859/s      7%      --     -1%     -9%
slower2 2882/s      8%      1%      --     -9%
faster  3158/s     18%     10%     10%      --

use Benchmark 'cmpthese';
$match=0;
...
};

__END__

Benchmark: running faster, faster2, slower, slower2, each for at least
+ 5 CPU seconds...
    faster:  4 wallclock secs ( 5.25 usr +  0.00 sys =  5.25 CPU) @ 10
+3837.90/s (n=545149)
...
faster2 103940/s      0%      --    -22%    -22%
slower2 132806/s     28%     28%      --     -0%
slower  133357/s     28%     28%      0%      --