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use strict;
use Benchmark qw(cmpthese);
...
             },
         }
        );

           Rate evalSTR2 evalSTR1     req2     req1
evalSTR2 2474/s       --      -2%     -40%     -48%
evalSTR1 2538/s       3%       --     -39%     -47%
req2     4150/s      68%      64%       --     -13%
req1     4779/s      93%      88%      15%       --

           Rate evalSTR1 evalSTR2     req2     req1
evalSTR1 2348/s       --      -4%     -41%     -44%
evalSTR2 2438/s       4%       --     -39%     -41%
req2     3964/s      69%      63%       --      -5%
req1     4158/s      77%      71%       5%       --

             Rate evalSTR2 evalSTR1     req2     req1
evalSTR2  14504/s       --      -0%     -94%     -97%
evalSTR1  14516/s       0%       --     -94%     -97%
req2     262449/s    1709%    1708%       --     -38%
req1     424285/s    2825%    2823%      62%       --