Why is that a favorite? I get it'll shuffle anything correctly, but trading O(NlogN) for O(1) is painful:

<Reveal this spoiler or all in this thread>

Benchmark:

           Rate   tybalt     buk1     buk2 ListUtil
tybalt    224/s       --     -65%     -70%     -97%
buk1      644/s     187%       --     -14%     -91%
buk2      746/s     233%      16%       --     -90%
ListUtil 7342/s    3176%    1040%     884%       --

C:\test>shufflesBenchmark2018.pl -SIZE=1e3
           Rate   tybalt     buk1     buk2 ListUtil
tybalt    229/s       --     -66%     -70%     -97%
buk1      675/s     195%       --     -13%     -91%
buk2      776/s     238%      15%       --     -89%
ListUtil 7339/s    3102%     987%     846%       --

C:\test>shufflesBenchmark2018.pl -SIZE=1e4
           Rate   tybalt     buk1     buk2 ListUtil
tybalt   17.2/s       --     -75%     -78%     -98%
buk1     67.5/s     292%       --     -13%     -90%
buk2     77.2/s     349%      14%       --     -89%
ListUtil  704/s    3992%     944%     812%       --

C:\test>shufflesBenchmark2018.pl -SIZE=1e5
            (warning: too few iterations for a reliable count)

           Rate   tybalt     buk1     buk2 ListUtil
tybalt   1.21/s       --     -81%     -84%     -98%
buk1     6.40/s     430%       --     -15%     -89%
buk2     7.53/s     523%      18%       --     -87%
ListUtil 56.4/s    4566%     781%     649%       --

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In reply to Re^2: Shuffling CODONS by BrowserUk
in thread Shuffling CODONS by WouterVG

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