Shuffling 10000 elements
        Rate SPipl SPcpy PPcpy PPipl XS_FY
SPipl 21.2/s    --  -26%  -51%  -66%  -89%
SPcpy 28.8/s   36%    --  -33%  -55%  -85%
PPcpy 43.0/s  103%   49%    --  -32%  -77%
PPipl 63.3/s  198%  120%   47%    --  -66%
XS_FY  187/s  782%  550%  335%  196%    --

Shuffling 100000 elements
            (warning: too few iterations for a reliable count)
            (warning: too few iterations for a reliable count)
         Rate SPipl SPcpy PPcpy PPipl XS_FY
SPipl 0.262/s    --  -43%  -93%  -95%  -98%
SPcpy 0.464/s   77%    --  -88%  -92%  -97%
PPcpy  3.90/s 1386%  741%    --  -29%  -74%
PPipl  5.52/s 2005% 1090%   42%    --  -63%
XS_FY  14.8/s 5530% 3084%  279%  167%    --