Rate uniq1 uniqM uniq2 uniq3 uniq4
uniq1 35.2/s    --   -1%   -5%  -15%  -21%
uniqM 35.5/s    1%    --   -4%  -14%  -20%
uniq2 36.9/s    5%    4%    --  -11%  -17%
uniq3 41.5/s   18%   17%   13%    --   -7%
uniq4 44.7/s   27%   26%   21%    8%    --