1           Rate double single  2           Rate double single
double 3079766/s     --   -18%  double 3054368/s     --   -11%
single 3763643/s    22%     --  single 3419973/s    12%     --

3           Rate double single  4           Rate double single
double 2866972/s     --   -18%  double 3107520/s     --   -10%
single 3495281/s    22%     --  single 3437607/s    11%     --