1              -0.01052704               0.00745509
           2              -0.00257754               0.01447390
           4               0.05253516               0.03070383
           8               0.29818568               0.13226244
          16               0.96842117               0.56317020
          32               2.59288130               1.66272729
          64               5.21038205               3.45193962
         128               9.70401372               6.49065966
         256              18.29683883              12.18468659
         512              33.12764550              22.30690051
        1024              61.84365699              41.50314561
        2048             124.45706225              83.76311675