1              -0.01458939               0.01600614
           2               0.02826121               0.02923024
           4               0.22381241               0.06155675
           8               0.75722193               0.23517363
          16               1.63900821               1.04786145
          32               4.01787038               2.52012396
          64               7.94385024               5.14142181
         128              14.19682901               9.38651270
         256              26.25787192              17.33634921
         512              49.31605489              32.60696930
        1024              97.13647073              64.58873808
        2048             191.83500744             127.23992104