1               0.00105104               0.00480142
           2               0.00385380               0.00827441
           4               0.02162968               0.01557567
           8               0.10020716               0.03985494
          16               0.37863187               0.18398367
          32               1.15024280               0.75422615
          64               2.84707367               1.90701548
         128               5.58473940               3.77986426
         256              10.58736682               7.24779325
         512              19.41877739              13.20596467
        1024              35.64006180              24.21777307
        2048              70.39005146              47.65047337