1               0.00188520               0.01192908
           2               0.01084402               0.02232463
           4               0.10850704               0.06173033
           8               0.52790380               0.20441503
          16               1.30295995               0.80433805
          32               3.20795453               2.10234923
          64               6.33497256               4.17195722
         128              11.68944925               7.71169736
         256              21.31213573              14.02650908
         512              39.43268436              26.23087000
        1024              77.73288174              52.03510898
        2048             148.79448785              98.93675817