1              -0.00121273               0.00698048
           2               0.01286753               0.01318834
           4               0.07346244               0.02477152
           8               0.29485760               0.04695260
          16               0.95593602               0.14642344
          32               2.21765185               0.32203479
          64               4.00942661               0.60091800
         128               6.50674139               0.96138138
         256              10.66716380               1.61892594
         512              17.36032048               2.81543487
        1024              29.43589139               4.94274453
        2048              51.91704140               8.99638792
        4096              96.26491006              17.59706071