1              -0.00303833               0.00246933
           2               0.00027683               0.00440374
           4               0.00910486               0.00803921
           8               0.06101301               0.01677644
          16               0.21858761               0.03365142
          32               0.59959408               0.07456965
          64               1.38604200               0.20487831
         128               2.48504756               0.48669735
         256               4.50628597               0.94654923
         512               7.40029339               1.61997933
        1024              11.77492326               2.49971383
        2048              19.42545085               4.34048677
        4096              33.16861491               7.29593025