1             155.21774570               0.74896117
           2              53.62383805               0.44092187
           4             122.60779849               0.67625252
           8             127.73827541               0.64769424
          16             124.28854867               0.70678919
          32             137.34926196               0.77980596
          64             136.20569413               0.75413695
         128             161.02080998               0.74327323
         256             175.17319460               0.81283431
         512             186.71042367               0.89230923
        1024             203.24007380               0.90219468
        2048             236.81107530               0.85512741