256             3.135810e-04    1.665407e+00    
512             1.248769e-03    1.676095e+00    
1024            3.305669e-03    2.535165e+00    
2048            8.627974e-03    3.887129e+00    
4096            3.386491e-02    3.962360e+00    
8192            1.354464e-01    3.963232e+00    
16384           5.425230e-01    3.958086e+00    
32768           2.162602e+00    3.971916e+00    
65536           8.448771e+00    4.066770e+00