#threads								naive nb rand/s					opti
10240										1958396000.03						13162317203.28
20480										2607152000.80						17544514829.35
30720										2932438000.82						19734780759.37
51200										2787838000.25						18772978895.58
76800										2926940000.81						19718338110.60
102400									2778762000.41						18800512068.39
153600									2927902000.36						19692840251.08
512000									2905399000.83						19605898582.49
768000									2826752000.70						19717903047.22
1048576									2717620000.40						19625932346.26
2097152									2720592856.85						19571418202.69
5242880									2542399000.19						19497621662.45