Rate a_a1  na2   na a_a2  a_s    a
a_a1  538441/s   --  -9% -16% -29% -48% -52%
na2   590160/s  10%   --  -8% -22% -43% -47%
na    642280/s  19%   9%   -- -15% -38% -42%
a_a2  756598/s  41%  28%  18%   -- -26% -32%
a_s  1027820/s  91%  74%  60%  36%   --  -8%
a    1112124/s 107%  88%  73%  47%   8%   --