gf1 result: 2.11267605633804
gf2 result: 2.11267605633804
op result: 2.11267605633804

      Rate      op     gf2     gf1
op  7.57/s      --   -100%   -100%
gf2 7732/s 102012%      --    -10%
gf1 8582/s 113238%     11%      --