Benchmark: timing 5000 iterations of Way1A, Way2A, Way2B, Way3A, Way4A, Way4B, Way5A, Way5B, Way6A...
     Way1A: 43 wallclock secs ( 5.12 usr +  1.03 sys =  6.15 CPU) @ 813.14/s (n=5000)
     Way2A: 34 wallclock secs ( 6.04 usr +  0.84 sys =  6.88 CPU) @ 726.85/s (n=5000)
     Way2B: 38 wallclock secs ( 6.22 usr +  0.66 sys =  6.88 CPU) @ 726.74/s (n=5000)
     Way3A: 46 wallclock secs ( 5.35 usr +  1.20 sys =  6.55 CPU) @ 763.36/s (n=5000)
     Way4A: 34 wallclock secs ( 6.29 usr +  0.59 sys =  6.88 CPU) @ 726.74/s (n=5000)
     Way4B: 35 wallclock secs ( 6.15 usr +  0.71 sys =  6.86 CPU) @ 728.86/s (n=5000)
     Way5A: 33 wallclock secs ( 4.88 usr +  0.62 sys =  5.50 CPU) @ 909.42/s (n=5000)
     Way5B: 31 wallclock secs ( 4.76 usr +  0.72 sys =  5.48 CPU) @ 912.74/s (n=5000)
     Way6A: 46 wallclock secs ( 5.52 usr +  1.17 sys =  6.69 CPU) @ 747.38/s (n=5000)
       Rate Way2B Way4A Way2A Way4B Way6A Way3A Way1A Way5A Way5B
Way2B 727/s    --   -0%   -0%   -0%   -3%   -5%  -11%  -20%  -20%
Way4A 727/s    0%    --   -0%   -0%   -3%   -5%  -11%  -20%  -20%
Way2A 727/s    0%    0%    --   -0%   -3%   -5%  -11%  -20%  -20%
Way4B 729/s    0%    0%    0%    --   -2%   -5%  -10%  -20%  -20%
Way6A 747/s    3%    3%    3%    3%    --   -2%   -8%  -18%  -18%
Way3A 763/s    5%    5%    5%    5%    2%    --   -6%  -16%  -16%
Way1A 813/s   12%   12%   12%   12%    9%    7%    --  -11%  -11%
Way5A 909/s   25%   25%   25%   25%   22%   19%   12%    --   -0%
Way5B 913/s   26%   26%   26%   25%   22%   20%   12%    0%    --