Rate     b     a     d     c
b 82.7/s    --  -97%  -97%  -99%
a 2657/s 3112%    --   -3%  -56%
d 2748/s 3222%    3%    --  -54%
c 5982/s 7132%  125%  118%    --
388200:12000:829800:389700