Rate evilgrep  slice  modulo   grep c_style doubler
evilgrep  4708/s       --   -16%    -20%   -20%    -45%    -54%
slice     5584/s      19%     --     -5%    -5%    -34%    -46%
modulo    5865/s      25%     5%      --    -0%    -31%    -43%
grep      5893/s      25%     6%      0%     --    -31%    -43%
c_style   8524/s      81%    53%     45%    45%      --    -17%
doubler  10320/s     119%    85%     76%    75%     21%      --