Rate  original    linuxer   wer_map renee_map+grep wer_map+grep
original        444/s        --       -41%      -50%           -64%         -64%
linuxer         757/s       70%         --      -15%           -39%         -39%
wer_map         888/s      100%        17%        --           -29%         -29%
renee_map+grep 1244/s      180%        64%       40%             --          -0%
wer_map+grep   1244/s      180%        64%       40%             0%           --