Rate     pryrt packunpck   choroba grepfirst sortfirst
pryrt     123672/s        --      -35%      -39%      -66%      -73%
packunpck 190037/s       54%        --       -7%      -48%      -59%
choroba   204244/s       65%        7%        --      -44%      -56%
grepfirst 367991/s      198%       94%       80%        --      -20%
sortfirst 460545/s      272%      142%      125%       25%        --