START:
         Rate  grap  grep first
grap    638/s    --  -14%  -99%
grep    746/s   17%    --  -99%
first 57971/s 8983% 7672%    --

MIDDLE:
       Rate  grap first  grep
grap  175/s    --  -76%  -77%
first 735/s  319%    --   -3%
grep  758/s  332%    3%    --

END:
       Rate  grap first  grep
grap  102/s    --  -73%  -86%
first 377/s  269%    --  -50%
grep  751/s  635%   99%    --