ok 1 - ANDmask
ok 2 - brutish
ok 3 - pushAoA
ok 4 - regex
ok 5 - rsubstr
ok 6 - seek
ok 7 - split
ok 8 - substr
ok 9 - unpack
ok 10 - unpackM
          Rate pushAoA brutish split  seek regex unpack substr rsubstr unpackM ANDmask
pushAoA 1.11/s      --    -35%  -61%  -62%  -91%   -97%   -98%    -98%    -98%    -99%
brutish 1.71/s     55%      --  -39%  -41%  -86%   -95%   -96%    -96%    -97%    -98%
split   2.82/s    155%     65%    --   -3%  -77%   -92%   -94%    -94%    -95%    -97%
seek    2.91/s    163%     70%    3%    --  -76%   -92%   -94%    -94%    -95%    -97%
regex   12.3/s   1010%    617%  336%  322%    --   -65%   -74%    -75%    -79%    -88%
unpack  35.0/s   3060%   1943% 1141% 1102%  185%     --   -25%    -27%    -40%    -67%
substr  46.9/s   4137%   2638% 1564% 1512%  282%    34%     --     -3%    -20%    -55%
rsubstr 48.2/s   4254%   2714% 1610% 1556%  292%    38%     3%      --    -18%    -54%
unpackM 58.7/s   5194%   3321% 1979% 1914%  377%    68%    25%     22%      --    -44%
ANDmask  105/s   9407%   6045% 3634% 3517%  757%   201%   124%    118%     80%      --
1..10