Rate our_e our_g  my_e our_u my_g explicit unpackA greedy my_u substr
our_e    61.0/s    --   -9%  -25%  -29% -33%     -41%    -48%   -48% -52%   -67%
our_g    67.3/s   10%    --  -17%  -21% -27%     -35%    -42%   -43% -47%   -64%
my_e     80.7/s   32%   20%    --   -5% -12%     -22%    -31%   -32% -36%   -57%
our_u    85.3/s   40%   27%    6%    --  -7%     -18%    -27%   -28% -32%   -54%
my_g     91.6/s   50%   36%   13%    7%   --     -12%    -21%   -23% -28%   -51%
explicit  104/s   70%   54%   28%   22%  13%       --    -11%   -12% -18%   -44%
unpackA   116/s   91%   73%   44%   36%  27%      12%      --    -2%  -8%   -37%
greedy    118/s   94%   76%   47%   39%  29%      14%      2%     --  -6%   -36%
my_u      126/s  107%   88%   57%   48%  38%      22%      9%     7%   --   -32%
substr    186/s  205%  176%  130%  118% 103%      79%     60%    57%  47%     --