Rate   plain 2part-A   2part neglook   xeger    anch  substr
plain   3208/s      --    -31%    -35%    -44%    -47%    -51%    -64%
2part-A 4630/s     44%      --     -6%    -20%    -23%    -29%    -48%
2part   4948/s     54%      7%      --    -14%    -18%    -24%    -45%
neglook 5767/s     80%     25%     17%      --     -4%    -12%    -36%
xeger   6029/s     88%     30%     22%      5%      --     -8%    -33%
anch    6536/s    104%     41%     32%     13%      8%      --    -27%
substr  8985/s    180%     94%     82%     56%     49%     37%      --