Not sure - I'll check though.

Here's my results - I have what you have, but no Grep + Map, and Switch is now Substr Hash (more flexible), plus added the suggestion for split (slightly modified).

           Rate   Eval   Grep    Map REHash SplHash Router   REEq   Or
+ig SubHash
Eval     5522/s     --   -35%   -52%   -54%    -55%   -58%   -58%   -6
+2%    -72%
Grep     8432/s    53%     --   -26%   -30%    -32%   -35%   -36%   -4
+2%    -58%
Map     11468/s   108%    36%     --    -5%     -8%   -12%   -13%   -2
+1%    -42%
REHash  12092/s   119%    43%     5%     --     -3%    -7%    -8%   -1
+6%    -39%
SplHash 12407/s   125%    47%     8%     3%      --    -5%    -6%   -1
+4%    -38%
Router  13055/s   136%    55%    14%     8%      5%     --    -1%   -1
+0%    -34%
REEq    13210/s   139%    57%    15%     9%      6%     1%     --    -
+8%    -34%
Orig    14430/s   161%    71%    26%    19%     16%    11%     9%     
+--    -27%
SubHash 19881/s   260%   136%    73%    64%     60%    52%    50%    3
+8%      --
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