Perl Version: 5.016003
Array Length: 10000
Expected result: 50005000
              Rate recursive recursive3       eval rec_split iterative  listutil
recursive   7.44/s        --       -19%       -89%      -91%     -100%     -100%
recursive3  9.16/s       23%         --       -86%      -89%     -100%     -100%
eval        67.6/s      808%       638%         --      -19%      -97%     -100%
rec_split   83.8/s     1026%       815%        24%        --      -96%     -100%
iterative   2145/s    28722%     23322%      3073%     2461%        --      -94%
listutil   36669/s   492642%    400327%     54142%    43678%     1610%        --