gistfile1.txt

   1010 files
    110 directories
     10 iterations
      6 cases
      2 adapters

            case             php        gnu_find
               0       1,471,663       1,022,287
               1       1,592,656         191,331
               2       1,643,954         744,985
               3       1,781,712         172,492
               4       1,698,835         467,820
               5       1,720,615         118,440

      0 Find files by name containing a*
      1 Find files by name containing ~^a~
      2 Find files by name containing a* not containing *a
      3 Find files by name containing ~^a.*~ not containing ~.*a$~
      4 Find files by name containing ab* not containing *ba
      5 Find files by name containing ~^ab.*~ not containing ~.*ba$~