$ time grep karl very_huge.file
nose cuke karl

real  0m2.127s
user  0m1.845s
sys   0m0.283s

$ time ./MCE-1.608/bin/mce_grep karl very_huge.file
nose cuke karl

real  0m1.061s
user  0m2.176s
sys   0m1.616s

$ time ./MCE-1.608/examples/egrep.pl karl very_huge.file
nose cuke karl

real  0m0.690s
user  0m2.165s
sys   0m0.362s