$ time ../threads.pl Parsing 61441 files maxthreads: 32 regex: 10.622881 real 0m10.649s user 3m35.313s sys 0m2.173s $ time ../kikuchiyo.pl Parsing 61441 files maxforks: 32 regex: 7.71529 real 0m8.276s user 2m7.270s sys 0m2.150s $ time ../mcechild.pl Parsing 61441 files maxforks: 32 regex: 7.859328 real 0m7.889s user 2m4.981s sys 0m2.286s $ time ../mceiter1.pl Parsing 61441 files maxforks: 32 chunksize: 128 regex: 7.545659 real 0m7.581s user 2m7.077s sys 0m1.775s $ time ../mceiter2.pl Parsing 61441 files maxforks: 32 chunksize: 50 regex: 4.066287 real 0m4.100s user 2m3.994s sys 0m0.880s