Subject: | permutations is 3x slower than Algorithm::Permute |
Algorithm::Combinatorics::permutations has been benchmarked to be several times slower than Algorithm::Permute.
See http://rosettacode.org/wiki/Permutations#Perl
and
http://api.metacpan.org/source/EDPRATOMO/Algorithm-Permute-0.12/bench/benchmark.pl