http://www.perlmonks.org?node_id=1021256


in reply to Re^4: Efficient bit-twiddling in Perl.
in thread Efficient bit-twiddling in Perl.

$ perl /tmp/1021241.pl Shift&and took: 0.000000844352 seconds Lookup took: 0.000000794679 seconds Lookup2 took: 0.000000945985 seconds (un)pack took: 0.000007257208 seconds