#!/perl/bin/perl # # bench.pl -- use strict; use warnings; use diagnostics; use Benchmark qw(:all); sub caseone { $_ = '|0|0|0|0|0|0|'; s/.//; } sub casetwo { $_ = '|0|0|0|0|0|0|'; substr($_,0,1) = ''; } sub casethree { $_ = '|0|0|0|0|0|0|'; $_ = reverse $_; chop; $_ = reverse $_; } sub casefour { $_ = '|0|0|0|0|0|0|'; $_ = substr($_,1); } cmpthese(-5,{ 'caseone' => 'caseone', 'casetwo' => 'casetwo', 'casethree' => 'casethree', 'casefour' => 'casefour', });