in reply to Efficient walk/iterate along a string
I haven't Benchmarked against anything, but unpack might be faster for splitting to an array:
>perl -wMstrict -le "my $str = 'abcde'; my @chrs = unpack '(a)*', $str; print qq{'$_'} for @chrs; " 'a' 'b' 'c' 'd' 'e'
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