my @list = ('aaaa' .. 'zzzz');
use parallel 'map'; # Just for maps
my @ordlist = map ord, @list;

# Defaults only
# Probably something like any, all, map, grep, and maybe even sort
use parallel;

# Sort by last letter in parallel
@list = sort {($a =~ /\w+(\w)/) <=> ($b =~ /\w+(\w)/)} @list;

# This subroutine can operate in parallel
use parallel 'foreach';
foo($_) foreach @list;

no parallel; # disable everywhere else