If you're going to use List::MoreUtils for something this trivial, then each_arrayref does everything in one step. 
my $i = each_arrayref($array1, $array2);
while (my ($x, $c) = $i->()) {
   print("$x, $c\n");
}

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In reply to Re^2: parallel procesing by ikegami
in thread parallel procesing by baxy77bax

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