use v5.030;
use PDL;
use MCE 1.894;

MCE->new(
    max_workers => 24, user_func => sub {
        my $output = ""; 
        for (1..500000) {
          # my $r = CORE::rand();
            my $r = PDL->random;
            $output .= "$r\n";
        }   
        MCE->print($output);
    }
)->run;