#!/usr/bin/perl
use v5.030;
use PDL;
use MCE 1.895;

CORE::srand(3);   # This also, for MCE predictable results
                  # MCE sets internal seed = CORE::random()

PDL::srandom(3);  # PDL::srand(3) v1.062 ~ v1.089

MCE->new(
    use_threads => 0,  # Ensure non-threads on Windows
    max_workers => 16,
    init_relay => 0,
    user_func => sub {
        my $output = "";
        for (1..3276800) {
            my $r = random();
            $output .= sprintf "%.72f\n", $r;
        }
        MCE::relay {
            print $output;
        };
    }
)->run;

##</code><code>##

$ perl pdl-rand-mce.pl | wc -l
52428800

$ perl pdl-rand-mce.pl | cksum
3755051732 3932160000
$ perl pdl-rand-mce.pl | cksum
3755051732 3932160000
$ perl pdl-rand-mce.pl | cksum
3755051732 3932160000

$ perl pdl-rand-mce.pl | LC_ALL=C sort -u | wc -l
$ perl pdl-rand-mce.pl | LC_ALL=C mcesort -j16 -u | wc -l
$ perl pdl-rand-mce.pl | LC_ALL=C parsort --parallel=16 -u | wc -l
52428799

##</code><code>##

#!/usr/bin/perl
use v5.030;
use PDL;
use MCE 1.895;

CORE::srand(3);   # This also, for MCE predictable results
                  # MCE sets internal seed = CORE::random()

PDL::srandom(3);  # PDL::srand(3) v1.062 ~ v1.089

MCE->new(
    use_threads => 0,  # Ensure non-threads on Windows
    max_workers => 16,
    init_relay => 0,
    user_func => sub {
        my $output = "";
        my $pdl = PDL->random(3276800);
        foreach (0 .. $pdl->nelem - 1) {
            my $r = $pdl->at($_);
            $output .= sprintf "%.72f\n", $r;
        }
        MCE::relay {
            print $output;
        };
    }
)->run;

##</code><code>##

$ perl pdl-rand-mce2.pl | wc -l
52428800

$ perl pdl-rand-mce2.pl | cksum
1425016579 3932160000
$ perl pdl-rand-mce2.pl | cksum
1425016579 3932160000
$ perl pdl-rand-mce2.pl | cksum
1425016579 3932160000

$ perl pdl-rand-mce2.pl | LC_ALL=C sort -u | wc -l
$ perl pdl-rand-mce2.pl | LC_ALL=C mcesort -j16 -u | wc -l
$ perl pdl-rand-mce2.pl | LC_ALL=C parsort --parallel=16 -u | wc -l
52428799