Select Code to Download

 1 worker:   9.437 secs.
 2 workers:  4.480 secs.
...
 4 workers:  3.236 secs.
 8 workers:  3.240 secs.

mce_flow_f {
   chunk_size => '24m', max_workers => 1,
...

}, 'Dictionary2GB.txt';

use strict;
use warnings;
...

close $fh;