$ cat -n prime3.pl
   1  #!/usr/bin/perl -I../lib -w
   2  # The module Math::Prime::XS isn't installed in the machine
   3  # but will be downloaded from some remote server
   4  use Math::Prime::XS qw{:all};
   5
   6  @all_primes   = primes(9);
   7  print "@all_primes\n";
   8
   9  @range_primes = primes(4, 9);
  10  print "@range_primes\n";

##</code><code>##

 $ time perl -MRemote::Use=config,rsyncconfig prime3.pl
  receiving file list ... done
  >f+++++++++ XS.so

  sent 42 bytes  received 16141 bytes  10788.67 bytes/sec
  total size is 16043  speedup is 0.99
  receiving file list ... done
  >f+++++++++ XS.bs

  sent 42 bytes  received 94 bytes  90.67 bytes/sec
  total size is 0  speedup is 0.00
  receiving file list ... done
  >f+++++++++ XS.pm

  sent 42 bytes  received 5733 bytes  11550.00 bytes/sec
  total size is 5635  speedup is 0.98
  2 3 5 7
  5 7

  real    0m2.349s
  user    0m0.116s
  sys     0m0.060s

##</code><code>##

  $ time perl -MRemote::Use=config,rsyncconfig prime3.pl
  2 3 5 7
  5 7

  real    0m0.066s
  user    0m0.056s
  sys     0m0.008s

##</code><code>##

$ cat rsyncconfig
package rsyncconfig;

sub getarg {
  my ($class, $self) = @_;

  return (
    host => 'orion:',
    prefix => '/tmp/perl5lib/',
    command => 'rsync -i -vaue ssh',
    ppmdf => '/tmp/perl5lib/.orion.installed.modules',
  );
}

1;