Impressive coding and deft manipulation - nicely done. I downloaded it and tweaked it to actually run (a typo and Dump->Dumper, print Dumper instead of dd, etc) - nicely done indeed.
However, the resulting file from PAR still gives an error when run on another machine:
Can't locate PAR/Heavy.pm in @INC (@INC contains: ...snip...) at /usr/bin/par.pl line 348.
I even attempted to force inclusion of PAR::Heavy by adding push @include, qw(-M PAR::Heavy); after my @include (Admittedly, I gave up after a few moments of it not working - I didn't try *too* hard) - unfortunately, that didn't change the error message on the other machine at all.