in reply to Re^2: Error when compiling perl-script to executable
in thread Error when compiling perl-script to executable

PAR does do caching. So your startup penalty is for the first run only. HOWEVER, it does NOT "compile" any code... so PAR will run the same scripts at the same speed as before.
  • Comment on Re^3: Error when compiling perl-script to executable

In Section Seekers of Perl Wisdom