Add this to Fedora: http://savannah.gnu.org/projects/parallel My machine has 8 cores, using bash I can't get the most out of my computer without GNU Parallel...
Are you volunteering to maintain it? We only add packages that we have maintainers for. For information on becoming a package maintainer in the Fedora project, see: http://fedoraproject.org/wiki/PackageMaintainers/Join