Welcome to the SimGrid project! Up-to-date documentation about installation and how to use SimGrid is available online at http://simgrid.gforge.inria.fr/ The documentation is also included in the archive you downloaded: Check doc/html/index.html for more information. In any case, you may want to subscribe to the user mailing list (http://lists.gforge.inria.fr/mailman/listinfo/simgrid-user). There, you can find answers to your questions, or simply discuss with people doing the same kind of research than you do, in an active and friendly community. Thanks for downloading our software, Cheers, Da SimGrid Team.