simgrid::s4u::Host* pm0 = simgrid::s4u::Host::by_name("Fafard");
simgrid::s4u::Host* pm1 = simgrid::s4u::Host::by_name("Tremblay");
simgrid::s4u::Host* pm0 = simgrid::s4u::Host::by_name("Fafard");
simgrid::s4u::Host* pm1 = simgrid::s4u::Host::by_name("Tremblay");