simgrid::s4u::Actor::create("master", simgrid::s4u::Host::by_name("Tremblay"), master);
simgrid::s4u::Actor::create("worker", simgrid::s4u::Host::by_name("Tremblay"), worker);
e.run();
simgrid::s4u::Actor::create("master", simgrid::s4u::Host::by_name("Tremblay"), master);
simgrid::s4u::Actor::create("worker", simgrid::s4u::Host::by_name("Tremblay"), worker);
e.run();