simgrid::kernel::EngineImpl::get_instance()->add_model(host_model);
simgrid::s4u::Engine::get_instance()->get_netzone_root()->get_impl()->set_host_model(host_model);
surf_cpu_model_init_Cas01();
simgrid::kernel::EngineImpl::get_instance()->add_model(host_model);
simgrid::s4u::Engine::get_instance()->get_netzone_root()->get_impl()->set_host_model(host_model);
surf_cpu_model_init_Cas01();