/** Each host can have an arbitrary number of actors -> multimap **/
typedef std::unordered_multimap<simgrid::s4u::Host*, simgrid::s4u::ActorPtr> host_to_actors_map_t;
host_to_actors_map_t host_to_actors;
/** Each host can have an arbitrary number of actors -> multimap **/
typedef std::unordered_multimap<simgrid::s4u::Host*, simgrid::s4u::ActorPtr> host_to_actors_map_t;
host_to_actors_map_t host_to_actors;