std::string mboxName = std::string("receiver-") + std::to_string(i % receivers_count);
simgrid::s4u::Mailbox* mbox = simgrid::s4u::Mailbox::by_name(mboxName);
std::string msgName = std::string("Message ") + std::to_string(i);
std::string* payload = new std::string(msgName); // copy the data we send:
std::string mboxName = std::string("receiver-") + std::to_string(i % receivers_count);
simgrid::s4u::Mailbox* mbox = simgrid::s4u::Mailbox::by_name(mboxName);
std::string msgName = std::string("Message ") + std::to_string(i);
std::string* payload = new std::string(msgName); // copy the data we send: