XBT_INFO("Host \"%u\" send 'Token' to Host \"%s\"", rank, neighbor_mailbox->get_cname());
std::string msg = "Token";
neighbor_mailbox->put(&msg, task_comm_size);
XBT_INFO("Host \"%u\" send 'Token' to Host \"%s\"", rank, neighbor_mailbox->get_cname());
std::string msg = "Token";
neighbor_mailbox->put(&msg, task_comm_size);
XBT_INFO("Host \"%u\" received \"%s\"", rank, res->c_str());
} else {
std::string* res = static_cast<std::string*>(my_mailbox->get());
XBT_INFO("Host \"%u\" received \"%s\"", rank, res->c_str());
} else {
std::string* res = static_cast<std::string*>(my_mailbox->get());