for (auto const& host : list) {
/* - Give a unique rank to each host and create a @ref relay_runner process on each */
simgrid::s4u::Actor::createActor((std::to_string(id)).c_str(), host, RelayRunner());
id++;
}
for (auto const& host : list) {
/* - Give a unique rank to each host and create a @ref relay_runner process on each */
simgrid::s4u::Actor::createActor((std::to_string(id)).c_str(), host, RelayRunner());
id++;
}