auto* group = new simgrid::smpi::Group(size_);
comm_world_ = new simgrid::smpi::Comm(group, nullptr, false, -1);
universe_size += max_no_processes;
auto* group = new simgrid::smpi::Group(size_);
comm_world_ = new simgrid::smpi::Comm(group, nullptr, false, -1);
universe_size += max_no_processes;
if (instance.finalized_ranks_ == instance.size_) {
simgrid::smpi::Comm::destroy(instance.comm_world_);
if (instance.finalized_ranks_ == instance.size_) {
simgrid::smpi::Comm::destroy(instance.comm_world_);