// set the process attached to the mailbox
mailbox_small_->set_receiver(actor_);
XBT_DEBUG("<%ld> SMPI process has been initialized: %p", actor_->get_pid(), actor_.get());
// set the process attached to the mailbox
mailbox_small_->set_receiver(actor_);
XBT_DEBUG("<%ld> SMPI process has been initialized: %p", actor_->get_pid(), actor_.get());