void process::ctrl_send(neighbor& nb)
{
double info_to_send = expected_load;
- if (info_to_send != prev_load_broadcast) {
- message* msg = new message(message::INFO, info_to_send);
- add_ctrl_send_mesg(msg->get_size());
- comm.ctrl_send(nb.get_ctrl_mbox(), msg);
- }
- if (opt::bookkeeping) {
- double debt_to_send = nb.get_to_send();
+ double debt_to_send;
+ if (opt::bookkeeping) { // bookkeeping
+ debt_to_send = nb.get_to_send();
if (debt_to_send > 0.0) {
nb.set_to_send(0.0);
nb.set_debt(nb.get_debt() + debt_to_send);
- message* msg = new message(message::CREDIT, debt_to_send);
- add_ctrl_send_mesg(msg->get_size());
- comm.ctrl_send(nb.get_ctrl_mbox(), msg);
}
+ } else { // !bookkeeping
+ debt_to_send = 0.0;
+ }
+ if (info_to_send != prev_load_broadcast || debt_to_send > 0.0) {
+ message* msg = new message(message::CTRL, info_to_send, debt_to_send);
+ add_ctrl_send_mesg(msg->get_size());
+ comm.ctrl_send(nb.get_ctrl_mbox(), msg);
}
}
amount = std::min(load_to_send, opt::max_transfer_amount);
else
amount = load_to_send;
- message* msg = new message(message::LOAD, amount);
+ message* msg = new message(message::DATA, amount);
add_data_send_mesg(msg->get_size());
comm.data_send(nb.get_data_mbox(), msg);
load_to_send -= amount;
void process::handle_message(message* msg, m_host_t from)
{
switch (msg->get_type()) {
- case message::INFO: {
+ case message::CTRL: {
neighbor* n = rev_neigh[from];
n->set_load(msg->get_amount() + n->get_to_send());
+ expected_load += msg->get_credit(); // may be 0.0 if !opt::bookkeeping
break;
}
- case message::CREDIT:
- expected_load += msg->get_amount();
- break;
- case message::LOAD: {
+ case message::DATA: {
double ld = msg->get_amount();
real_load += ld;
if (finalizing)