Do not run a last data_send round on exit.

[loba.git] / process.cpp

diff --git a/process.cpp b/process.cpp
index b36b000f385309ee102c283c7139244d4c3e8a26..8a73f3865c34e023c045df04759fefa2d1652efd 100644 (file)
--- a/process.cpp
+++ b/process.cpp
@@ -157,7 +157,7 @@ void process::load_balance_loop()
                   std::bind(&process::ctrl_close, this, _1));
     while (ctrl_close_pending) {
         comm.ctrl_flush(false);
                   std::bind(&process::ctrl_close, this, _1));
     while (ctrl_close_pending) {
         comm.ctrl_flush(false);

-        XBT_DEBUG("waiting for %d CTRL CLOSE", ctrl_close_pending);
+        XBT_DEBUG("waiting for %d CTRL_CLOSE", ctrl_close_pending);

         ctrl_receive(-1.0);
     }
     comm.ctrl_flush(true);
         ctrl_receive(-1.0);
     }
     comm.ctrl_flush(true);


@@ -201,9 +201,6 @@ void process::compute_loop()
     }
 
     XBT_VERB("Going to finalize for %s...", __func__);
     }
 
     XBT_VERB("Going to finalize for %s...", __func__);

-    // last send, for not losing load scheduled to be sent
-    std::for_each(neigh.begin(), neigh.end(),
-                  std::bind(&process::data_send, this, _1));

     finalizing = true;
     total_load_running -= real_load;
     XBT_DEBUG("send DATA_CLOSE to %zu neighbor%s",
     finalizing = true;
     total_load_running -= real_load;
     XBT_DEBUG("send DATA_CLOSE to %zu neighbor%s",


@@ -212,7 +209,7 @@ void process::compute_loop()
                   std::bind(&process::data_close, this, _1));
     while (data_close_pending) {
         comm.data_flush(false);
                   std::bind(&process::data_close, this, _1));
     while (data_close_pending) {
         comm.data_flush(false);

-        XBT_DEBUG("waiting for %d DATA CLOSE", data_close_pending);
+        XBT_DEBUG("waiting for %d DATA_CLOSE", data_close_pending);

         data_receive(-1.0);
     }
     comm.data_flush(true);
         data_receive(-1.0);
     }
     comm.data_flush(true);


@@ -286,20 +283,20 @@ void process::send(neighbor& nb, double amount)
 void process::ctrl_send(neighbor& nb)
 {
     double info_to_send = expected_load;
 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);
         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);

     }
 }
 
     }
 }
 


@@ -329,7 +326,7 @@ void process::data_send(neighbor& nb)
             amount = std::min(load_to_send, opt::max_transfer_amount);
         else
             amount = load_to_send;
             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;
         add_data_send_mesg(msg->get_size());
         comm.data_send(nb.get_data_mbox(), msg);
         load_to_send -= amount;


@@ -377,15 +374,13 @@ void process::data_receive(double timeout)
 void process::handle_message(message* msg, m_host_t from)
 {
     switch (msg->get_type()) {
 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());
         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;
     }
         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)
         double ld = msg->get_amount();
         real_load += ld;
         if (finalizing)