Implement random initial load distribution.

[loba.git] / process.cpp

diff --git a/process.cpp b/process.cpp
index 2b1b36936b0dba553cdf7460082b546befe9e0d6..cbf512b6b66d2fde431d060030cf072868b942e2 100644 (file)
--- a/process.cpp
+++ b/process.cpp
@@ -46,8 +46,6 @@ process::process(int argc, char* argv[])
         rev_neigh.insert(std::make_pair(host, ptr));
     }
 
-    comp = 0.0;
-
     prev_load_broadcast = -1;   // force sending of load on first send_all()
     expected_load = real_load;
     total_load_running += real_load;
@@ -88,7 +86,7 @@ process::~process()
     XBT_INFO("Final load after %d:%d iterations: %g",
              lb_iter, comp_iter, real_load);
     XBT_VERB("Expected load was: %g", expected_load);
-    XBT_VERB("Total computation for this process: %g", comp);
+    XBT_VERB("Total computation for this process: %g", get_comp_amount());
 }
 
 int process::run()
@@ -195,7 +193,7 @@ void process::compute_loop()
         TRACE_msg_set_task_category(task, TRACE_CAT_COMP);
         XBT_DEBUG("compute %g flop%s", flops, ESSE(flops));
         MSG_task_execute(task);
-        comp += flops;
+        add_comp_amount(flops);
         MSG_task_destroy(task);
 
         sleep_until_date(next_iter_after_date, opt::min_comp_iter_duration);
@@ -226,6 +224,10 @@ bool process::still_running()
     if (!last_status) {
         /* nop */
 
+    } else if (opt::exit_request) {
+        XBT_VERB("Global exit requested");
+        last_status = false;
+
     } else if (opt::time_limit && MSG_get_clock() >= opt::time_limit) {
         XBT_VERB("Reached time limit: %g/%g", MSG_get_clock(), opt::time_limit);
         last_status = false;
@@ -284,16 +286,19 @@ void process::send(neighbor& nb, double amount)
 void process::ctrl_send(neighbor& nb)
 {
     double info_to_send = expected_load;
-    if (info_to_send != prev_load_broadcast)
-        comm.ctrl_send(nb.get_ctrl_mbox(),
-                       new message(message::INFO, info_to_send));
+    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();
         if (debt_to_send > 0.0) {
             nb.set_to_send(0.0);
             nb.set_debt(nb.get_debt() + debt_to_send);
-            comm.ctrl_send(nb.get_ctrl_mbox(),
-                           new message(message::CREDIT, 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);
         }
     }
 }
@@ -302,23 +307,33 @@ void process::data_send(neighbor& nb)
 {
     double load_to_send;
     if (opt::bookkeeping) {
-        if (real_load <= nb.get_debt()) {
-            load_to_send = real_load;
+        load_to_send = std::min(real_load, nb.get_debt());
+        if (load_to_send >= opt::min_transfer_amount) {
             nb.set_debt(nb.get_debt() - load_to_send);
-            real_load = 0.0;
-        } else {
-            load_to_send = nb.get_debt();
-            nb.set_debt(0.0);
             real_load -= load_to_send;
+        } else {
+            load_to_send = 0.0;
         }
     } else {
         load_to_send = nb.get_to_send();
-        nb.set_to_send(0.0);
-        real_load -= load_to_send;
+        if (load_to_send >= opt::min_transfer_amount) {
+            nb.set_to_send(0.0);
+            real_load -= load_to_send;
+        } else {
+            load_to_send = 0.0;
+        }
+    }
+    while (load_to_send > 0.0) {
+        double amount;
+        if (opt::max_transfer_amount)
+            amount = std::min(load_to_send, opt::max_transfer_amount);
+        else
+            amount = load_to_send;
+        message* msg = new message(message::LOAD, amount);
+        add_data_send_mesg(msg->get_size());
+        comm.data_send(nb.get_data_mbox(), msg);
+        load_to_send -= amount;
     }
-    if (load_to_send > 0.0)
-        comm.data_send(nb.get_data_mbox(),
-                       new message(message::LOAD, load_to_send));
 }
 
 void process::ctrl_close(neighbor& nb)
@@ -338,6 +353,8 @@ void process::ctrl_receive(double timeout)
 
     XBT_DEBUG("%sblocking receive on ctrl (%g)", "\0non-" + !timeout, timeout);
     while (ctrl_close_pending && comm.ctrl_recv(msg, from, timeout)) {
+        if (msg->get_type() != message::CTRL_CLOSE)
+            add_ctrl_recv_mesg(msg->get_size());
         handle_message(msg, from);
         timeout = 0.0;
     }
@@ -350,6 +367,8 @@ void process::data_receive(double timeout)
 
     XBT_DEBUG("%sblocking receive on data (%g)", "\0non-" + !timeout, timeout);
     while (data_close_pending && comm.data_recv(msg, from, timeout)) {
+        if (msg->get_type() != message::DATA_CLOSE)
+            add_data_recv_mesg(msg->get_size());
         handle_message(msg, from);
         timeout = 0.0;
     }