X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/29d6013f6a85f43d958add37f8317cf038cf335b..751ae9fcfc70b0b48670338c2273e2eaebc388d2:/process.cpp?ds=inline

diff --git a/process.cpp b/process.cpp
index cd11433..8a165c1 100644
--- a/process.cpp
+++ b/process.cpp
@@ -20,7 +20,7 @@ double process::total_load_exit = 0.0;
 
 process::process(int argc, char* argv[])
 {
-    if (argc < 2 || !(std::istringstream(argv[1]) >> load))
+    if (argc < 2 || !(std::istringstream(argv[1]) >> real_load))
         throw std::invalid_argument("bad or missing initial load parameter");
 
     neigh.assign(argv + 2, argv + argc);
@@ -36,14 +36,16 @@ process::process(int argc, char* argv[])
     comp = 0.0;
 
     prev_load_broadcast = -1;   // force sending of load on first send_all()
-    expected_load = load;
-    total_load_running += load;
-    total_load_init += load;
+    expected_load = real_load;
+    total_load_running += real_load;
+    total_load_init += real_load;
 
     ctrl_close_pending = data_close_pending = neigh.size();
     close_received = false;
     finalizing = false;
 
+    comp_iter = lb_iter = 0;
+
     e_xbt_log_priority_t logp = xbt_log_priority_verbose;
     if (!LOG_ISENABLED(logp))
         return;
@@ -56,35 +58,33 @@ process::process(int argc, char* argv[])
                        std::tr1::mem_fn(&neighbor::get_name));
         oss << neigh.back().get_name();
     }
-    LOG1(logp, "Got %s.", oss.str().c_str());
+    XBT_LOG(logp, "Got %s.", oss.str().c_str());
     print_loads(false, logp);
 }
 
 process::~process()
 {
-    total_load_exit += load;
+    total_load_exit += real_load;
     if (opt::bookkeeping) {
-        INFO4("Final load after %d:%d iterations: %g ; expected: %g",
-              lb_iter, comp_iter, load, expected_load);
+        XBT_INFO("Final load after %d:%d iterations: %g ; expected: %g",
+                 lb_iter, comp_iter, real_load, expected_load);
     } else {
-        INFO2("Final load after %d iterations: %g",
-              lb_iter, load);
+        XBT_INFO("Final load after %d iterations: %g",
+                 lb_iter, real_load);
         if (lb_iter != comp_iter)
-            WARN2("lb_iter (%d) and comp_iter (%d) differ!",
-                  lb_iter, comp_iter);
+            XBT_WARN("lb_iter (%d) and comp_iter (%d) differ!",
+                     lb_iter, comp_iter);
     }
-    VERB1("Total computation for this process: %g", comp);
+    XBT_VERB("Total computation for this process: %g", comp);
 }
 
 int process::run()
 {
     double next_iter_after_date = 0.0;
-    INFO1("Initial load: %g", load);
-    VERB0("Starting...");
-    comp_iter = lb_iter = 0;
+    XBT_INFO("Initial load: %g", real_load);
+    XBT_VERB("Starting...");
     while (true) {
-        double ld = lb_load();
-        if (ld > 0.0) {
+        if (get_load() > 0.0) {
             double now = MSG_get_clock();
             if (now < next_iter_after_date)
                 MSG_process_sleep(next_iter_after_date - now);
@@ -94,43 +94,42 @@ int process::run()
 
             if (opt::log_rate && lb_iter % opt::log_rate == 0) {
                 if (opt::bookkeeping)
-                    INFO4("(%u:%u) current load: %g ; expected: %g",
-                          lb_iter, comp_iter, load, expected_load);
+                    XBT_INFO("(%u:%u) current load: %g ; expected: %g",
+                             lb_iter, comp_iter, real_load, expected_load);
                 else
-                    INFO2("(%u) current load: %g",
-                          lb_iter, load);
+                    XBT_INFO("(%u) current load: %g",
+                             lb_iter, real_load);
             }
 
-            ld -= load_balance(ld);
+            load_balance();
 
             print_loads(true, xbt_log_priority_debug);
         }
-        lb_load() = ld;
 
         // send load information, and load (data) if any
         send_all();
-        if (load > 0.0) {
+        if (real_load > 0.0) {
             ++comp_iter;
             compute();
         }
 
         if (opt::lb_maxiter && lb_iter >= opt::lb_maxiter) {
-            VERB2("Reached lb_maxiter: %d/%d", lb_iter, opt::lb_maxiter);
+            XBT_VERB("Reached lb_maxiter: %d/%d", lb_iter, opt::lb_maxiter);
             break;
         }
         if (opt::comp_maxiter && comp_iter >= opt::comp_maxiter) {
-            VERB2("Reached comp_maxiter: %d/%d", comp_iter, opt::comp_maxiter);
+            XBT_VERB("Reached comp_maxiter: %d/%d", comp_iter, opt::comp_maxiter);
             break;
         }
         if (opt::time_limit && MSG_get_clock() >= opt::time_limit) {
-            VERB2("Reached time limit: %g/%g", MSG_get_clock(), opt::time_limit);
+            XBT_VERB("Reached time limit: %g/%g", MSG_get_clock(), opt::time_limit);
             break;
         }
 
         // block on receiving unless there is something to compute or
         // to send
         double timeout;
-        if (load != 0 || lb_load() != prev_load_broadcast)
+        if (real_load != 0 || get_load() != prev_load_broadcast)
             timeout = 0.0;
         else if (opt::min_iter_duration)
             timeout = opt::min_iter_duration;
@@ -140,13 +139,13 @@ int process::run()
 
         // one of our neighbor is finalizing
         if (opt::exit_on_close && close_received) {
-            VERB0("Close received");
+            XBT_VERB("Close received");
             break;
         }
 
         // have no load and cannot receive anything
-        if (load == 0.0 && !may_receive()) {
-            VERB0("I'm a poor lonesome process, and I have no load...");
+        if (real_load == 0.0 && !may_receive()) {
+            XBT_VERB("I'm a poor lonesome process, and I have no load...");
             break;
         }
 
@@ -155,13 +154,13 @@ int process::run()
         // fixme: should this chunk be moved before call to receive() ?
         if (100.0 * total_load_running / total_load_init <=
             opt::load_ratio_threshold) {
-            VERB0("No more load to balance in system.");
+            XBT_VERB("No more load to balance in system.");
             break;
         } else {
-            DEBUG1("still %g load to balance, continuing...", total_load_running);
+            XBT_DEBUG("still %g load to balance, continuing...", total_load_running);
         }
     }
-    VERB0("Going to finalize...");
+    XBT_VERB("Going to finalize...");
     finalize();
 
     /* Open Questions :
@@ -170,36 +169,42 @@ int process::run()
      * - how to manage link failures ?
      */
 
-    VERB0("Done.");
+    XBT_VERB("Done.");
     return 0;
 }
 
-double process::load_balance(double /*my_load*/)
+void process::load_balance()
 {
     if (lb_iter == 1)           // warn only once
-        WARN0("process::load_balance() is a no-op!");
-    return 0.0;
+        XBT_WARN("process::load_balance() is a no-op!");
 }
 
 void process::compute()
 {
-    if (load > 0.0) {
-        double flops = opt::comp_cost(load);
+    if (real_load > 0.0) {
+        double flops = opt::comp_cost(real_load);
         m_task_t task = MSG_task_create("computation", flops, 0.0, NULL);
         TRACE_msg_set_task_category(task, TRACE_CAT_COMP);
-        DEBUG2("compute %g flop%s", flops, ESSE(flops));
+        XBT_DEBUG("compute %g flop%s", flops, ESSE(flops));
         MSG_task_execute(task);
         comp += flops;
         MSG_task_destroy(task);
     } else {
-        DEBUG0("nothing to compute !");
+        XBT_DEBUG("nothing to compute !");
     }
 }
 
+void process::send(neighbor& nb, double amount)
+{
+    set_load(get_load() - amount);
+    nb.set_to_send(nb.get_to_send() + amount);
+    nb.set_load(nb.get_load() + amount); // fixme: make this optional?
+}
+
 void process::send1_no_bookkeeping(neighbor& nb)
 {
-    if (load != prev_load_broadcast)
-        comm.send(nb.get_ctrl_mbox(), new message(message::INFO, load));
+    if (real_load != prev_load_broadcast)
+        comm.send(nb.get_ctrl_mbox(), new message(message::INFO, real_load));
     double load_to_send = nb.get_to_send();
     if (load_to_send > 0.0) {
         comm.send(nb.get_data_mbox(), new message(message::LOAD, load_to_send));
@@ -223,14 +228,14 @@ void process::send1_bookkeeping(neighbor& nb)
     } else {
         new_debt = nb.get_debt();
     }
-    if (load <= new_debt) {
-        load_to_send = load;
+    if (real_load <= new_debt) {
+        load_to_send = real_load;
         nb.set_debt(new_debt - load_to_send);
-        load = 0.0;
+        real_load = 0.0;
     } else {
         load_to_send = new_debt;
         nb.set_debt(0.0);
-        load -= load_to_send;
+        real_load -= load_to_send;
     }
     if (load_to_send > 0.0)
         comm.send(nb.get_data_mbox(), new message(message::LOAD, load_to_send));
@@ -248,7 +253,7 @@ void process::send_all()
     } else {
         std::for_each(neigh.begin(), neigh.end(),
                       bind(&process::send1_no_bookkeeping, this, _1));
-        prev_load_broadcast = load;
+        prev_load_broadcast = real_load;
     }
     comm.flush(false);
 }
@@ -258,7 +263,7 @@ void process::receive(double timeout)
     message* msg;
     m_host_t from;
 
-    DEBUG2("%sblocking receive (%g)", "\0non-" + !timeout, timeout);
+    XBT_DEBUG("%sblocking receive (%g)", "\0non-" + !timeout, timeout);
     while (may_receive() && comm.recv(msg, from, timeout)) {
         switch (msg->get_type()) {
         case message::INFO: {
@@ -271,7 +276,7 @@ void process::receive(double timeout)
             break;
         case message::LOAD: {
             double ld = msg->get_amount();
-            load += ld;
+            real_load += ld;
             if (finalizing)
                 total_load_running -= ld;
             break;
@@ -303,17 +308,16 @@ void process::finalize()
     using std::tr1::placeholders::_1;
 
     finalizing = true;
-    total_load_running -= load;
+    total_load_running -= real_load;
 
-    DEBUG2("send CLOSE to %lu neighbor%s",
-           (unsigned long )neigh.size(), ESSE(neigh.size()));
+    XBT_DEBUG("send CLOSE to %zu neighbor%s", neigh.size(), ESSE(neigh.size()));
     std::for_each(neigh.begin(), neigh.end(),
                   bind(&process::finalize1, this, _1));
 
-    DEBUG2("wait for CLOSE from %lu neighbor%s",
-           (unsigned long )neigh.size(), ESSE(neigh.size()));
     while (may_receive()) {
         comm.flush(false);
+        XBT_DEBUG("waiting for %d CTRL and %d DATA CLOSE",
+                  ctrl_close_pending, data_close_pending);
         receive(-1.0);
     }
 
@@ -324,7 +328,7 @@ void process::finalize()
     if (_XBT_LOG_ISENABLEDV((*cat), logp)) {                            \
         using std::tr1::bind;                                           \
         using std::tr1::placeholders::_1;                               \
-        XCLOG0(cat, logp, "Neighbor loads:");                           \
+        XBT_XCLOG(cat, logp, "Neighbor loads:");                        \
         std::for_each(vec.begin(), vec.end(),                           \
                       bind(&neighbor::print, _1, verbose, logp, cat));  \
     } else ((void)0)