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Merge branch 'master' of scm.gforge.inria.fr:/gitroot/simgrid/simgrid
[simgrid.git] / src / surf / network_cm02.cpp
index a2f7152..91a4622 100644 (file)
@@ -88,11 +88,10 @@ void surf_network_model_init_Reno()
   if (surf_network_model)
     return;
 
-  surf_network_model = new simgrid::surf::NetworkCm02Model();
+  surf_network_model = new simgrid::surf::NetworkCm02Model(lagrange_solve);
   all_existing_models->push_back(surf_network_model);
 
   lmm_set_default_protocol_function(func_reno_f, func_reno_fp, func_reno_fpi);
-  surf_network_model->f_networkSolve = lagrange_solve;
 
   xbt_cfg_setdefault_double("network/latency-factor",     10.4);
   xbt_cfg_setdefault_double("network/bandwidth-factor",    0.92);
@@ -105,11 +104,10 @@ void surf_network_model_init_Reno2()
   if (surf_network_model)
     return;
 
-  surf_network_model = new simgrid::surf::NetworkCm02Model();
+  surf_network_model = new simgrid::surf::NetworkCm02Model(lagrange_solve);
   all_existing_models->push_back(surf_network_model);
 
   lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp, func_reno2_fpi);
-  surf_network_model->f_networkSolve = lagrange_solve;
 
   xbt_cfg_setdefault_double("network/latency-factor",    10.4);
   xbt_cfg_setdefault_double("network/bandwidth-factor",   0.92);
@@ -121,11 +119,10 @@ void surf_network_model_init_Vegas()
   if (surf_network_model)
     return;
 
-  surf_network_model = new simgrid::surf::NetworkCm02Model();
+  surf_network_model = new simgrid::surf::NetworkCm02Model(lagrange_solve);
   all_existing_models->push_back(surf_network_model);
 
   lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp, func_vegas_fpi);
-  surf_network_model->f_networkSolve = lagrange_solve;
 
   xbt_cfg_setdefault_double("network/latency-factor",    10.4);
   xbt_cfg_setdefault_double("network/bandwidth-factor",   0.92);
@@ -139,32 +136,37 @@ NetworkCm02Model::NetworkCm02Model()
   :NetworkModel()
 {
   char *optim = xbt_cfg_get_string("network/optim");
-  int select = xbt_cfg_get_boolean("network/maxmin-selective-update");
+  bool select = xbt_cfg_get_boolean("network/maxmin-selective-update");
 
   if (!strcmp(optim, "Full")) {
     updateMechanism_ = UM_FULL;
     selectiveUpdate_ = select;
   } else if (!strcmp(optim, "Lazy")) {
     updateMechanism_ = UM_LAZY;
-    selectiveUpdate_ = 1;
-    xbt_assert((select == 1) || (xbt_cfg_is_default_value("network/maxmin-selective-update")),
-               "Disabling selective update while using the lazy update mechanism is dumb!");
+    selectiveUpdate_ = true;
+    xbt_assert(select || (xbt_cfg_is_default_value("network/maxmin-selective-update")),
+               "You cannot disable selective update when using the lazy update mechanism");
   } else {
-    xbt_die("Unsupported optimization (%s) for this model", optim);
+    xbt_die("Unsupported optimization (%s) for this model. Accepted: Full, Lazy.", optim);
   }
 
-  if (!maxminSystem_)
-    maxminSystem_ = lmm_system_new(selectiveUpdate_);
+  maxminSystem_ = lmm_system_new(selectiveUpdate_);
 
   routing_model_create(createLink("__loopback__", 498000000, 0.000015, SURF_LINK_FATPIPE, nullptr));
 
   if (updateMechanism_ == UM_LAZY) {
-  actionHeap_ = xbt_heap_new(8, nullptr);
-  xbt_heap_set_update_callback(actionHeap_, surf_action_lmm_update_index_heap);
-  modifiedSet_ = new ActionLmmList();
-  maxminSystem_->keep_track = modifiedSet_;
+    actionHeap_ = xbt_heap_new(8, nullptr);
+    xbt_heap_set_update_callback(actionHeap_, surf_action_lmm_update_index_heap);
+    modifiedSet_ = new ActionLmmList();
+    maxminSystem_->keep_track = modifiedSet_;
   }
 }
+NetworkCm02Model::NetworkCm02Model(void (*specificSolveFun)(lmm_system_t self))
+  : NetworkCm02Model()
+{
+  maxminSystem_->solve_fun = specificSolveFun;
+}
+
 
 NetworkCm02Model::~NetworkCm02Model() {}
 
@@ -176,10 +178,10 @@ Link* NetworkCm02Model::createLink(const char *name, double bandwidth, double la
 
 void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/)
 {
-  NetworkCm02Action *action;
   while ((xbt_heap_size(actionHeap_) > 0)
          && (double_equals(xbt_heap_maxkey(actionHeap_), now, sg_surf_precision))) {
-    action = static_cast<NetworkCm02Action*> (xbt_heap_pop(actionHeap_));
+
+    NetworkCm02Action *action = static_cast<NetworkCm02Action*> (xbt_heap_pop(actionHeap_));
     XBT_DEBUG("Something happened to action %p", action);
     if (TRACE_is_enabled()) {
       int n = lmm_get_number_of_cnst_from_var(maxminSystem_, action->getVariable());
@@ -187,14 +189,10 @@ void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/)
       for (int i = 0; i < n; i++){
         lmm_constraint_t constraint = lmm_get_cnst_from_var(maxminSystem_, action->getVariable(), i);
         NetworkCm02Link *link = static_cast<NetworkCm02Link*>(lmm_constraint_id(constraint));
-        TRACE_surf_link_set_utilization(link->getName(),
-                                        action->getCategory(),
-                                        (lmm_variable_getvalue(action->getVariable())*
-                                            lmm_get_cnst_weight_from_var(maxminSystem_,
-                                                action->getVariable(),
-                                                i)),
-                                        action->getLastUpdate(),
-                                        now - action->getLastUpdate());
+        double value = lmm_variable_getvalue(action->getVariable())*
+            lmm_get_cnst_weight_from_var(maxminSystem_, action->getVariable(), i);
+        TRACE_surf_link_set_utilization(link->getName(), action->getCategory(), value,
+           action->getLastUpdate(), now - action->getLastUpdate());
       }
     }
 
@@ -206,8 +204,7 @@ void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/)
       action->refreshLastUpdate();
 
         // if I am wearing a max_duration or normal hat
-    } else if (action->getHat() == MAX_DURATION ||
-        action->getHat() == NORMAL) {
+    } else if (action->getHat() == MAX_DURATION || action->getHat() == NORMAL) {
         // no need to communicate anymore
         // assume that flows that reached max_duration have remaining of 0
       XBT_DEBUG("Action %p finished", action);
@@ -225,14 +222,13 @@ void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/)
 
 void NetworkCm02Model::updateActionsStateFull(double now, double delta)
 {
-  NetworkCm02Action *action;
   ActionList *running_actions = getRunningActionSet();
 
   for(ActionList::iterator it(running_actions->begin()), itNext=it, itend(running_actions->end())
      ; it != itend ; it=itNext) {
-  ++itNext;
+    ++itNext;
 
-    action = static_cast<NetworkCm02Action*> (&*it);
+    NetworkCm02Action *action = static_cast<NetworkCm02Action*> (&*it);
     XBT_DEBUG("Something happened to action %p", action);
       double deltap = delta;
       if (action->latency_ > 0) {
@@ -390,11 +386,6 @@ Action *NetworkCm02Model::communicate(kernel::routing::NetCard *src, kernel::rou
   return action;
 }
 
-bool NetworkCm02Model::next_occuring_event_isIdempotent()
-{
-  return true;
-}
-
 void NetworkCm02Model::gapAppend(double size, const Link* link, NetworkAction* action)
 {
   // Nothing