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attempt to fully trace ptasks
[simgrid.git] / src / surf / ptask_L07.cpp
index 9e80916..bffa333 100644 (file)
@@ -3,15 +3,11 @@
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
-#include <cstdlib>
-
-#include <algorithm>
-#include <unordered_set>
-
 #include "ptask_L07.hpp"
+#include "surf/surf.hpp"
+#include "xbt/config.hpp"
 
-#include "cpu_interface.hpp"
-#include "xbt/utility.hpp"
+#include <unordered_set>
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
 XBT_LOG_EXTERNAL_CATEGORY(xbt_cfg);
@@ -22,22 +18,21 @@ XBT_LOG_EXTERNAL_CATEGORY(xbt_cfg);
 void surf_host_model_init_ptask_L07()
 {
   XBT_CINFO(xbt_cfg,"Switching to the L07 model to handle parallel tasks.");
-  xbt_assert(not surf_cpu_model_pm, "CPU model type already defined");
-  xbt_assert(not surf_network_model, "network model type already defined");
+  xbt_assert(not surf_cpu_model_pm, "Cannot switch to ptasks: CPU model already defined");
+  xbt_assert(not surf_network_model, "Cannot switch to ptasks: network model already defined");
 
   surf_host_model = new simgrid::surf::HostL07Model();
-  all_existing_models->push_back(surf_host_model);
+  all_existing_models.push_back(surf_host_model);
 }
 
-
 namespace simgrid {
 namespace surf {
 
 HostL07Model::HostL07Model() : HostModel() {
-  maxmin_system_            = new simgrid::kernel::lmm::System(true /* selective update */);
-  maxmin_system_->solve_fun = &simgrid::kernel::lmm::bottleneck_solve;
-  surf_network_model        = new NetworkL07Model(this, maxmin_system_);
-  surf_cpu_model_pm         = new CpuL07Model(this, maxmin_system_);
+  auto* maxmin_system = new simgrid::kernel::lmm::FairBottleneck(true /* selective update */);
+  set_maxmin_system(maxmin_system);
+  surf_network_model = new NetworkL07Model(this, maxmin_system);
+  surf_cpu_model_pm  = new CpuL07Model(this, maxmin_system);
 }
 
 HostL07Model::~HostL07Model()
@@ -46,31 +41,33 @@ HostL07Model::~HostL07Model()
   delete surf_cpu_model_pm;
 }
 
-CpuL07Model::CpuL07Model(HostL07Model* hmodel, kernel::lmm::System* sys) : CpuModel(), hostModel_(hmodel)
+CpuL07Model::CpuL07Model(HostL07Model* hmodel, kernel::lmm::System* sys)
+    : CpuModel(Model::UpdateAlgo::FULL), hostModel_(hmodel)
 {
-  maxmin_system_ = sys;
+  set_maxmin_system(sys);
 }
 
 CpuL07Model::~CpuL07Model()
 {
-  maxmin_system_ = nullptr;
+  set_maxmin_system(nullptr);
 }
 
-NetworkL07Model::NetworkL07Model(HostL07Model* hmodel, kernel::lmm::System* sys) : NetworkModel(), hostModel_(hmodel)
+NetworkL07Model::NetworkL07Model(HostL07Model* hmodel, kernel::lmm::System* sys)
+    : NetworkModel(Model::UpdateAlgo::FULL), hostModel_(hmodel)
 {
-  maxmin_system_ = sys;
-  loopback_     = NetworkL07Model::createLink("__loopback__", 498000000, 0.000015, SURF_LINK_FATPIPE);
+  set_maxmin_system(sys);
+  loopback_ = NetworkL07Model::create_link("__loopback__", 498000000, 0.000015, s4u::Link::SharingPolicy::FATPIPE);
 }
 
 NetworkL07Model::~NetworkL07Model()
 {
-  maxmin_system_ = nullptr;
+  set_maxmin_system(nullptr);
 }
 
-double HostL07Model::nextOccuringEvent(double now)
+double HostL07Model::next_occuring_event(double now)
 {
-  double min = HostModel::nextOccuringEventFull(now);
-  for (kernel::resource::Action const& action : *getRunningActionSet()) {
+  double min = HostModel::next_occuring_event_full(now);
+  for (kernel::resource::Action const& action : *get_started_action_set()) {
     const L07Action& net_action = static_cast<const L07Action&>(action);
     if (net_action.latency_ > 0 && (min < 0 || net_action.latency_ < min)) {
       min = net_action.latency_;
@@ -82,9 +79,9 @@ double HostL07Model::nextOccuringEvent(double now)
   return min;
 }
 
-void HostL07Model::updateActionsState(double /*now*/, double delta)
+void HostL07Model::update_actions_state(double /*now*/, double delta)
 {
-  for (auto it = std::begin(*getRunningActionSet()); it != std::end(*getRunningActionSet());) {
+  for (auto it = std::begin(*get_started_action_set()); it != std::end(*get_started_action_set());) {
     L07Action& action = static_cast<L07Action&>(*it);
     ++it; // increment iterator here since the following calls to action.finish() may invalidate it
     if (action.latency_ > 0) {
@@ -95,12 +92,13 @@ void HostL07Model::updateActionsState(double /*now*/, double delta)
       }
       if ((action.latency_ <= 0.0) && (action.is_suspended() == 0)) {
         action.updateBound();
-        maxmin_system_->update_variable_weight(action.getVariable(), 1.0);
+        get_maxmin_system()->update_variable_weight(action.get_variable(), 1.0);
+        action.set_last_update();
       }
     }
     XBT_DEBUG("Action (%p) : remains (%g) updated by %g.", &action, action.get_remains(),
-              action.getVariable()->get_value() * delta);
-    action.update_remains(action.getVariable()->get_value() * delta);
+              action.get_variable()->get_value() * delta);
+    action.update_remains(action.get_variable()->get_value() * delta);
 
     if (action.get_max_duration() > NO_MAX_DURATION)
       action.update_max_duration(delta);
@@ -113,29 +111,29 @@ void HostL07Model::updateActionsState(double /*now*/, double delta)
      * If it's not done, it may have failed.
      */
 
-    if (((action.get_remains() <= 0) && (action.getVariable()->get_weight() > 0)) ||
+    if (((action.get_remains() <= 0) && (action.get_variable()->get_weight() > 0)) ||
         ((action.get_max_duration() > NO_MAX_DURATION) && (action.get_max_duration() <= 0))) {
-      action.finish(kernel::resource::Action::State::done);
+      action.finish(kernel::resource::Action::State::FINISHED);
     } else {
       /* Need to check that none of the model has failed */
       int i = 0;
-      kernel::lmm::Constraint* cnst = action.getVariable()->get_constraint(i);
+      kernel::lmm::Constraint* cnst = action.get_variable()->get_constraint(i);
       while (cnst != nullptr) {
         i++;
         void* constraint_id = cnst->get_id();
-        if (static_cast<simgrid::kernel::resource::Resource*>(constraint_id)->isOff()) {
+        if (static_cast<simgrid::kernel::resource::Resource*>(constraint_id)->is_off()) {
           XBT_DEBUG("Action (%p) Failed!!", &action);
-          action.finish(kernel::resource::Action::State::failed);
+          action.finish(kernel::resource::Action::State::FAILED);
           break;
         }
-        cnst = action.getVariable()->get_constraint(i);
+        cnst = action.get_variable()->get_constraint(i);
       }
     }
   }
 }
 
-kernel::resource::Action* HostL07Model::executeParallelTask(int host_nb, sg_host_t* host_list, double* flops_amount,
-                                                            double* bytes_amount, double rate)
+kernel::resource::Action* HostL07Model::execute_parallel(int host_nb, sg_host_t* host_list, double* flops_amount,
+                                                         double* bytes_amount, double rate)
 {
   return new L07Action(this, host_nb, host_list, flops_amount, bytes_amount, rate);
 }
@@ -147,6 +145,7 @@ L07Action::L07Action(kernel::resource::Model* model, int host_nb, sg_host_t* hos
   int nb_link = 0;
   int nb_used_host = 0; /* Only the hosts with something to compute (>0 flops) are counted) */
   double latency = 0.0;
+  this->set_last_update();
 
   this->hostList_->reserve(host_nb);
   for (int i = 0; i < host_nb; i++) {
@@ -165,12 +164,12 @@ L07Action::L07Action(kernel::resource::Model* model, int host_nb, sg_host_t* hos
         if (bytes_amount[i * host_nb + j] > 0) {
           double lat=0.0;
 
-          std::vector<LinkImpl*> route;
-          hostList_->at(i)->routeTo(hostList_->at(j), route, &lat);
+          std::vector<kernel::resource::LinkImpl*> route;
+          hostList_->at(i)->route_to(hostList_->at(j), route, &lat);
           latency = std::max(latency, lat);
 
           for (auto const& link : route)
-            affected_links.insert(link->getCname());
+            affected_links.insert(link->get_cname());
         }
       }
     }
@@ -181,24 +180,24 @@ L07Action::L07Action(kernel::resource::Model* model, int host_nb, sg_host_t* hos
   XBT_DEBUG("Creating a parallel task (%p) with %d hosts and %d unique links.", this, host_nb, nb_link);
   latency_ = latency;
 
-  setVariable(model->getMaxminSystem()->variable_new(this, 1.0, (rate > 0 ? rate : -1.0), host_nb + nb_link));
+  set_variable(model->get_maxmin_system()->variable_new(this, 1.0, (rate > 0 ? rate : -1.0), host_nb + nb_link));
 
   if (latency_ > 0)
-    model->getMaxminSystem()->update_variable_weight(getVariable(), 0.0);
+    model->get_maxmin_system()->update_variable_weight(get_variable(), 0.0);
 
   for (int i = 0; i < host_nb; i++)
-    model->getMaxminSystem()->expand(host_list[i]->pimpl_cpu->constraint(), getVariable(), flops_amount[i]);
+    model->get_maxmin_system()->expand(host_list[i]->pimpl_cpu->get_constraint(), get_variable(), flops_amount[i]);
 
   if(bytes_amount != nullptr) {
     for (int i = 0; i < host_nb; i++) {
       for (int j = 0; j < host_nb; j++) {
         if (bytes_amount[i * host_nb + j] > 0.0) {
-          std::vector<LinkImpl*> route;
-          hostList_->at(i)->routeTo(hostList_->at(j), route, nullptr);
+          std::vector<kernel::resource::LinkImpl*> route;
+          hostList_->at(i)->route_to(hostList_->at(j), route, nullptr);
 
           for (auto const& link : route)
-            model->getMaxminSystem()->expand_add(link->constraint(), this->getVariable(),
-                                                 bytes_amount[i * host_nb + j]);
+            model->get_maxmin_system()->expand_add(link->get_constraint(), this->get_variable(),
+                                                   bytes_amount[i * host_nb + j]);
         }
       }
     }
@@ -221,16 +220,16 @@ kernel::resource::Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host
   host_list[1]    = dst;
   bytes_amount[1] = size;
 
-  return hostModel_->executeParallelTask(2, host_list, flops_amount, bytes_amount, rate);
+  return hostModel_->execute_parallel(2, host_list, flops_amount, bytes_amount, rate);
 }
 
-Cpu *CpuL07Model::createCpu(simgrid::s4u::Host *host,  std::vector<double> *speedPerPstate, int core)
+Cpu* CpuL07Model::create_cpu(simgrid::s4u::Host* host, std::vector<double>* speed_per_pstate, int core)
 {
-  return new CpuL07(this, host, speedPerPstate, core);
+  return new CpuL07(this, host, speed_per_pstate, core);
 }
 
-LinkImpl* NetworkL07Model::createLink(const std::string& name, double bandwidth, double latency,
-                                      e_surf_link_sharing_policy_t policy)
+kernel::resource::LinkImpl* NetworkL07Model::create_link(const std::string& name, double bandwidth, double latency,
+                                                         s4u::Link::SharingPolicy policy)
 {
   return new LinkL07(this, name, bandwidth, latency, policy);
 }
@@ -239,24 +238,25 @@ LinkImpl* NetworkL07Model::createLink(const std::string& name, double bandwidth,
  * Resource *
  ************/
 
-CpuL07::CpuL07(CpuL07Model* model, simgrid::s4u::Host* host, std::vector<double>* speedPerPstate, int core)
-    : Cpu(model, host, model->getMaxminSystem()->constraint_new(this, speedPerPstate->front()), speedPerPstate, core)
+CpuL07::CpuL07(CpuL07Model* model, simgrid::s4u::Host* host, std::vector<double>* speed_per_pstate, int core)
+    : Cpu(model, host, model->get_maxmin_system()->constraint_new(this, speed_per_pstate->front()), speed_per_pstate,
+          core)
 {
 }
 
 CpuL07::~CpuL07()=default;
 
 LinkL07::LinkL07(NetworkL07Model* model, const std::string& name, double bandwidth, double latency,
-                 e_surf_link_sharing_policy_t policy)
-    : LinkImpl(model, name, model->getMaxminSystem()->constraint_new(this, bandwidth))
+                 s4u::Link::SharingPolicy policy)
+    : LinkImpl(model, name, model->get_maxmin_system()->constraint_new(this, bandwidth))
 {
   bandwidth_.peak = bandwidth;
   latency_.peak   = latency;
 
-  if (policy == SURF_LINK_FATPIPE)
-    constraint()->unshare();
+  if (policy == s4u::Link::SharingPolicy::FATPIPE)
+    get_constraint()->unshare();
 
-  s4u::Link::onCreation(this->piface_);
+  s4u::Link::on_creation(this->piface_);
 }
 
 kernel::resource::Action* CpuL07::execution_start(double size)
@@ -264,10 +264,10 @@ kernel::resource::Action* CpuL07::execution_start(double size)
   sg_host_t* host_list = new sg_host_t[1]();
   double* flops_amount = new double[1]();
 
-  host_list[0] = getHost();
+  host_list[0]    = get_host();
   flops_amount[0] = size;
 
-  return static_cast<CpuL07Model*>(model())->hostModel_->executeParallelTask(1, host_list, flops_amount, nullptr, -1);
+  return static_cast<CpuL07Model*>(get_model())->hostModel_->execute_parallel(1, host_list, flops_amount, nullptr, -1);
 }
 
 kernel::resource::Action* CpuL07::sleep(double duration)
@@ -275,49 +275,51 @@ kernel::resource::Action* CpuL07::sleep(double duration)
   L07Action *action = static_cast<L07Action*>(execution_start(1.0));
   action->set_max_duration(duration);
   action->suspended_ = kernel::resource::Action::SuspendStates::sleeping;
-  model()->getMaxminSystem()->update_variable_weight(action->getVariable(), 0.0);
+  get_model()->get_maxmin_system()->update_variable_weight(action->get_variable(), 0.0);
 
   return action;
 }
 
-bool CpuL07::isUsed(){
-  return model()->getMaxminSystem()->constraint_used(constraint());
+bool CpuL07::is_used()
+{
+  return get_model()->get_maxmin_system()->constraint_used(get_constraint());
 }
 
 /** @brief take into account changes of speed (either load or max) */
-void CpuL07::onSpeedChange() {
+void CpuL07::on_speed_change()
+{
   kernel::lmm::Variable* var = nullptr;
-  const_lmm_element_t elem = nullptr;
+  const kernel::lmm::Element* elem = nullptr;
 
-  model()->getMaxminSystem()->update_constraint_bound(constraint(), speed_.peak * speed_.scale);
-  while ((var = constraint()->get_variable(&elem))) {
+  get_model()->get_maxmin_system()->update_constraint_bound(get_constraint(), speed_.peak * speed_.scale);
+  while ((var = get_constraint()->get_variable(&elem))) {
     kernel::resource::Action* action = static_cast<kernel::resource::Action*>(var->get_id());
 
-    model()->getMaxminSystem()->update_variable_bound(action->getVariable(), speed_.scale * speed_.peak);
+    get_model()->get_maxmin_system()->update_variable_bound(action->get_variable(), speed_.scale * speed_.peak);
   }
 
-  Cpu::onSpeedChange();
+  Cpu::on_speed_change();
 }
 
-
-bool LinkL07::isUsed(){
-  return model()->getMaxminSystem()->constraint_used(constraint());
+bool LinkL07::is_used()
+{
+  return get_model()->get_maxmin_system()->constraint_used(get_constraint());
 }
 
 void CpuL07::apply_event(tmgr_trace_event_t triggered, double value)
 {
-  XBT_DEBUG("Updating cpu %s (%p) with value %g", getCname(), this, value);
+  XBT_DEBUG("Updating cpu %s (%p) with value %g", get_cname(), this, value);
   if (triggered == speed_.event) {
     speed_.scale = value;
-    onSpeedChange();
+    on_speed_change();
     tmgr_trace_event_unref(&speed_.event);
 
-  } else if (triggered == stateEvent_) {
+  } else if (triggered == state_event_) {
     if (value > 0)
-      turnOn();
+      turn_on();
     else
-      turnOff();
-    tmgr_trace_event_unref(&stateEvent_);
+      turn_off();
+    tmgr_trace_event_unref(&state_event_);
 
   } else {
     xbt_die("Unknown event!\n");
@@ -326,41 +328,43 @@ void CpuL07::apply_event(tmgr_trace_event_t triggered, double value)
 
 void LinkL07::apply_event(tmgr_trace_event_t triggered, double value)
 {
-  XBT_DEBUG("Updating link %s (%p) with value=%f", getCname(), this, value);
+  XBT_DEBUG("Updating link %s (%p) with value=%f", get_cname(), this, value);
   if (triggered == bandwidth_.event) {
-    setBandwidth(value);
+    set_bandwidth(value);
     tmgr_trace_event_unref(&bandwidth_.event);
 
   } else if (triggered == latency_.event) {
-    setLatency(value);
+    set_latency(value);
     tmgr_trace_event_unref(&latency_.event);
 
-  } else if (triggered == stateEvent_) {
+  } else if (triggered == state_event_) {
     if (value > 0)
-      turnOn();
+      turn_on();
     else
-      turnOff();
-    tmgr_trace_event_unref(&stateEvent_);
+      turn_off();
+    tmgr_trace_event_unref(&state_event_);
 
   } else {
     xbt_die("Unknown event ! \n");
   }
 }
 
-void LinkL07::setBandwidth(double value)
+void LinkL07::set_bandwidth(double value)
 {
   bandwidth_.peak = value;
-  model()->getMaxminSystem()->update_constraint_bound(constraint(), bandwidth_.peak * bandwidth_.scale);
+  LinkImpl::on_bandwidth_change();
+
+  get_model()->get_maxmin_system()->update_constraint_bound(get_constraint(), bandwidth_.peak * bandwidth_.scale);
 }
 
-void LinkL07::setLatency(double value)
+void LinkL07::set_latency(double value)
 {
   kernel::lmm::Variable* var = nullptr;
   L07Action *action;
-  const_lmm_element_t elem = nullptr;
+  const kernel::lmm::Element* elem = nullptr;
 
   latency_.peak = value;
-  while ((var = constraint()->get_variable(&elem))) {
+  while ((var = get_constraint()->get_variable(&elem))) {
     action = static_cast<L07Action*>(var->get_id());
     action->updateBound();
   }
@@ -389,21 +393,21 @@ void L07Action::updateBound()
 
         if (communicationAmount_[i * hostNb + j] > 0) {
           double lat = 0.0;
-          std::vector<LinkImpl*> route;
-          hostList_->at(i)->routeTo(hostList_->at(j), route, &lat);
+          std::vector<kernel::resource::LinkImpl*> route;
+          hostList_->at(i)->route_to(hostList_->at(j), route, &lat);
 
           lat_current = std::max(lat_current, lat * communicationAmount_[i * hostNb + j]);
         }
       }
     }
   }
-  double lat_bound = sg_tcp_gamma / (2.0 * lat_current);
+  double lat_bound = kernel::resource::NetworkModel::cfg_tcp_gamma / (2.0 * lat_current);
   XBT_DEBUG("action (%p) : lat_bound = %g", this, lat_bound);
   if ((latency_ <= 0.0) && (suspended_ == Action::SuspendStates::not_suspended)) {
     if (rate_ < 0)
-      get_model()->getMaxminSystem()->update_variable_bound(getVariable(), lat_bound);
+      get_model()->get_maxmin_system()->update_variable_bound(get_variable(), lat_bound);
     else
-      get_model()->getMaxminSystem()->update_variable_bound(getVariable(), std::min(rate_, lat_bound));
+      get_model()->get_maxmin_system()->update_variable_bound(get_variable(), std::min(rate_, lat_bound));
   }
 }