-/* Copyright (c) 2014-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2014-2022. The SimGrid Team. All rights reserved. */
/* 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 <utility>
-
-#include "network_ib.hpp"
+#include <simgrid/kernel/routing/NetPoint.hpp>
+#include "simgrid/sg_config.hpp"
+#include "src/kernel/EngineImpl.hpp"
+#include "src/kernel/activity/CommImpl.hpp"
#include "src/surf/HostImpl.hpp"
-#include "simgrid/sg_config.h"
-#include "maxmin_private.hpp"
-
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
-
-static void IB_create_host_callback(simgrid::s4u::Host& host){
- using simgrid::surf::NetworkIBModel;
- using simgrid::surf::IBNode;
-
- static int id=0;
- // pour t->id -> rajouter une nouvelle struct dans le dict, pour stocker les comms actives
- if(((NetworkIBModel*)surf_network_model)->active_nodes==nullptr)
- ((NetworkIBModel*)surf_network_model)->active_nodes=xbt_dict_new();
-
- IBNode* act = new IBNode(id);
-
- id++;
- xbt_dict_set(((NetworkIBModel*)surf_network_model)->active_nodes,
- host.name().c_str(), act, nullptr);
-
-}
-
-static void IB_action_state_changed_callback(
- simgrid::surf::NetworkAction *action,
- simgrid::surf::Action::State statein, simgrid::surf::Action::State stateout)
-{
- using simgrid::surf::NetworkIBModel;
- using simgrid::surf::IBNode;
-
- if(statein!=simgrid::surf::Action::State::running || stateout!=simgrid::surf::Action::State::done)
- return;
- std::pair<IBNode*,IBNode*> pair = ((NetworkIBModel*)surf_network_model)->active_comms[action];
- XBT_DEBUG("IB callback - action %p finished", action);
-
- ((NetworkIBModel*)surf_network_model)->updateIBfactors(action, pair.first, pair.second, 1);
+#include "src/surf/network_ib.hpp"
- ((NetworkIBModel*)surf_network_model)->active_comms.erase(action);
+#include <boost/algorithm/string/classification.hpp>
+#include <boost/algorithm/string/split.hpp>
-}
-
-
-static void IB_action_init_callback(
- simgrid::surf::NetworkAction *action, simgrid::routing::NetCard *src, simgrid::routing::NetCard *dst)
-{
- simgrid::surf::NetworkIBModel* ibModel = (simgrid::surf::NetworkIBModel*)surf_network_model;
-
- simgrid::surf::IBNode* act_src= (simgrid::surf::IBNode*) xbt_dict_get_or_null(ibModel->active_nodes, src->name());
- xbt_assert(act_src, "could not find src node active comms !");
-
- simgrid::surf::IBNode* act_dst= (simgrid::surf::IBNode*) xbt_dict_get_or_null(ibModel->active_nodes, dst->name());
- xbt_assert(act_dst, "could not find dst node active comms !");
-
- ibModel->active_comms[action]=std::make_pair(act_src, act_dst);
-
- ibModel->updateIBfactors(action, act_src, act_dst, 0);
-}
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(res_network);
/*********
* Model *
/* month=june, */
/* year={2010} */
/* } */
-void surf_network_model_init_IB(void)
+void surf_network_model_init_IB()
{
- using simgrid::surf::networkActionStateChangedCallbacks;
+ using simgrid::kernel::resource::NetworkIBModel;
- if (surf_network_model)
- return;
+ auto net_model = std::make_shared<NetworkIBModel>("Network_IB");
+ auto* engine = simgrid::kernel::EngineImpl::get_instance();
+ engine->add_model(net_model);
+ engine->get_netzone_root()->set_network_model(net_model);
- surf_network_model = new simgrid::surf::NetworkIBModel();
- xbt_dynar_push(all_existing_models, &surf_network_model);
- networkActionStateChangedCallbacks.connect(IB_action_state_changed_callback);
- Link::onCommunicate.connect(IB_action_init_callback);
- simgrid::s4u::Host::onCreation.connect(IB_create_host_callback);
- xbt_cfg_setdefault_double("network/weight-S", 8775);
+ simgrid::s4u::Link::on_communication_state_change_cb(NetworkIBModel::IB_action_state_changed_callback);
+ simgrid::kernel::activity::CommImpl::on_start.connect(NetworkIBModel::IB_comm_start_callback);
+ simgrid::s4u::Host::on_creation_cb(NetworkIBModel::IB_create_host_callback);
+ simgrid::config::set_default<double>("network/weight-S", 8775);
+}
+namespace simgrid {
+namespace kernel {
+namespace resource {
+
+void NetworkIBModel::IB_create_host_callback(s4u::Host const& host)
+{
+ static int id = 0;
+ auto* ibModel = static_cast<NetworkIBModel*>(host.get_netpoint()->get_englobing_zone()->get_network_model().get());
+ ibModel->active_nodes.try_emplace(host.get_name(), IBNode(id));
+ id++;
}
-#include "src/surf/xml/platf.hpp" // FIXME: move that back to the parsing area
+void NetworkIBModel::IB_action_state_changed_callback(NetworkAction& action, Action::State /*previous*/)
+{
+ if (action.get_state() != Action::State::FINISHED)
+ return;
+ auto* ibModel = static_cast<NetworkIBModel*>(action.get_model());
+ std::pair<IBNode*, IBNode*> pair = ibModel->active_comms[&action];
-namespace simgrid {
- namespace surf {
+ XBT_DEBUG("IB callback - action %p finished", &action);
+ ibModel->update_IB_factors(&action, pair.first, pair.second, 1);
+ ibModel->active_comms.erase(&action);
+}
+
+void NetworkIBModel::IB_comm_start_callback(const activity::CommImpl& comm)
+{
+ auto* action = static_cast<NetworkAction*>(comm.surf_action_);
+ auto* ibModel = static_cast<NetworkIBModel*>(action->get_model());
+ auto* act_src = &ibModel->active_nodes.at(action->get_src().get_name());
+ auto* act_dst = &ibModel->active_nodes.at(action->get_dst().get_name());
- NetworkIBModel::NetworkIBModel()
- : NetworkSmpiModel() {
- haveGap_=false;
- active_nodes=nullptr;
+ ibModel->active_comms[action] = std::make_pair(act_src, act_dst);
+ ibModel->update_IB_factors(action, act_src, act_dst, 0);
+}
- const char* IB_factors_string=xbt_cfg_get_string("smpi/IB-penalty-factors");
- xbt_dynar_t radical_elements = xbt_str_split(IB_factors_string, ";");
+NetworkIBModel::NetworkIBModel(const std::string& name) : NetworkSmpiModel(name)
+{
+ std::string IB_factors_string = config::get_value<std::string>("smpi/IB-penalty-factors");
+ std::vector<std::string> radical_elements;
+ boost::split(radical_elements, IB_factors_string, boost::is_any_of(";"));
- surf_parse_assert(xbt_dynar_length(radical_elements)==3,
- "smpi/IB-penalty-factors should be provided and contain 3 elements, semi-colon separated. Example: 0.965;0.925;1.35");
+ xbt_assert(radical_elements.size() == 3, "smpi/IB-penalty-factors should be provided and contain 3 "
+ "elements, semi-colon separated. Example: 0.965;0.925;1.35");
- Be = xbt_str_parse_double(xbt_dynar_get_as(radical_elements, 0, char *), "First part of smpi/IB-penalty-factors is not numerical: %s");
- Bs = xbt_str_parse_double(xbt_dynar_get_as(radical_elements, 1, char *), "Second part of smpi/IB-penalty-factors is not numerical: %s");
- ys = xbt_str_parse_double(xbt_dynar_get_as(radical_elements, 2, char *), "Third part of smpi/IB-penalty-factors is not numerical: %s");
+ try {
+ Be_ = std::stod(radical_elements.front());
+ } catch (const std::invalid_argument& ia) {
+ throw std::invalid_argument(std::string("First part of smpi/IB-penalty-factors is not numerical:") + ia.what());
+ }
- xbt_dynar_free(&radical_elements);
- }
+ try {
+ Bs_ = std::stod(radical_elements.at(1));
+ } catch (const std::invalid_argument& ia) {
+ throw std::invalid_argument(std::string("Second part of smpi/IB-penalty-factors is not numerical:") + ia.what());
+ }
- NetworkIBModel::~NetworkIBModel()
- {
- xbt_dict_cursor_t cursor = nullptr;
- IBNode* instance = nullptr;
- char *name = nullptr;
- xbt_dict_foreach(active_nodes, cursor, name, instance)
- delete instance;
- xbt_dict_free(&active_nodes);
+ try {
+ ys_ = std::stod(radical_elements.back());
+ } catch (const std::invalid_argument& ia) {
+ throw std::invalid_argument(std::string("Third part of smpi/IB-penalty-factors is not numerical:") + ia.what());
+ }
+}
+
+void NetworkIBModel::compute_IB_factors(IBNode* root) const
+{
+ size_t num_comm_out = root->active_comms_up_.size();
+ double max_penalty_out = 0.0;
+ // first, compute all outbound penalties to get their max
+ for (ActiveComm const* comm : root->active_comms_up_) {
+ double my_penalty_out = 1.0;
+
+ if (num_comm_out != 1) {
+ if (comm->destination->nb_active_comms_down_ > 2) // number of comms sent to the receiving node
+ my_penalty_out = num_comm_out * Bs_ * ys_;
+ else
+ my_penalty_out = num_comm_out * Bs_;
}
- void NetworkIBModel::computeIBfactors(IBNode *root) {
- double penalized_bw=0.0;
- double num_comm_out = (double) root->ActiveCommsUp.size();
- double max_penalty_out=0.0;
- //first, compute all outbound penalties to get their max
- for (std::vector<ActiveComm*>::iterator it= root->ActiveCommsUp.begin(); it != root->ActiveCommsUp.end(); ++it) {
- double my_penalty_out = 1.0;
-
- if(num_comm_out!=1){
- if((*it)->destination->nbActiveCommsDown > 2)//number of comms sent to the receiving node
- my_penalty_out = num_comm_out * Bs * ys;
- else
- my_penalty_out = num_comm_out * Bs;
- }
-
- max_penalty_out = std::max(max_penalty_out,my_penalty_out);
- }
-
- for (std::vector<ActiveComm*>::iterator it= root->ActiveCommsUp.begin(); it != root->ActiveCommsUp.end(); ++it) {
-
- //compute inbound penalty
- double my_penalty_in = 1.0;
- int nb_comms = (*it)->destination->nbActiveCommsDown;//total number of incoming comms
- if(nb_comms!=1)
- my_penalty_in = ((*it)->destination->ActiveCommsDown)[root] //number of comm sent to dest by root node
- * Be
- * (*it)->destination->ActiveCommsDown.size();//number of different nodes sending to dest
-
- double penalty = std::max(my_penalty_in,max_penalty_out);
-
- double rate_before_update = (*it)->action->getBound();
- //save initial rate of the action
- if((*it)->init_rate==-1)
- (*it)->init_rate= rate_before_update;
-
- penalized_bw= ! num_comm_out ? (*it)->init_rate : (*it)->init_rate /penalty;
-
- if (!double_equals(penalized_bw, rate_before_update, sg_surf_precision)){
- XBT_DEBUG("%d->%d action %p penalty updated : bw now %f, before %f , initial rate %f", root->id,(*it)->destination->id,(*it)->action,penalized_bw, (*it)->action->getBound(), (*it)->init_rate );
- lmm_update_variable_bound(maxminSystem_, (*it)->action->getVariable(), penalized_bw);
- }else{
- XBT_DEBUG("%d->%d action %p penalty not updated : bw %f, initial rate %f", root->id,(*it)->destination->id,(*it)->action,penalized_bw, (*it)->init_rate );
- }
-
- }
- XBT_DEBUG("Finished computing IB penalties");
+ max_penalty_out = std::max(max_penalty_out, my_penalty_out);
+ }
+
+ for (ActiveComm* comm : root->active_comms_up_) {
+ // compute inbound penalty
+ double my_penalty_in = 1.0;
+ int nb_comms = comm->destination->nb_active_comms_down_; // total number of incoming comms
+ if (nb_comms != 1)
+ my_penalty_in = (comm->destination->active_comms_down_)[root] // number of comm sent to dest by root node
+ * Be_ * comm->destination->active_comms_down_.size(); // number of different nodes sending to dest
+
+ double penalty = std::max(my_penalty_in, max_penalty_out);
+
+ double rate_before_update = comm->action->get_bound();
+ // save initial rate of the action
+ if (comm->init_rate == -1)
+ comm->init_rate = rate_before_update;
+
+ double penalized_bw = num_comm_out ? comm->init_rate / penalty : comm->init_rate;
+
+ if (not double_equals(penalized_bw, rate_before_update, sg_surf_precision)) {
+ XBT_DEBUG("%d->%d action %p penalty updated : bw now %f, before %f , initial rate %f", root->id_,
+ comm->destination->id_, comm->action, penalized_bw, comm->action->get_bound(), comm->init_rate);
+ get_maxmin_system()->update_variable_bound(comm->action->get_variable(), penalized_bw);
+ } else {
+ XBT_DEBUG("%d->%d action %p penalty not updated : bw %f, initial rate %f", root->id_, comm->destination->id_,
+ comm->action, penalized_bw, comm->init_rate);
}
+ }
+ XBT_DEBUG("Finished computing IB penalties");
+}
- void NetworkIBModel::updateIBfactors_rec(IBNode *root, bool* updatedlist) {
- if(updatedlist[root->id]==0){
- XBT_DEBUG("IB - Updating rec %d", root->id);
- computeIBfactors(root);
- updatedlist[root->id]=1;
- for (std::vector<ActiveComm*>::iterator it= root->ActiveCommsUp.begin(); it != root->ActiveCommsUp.end(); ++it) {
- if(updatedlist[(*it)->destination->id]!=1)
- updateIBfactors_rec((*it)->destination, updatedlist);
- }
- for (std::map<IBNode*, int>::iterator it= root->ActiveCommsDown.begin(); it != root->ActiveCommsDown.end(); ++it) {
- if(updatedlist[it->first->id]!=1)
- updateIBfactors_rec(it->first, updatedlist);
- }
- }
+void NetworkIBModel::update_IB_factors_rec(IBNode* root, std::vector<bool>& updatedlist) const
+{
+ if (not updatedlist[root->id_]) {
+ XBT_DEBUG("IB - Updating rec %d", root->id_);
+ compute_IB_factors(root);
+ updatedlist[root->id_] = true;
+ for (ActiveComm const* comm : root->active_comms_up_) {
+ if (not updatedlist[comm->destination->id_])
+ update_IB_factors_rec(comm->destination, updatedlist);
}
+ for (std::map<IBNode*, int>::value_type const& comm : root->active_comms_down_) {
+ if (not updatedlist[comm.first->id_])
+ update_IB_factors_rec(comm.first, updatedlist);
+ }
+ }
+}
+void NetworkIBModel::update_IB_factors(NetworkAction* action, IBNode* from, IBNode* to, int remove) const
+{
+ if (from == to) // disregard local comms (should use loopback)
+ return;
- void NetworkIBModel::updateIBfactors(NetworkAction *action, IBNode *from, IBNode * to, int remove) {
- if (from == to)//disregard local comms (should use loopback)
- return;
-
- bool* updated=(bool*)xbt_malloc0(xbt_dict_size(active_nodes)*sizeof(bool));
- ActiveComm* comm=nullptr;
- if(remove){
- if(to->ActiveCommsDown[from]==1)
- to->ActiveCommsDown.erase(from);
- else
- to->ActiveCommsDown[from]-=1;
-
- to->nbActiveCommsDown--;
- for (std::vector<ActiveComm*>::iterator it= from->ActiveCommsUp.begin();
- it != from->ActiveCommsUp.end(); ++it) {
- if((*it)->action==action){
- comm=(*it);
- from->ActiveCommsUp.erase(it);
- break;
- }
- }
- action->unref();
-
- }else{
- action->ref();
- ActiveComm* comm=new ActiveComm();
- comm->action=action;
- comm->destination=to;
- from->ActiveCommsUp.push_back(comm);
-
- to->ActiveCommsDown[from]+=1;
- to->nbActiveCommsDown++;
- }
- XBT_DEBUG("IB - Updating %d", from->id);
- updateIBfactors_rec(from, updated);
- XBT_DEBUG("IB - Finished updating %d", from->id);
- if(comm)
- delete comm;
- xbt_free(updated);
+ if (remove) {
+ if (to->active_comms_down_[from] == 1)
+ to->active_comms_down_.erase(from);
+ else
+ to->active_comms_down_[from] -= 1;
+
+ to->nb_active_comms_down_--;
+ auto it = std::find_if(begin(from->active_comms_up_), end(from->active_comms_up_),
+ [action](const ActiveComm* comm) { return comm->action == action; });
+ if (it != std::end(from->active_comms_up_)) {
+ delete *it;
+ from->active_comms_up_.erase(it);
}
-
+ action->unref();
+ } else {
+ action->ref();
+ auto* comm = new ActiveComm();
+ comm->action = action;
+ comm->destination = to;
+ from->active_comms_up_.push_back(comm);
+
+ to->active_comms_down_[from] += 1;
+ to->nb_active_comms_down_++;
}
+ XBT_DEBUG("IB - Updating %d", from->id_);
+ std::vector<bool> updated(active_nodes.size(), false);
+ update_IB_factors_rec(from, updated);
+ XBT_DEBUG("IB - Finished updating %d", from->id_);
}
+} // namespace resource
+} // namespace kernel
+} // namespace simgrid
