-/* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2022. 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 <cstdlib>
+#include <simgrid/kernel/routing/NetZoneImpl.hpp>
+#include <simgrid/s4u/Engine.hpp>
+#include <xbt/config.hpp>
-#include <algorithm>
-#include <unordered_set>
-
-#include "ptask_L07.hpp"
+#include "simgrid/config.h"
+#include "src/kernel/EngineImpl.hpp"
+#if SIMGRID_HAVE_EIGEN3
+#include "src/kernel/lmm/bmf.hpp"
+#endif
+#include "src/kernel/resource/profile/Event.hpp"
+#include "src/surf/ptask_L07.hpp"
-#include "cpu_interface.hpp"
-#include "xbt/utility.hpp"
+#include <unordered_set>
-XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(res_host);
XBT_LOG_EXTERNAL_CATEGORY(xbt_cfg);
+/***********
+ * Options *
+ ***********/
+static simgrid::config::Flag<std::string> cfg_ptask_solver("host/solver",
+ "Set linear equations solver used by ptask model",
+ "fairbottleneck",
+ &simgrid::kernel::lmm::System::validate_solver);
+
/**************************************/
/*** Resource Creation & Destruction **/
/**************************************/
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");
-
- surf_host_model = new simgrid::surf::HostL07Model();
- all_existing_models->push_back(surf_host_model);
+ XBT_CINFO(xbt_cfg, "Switching to the L07 model to handle parallel tasks.");
+ xbt_assert(cfg_ptask_solver != "maxmin", "Invalid configuration. Cannot use maxmin solver with parallel tasks.");
+
+ auto* system = simgrid::kernel::lmm::System::build(cfg_ptask_solver.get(), true /* selective update */);
+ auto host_model = std::make_shared<simgrid::kernel::resource::HostL07Model>("Host_Ptask", system);
+ auto* engine = simgrid::kernel::EngineImpl::get_instance();
+ engine->add_model(host_model);
+ engine->get_netzone_root()->set_host_model(host_model);
}
+namespace simgrid::kernel::resource {
-namespace simgrid {
-namespace surf {
+HostL07Model::HostL07Model(const std::string& name, lmm::System* sys) : HostModel(name)
+{
+ set_maxmin_system(sys);
-HostL07Model::HostL07Model() : HostModel() {
- 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);
-}
+ auto net_model = std::make_shared<NetworkL07Model>("Network_Ptask", this, sys);
+ auto engine = EngineImpl::get_instance();
+ engine->add_model(net_model);
+ engine->get_netzone_root()->set_network_model(net_model);
-HostL07Model::~HostL07Model()
-{
- delete surf_network_model;
- delete surf_cpu_model_pm;
+ auto cpu_model = std::make_shared<CpuL07Model>("Cpu_Ptask", this, sys);
+ engine->add_model(cpu_model);
+ engine->get_netzone_root()->set_cpu_pm_model(cpu_model);
+
+ surf_disk_model_init_S19();
}
-CpuL07Model::CpuL07Model(HostL07Model* hmodel, kernel::lmm::System* sys) : CpuModel(), hostModel_(hmodel)
+CpuL07Model::CpuL07Model(const std::string& name, HostL07Model* hmodel, lmm::System* sys)
+ : CpuModel(name), hostModel_(hmodel)
{
set_maxmin_system(sys);
}
set_maxmin_system(nullptr);
}
-NetworkL07Model::NetworkL07Model(HostL07Model* hmodel, kernel::lmm::System* sys) : NetworkModel(), hostModel_(hmodel)
+NetworkL07Model::NetworkL07Model(const std::string& name, HostL07Model* hmodel, lmm::System* sys)
+ : NetworkModel(name), hostModel_(hmodel)
{
set_maxmin_system(sys);
- loopback_ = NetworkL07Model::createLink("__loopback__", 498000000, 0.000015, SURF_LINK_FATPIPE);
+ loopback_.reset(create_link("__loopback__", {simgrid::config::get_value<double>("network/loopback-bw")}));
+ loopback_->set_sharing_policy(s4u::Link::SharingPolicy::FATPIPE, {});
+ loopback_->set_latency(simgrid::config::get_value<double>("network/loopback-lat"));
+ loopback_->get_iface()->seal();
}
NetworkL07Model::~NetworkL07Model()
set_maxmin_system(nullptr);
}
-double HostL07Model::next_occuring_event(double now)
+double HostL07Model::next_occurring_event(double now)
{
- double min = HostModel::next_occuring_event_full(now);
- for (kernel::resource::Action const& action : *get_running_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_;
+ double min = HostModel::next_occurring_event_full(now);
+ for (Action const& action : *get_started_action_set()) {
+ const auto& net_action = static_cast<const L07Action&>(action);
+ if (net_action.get_latency() > 0 && (min < 0 || net_action.get_latency() < min)) {
+ min = net_action.get_latency();
XBT_DEBUG("Updating min with %p (start %f): %f", &net_action, net_action.get_start_time(), min);
}
}
void HostL07Model::update_actions_state(double /*now*/, double delta)
{
- for (auto it = std::begin(*get_running_action_set()); it != std::end(*get_running_action_set());) {
- L07Action& action = static_cast<L07Action&>(*it);
+ for (auto it = std::begin(*get_started_action_set()); it != std::end(*get_started_action_set());) {
+ auto& action = static_cast<L07Action&>(*it);
++it; // increment iterator here since the following calls to action.finish() may invalidate it
- if (action.latency_ > 0) {
- if (action.latency_ > delta) {
- double_update(&(action.latency_), delta, sg_surf_precision);
+ if (action.get_latency() > 0) {
+ if (action.get_latency() > delta) {
+ action.update_latency(delta, sg_surf_precision);
} else {
- action.latency_ = 0.0;
+ action.set_latency(0.0);
}
- if ((action.latency_ <= 0.0) && (action.is_suspended() == 0)) {
- action.updateBound();
- get_maxmin_system()->update_variable_weight(action.get_variable(), 1.0);
+ if ((action.get_latency() <= 0.0) && (action.is_suspended() == 0)) {
+ action.update_bound();
+ get_maxmin_system()->update_variable_penalty(action.get_variable(), 1.0);
+ action.set_last_update();
}
}
- XBT_DEBUG("Action (%p) : remains (%g) updated by %g.", &action, action.get_remains(),
- 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);
+ XBT_DEBUG("Action (%p) : remains (%g) updated by %g.", &action, action.get_remains(), action.get_rate() * delta);
+ action.update_remains(action.get_rate() * delta);
+ action.update_max_duration(delta);
XBT_DEBUG("Action (%p) : remains (%g).", &action, action.get_remains());
* If it's not done, it may have failed.
*/
- 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);
- } else {
- /* Need to check that none of the model has failed */
- int i = 0;
- 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()) {
- XBT_DEBUG("Action (%p) Failed!!", &action);
- action.finish(kernel::resource::Action::State::failed);
- break;
- }
- cnst = action.get_variable()->get_constraint(i);
+ if (((action.get_remains() <= 0) && (action.get_variable()->get_penalty() > 0)) ||
+ ((action.get_max_duration() != NO_MAX_DURATION) && (action.get_max_duration() <= 0))) {
+ action.finish(Action::State::FINISHED);
+ continue;
+ }
+
+ /* Need to check that none of the model has failed */
+ int i = 0;
+ const lmm::Constraint* cnst = action.get_variable()->get_constraint(i);
+ while (cnst != nullptr) {
+ i++;
+ if (not cnst->get_id()->is_on()) {
+ XBT_DEBUG("Action (%p) Failed!!", &action);
+ action.finish(Action::State::FAILED);
+ break;
}
+ 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)
+CpuAction* HostL07Model::execute_parallel(const std::vector<s4u::Host*>& host_list, const double* flops_amount,
+ const double* bytes_amount, double rate)
{
- return new L07Action(this, host_nb, host_list, flops_amount, bytes_amount, rate);
+ return new L07Action(this, host_list, flops_amount, bytes_amount, rate);
}
-L07Action::L07Action(kernel::resource::Model* model, int host_nb, sg_host_t* host_list, double* flops_amount,
- double* bytes_amount, double rate)
- : CpuAction(model, 1, 0), computationAmount_(flops_amount), communicationAmount_(bytes_amount), rate_(rate)
+L07Action::L07Action(Model* model, const std::vector<s4u::Host*>& host_list, const double* flops_amount,
+ const double* bytes_amount, double rate)
+ : CpuAction(model, 1.0, false)
+ , host_list_(host_list)
+ , computation_amount_(flops_amount)
+ , communication_amount_(bytes_amount)
+ , rate_(rate)
{
- 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->hostList_->reserve(host_nb);
- for (int i = 0; i < host_nb; i++) {
- this->hostList_->push_back(host_list[i]);
- if (flops_amount[i] > 0)
- nb_used_host++;
- }
+ size_t link_nb = 0;
+ const size_t host_nb = host_list_.size();
+ size_t used_host_nb = 0; /* Only the hosts with something to compute (>0 flops) are counted) */
+ double latency = 0.0;
+ this->set_last_update();
+
+ if (flops_amount != nullptr)
+ used_host_nb += std::count_if(flops_amount, flops_amount + host_nb, [](double x) { return x > 0.0; });
/* Compute the number of affected resources... */
- if(bytes_amount != nullptr) {
+ if (bytes_amount != nullptr) {
std::unordered_set<const char*> affected_links;
- for (int i = 0; i < host_nb; i++) {
- for (int j = 0; j < host_nb; j++) {
+ for (size_t k = 0; k < host_nb * host_nb; k++) {
+ if (bytes_amount[k] <= 0)
+ continue;
- if (bytes_amount[i * host_nb + j] > 0) {
- double lat=0.0;
+ double lat = 0.0;
+ std::vector<StandardLinkImpl*> route;
+ host_list_[k / host_nb]->route_to(host_list_[k % host_nb], route, &lat);
+ latency = std::max(latency, lat);
- std::vector<LinkImpl*> route;
- hostList_->at(i)->routeTo(hostList_->at(j), route, &lat);
- latency = std::max(latency, lat);
-
- for (auto const& link : route)
- affected_links.insert(link->getCname());
- }
- }
+ for (auto const& link : route)
+ affected_links.insert(link->get_cname());
}
- nb_link = affected_links.size();
+ link_nb = affected_links.size();
}
- XBT_DEBUG("Creating a parallel task (%p) with %d hosts and %d unique links.", this, host_nb, nb_link);
+ XBT_DEBUG("Creating a parallel task (%p) with %zu hosts and %zu unique links.", this, host_nb, link_nb);
latency_ = latency;
- set_variable(model->get_maxmin_system()->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 + link_nb));
if (latency_ > 0)
- model->get_maxmin_system()->update_variable_weight(get_variable(), 0.0);
-
- for (int i = 0; i < host_nb; i++)
- model->get_maxmin_system()->expand(host_list[i]->pimpl_cpu->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);
-
- for (auto const& link : route)
- model->get_maxmin_system()->expand_add(link->constraint(), this->get_variable(),
- bytes_amount[i * host_nb + j]);
- }
- }
+ model->get_maxmin_system()->update_variable_penalty(get_variable(), 0.0);
+
+ /* Expand it for the CPUs even if there is nothing to compute, to make sure that it gets expended even if there is no
+ * communication either */
+ for (size_t i = 0; i < host_nb; i++) {
+ model->get_maxmin_system()->expand(host_list[i]->get_cpu()->get_constraint(), get_variable(),
+ (flops_amount == nullptr ? 0.0 : flops_amount[i]), true);
+ }
+
+ if (bytes_amount != nullptr) {
+ for (size_t k = 0; k < host_nb * host_nb; k++) {
+ if (bytes_amount[k] <= 0.0)
+ continue;
+ std::vector<StandardLinkImpl*> route;
+ host_list_[k / host_nb]->route_to(host_list_[k % host_nb], route, nullptr);
+
+ for (auto const& link : route)
+ model->get_maxmin_system()->expand(link->get_constraint(), this->get_variable(), bytes_amount[k]);
}
}
- if (nb_link + nb_used_host == 0) {
+ if (link_nb + used_host_nb == 0) {
this->set_cost(1.0);
this->set_remains(0.0);
}
- delete[] host_list;
+ /* finally calculate the initial bound value */
+ update_bound();
}
-kernel::resource::Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
+Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate, bool /* streamed */)
{
- sg_host_t* host_list = new sg_host_t[2]();
- double* flops_amount = new double[2]();
- double* bytes_amount = new double[4]();
+ std::vector<s4u::Host*> host_list = {src, dst};
+ const auto* flops_amount = new double[2]();
+ auto* bytes_amount = new double[4]();
- host_list[0] = src;
- host_list[1] = dst;
bytes_amount[1] = size;
- return hostModel_->executeParallelTask(2, host_list, flops_amount, bytes_amount, rate);
+ Action* res = hostModel_->execute_parallel(host_list, flops_amount, bytes_amount, rate);
+ static_cast<L07Action*>(res)->free_arrays_ = true;
+ return res;
}
-Cpu *CpuL07Model::createCpu(simgrid::s4u::Host *host, std::vector<double> *speedPerPstate, int core)
+CpuImpl* CpuL07Model::create_cpu(s4u::Host* host, const std::vector<double>& speed_per_pstate)
{
- return new CpuL07(this, host, speedPerPstate, core);
+ return (new CpuL07(host, speed_per_pstate))->set_model(this);
}
-LinkImpl* NetworkL07Model::createLink(const std::string& name, double bandwidth, double latency,
- e_surf_link_sharing_policy_t policy)
+StandardLinkImpl* NetworkL07Model::create_link(const std::string& name, const std::vector<double>& bandwidths)
{
- return new LinkL07(this, name, bandwidth, latency, policy);
+ xbt_assert(bandwidths.size() == 1, "Non WIFI link must have only 1 bandwidth.");
+ auto link = new LinkL07(name, bandwidths[0], get_maxmin_system());
+ link->set_model(this);
+ return link;
}
-/************
- * Resource *
- ************/
-
-CpuL07::CpuL07(CpuL07Model* model, simgrid::s4u::Host* host, std::vector<double>* speedPerPstate, int core)
- : Cpu(model, host, model->get_maxmin_system()->constraint_new(this, speedPerPstate->front()), speedPerPstate, core)
+StandardLinkImpl* NetworkL07Model::create_wifi_link(const std::string& name, const std::vector<double>& bandwidths)
{
+ THROW_UNIMPLEMENTED;
}
-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->get_maxmin_system()->constraint_new(this, bandwidth))
-{
- bandwidth_.peak = bandwidth;
- latency_.peak = latency;
-
- if (policy == SURF_LINK_FATPIPE)
- constraint()->unshare();
-
- s4u::Link::onCreation(this->piface_);
-}
+/************
+ * Resource *
+ ************/
-kernel::resource::Action* CpuL07::execution_start(double size)
+CpuAction* CpuL07::execution_start(double size, double user_bound)
{
- sg_host_t* host_list = new sg_host_t[1]();
- double* flops_amount = new double[1]();
+ std::vector<s4u::Host*> host_list = {get_iface()};
+ xbt_assert(user_bound <= 0, "User bound not supported by ptask model");
- host_list[0] = getHost();
- flops_amount[0] = size;
+ auto* flops_amount = new double[host_list.size()]();
+ flops_amount[0] = size;
- return static_cast<CpuL07Model*>(model())->hostModel_->executeParallelTask(1, host_list, flops_amount, nullptr, -1);
+ CpuAction* res =
+ static_cast<CpuL07Model*>(get_model())->hostModel_->execute_parallel(host_list, flops_amount, nullptr, -1);
+ static_cast<L07Action*>(res)->free_arrays_ = true;
+ return res;
}
-kernel::resource::Action* CpuL07::sleep(double duration)
+CpuAction* CpuL07::sleep(double duration)
{
- L07Action *action = static_cast<L07Action*>(execution_start(1.0));
+ auto* action = static_cast<L07Action*>(execution_start(1.0, -1));
action->set_max_duration(duration);
- action->suspended_ = kernel::resource::Action::SuspendStates::sleeping;
- model()->get_maxmin_system()->update_variable_weight(action->get_variable(), 0.0);
+ action->set_suspend_state(Action::SuspendStates::SLEEPING);
+ get_model()->get_maxmin_system()->update_variable_penalty(action->get_variable(), 0.0);
return action;
}
-bool CpuL07::isUsed(){
- return model()->get_maxmin_system()->constraint_used(constraint());
-}
-
/** @brief take into account changes of speed (either load or max) */
-void CpuL07::onSpeedChange() {
- kernel::lmm::Variable* var = nullptr;
- const_lmm_element_t elem = nullptr;
+void CpuL07::on_speed_change()
+{
+ const lmm::Element* elem = nullptr;
- model()->get_maxmin_system()->update_constraint_bound(constraint(), speed_.peak * speed_.scale);
- while ((var = constraint()->get_variable(&elem))) {
- kernel::resource::Action* action = static_cast<kernel::resource::Action*>(var->get_id());
+ get_model()->get_maxmin_system()->update_constraint_bound(get_constraint(), get_core_count() * speed_.peak * speed_.scale);
- model()->get_maxmin_system()->update_variable_bound(action->get_variable(), speed_.scale * speed_.peak);
+ while (const auto* var = get_constraint()->get_variable(&elem)) {
+ const auto* action = static_cast<L07Action*>(var->get_id());
+ action->update_bound();
}
- Cpu::onSpeedChange();
+ CpuImpl::on_speed_change();
}
-
-bool LinkL07::isUsed(){
- return model()->get_maxmin_system()->constraint_used(constraint());
+LinkL07::LinkL07(const std::string& name, double bandwidth, lmm::System* system) : StandardLinkImpl(name)
+{
+ this->set_constraint(system->constraint_new(this, bandwidth));
+ bandwidth_.peak = bandwidth;
}
-void CpuL07::apply_event(tmgr_trace_event_t triggered, double value)
+void CpuL07::apply_event(profile::Event* 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_) {
- if (value > 0)
- turnOn();
- else
- turnOff();
- tmgr_trace_event_unref(&stateEvent_);
+ } else if (triggered == get_state_event()) {
+ if (value > 0) {
+ if (not is_on()) {
+ XBT_VERB("Restart actors on host %s", get_iface()->get_cname());
+ get_iface()->turn_on();
+ }
+ } else
+ get_iface()->turn_off();
+ unref_state_event();
} else {
xbt_die("Unknown event!\n");
}
}
-void LinkL07::apply_event(tmgr_trace_event_t triggered, double value)
+void LinkL07::apply_event(profile::Event* 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 == get_state_event()) {
if (value > 0)
- turnOn();
+ turn_on();
else
- turnOff();
- tmgr_trace_event_unref(&stateEvent_);
-
+ turn_off();
+ unref_state_event();
} else {
xbt_die("Unknown event ! \n");
}
}
-void LinkL07::setBandwidth(double value)
+void LinkL07::set_bandwidth(double value)
{
bandwidth_.peak = value;
- model()->get_maxmin_system()->update_constraint_bound(constraint(), bandwidth_.peak * bandwidth_.scale);
+ StandardLinkImpl::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;
+ latency_check(value);
+ const lmm::Element* elem = nullptr;
latency_.peak = value;
- while ((var = constraint()->get_variable(&elem))) {
- action = static_cast<L07Action*>(var->get_id());
- action->updateBound();
+ while (const auto* var = get_constraint()->get_variable(&elem)) {
+ const auto* action = static_cast<L07Action*>(var->get_id());
+ action->update_bound();
}
}
LinkL07::~LinkL07() = default;
* Action *
**********/
-L07Action::~L07Action(){
- delete hostList_;
- delete[] communicationAmount_;
- delete[] computationAmount_;
+L07Action::~L07Action()
+{
+ if (free_arrays_) {
+ delete[] computation_amount_;
+ delete[] communication_amount_;
+ }
}
-void L07Action::updateBound()
+double L07Action::calculate_network_bound() const
{
double lat_current = 0.0;
+ double lat_bound = std::numeric_limits<double>::max();
- int hostNb = hostList_->size();
+ size_t host_count = host_list_.size();
- if (communicationAmount_ != nullptr) {
- for (int i = 0; i < hostNb; i++) {
- for (int j = 0; j < hostNb; j++) {
+ if (communication_amount_ == nullptr) {
+ return lat_bound;
+ }
- if (communicationAmount_[i * hostNb + j] > 0) {
- double lat = 0.0;
- std::vector<LinkImpl*> route;
- hostList_->at(i)->routeTo(hostList_->at(j), route, &lat);
+ for (size_t i = 0; i < host_count; i++) {
+ for (size_t j = 0; j < host_count; j++) {
+ if (communication_amount_[i * host_count + j] > 0) {
+ double lat = 0.0;
+ std::vector<StandardLinkImpl*> route;
+ host_list_.at(i)->route_to(host_list_.at(j), route, &lat);
- lat_current = std::max(lat_current, lat * communicationAmount_[i * hostNb + j]);
- }
+ lat_current = std::max(lat_current, lat * communication_amount_[i * host_count + j]);
}
}
}
- double lat_bound = sg_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()->get_maxmin_system()->update_variable_bound(get_variable(), lat_bound);
- else
- get_model()->get_maxmin_system()->update_variable_bound(get_variable(), std::min(rate_, lat_bound));
+ if (lat_current > 0) {
+ lat_bound = NetworkModel::cfg_tcp_gamma / (2.0 * lat_current);
}
+ return lat_bound;
}
+double L07Action::calculate_cpu_bound() const
+{
+ double cpu_bound = std::numeric_limits<double>::max();
+
+ if (computation_amount_ == nullptr) {
+ return cpu_bound;
+ }
+
+ for (size_t i = 0; i < host_list_.size(); i++) {
+ if (computation_amount_[i] > 0) {
+ cpu_bound = std::min(cpu_bound, host_list_[i]->get_cpu()->get_speed(1.0) *
+ host_list_[i]->get_cpu()->get_speed_ratio() / computation_amount_[i]);
+ }
+ }
+ return cpu_bound;
}
+
+void L07Action::update_bound() const
+{
+ double bound = std::min(calculate_network_bound(), calculate_cpu_bound());
+
+ XBT_DEBUG("action (%p) : bound = %g", this, bound);
+
+ /* latency has been paid (or no latency), we can set the appropriate bound for multicore or network limit */
+ if ((bound < std::numeric_limits<double>::max()) && (latency_ <= 0.0)) {
+ if (rate_ < 0)
+ get_model()->get_maxmin_system()->update_variable_bound(get_variable(), bound);
+ else
+ get_model()->get_maxmin_system()->update_variable_bound(get_variable(), std::min(rate_, bound));
+ }
}
+
+} // namespace simgrid::kernel::resource
