-/* Copyright (c) 2007-2010, 2013-2017. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2007-2018. 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 <algorithm>
-#include <unordered_set>
-
#include "ptask_L07.hpp"
+#include "surf/surf.hpp"
+#include "xbt/config.hpp"
-#include "cpu_interface.hpp"
+#include <unordered_set>
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_host);
XBT_LOG_EXTERNAL_CATEGORY(xbt_cfg);
namespace surf {
HostL07Model::HostL07Model() : HostModel() {
- maxminSystem_ = lmm_system_new(true /* lazy */);
- maxminSystem_->solve_fun = &bottleneck_solve;
- surf_network_model = new NetworkL07Model(this,maxminSystem_);
- surf_cpu_model_pm = new CpuL07Model(this,maxminSystem_);
+ 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()
{
- lmm_system_free(maxminSystem_);
- maxminSystem_ = nullptr;
delete surf_network_model;
delete surf_cpu_model_pm;
}
-CpuL07Model::CpuL07Model(HostL07Model *hmodel,lmm_system_t sys)
- : CpuModel()
- , hostModel_(hmodel)
+CpuL07Model::CpuL07Model(HostL07Model* hmodel, kernel::lmm::System* sys)
+ : CpuModel(Model::UpdateAlgo::Full), hostModel_(hmodel)
{
- maxminSystem_ = sys;
+ set_maxmin_system(sys);
}
CpuL07Model::~CpuL07Model()
{
- maxminSystem_ = nullptr;
+ set_maxmin_system(nullptr);
}
-NetworkL07Model::NetworkL07Model(HostL07Model *hmodel, lmm_system_t sys)
- : NetworkModel()
- , hostModel_(hmodel)
+NetworkL07Model::NetworkL07Model(HostL07Model* hmodel, kernel::lmm::System* sys)
+ : NetworkModel(Model::UpdateAlgo::Full), hostModel_(hmodel)
{
- maxminSystem_ = sys;
- loopback_ = createLink("__loopback__", 498000000, 0.000015, SURF_LINK_FATPIPE);
+ set_maxmin_system(sys);
+ loopback_ = NetworkL07Model::createLink("__loopback__", 498000000, 0.000015, s4u::Link::SharingPolicy::FATPIPE);
}
NetworkL07Model::~NetworkL07Model()
{
- maxminSystem_ = nullptr;
+ set_maxmin_system(nullptr);
}
-double HostL07Model::nextOccuringEvent(double now)
+double HostL07Model::next_occuring_event(double now)
{
- double min = HostModel::nextOccuringEventFull(now);
- ActionList::iterator it(getRunningActionSet()->begin());
- ActionList::iterator itend(getRunningActionSet()->end());
- for (; it != itend; ++it) {
- L07Action *action = static_cast<L07Action*>(&*it);
- if (action->latency_ > 0 && (min < 0 || action->latency_ < min)) {
- min = action->latency_;
- XBT_DEBUG("Updating min with %p (start %f): %f", action, action->getStartTime(), min);
+ 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_;
+ XBT_DEBUG("Updating min with %p (start %f): %f", &net_action, net_action.get_start_time(), min);
}
}
XBT_DEBUG("min value: %f", min);
return min;
}
-void HostL07Model::updateActionsState(double /*now*/, double delta) {
-
- L07Action *action;
- ActionList *actionSet = getRunningActionSet();
- ActionList::iterator it(actionSet->begin());
- ActionList::iterator itNext = it;
- ActionList::iterator itend(actionSet->end());
-
- for (; it != itend; it = itNext) {
- ++itNext;
- action = static_cast<L07Action*>(&*it);
- if (action->latency_ > 0) {
- if (action->latency_ > delta) {
- double_update(&(action->latency_), delta, sg_surf_precision);
+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);
+ ++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);
} else {
- action->latency_ = 0.0;
+ action.latency_ = 0.0;
}
- if ((action->latency_ <= 0.0) && (action->isSuspended() == 0)) {
- action->updateBound();
- lmm_update_variable_weight(maxminSystem_, action->getVariable(), 1.0);
+ if ((action.latency_ <= 0.0) && (action.is_suspended() == 0)) {
+ action.updateBound();
+ 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->getRemains(), lmm_variable_getvalue(action->getVariable()) * delta);
- action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
+ 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->getMaxDuration() > NO_MAX_DURATION)
- action->updateMaxDuration(delta);
+ if (action.get_max_duration() > NO_MAX_DURATION)
+ action.update_max_duration(delta);
- XBT_DEBUG("Action (%p) : remains (%g).", action, action->getRemains());
+ XBT_DEBUG("Action (%p) : remains (%g).", &action, action.get_remains());
/* In the next if cascade, the action can be finished either because:
* - The amount of remaining work reached 0
* If it's not done, it may have failed.
*/
- if (((action->getRemains() <= 0) && (lmm_get_variable_weight(action->getVariable()) > 0)) ||
- ((action->getMaxDuration() > NO_MAX_DURATION) && (action->getMaxDuration() <= 0))) {
- action->finish(Action::State::done);
+ 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;
- lmm_constraint_t cnst = lmm_get_cnst_from_var(maxminSystem_, action->getVariable(), i);
+ kernel::lmm::Constraint* cnst = action.get_variable()->get_constraint(i);
while (cnst != nullptr) {
i++;
- void *constraint_id = lmm_constraint_id(cnst);
- if (static_cast<simgrid::surf::Resource*>(constraint_id)->isOff()) {
- XBT_DEBUG("Action (%p) Failed!!", action);
- action->finish(Action::State::failed);
+ void* constraint_id = cnst->get_id();
+ if (static_cast<simgrid::kernel::resource::Resource*>(constraint_id)->is_off()) {
+ XBT_DEBUG("Action (%p) Failed!!", &action);
+ action.finish(kernel::resource::Action::State::failed);
break;
}
- cnst = lmm_get_cnst_from_var(maxminSystem_, action->getVariable(), i);
+ cnst = action.get_variable()->get_constraint(i);
}
}
}
}
-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);
}
-L07Action::L07Action(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(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)
{
int nb_link = 0;
int nb_used_host = 0; /* Only the hosts with something to compute (>0 flops) are counted) */
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);
- latency = MAX(latency, lat);
+ std::vector<kernel::resource::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());
+ affected_links.insert(link->get_cname());
}
}
}
}
XBT_DEBUG("Creating a parallel task (%p) with %d hosts and %d unique links.", this, host_nb, nb_link);
- this->latency_ = latency;
+ latency_ = latency;
- this->variable_ = lmm_variable_new(model->getMaxminSystem(), 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 (this->latency_ > 0)
- lmm_update_variable_weight(model->getMaxminSystem(), this->getVariable(), 0.0);
+ if (latency_ > 0)
+ model->get_maxmin_system()->update_variable_weight(get_variable(), 0.0);
for (int i = 0; i < host_nb; i++)
- lmm_expand(model->getMaxminSystem(), host_list[i]->pimpl_cpu->constraint(), this->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)->routeTo(hostList_->at(j), route, nullptr);
for (auto const& link : route)
- lmm_expand_add(model->getMaxminSystem(), 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]);
}
}
}
}
if (nb_link + nb_used_host == 0) {
- this->setCost(1.0);
- this->setRemains(0.0);
+ this->set_cost(1.0);
+ this->set_remains(0.0);
}
delete[] host_list;
}
-Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
+kernel::resource::Action* NetworkL07Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
{
sg_host_t* host_list = new sg_host_t[2]();
double* flops_amount = new double[2]();
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)
return new CpuL07(this, host, speedPerPstate, core);
}
-LinkImpl* NetworkL07Model::createLink(const std::string& name, double bandwidth, double latency,
- e_surf_link_sharing_policy_t policy)
+kernel::resource::LinkImpl* NetworkL07Model::createLink(const std::string& name, double bandwidth, double latency,
+ s4u::Link::SharingPolicy policy)
{
return new LinkL07(this, name, bandwidth, latency, policy);
}
************/
CpuL07::CpuL07(CpuL07Model* model, simgrid::s4u::Host* host, std::vector<double>* speedPerPstate, int core)
- : Cpu(model, host, lmm_constraint_new(model->getMaxminSystem(), this, speedPerPstate->front()), speedPerPstate,
- core)
+ : Cpu(model, host, model->get_maxmin_system()->constraint_new(this, speedPerPstate->front()), speedPerPstate, 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, lmm_constraint_new(model->getMaxminSystem(), 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)
- lmm_constraint_shared(constraint());
+ if (policy == s4u::Link::SharingPolicy::FATPIPE)
+ get_constraint()->unshare();
- s4u::Link::onCreation(this->piface_);
+ s4u::Link::on_creation(this->piface_);
}
-Action *CpuL07::execution_start(double size)
+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();
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);
}
-Action *CpuL07::sleep(double duration)
+kernel::resource::Action* CpuL07::sleep(double duration)
{
L07Action *action = static_cast<L07Action*>(execution_start(1.0));
- action->maxDuration_ = duration;
- action->suspended_ = 2;
- lmm_update_variable_weight(model()->getMaxminSystem(), action->getVariable(), 0.0);
+ action->set_max_duration(duration);
+ action->suspended_ = kernel::resource::Action::SuspendStates::sleeping;
+ get_model()->get_maxmin_system()->update_variable_weight(action->get_variable(), 0.0);
return action;
}
-bool CpuL07::isUsed(){
- return lmm_constraint_used(model()->getMaxminSystem(), 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() {
- lmm_variable_t var = nullptr;
- lmm_element_t elem = nullptr;
+ kernel::lmm::Variable* var = nullptr;
+ const kernel::lmm::Element* elem = nullptr;
- lmm_update_constraint_bound(model()->getMaxminSystem(), constraint(), speed_.peak * speed_.scale);
- while ((var = lmm_get_var_from_cnst(model()->getMaxminSystem(), constraint(), &elem))) {
- Action* action = static_cast<Action*>(lmm_variable_id(var));
+ 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());
- lmm_update_variable_bound(model()->getMaxminSystem(), action->getVariable(), speed_.scale * speed_.peak);
+ get_model()->get_maxmin_system()->update_variable_bound(action->get_variable(), speed_.scale * speed_.peak);
}
Cpu::onSpeedChange();
}
-
-bool LinkL07::isUsed(){
- return lmm_constraint_used(model()->getMaxminSystem(), 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();
} else if (triggered == stateEvent_) {
if (value > 0)
- turnOn();
+ turn_on();
else
- turnOff();
+ turn_off();
tmgr_trace_event_unref(&stateEvent_);
} else {
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);
tmgr_trace_event_unref(&bandwidth_.event);
} else if (triggered == stateEvent_) {
if (value > 0)
- turnOn();
+ turn_on();
else
- turnOff();
+ turn_off();
tmgr_trace_event_unref(&stateEvent_);
} else {
void LinkL07::setBandwidth(double value)
{
bandwidth_.peak = value;
- lmm_update_constraint_bound(model()->getMaxminSystem(), 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)
{
- lmm_variable_t var = nullptr;
+ kernel::lmm::Variable* var = nullptr;
L07Action *action;
- lmm_element_t elem = nullptr;
+ const kernel::lmm::Element* elem = nullptr;
latency_.peak = value;
- while ((var = lmm_get_var_from_cnst(model()->getMaxminSystem(), constraint(), &elem))) {
- action = static_cast<L07Action*>(lmm_variable_id(var));
+ while ((var = get_constraint()->get_variable(&elem))) {
+ action = static_cast<L07Action*>(var->get_id());
action->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)->routeTo(hostList_->at(j), route, &lat);
- lat_current = MAX(lat_current, lat * communicationAmount_[i * hostNb + j]);
+ 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_ == 0)) {
+ if ((latency_ <= 0.0) && (suspended_ == Action::SuspendStates::not_suspended)) {
if (rate_ < 0)
- lmm_update_variable_bound(getModel()->getMaxminSystem(), getVariable(), lat_bound);
+ get_model()->get_maxmin_system()->update_variable_bound(get_variable(), lat_bound);
else
- lmm_update_variable_bound(getModel()->getMaxminSystem(), getVariable(), std::min(rate_, lat_bound));
- }
-}
-
-int L07Action::unref()
-{
- refcount_--;
- if (not refcount_) {
- if (action_hook.is_linked())
- stateSet_->erase(stateSet_->iterator_to(*this));
- if (getVariable())
- lmm_variable_free(getModel()->getMaxminSystem(), getVariable());
- delete this;
- return 1;
+ get_model()->get_maxmin_system()->update_variable_bound(get_variable(), std::min(rate_, lat_bound));
}
- return 0;
}
}