-/* Copyright (c) 2013-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2013-2018. 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 <algorithm>
-#include "maxmin_private.hpp"
#include "network_cm02.hpp"
#include "simgrid/s4u/Host.hpp"
-#include "simgrid/sg_config.h"
+#include "simgrid/sg_config.hpp"
#include "src/instr/instr_private.hpp" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals
+#include "src/kernel/lmm/maxmin.hpp"
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
if (surf_network_model)
return;
- lmm_set_default_protocol_function(func_reno_f, func_reno_fp, func_reno_fpi);
+ using namespace simgrid::kernel;
+ lmm::Lagrange::set_default_protocol_function(lmm::func_reno_f, lmm::func_reno_fp, lmm::func_reno_fpi);
xbt_cfg_setdefault_double("network/latency-factor", 13.01);
xbt_cfg_setdefault_double("network/bandwidth-factor", 0.97);
xbt_cfg_setdefault_double("network/weight-S", 20537);
- surf_network_model = new simgrid::surf::NetworkCm02Model(&lagrange_solve);
+ surf_network_model = new simgrid::surf::NetworkCm02Model(&simgrid::kernel::lmm::make_new_lagrange_system);
all_existing_models->push_back(surf_network_model);
}
if (surf_network_model)
return;
- lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp, func_reno2_fpi);
+ using namespace simgrid::kernel;
+ lmm::Lagrange::set_default_protocol_function(lmm::func_reno2_f, lmm::func_reno2_fp, lmm::func_reno2_fpi);
xbt_cfg_setdefault_double("network/latency-factor", 13.01);
xbt_cfg_setdefault_double("network/bandwidth-factor", 0.97);
xbt_cfg_setdefault_double("network/weight-S", 20537);
- surf_network_model = new simgrid::surf::NetworkCm02Model(&lagrange_solve);
+ surf_network_model = new simgrid::surf::NetworkCm02Model(&simgrid::kernel::lmm::make_new_lagrange_system);
all_existing_models->push_back(surf_network_model);
}
if (surf_network_model)
return;
- lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp, func_vegas_fpi);
+ using namespace simgrid::kernel;
+ lmm::Lagrange::set_default_protocol_function(lmm::func_vegas_f, lmm::func_vegas_fp, lmm::func_vegas_fpi);
xbt_cfg_setdefault_double("network/latency-factor", 13.01);
xbt_cfg_setdefault_double("network/bandwidth-factor", 0.97);
xbt_cfg_setdefault_double("network/weight-S", 20537);
- surf_network_model = new simgrid::surf::NetworkCm02Model(&lagrange_solve);
+ surf_network_model = new simgrid::surf::NetworkCm02Model(&simgrid::kernel::lmm::make_new_lagrange_system);
all_existing_models->push_back(surf_network_model);
}
namespace simgrid {
namespace surf {
-NetworkCm02Model::NetworkCm02Model()
- :NetworkModel()
+NetworkCm02Model::NetworkCm02Model(kernel::lmm::System* (*make_new_lmm_system)(bool)) : NetworkModel()
{
std::string optim = xbt_cfg_get_string("network/optim");
bool select = xbt_cfg_get_boolean("network/maxmin-selective-update");
if (optim == "Full") {
- setUpdateMechanism(UM_FULL);
- selectiveUpdate_ = select;
+ setUpdateMechanism(kernel::resource::Model::UpdateAlgo::Full);
} else if (optim == "Lazy") {
- setUpdateMechanism(UM_LAZY);
- 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");
+ xbt_assert(select || xbt_cfg_is_default_value("network/maxmin-selective-update"),
+ "You cannot disable network selective update when using the lazy update mechanism");
+ select = true;
+ setUpdateMechanism(kernel::resource::Model::UpdateAlgo::Lazy);
} else {
xbt_die("Unsupported optimization (%s) for this model. Accepted: Full, Lazy.", optim.c_str());
}
- maxminSystem_ = lmm_system_new(selectiveUpdate_);
- loopback_ = createLink("__loopback__", 498000000, 0.000015, SURF_LINK_FATPIPE);
+ set_maxmin_system(make_new_lmm_system(select));
+ loopback_ = NetworkCm02Model::createLink("__loopback__", 498000000, 0.000015, SURF_LINK_FATPIPE);
- if (getUpdateMechanism() == UM_LAZY) {
- modifiedSet_ = new ActionLmmList();
- maxminSystem_->keep_track = modifiedSet_;
- }
-}
-NetworkCm02Model::NetworkCm02Model(void (*specificSolveFun)(lmm_system_t self))
- : NetworkCm02Model()
-{
- maxminSystem_->solve_fun = specificSolveFun;
+ if (getUpdateMechanism() == kernel::resource::Model::UpdateAlgo::Lazy)
+ get_maxmin_system()->modified_set_ = new kernel::resource::Action::ModifiedSet();
}
LinkImpl* NetworkCm02Model::createLink(const std::string& name, double bandwidth, double latency,
e_surf_link_sharing_policy_t policy)
{
- return new NetworkCm02Link(this, name, bandwidth, latency, policy, maxminSystem_);
+ return new NetworkCm02Link(this, name, bandwidth, latency, policy, get_maxmin_system());
}
-void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/)
+void NetworkCm02Model::update_actions_state_lazy(double now, double /*delta*/)
{
while (not actionHeapIsEmpty() && double_equals(actionHeapTopDate(), now, sg_surf_precision)) {
NetworkCm02Action* action = static_cast<NetworkCm02Action*>(actionHeapPop());
XBT_DEBUG("Something happened to action %p", action);
if (TRACE_is_enabled()) {
- int n = lmm_get_number_of_cnst_from_var(maxminSystem_, action->getVariable());
+ int n = action->get_variable()->get_number_of_constraint();
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));
- double value = lmm_variable_getvalue(action->getVariable())*
- lmm_get_cnst_weight_from_var(maxminSystem_, action->getVariable(), i);
- TRACE_surf_link_set_utilization(link->getCname(), action->getCategory(), value, action->getLastUpdate(),
- now - action->getLastUpdate());
+ kernel::lmm::Constraint* constraint = action->get_variable()->get_constraint(i);
+ NetworkCm02Link* link = static_cast<NetworkCm02Link*>(constraint->get_id());
+ double value = action->get_variable()->get_value() * action->get_variable()->get_constraint_weight(i);
+ TRACE_surf_link_set_utilization(link->getCname(), action->get_category(), value, action->get_last_update(),
+ now - action->get_last_update());
}
}
// if I am wearing a latency hat
- if (action->getHat() == LATENCY) {
+ if (action->get_type() == kernel::resource::Action::Type::LATENCY) {
XBT_DEBUG("Latency paid for action %p. Activating", action);
- lmm_update_variable_weight(maxminSystem_, action->getVariable(), action->weight_);
- action->heapRemove(getActionHeap());
- action->refreshLastUpdate();
-
- // if I am wearing a max_duration or normal hat
- } 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
+ get_maxmin_system()->update_variable_weight(action->get_variable(), action->weight_);
+ action->heapRemove();
+ action->set_last_update();
+
+ // if I am wearing a max_duration or normal hat
+ } else if (action->get_type() == kernel::resource::Action::Type::MAX_DURATION ||
+ action->get_type() == kernel::resource::Action::Type::NORMAL) {
+ // no need to communicate anymore
+ // assume that flows that reached max_duration have remaining of 0
XBT_DEBUG("Action %p finished", action);
- action->setRemains(0);
- action->finish(Action::State::done);
- action->heapRemove(getActionHeap());
+ action->finish(kernel::resource::Action::State::done);
+ action->heapRemove();
}
}
}
-
-void NetworkCm02Model::updateActionsStateFull(double now, double delta)
+void NetworkCm02Model::update_actions_state_full(double now, double delta)
{
- ActionList *running_actions = getRunningActionSet();
- ActionList::iterator it(running_actions->begin());
- ActionList::iterator itend(running_actions->end());
- while (it != itend) {
- NetworkCm02Action *action = static_cast<NetworkCm02Action*> (&*it);
- ++it;
- XBT_DEBUG("Something happened to action %p", action);
- double deltap = delta;
- if (action->latency_ > 0) {
- if (action->latency_ > deltap) {
- double_update(&(action->latency_), deltap, sg_surf_precision);
- deltap = 0.0;
- } else {
- double_update(&(deltap), action->latency_, sg_surf_precision);
- action->latency_ = 0.0;
- }
- if (action->latency_ <= 0.0 && not action->isSuspended())
- lmm_update_variable_weight(maxminSystem_, action->getVariable(), action->weight_);
- }
- if (TRACE_is_enabled()) {
- int n = lmm_get_number_of_cnst_from_var(maxminSystem_, action->getVariable());
- 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->getCname(), action->getCategory(),
- (lmm_variable_getvalue(action->getVariable()) *
- lmm_get_cnst_weight_from_var(maxminSystem_, action->getVariable(), i)),
- action->getLastUpdate(), now - action->getLastUpdate());
- }
+ for (auto it = std::begin(*get_running_action_set()); it != std::end(*get_running_action_set());) {
+ NetworkCm02Action& action = static_cast<NetworkCm02Action&>(*it);
+ ++it; // increment iterator here since the following calls to action.finish() may invalidate it
+ XBT_DEBUG("Something happened to action %p", &action);
+ double deltap = delta;
+ if (action.latency_ > 0) {
+ if (action.latency_ > deltap) {
+ double_update(&action.latency_, deltap, sg_surf_precision);
+ deltap = 0.0;
+ } else {
+ double_update(&deltap, action.latency_, sg_surf_precision);
+ action.latency_ = 0.0;
}
- if (not lmm_get_number_of_cnst_from_var(maxminSystem_, action->getVariable())) {
- /* There is actually no link used, hence an infinite bandwidth. This happens often when using models like
- * vivaldi. In such case, just make sure that the action completes immediately.
- */
- action->updateRemains(action->getRemains());
+ if (action.latency_ <= 0.0 && not action.is_suspended())
+ get_maxmin_system()->update_variable_weight(action.get_variable(), action.weight_);
+ }
+ if (TRACE_is_enabled()) {
+ int n = action.get_variable()->get_number_of_constraint();
+ for (int i = 0; i < n; i++) {
+ kernel::lmm::Constraint* constraint = action.get_variable()->get_constraint(i);
+ NetworkCm02Link* link = static_cast<NetworkCm02Link*>(constraint->get_id());
+ TRACE_surf_link_set_utilization(
+ link->getCname(), action.get_category(),
+ (action.get_variable()->get_value() * action.get_variable()->get_constraint_weight(i)),
+ action.get_last_update(), now - action.get_last_update());
}
- action->updateRemains(lmm_variable_getvalue(action->getVariable()) * delta);
+ }
+ if (not action.get_variable()->get_number_of_constraint()) {
+ /* There is actually no link used, hence an infinite bandwidth. This happens often when using models like
+ * vivaldi. In such case, just make sure that the action completes immediately.
+ */
+ action.update_remains(action.get_remains());
+ }
+ 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);
- 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);
}
}
}
-Action* NetworkCm02Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
+kernel::resource::Action* NetworkCm02Model::communicate(s4u::Host* src, s4u::Host* dst, double size, double rate)
{
int failed = 0;
double latency = 0.0;
action->weight_ = latency;
action->latency_ = latency;
action->rate_ = rate;
- if (getUpdateMechanism() == UM_LAZY) {
- action->refreshLastUpdate();
+ if (getUpdateMechanism() == kernel::resource::Model::UpdateAlgo::Lazy) {
+ action->set_last_update();
}
double bandwidth_bound = -1.0;
constraints_per_variable += back_route.size();
if (action->latency_ > 0) {
- action->setVariable(lmm_variable_new(maxminSystem_, action, 0.0, -1.0, constraints_per_variable));
- if (getUpdateMechanism() == UM_LAZY) {
+ action->set_variable(get_maxmin_system()->variable_new(action, 0.0, -1.0, constraints_per_variable));
+ if (getUpdateMechanism() == kernel::resource::Model::UpdateAlgo::Lazy) {
// add to the heap the event when the latency is payed
- XBT_DEBUG("Added action (%p) one latency event at date %f", action, action->latency_ + action->getLastUpdate());
- action->heapInsert(getActionHeap(), action->latency_ + action->getLastUpdate(), route.empty() ? NORMAL : LATENCY);
+ XBT_DEBUG("Added action (%p) one latency event at date %f", action, action->latency_ + action->get_last_update());
+ action->heapInsert(action->latency_ + action->get_last_update(), route.empty()
+ ? kernel::resource::Action::Type::NORMAL
+ : kernel::resource::Action::Type::LATENCY);
}
} else
- action->setVariable(lmm_variable_new(maxminSystem_, action, 1.0, -1.0, constraints_per_variable));
+ action->set_variable(get_maxmin_system()->variable_new(action, 1.0, -1.0, constraints_per_variable));
if (action->rate_ < 0) {
- lmm_update_variable_bound(maxminSystem_, action->getVariable(), (action->latCurrent_ > 0) ? sg_tcp_gamma / (2.0 * action->latCurrent_) : -1.0);
+ get_maxmin_system()->update_variable_bound(
+ action->get_variable(), (action->latCurrent_ > 0) ? sg_tcp_gamma / (2.0 * action->latCurrent_) : -1.0);
} else {
- lmm_update_variable_bound(maxminSystem_, action->getVariable(), (action->latCurrent_ > 0) ? std::min(action->rate_, sg_tcp_gamma / (2.0 * action->latCurrent_)) : action->rate_);
+ get_maxmin_system()->update_variable_bound(action->get_variable(),
+ (action->latCurrent_ > 0)
+ ? std::min(action->rate_, sg_tcp_gamma / (2.0 * action->latCurrent_))
+ : action->rate_);
}
for (auto const& link : route)
- lmm_expand(maxminSystem_, link->constraint(), action->getVariable(), 1.0);
+ get_maxmin_system()->expand(link->constraint(), action->get_variable(), 1.0);
if (not back_route.empty()) { // sg_network_crosstraffic was activated
- XBT_DEBUG("Fullduplex active adding backward flow using 5%%");
+ XBT_DEBUG("Crosstraffic active adding backward flow using 5%%");
for (auto const& link : back_route)
- lmm_expand(maxminSystem_, link->constraint(), action->getVariable(), .05);
+ get_maxmin_system()->expand(link->constraint(), action->get_variable(), .05);
- //Change concurrency_share here, if you want that cross-traffic is included in the SURF concurrency
- //(You would also have to change lmm_element_concurrency())
- //lmm_variable_concurrency_share_set(action->getVariable(),2);
+ // Change concurrency_share here, if you want that cross-traffic is included in the SURF concurrency
+ // (You would also have to change simgrid::kernel::lmm::Element::get_concurrency())
+ // action->getVariable()->set_concurrency_share(2)
}
XBT_OUT();
* Resource *
************/
NetworkCm02Link::NetworkCm02Link(NetworkCm02Model* model, const std::string& name, double bandwidth, double latency,
- e_surf_link_sharing_policy_t policy, lmm_system_t system)
- : LinkImpl(model, name, lmm_constraint_new(system, this, sg_bandwidth_factor * bandwidth))
+ e_surf_link_sharing_policy_t policy, kernel::lmm::System* system)
+ : LinkImpl(model, name, system->constraint_new(this, sg_bandwidth_factor * bandwidth))
{
bandwidth_.scale = 1.0;
bandwidth_.peak = bandwidth;
latency_.peak = latency;
if (policy == SURF_LINK_FATPIPE)
- lmm_constraint_shared(constraint());
+ constraint()->unshare();
simgrid::s4u::Link::onCreation(this->piface_);
}
if (value > 0)
turnOn();
else {
- lmm_variable_t var = nullptr;
- lmm_element_t elem = nullptr;
- double now = surf_get_clock();
+ kernel::lmm::Variable* var = nullptr;
+ const_lmm_element_t elem = nullptr;
+ double now = surf_get_clock();
turnOff();
- while ((var = lmm_get_var_from_cnst(model()->getMaxminSystem(), constraint(), &elem))) {
- Action *action = static_cast<Action*>( lmm_variable_id(var) );
+ while ((var = constraint()->get_variable(&elem))) {
+ kernel::resource::Action* action = static_cast<kernel::resource::Action*>(var->get_id());
- if (action->getState() == Action::State::running ||
- action->getState() == Action::State::ready) {
- action->setFinishTime(now);
- action->setState(Action::State::failed);
+ if (action->get_state() == kernel::resource::Action::State::running ||
+ action->get_state() == kernel::resource::Action::State::ready) {
+ action->set_finish_time(now);
+ action->set_state(kernel::resource::Action::State::failed);
}
}
}
void NetworkCm02Link::setBandwidth(double value)
{
-
bandwidth_.peak = value;
- lmm_update_constraint_bound(model()->getMaxminSystem(), constraint(),
- sg_bandwidth_factor * (bandwidth_.peak * bandwidth_.scale));
+ model()->get_maxmin_system()->update_constraint_bound(constraint(),
+ sg_bandwidth_factor * (bandwidth_.peak * bandwidth_.scale));
TRACE_surf_link_set_bandwidth(surf_get_clock(), getCname(), sg_bandwidth_factor * bandwidth_.peak * bandwidth_.scale);
if (sg_weight_S_parameter > 0) {
double delta = sg_weight_S_parameter / value - sg_weight_S_parameter / (bandwidth_.peak * bandwidth_.scale);
- lmm_variable_t var;
- lmm_element_t elem = nullptr;
- lmm_element_t nextelem = nullptr;
- int numelem = 0;
- while ((var = lmm_get_var_from_cnst_safe(model()->getMaxminSystem(), constraint(), &elem, &nextelem, &numelem))) {
- NetworkCm02Action *action = static_cast<NetworkCm02Action*>(lmm_variable_id(var));
+ kernel::lmm::Variable* var;
+ const_lmm_element_t elem = nullptr;
+ const_lmm_element_t nextelem = nullptr;
+ int numelem = 0;
+ while ((var = constraint()->get_variable_safe(&elem, &nextelem, &numelem))) {
+ NetworkCm02Action* action = static_cast<NetworkCm02Action*>(var->get_id());
action->weight_ += delta;
- if (not action->isSuspended())
- lmm_update_variable_weight(model()->getMaxminSystem(), action->getVariable(), action->weight_);
+ if (not action->is_suspended())
+ model()->get_maxmin_system()->update_variable_weight(action->get_variable(), action->weight_);
}
}
}
void NetworkCm02Link::setLatency(double value)
{
- double delta = value - latency_.peak;
- lmm_variable_t var = nullptr;
- lmm_element_t elem = nullptr;
- lmm_element_t nextelem = nullptr;
- int numelem = 0;
+ double delta = value - latency_.peak;
+ kernel::lmm::Variable* var = nullptr;
+ const_lmm_element_t elem = nullptr;
+ const_lmm_element_t nextelem = nullptr;
+ int numelem = 0;
latency_.peak = value;
- while ((var = lmm_get_var_from_cnst_safe(model()->getMaxminSystem(), constraint(), &elem, &nextelem, &numelem))) {
- NetworkCm02Action *action = static_cast<NetworkCm02Action*>(lmm_variable_id(var));
+ while ((var = constraint()->get_variable_safe(&elem, &nextelem, &numelem))) {
+ NetworkCm02Action* action = static_cast<NetworkCm02Action*>(var->get_id());
action->latCurrent_ += delta;
action->weight_ += delta;
if (action->rate_ < 0)
- lmm_update_variable_bound(model()->getMaxminSystem(), action->getVariable(),
- sg_tcp_gamma / (2.0 * action->latCurrent_));
+ model()->get_maxmin_system()->update_variable_bound(action->get_variable(),
+ sg_tcp_gamma / (2.0 * action->latCurrent_));
else {
- lmm_update_variable_bound(model()->getMaxminSystem(), action->getVariable(),
- std::min(action->rate_, sg_tcp_gamma / (2.0 * action->latCurrent_)));
+ model()->get_maxmin_system()->update_variable_bound(
+ action->get_variable(), std::min(action->rate_, sg_tcp_gamma / (2.0 * action->latCurrent_)));
if (action->rate_ < sg_tcp_gamma / (2.0 * action->latCurrent_)) {
XBT_INFO("Flow is limited BYBANDWIDTH");
XBT_INFO("Flow is limited BYLATENCY, latency of flow is %f", action->latCurrent_);
}
}
- if (not action->isSuspended())
- lmm_update_variable_weight(model()->getMaxminSystem(), action->getVariable(), action->weight_);
+ if (not action->is_suspended())
+ model()->get_maxmin_system()->update_variable_weight(action->get_variable(), action->weight_);
}
}
* Action *
**********/
-void NetworkCm02Action::updateRemainingLazy(double now)
+void NetworkCm02Action::update_remains_lazy(double now)
{
- if (suspended_ != 0)
+ if (suspended_ != Action::SuspendStates::not_suspended)
return;
- double delta = now - getLastUpdate();
- double max_duration = getMaxDuration();
+ double delta = now - get_last_update();
+ double max_duration = get_max_duration();
- if (getRemainsNoUpdate() > 0) {
- XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, getRemainsNoUpdate(), getLastUpdate());
- updateRemains(getLastValue() * delta);
+ if (get_remains_no_update() > 0) {
+ XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, get_remains_no_update(),
+ get_last_update());
+ update_remains(get_last_value() * delta);
- XBT_DEBUG("Updating action(%p): remains is now %f", this, getRemainsNoUpdate());
+ XBT_DEBUG("Updating action(%p): remains is now %f", this, get_remains_no_update());
}
if (max_duration > NO_MAX_DURATION) {
double_update(&max_duration, delta, sg_surf_precision);
- setMaxDuration(max_duration);
+ set_max_duration(max_duration);
}
- if ((getRemainsNoUpdate() <= 0 && (lmm_get_variable_weight(getVariable()) > 0)) ||
+ if ((get_remains_no_update() <= 0 && (get_variable()->get_weight() > 0)) ||
((max_duration > NO_MAX_DURATION) && (max_duration <= 0))) {
finish(Action::State::done);
- heapRemove(getModel()->getActionHeap());
+ heapRemove();
}
- refreshLastUpdate();
- setLastValue(lmm_variable_getvalue(getVariable()));
+ set_last_update();
+ set_last_value(get_variable()->get_value());
}
}