X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/595e59c568ff5f8510de201bfd800951cdc2adcb..b56f5db19216ad6717f65e0c52383c87bad6e043:/src/surf/network_cm02.cpp diff --git a/src/surf/network_cm02.cpp b/src/surf/network_cm02.cpp index 75af96b496..bd5b18af45 100644 --- a/src/surf/network_cm02.cpp +++ b/src/surf/network_cm02.cpp @@ -9,11 +9,10 @@ #include "network_cm02.hpp" #include "simgrid/s4u/Host.hpp" #include "simgrid/sg_config.h" -#include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals +#include "src/instr/instr_private.hpp" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network); -double sg_sender_gap = 0.0; double sg_latency_factor = 1.0; /* default value; can be set by model or from command line */ double sg_bandwidth_factor = 1.0; /* default value; can be set by model or from command line */ double sg_weight_S_parameter = 0.0; /* default value; can be set by model or from command line */ @@ -65,12 +64,12 @@ void surf_network_model_init_CM02() if (surf_network_model) return; - surf_network_model = new simgrid::surf::NetworkCm02Model(); - all_existing_models->push_back(surf_network_model); - xbt_cfg_setdefault_double("network/latency-factor", 1.0); xbt_cfg_setdefault_double("network/bandwidth-factor", 1.0); xbt_cfg_setdefault_double("network/weight-S", 0.0); + + surf_network_model = new simgrid::surf::NetworkCm02Model(); + all_existing_models->push_back(surf_network_model); } /***************************************************************************/ @@ -88,14 +87,14 @@ void surf_network_model_init_Reno() if (surf_network_model) return; - surf_network_model = new simgrid::surf::NetworkCm02Model(&lagrange_solve); - all_existing_models->push_back(surf_network_model); - lmm_set_default_protocol_function(func_reno_f, func_reno_fp, func_reno_fpi); - xbt_cfg_setdefault_double("network/latency-factor", 10.4); - xbt_cfg_setdefault_double("network/bandwidth-factor", 0.92); - xbt_cfg_setdefault_double("network/weight-S", 8775); + 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); + all_existing_models->push_back(surf_network_model); } @@ -104,14 +103,14 @@ void surf_network_model_init_Reno2() if (surf_network_model) return; - surf_network_model = new simgrid::surf::NetworkCm02Model(&lagrange_solve); - all_existing_models->push_back(surf_network_model); - lmm_set_default_protocol_function(func_reno2_f, func_reno2_fp, func_reno2_fpi); - xbt_cfg_setdefault_double("network/latency-factor", 10.4); - xbt_cfg_setdefault_double("network/bandwidth-factor", 0.92); - xbt_cfg_setdefault_double("network/weight-S", 8775); + 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); + all_existing_models->push_back(surf_network_model); } void surf_network_model_init_Vegas() @@ -119,14 +118,14 @@ void surf_network_model_init_Vegas() if (surf_network_model) return; - surf_network_model = new simgrid::surf::NetworkCm02Model(&lagrange_solve); - all_existing_models->push_back(surf_network_model); - lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp, func_vegas_fpi); - xbt_cfg_setdefault_double("network/latency-factor", 10.4); - xbt_cfg_setdefault_double("network/bandwidth-factor", 0.92); - xbt_cfg_setdefault_double("network/weight-S", 8775); + 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); + all_existing_models->push_back(surf_network_model); } namespace simgrid { @@ -135,27 +134,25 @@ namespace surf { NetworkCm02Model::NetworkCm02Model() :NetworkModel() { - char *optim = xbt_cfg_get_string("network/optim"); + std::string optim = xbt_cfg_get_string("network/optim"); bool select = xbt_cfg_get_boolean("network/maxmin-selective-update"); - if (!strcmp(optim, "Full")) { - updateMechanism_ = UM_FULL; + if (optim == "Full") { + setUpdateMechanism(UM_FULL); selectiveUpdate_ = select; - } else if (!strcmp(optim, "Lazy")) { - updateMechanism_ = UM_LAZY; + } 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"); } else { - xbt_die("Unsupported optimization (%s) for this model. Accepted: Full, Lazy.", optim); + 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); - if (updateMechanism_ == UM_LAZY) { - actionHeap_ = xbt_heap_new(8, nullptr); - xbt_heap_set_update_callback(actionHeap_, surf_action_lmm_update_index_heap); + if (getUpdateMechanism() == UM_LAZY) { modifiedSet_ = new ActionLmmList(); maxminSystem_->keep_track = modifiedSet_; } @@ -166,7 +163,7 @@ NetworkCm02Model::NetworkCm02Model(void (*specificSolveFun)(lmm_system_t self)) maxminSystem_->solve_fun = specificSolveFun; } -LinkImpl* NetworkCm02Model::createLink(const char* name, double bandwidth, double latency, +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_); @@ -174,10 +171,9 @@ LinkImpl* NetworkCm02Model::createLink(const char* name, double bandwidth, doubl void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/) { - while ((xbt_heap_size(actionHeap_) > 0) - && (double_equals(xbt_heap_maxkey(actionHeap_), now, sg_surf_precision))) { + while (not actionHeapIsEmpty() && double_equals(actionHeapTopDate(), now, sg_surf_precision)) { - NetworkCm02Action *action = static_cast (xbt_heap_pop(actionHeap_)); + NetworkCm02Action* action = static_cast(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()); @@ -187,7 +183,7 @@ void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/) NetworkCm02Link *link = static_cast(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->cname(), action->getCategory(), value, action->getLastUpdate(), + TRACE_surf_link_set_utilization(link->getCname(), action->getCategory(), value, action->getLastUpdate(), now - action->getLastUpdate()); } } @@ -196,7 +192,7 @@ void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/) if (action->getHat() == LATENCY) { XBT_DEBUG("Latency paid for action %p. Activating", action); lmm_update_variable_weight(maxminSystem_, action->getVariable(), action->weight_); - action->heapRemove(actionHeap_); + action->heapRemove(getActionHeap()); action->refreshLastUpdate(); // if I am wearing a max_duration or normal hat @@ -205,11 +201,8 @@ void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/) // assume that flows that reached max_duration have remaining of 0 XBT_DEBUG("Action %p finished", action); action->setRemains(0); - action->finish(); - action->setState(Action::State::done); - action->heapRemove(actionHeap_); - - action->gapRemove(); + action->finish(Action::State::done); + action->heapRemove(getActionHeap()); } } } @@ -218,12 +211,11 @@ void NetworkCm02Model::updateActionsStateLazy(double now, double /*delta*/) void NetworkCm02Model::updateActionsStateFull(double now, double delta) { ActionList *running_actions = getRunningActionSet(); - - for(ActionList::iterator it(running_actions->begin()), itNext=it, itend(running_actions->end()) - ; it != itend ; it=itNext) { - ++itNext; - + ActionList::iterator it(running_actions->begin()); + ActionList::iterator itend(running_actions->end()); + while (it != itend) { NetworkCm02Action *action = static_cast (&*it); + ++it; XBT_DEBUG("Something happened to action %p", action); double deltap = delta; if (action->latency_ > 0) { @@ -234,7 +226,7 @@ void NetworkCm02Model::updateActionsStateFull(double now, double delta) double_update(&(deltap), action->latency_, sg_surf_precision); action->latency_ = 0.0; } - if (action->latency_ <= 0.0 && !(action->isSuspended())) + if (action->latency_ <= 0.0 && not action->isSuspended()) lmm_update_variable_weight(maxminSystem_, action->getVariable(), action->weight_); } if (TRACE_is_enabled()) { @@ -243,13 +235,13 @@ void NetworkCm02Model::updateActionsStateFull(double now, double delta) lmm_constraint_t constraint = lmm_get_cnst_from_var(maxminSystem_, action->getVariable(), i); NetworkCm02Link* link = static_cast(lmm_constraint_id(constraint)); - TRACE_surf_link_set_utilization(link->cname(), action->getCategory(), + 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()); } } - if (!lmm_get_number_of_cnst_from_var (maxminSystem_, action->getVariable())) { + 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. */ @@ -262,9 +254,7 @@ void NetworkCm02Model::updateActionsStateFull(double now, double delta) if (((action->getRemains() <= 0) && (lmm_get_variable_weight(action->getVariable()) > 0)) || ((action->getMaxDuration() > NO_MAX_DURATION) && (action->getMaxDuration() <= 0))) { - action->finish(); - action->setState(Action::State::done); - action->gapRemove(); + action->finish(Action::State::done); } } } @@ -273,24 +263,23 @@ Action* NetworkCm02Model::communicate(s4u::Host* src, s4u::Host* dst, double siz { int failed = 0; double latency = 0.0; - std::vector* back_route = nullptr; - std::vector* route = new std::vector(); + std::vector back_route; + std::vector route; - XBT_IN("(%s,%s,%g,%g)", src->cname(), dst->cname(), size, rate); + XBT_IN("(%s,%s,%g,%g)", src->getCname(), dst->getCname(), size, rate); src->routeTo(dst, route, &latency); - xbt_assert(!route->empty() || latency, + xbt_assert(not route.empty() || latency, "You're trying to send data from %s to %s but there is no connecting path between these two hosts.", - src->cname(), dst->cname()); + src->getCname(), dst->getCname()); - for (auto link: *route) + for (auto const& link : route) if (link->isOff()) failed = 1; if (sg_network_crosstraffic == 1) { - back_route = new std::vector(); dst->routeTo(src, back_route, nullptr); - for (auto link: *back_route) + for (auto const& link : back_route) if (link->isOff()) failed = 1; } @@ -299,17 +288,16 @@ Action* NetworkCm02Model::communicate(s4u::Host* src, s4u::Host* dst, double siz action->weight_ = latency; action->latency_ = latency; action->rate_ = rate; - if (updateMechanism_ == UM_LAZY) { - action->indexHeap_ = -1; - action->lastUpdate_ = surf_get_clock(); + if (getUpdateMechanism() == UM_LAZY) { + action->refreshLastUpdate(); } double bandwidth_bound = -1.0; if (sg_weight_S_parameter > 0) - for (auto link : *route) + for (auto const& link : route) action->weight_ += sg_weight_S_parameter / link->bandwidth(); - for (auto link : *route) { + for (auto const& link : route) { double bb = bandwidthFactor(size) * link->bandwidth(); bandwidth_bound = (bandwidth_bound < 0.0) ? bb : std::min(bandwidth_bound, bb); } @@ -317,28 +305,19 @@ Action* NetworkCm02Model::communicate(s4u::Host* src, s4u::Host* dst, double siz action->latCurrent_ = action->latency_; action->latency_ *= latencyFactor(size); action->rate_ = bandwidthConstraint(action->rate_, bandwidth_bound, size); - if (haveGap_) { - xbt_assert(! route->empty(), - "Using a model with a gap (e.g., SMPI) with a platform without links (e.g. vivaldi)!!!"); - - gapAppend(size, route->at(0), action); - XBT_DEBUG("Comm %p: %s -> %s gap=%f (lat=%f)", action, src->cname(), dst->cname(), action->senderGap_, - action->latency_); - } - int constraints_per_variable = route->size(); - if (back_route != nullptr) - constraints_per_variable += back_route->size(); + int constraints_per_variable = route.size(); + constraints_per_variable += back_route.size(); if (action->latency_ > 0) { - action->variable_ = lmm_variable_new(maxminSystem_, action, 0.0, -1.0, constraints_per_variable); - if (updateMechanism_ == UM_LAZY) { + action->setVariable(lmm_variable_new(maxminSystem_, action, 0.0, -1.0, constraints_per_variable)); + if (getUpdateMechanism() == UM_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->lastUpdate_); - action->heapInsert(actionHeap_, action->latency_ + action->lastUpdate_, route->empty() ? NORMAL : LATENCY); + 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); } } else - action->variable_ = lmm_variable_new(maxminSystem_, action, 1.0, -1.0, constraints_per_variable); + action->setVariable(lmm_variable_new(maxminSystem_, 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); @@ -346,35 +325,28 @@ Action* NetworkCm02Model::communicate(s4u::Host* src, s4u::Host* dst, double siz lmm_update_variable_bound(maxminSystem_, action->getVariable(), (action->latCurrent_ > 0) ? std::min(action->rate_, sg_tcp_gamma / (2.0 * action->latCurrent_)) : action->rate_); } - for (auto link: *route) + for (auto const& link : route) lmm_expand(maxminSystem_, link->constraint(), action->getVariable(), 1.0); - if (back_route != nullptr) { // sg_network_crosstraffic was activated + if (not back_route.empty()) { // sg_network_crosstraffic was activated XBT_DEBUG("Fullduplex active adding backward flow using 5%%"); - for (auto link : *back_route) + for (auto const& link : back_route) lmm_expand(maxminSystem_, link->constraint(), action->getVariable(), .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); } - - delete route; - delete back_route; XBT_OUT(); simgrid::s4u::Link::onCommunicate(action, src, dst); return action; } -void NetworkCm02Model::gapAppend(double size, const LinkImpl* link, NetworkAction* action){ - // Nothing -}; - /************ * Resource * ************/ -NetworkCm02Link::NetworkCm02Link(NetworkCm02Model* model, const char* name, double bandwidth, double latency, +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)) { @@ -435,7 +407,7 @@ void NetworkCm02Link::setBandwidth(double value) lmm_update_constraint_bound(model()->getMaxminSystem(), constraint(), sg_bandwidth_factor * (bandwidth_.peak * bandwidth_.scale)); - TRACE_surf_link_set_bandwidth(surf_get_clock(), cname(), 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); @@ -447,7 +419,7 @@ void NetworkCm02Link::setBandwidth(double value) while ((var = lmm_get_var_from_cnst_safe(model()->getMaxminSystem(), constraint(), &elem, &nextelem, &numelem))) { NetworkCm02Action *action = static_cast(lmm_variable_id(var)); action->weight_ += delta; - if (!action->isSuspended()) + if (not action->isSuspended()) lmm_update_variable_weight(model()->getMaxminSystem(), action->getVariable(), action->weight_); } } @@ -480,7 +452,7 @@ void NetworkCm02Link::setLatency(double value) XBT_INFO("Flow is limited BYLATENCY, latency of flow is %f", action->latCurrent_); } } - if (!action->isSuspended()) + if (not action->isSuspended()) lmm_update_variable_weight(model()->getMaxminSystem(), action->getVariable(), action->weight_); } } @@ -494,31 +466,30 @@ void NetworkCm02Action::updateRemainingLazy(double now) if (suspended_ != 0) return; - double delta = now - lastUpdate_; + double delta = now - getLastUpdate(); + double max_duration = getMaxDuration(); - if (remains_ > 0) { - XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, remains_, lastUpdate_); - double_update(&(remains_), lastValue_ * delta, sg_maxmin_precision*sg_surf_precision); + if (getRemainsNoUpdate() > 0) { + XBT_DEBUG("Updating action(%p): remains was %f, last_update was: %f", this, getRemainsNoUpdate(), getLastUpdate()); + updateRemains(getLastValue() * delta); - XBT_DEBUG("Updating action(%p): remains is now %f", this, remains_); + XBT_DEBUG("Updating action(%p): remains is now %f", this, getRemainsNoUpdate()); } - if (maxDuration_ > NO_MAX_DURATION) - double_update(&maxDuration_, delta, sg_surf_precision); + if (max_duration > NO_MAX_DURATION) { + double_update(&max_duration, delta, sg_surf_precision); + setMaxDuration(max_duration); + } - if ((remains_ <= 0 && (lmm_get_variable_weight(getVariable()) > 0)) || - ((maxDuration_ > NO_MAX_DURATION) && (maxDuration_ <= 0))) { - finish(); - setState(Action::State::done); + if ((getRemainsNoUpdate() <= 0 && (lmm_get_variable_weight(getVariable()) > 0)) || + ((max_duration > NO_MAX_DURATION) && (max_duration <= 0))) { + finish(Action::State::done); heapRemove(getModel()->getActionHeap()); } - lastUpdate_ = now; - lastValue_ = lmm_variable_getvalue(getVariable()); + refreshLastUpdate(); + setLastValue(lmm_variable_getvalue(getVariable())); } -void NetworkCm02Link::gapAppend(double size, const LinkImpl* link, NetworkAction* action){ - // Nothing -}; } }