+++ /dev/null
-/* Copyright (c) 2009-2011, 2013-2017. 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 "cpu_cas01.hpp"
-#include "cpu_ti.hpp"
-#include "simgrid/sg_config.h"
-#include "src/kernel/lmm/maxmin.hpp"
-#include "xbt/utility.hpp"
-#include <algorithm>
-
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_cas, surf_cpu, "Logging specific to the SURF CPU IMPROVED module");
-
-/*********
- * Model *
- *********/
-void surf_cpu_model_init_Cas01()
-{
- xbt_assert(not surf_cpu_model_pm);
- xbt_assert(not surf_cpu_model_vm);
-
- if (xbt_cfg_get_string("cpu/optim") == "TI") {
- surf_cpu_model_init_ti();
- return;
- }
-
- surf_cpu_model_pm = new simgrid::surf::CpuCas01Model();
- all_existing_models->push_back(surf_cpu_model_pm);
-
- surf_cpu_model_vm = new simgrid::surf::CpuCas01Model();
- all_existing_models->push_back(surf_cpu_model_vm);
-}
-
-namespace simgrid {
-namespace surf {
-
-CpuCas01Model::CpuCas01Model() : simgrid::surf::CpuModel()
-{
- std::string optim = xbt_cfg_get_string("cpu/optim");
- bool select = xbt_cfg_get_boolean("cpu/maxmin-selective-update");
-
- if (optim == "Full") {
- setUpdateMechanism(UM_FULL);
- selectiveUpdate_ = select;
- } else if (optim == "Lazy") {
- setUpdateMechanism(UM_LAZY);
- selectiveUpdate_ = true;
- xbt_assert(select || (xbt_cfg_is_default_value("cpu/maxmin-selective-update")),
- "Disabling selective update while using the lazy update mechanism is dumb!");
- } else {
- xbt_die("Unsupported optimization (%s) for this model", optim.c_str());
- }
-
- maxminSystem_ = new simgrid::kernel::lmm::System(selectiveUpdate_);
-
- if (getUpdateMechanism() == UM_LAZY) {
- modifiedSet_ = new ActionLmmList();
- maxminSystem_->keep_track = modifiedSet_;
- }
-}
-
-CpuCas01Model::~CpuCas01Model()
-{
- surf_cpu_model_pm = nullptr;
-}
-
-Cpu *CpuCas01Model::createCpu(simgrid::s4u::Host *host, std::vector<double> *speedPerPstate, int core)
-{
- return new CpuCas01(this, host, speedPerPstate, core);
-}
-
-/************
- * Resource *
- ************/
-CpuCas01::CpuCas01(CpuCas01Model* model, simgrid::s4u::Host* host, std::vector<double>* speedPerPstate, int core)
- : Cpu(model, host, model->getMaxminSystem()->constraint_new(this, core * speedPerPstate->front()), speedPerPstate,
- core)
-{
-}
-
-CpuCas01::~CpuCas01()
-{
- if (model() == surf_cpu_model_pm)
- speedPerPstate_.clear();
-}
-
-std::vector<double> * CpuCas01::getSpeedPeakList(){
- return &speedPerPstate_;
-}
-
-bool CpuCas01::isUsed()
-{
- return model()->getMaxminSystem()->constraint_used(constraint());
-}
-
-/** @brief take into account changes of speed (either load or max) */
-void CpuCas01::onSpeedChange() {
- lmm_variable_t var = nullptr;
- const_lmm_element_t elem = nullptr;
-
- model()->getMaxminSystem()->update_constraint_bound(constraint(), coresAmount_ * speed_.scale * speed_.peak);
- while ((var = constraint()->get_variable(&elem))) {
- CpuCas01Action* action = static_cast<CpuCas01Action*>(var->get_id());
-
- model()->getMaxminSystem()->update_variable_bound(action->getVariable(),
- action->requestedCore() * speed_.scale * speed_.peak);
- }
-
- Cpu::onSpeedChange();
-}
-
-void CpuCas01::apply_event(tmgr_trace_event_t event, double value)
-{
- if (event == speed_.event) {
- /* TODO (Hypervisor): do the same thing for constraint_core[i] */
- xbt_assert(coresAmount_ == 1, "FIXME: add speed scaling code also for constraint_core[i]");
-
- speed_.scale = value;
- onSpeedChange();
-
- tmgr_trace_event_unref(&speed_.event);
- } else if (event == stateEvent_) {
- /* TODO (Hypervisor): do the same thing for constraint_core[i] */
- xbt_assert(coresAmount_ == 1, "FIXME: add state change code also for constraint_core[i]");
-
- if (value > 0) {
- if(isOff())
- host_that_restart.push_back(getHost());
- turnOn();
- } else {
- lmm_constraint_t cnst = constraint();
- lmm_variable_t var = nullptr;
- const_lmm_element_t elem = nullptr;
- double date = surf_get_clock();
-
- turnOff();
-
- while ((var = cnst->get_variable(&elem))) {
- Action* action = static_cast<Action*>(var->get_id());
-
- if (action->getState() == Action::State::running ||
- action->getState() == Action::State::ready ||
- action->getState() == Action::State::not_in_the_system) {
- action->setFinishTime(date);
- action->setState(Action::State::failed);
- }
- }
- }
- tmgr_trace_event_unref(&stateEvent_);
-
- } else {
- xbt_die("Unknown event!\n");
- }
-}
-
-/** @brief Start a new execution on this CPU lasting @param size flops and using one core */
-CpuAction* CpuCas01::execution_start(double size)
-{
- return new CpuCas01Action(model(), size, isOff(), speed_.scale * speed_.peak, constraint());
-}
-
-CpuAction* CpuCas01::execution_start(double size, int requestedCores)
-{
- return new CpuCas01Action(model(), size, isOff(), speed_.scale * speed_.peak, constraint(), requestedCores);
-}
-
-CpuAction *CpuCas01::sleep(double duration)
-{
- if (duration > 0)
- duration = std::max(duration, sg_surf_precision);
-
- XBT_IN("(%s,%g)", getCname(), duration);
- CpuCas01Action* action = new CpuCas01Action(model(), 1.0, isOff(), speed_.scale * speed_.peak, constraint());
-
- // FIXME: sleep variables should not consume 1.0 in System::expand()
- action->setMaxDuration(duration);
- action->suspended_ = Action::SuspendStates::sleeping;
- if (duration < 0) { // NO_MAX_DURATION
- /* Move to the *end* of the corresponding action set. This convention is used to speed up update_resource_state */
- simgrid::xbt::intrusive_erase(*action->getStateSet(), *action);
- action->stateSet_ = &static_cast<CpuCas01Model*>(model())->p_cpuRunningActionSetThatDoesNotNeedBeingChecked;
- action->getStateSet()->push_back(*action);
- }
-
- model()->getMaxminSystem()->update_variable_weight(action->getVariable(), 0.0);
- if (model()->getUpdateMechanism() == UM_LAZY) { // remove action from the heap
- action->heapRemove(model()->getActionHeap());
- // this is necessary for a variable with weight 0 since such variables are ignored in lmm and we need to set its
- // max_duration correctly at the next call to share_resources
- model()->getModifiedSet()->push_front(*action);
- }
-
- XBT_OUT();
- return action;
-}
-
-/**********
- * Action *
- **********/
-CpuCas01Action::CpuCas01Action(Model* model, double cost, bool failed, double speed, lmm_constraint_t constraint,
- int requestedCore)
- : CpuAction(model, cost, failed,
- model->getMaxminSystem()->variable_new(this, 1.0 / requestedCore, requestedCore * speed, 1))
- , requestedCore_(requestedCore)
-{
- if (model->getUpdateMechanism() == UM_LAZY) {
- refreshLastUpdate();
- setLastValue(0.0);
- }
- model->getMaxminSystem()->expand(constraint, getVariable(), 1.0);
-}
-
-CpuCas01Action::CpuCas01Action(Model* model, double cost, bool failed, double speed, lmm_constraint_t constraint)
- : CpuCas01Action(model, cost, failed, speed, constraint, 1)
-{
-}
-
-int CpuCas01Action::requestedCore()
-{
- return requestedCore_;
-}
-
-CpuCas01Action::~CpuCas01Action()=default;
-
-}
-}
