-/* Copyright (c) 2009-2011, 2013-2015. The SimGrid Team.
+/* Copyright (c) 2009-2011, 2013-2016. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include "maxmin_private.hpp"
#include "simgrid/sg_config.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_cas, surf_cpu,
- "Logging specific to the SURF CPU IMPROVED module");
+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()
{
- char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
-
xbt_assert(!surf_cpu_model_pm);
xbt_assert(!surf_cpu_model_vm);
+ char *optim = xbt_cfg_get_string("cpu/optim");
if (!strcmp(optim, "TI")) {
surf_cpu_model_init_ti();
return;
}
surf_cpu_model_pm = new simgrid::surf::CpuCas01Model();
- surf_cpu_model_vm = new simgrid::surf::CpuCas01Model();
-
- sg_platf_postparse_add_cb(simgrid::surf::cpu_add_traces);
+ all_existing_models->push_back(surf_cpu_model_pm);
- simgrid::surf::Model *model_pm = surf_cpu_model_pm;
- simgrid::surf::Model *model_vm = surf_cpu_model_vm;
- xbt_dynar_push(all_existing_models, &model_pm);
- xbt_dynar_push(all_existing_models, &model_vm);
+ surf_cpu_model_vm = new simgrid::surf::CpuCas01Model();
+ all_existing_models->push_back(surf_cpu_model_vm);
}
namespace simgrid {
CpuCas01Model::CpuCas01Model() : simgrid::surf::CpuModel()
{
- char *optim = xbt_cfg_get_string(_sg_cfg_set, "cpu/optim");
- int select = xbt_cfg_get_boolean(_sg_cfg_set, "cpu/maxmin_selective_update");
+ char *optim = xbt_cfg_get_string("cpu/optim");
+ bool select = xbt_cfg_get_boolean("cpu/maxmin-selective-update");
if (!strcmp(optim, "Full")) {
- p_updateMechanism = UM_FULL;
- m_selectiveUpdate = select;
+ updateMechanism_ = UM_FULL;
+ selectiveUpdate_ = select;
} else if (!strcmp(optim, "Lazy")) {
- p_updateMechanism = UM_LAZY;
- m_selectiveUpdate = 1;
- xbt_assert((select == 1)
- ||
- (xbt_cfg_is_default_value
- (_sg_cfg_set, "cpu/maxmin_selective_update")),
+ updateMechanism_ = 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);
}
p_cpuRunningActionSetThatDoesNotNeedBeingChecked = new ActionList();
+ maxminSystem_ = lmm_system_new(selectiveUpdate_);
if (getUpdateMechanism() == UM_LAZY) {
- shareResources = &CpuCas01Model::shareResourcesLazy;
- updateActionsState = &CpuCas01Model::updateActionsStateLazy;
-
- } else if (getUpdateMechanism() == UM_FULL) {
- shareResources = &CpuCas01Model::shareResourcesFull;
- updateActionsState = &CpuCas01Model::updateActionsStateFull;
- } else
- xbt_die("Invalid cpu update mechanism!");
-
- if (!p_maxminSystem) {
- p_maxminSystem = lmm_system_new(m_selectiveUpdate);
- }
-
- if (getUpdateMechanism() == UM_LAZY) {
- p_actionHeap = xbt_heap_new(8, NULL);
- xbt_heap_set_update_callback(p_actionHeap, surf_action_lmm_update_index_heap);
- p_modifiedSet = new ActionLmmList();
- p_maxminSystem->keep_track = p_modifiedSet;
+ actionHeap_ = xbt_heap_new(8, nullptr);
+ xbt_heap_set_update_callback(actionHeap_, surf_action_lmm_update_index_heap);
+ modifiedSet_ = new ActionLmmList();
+ maxminSystem_->keep_track = modifiedSet_;
}
}
CpuCas01Model::~CpuCas01Model()
{
- lmm_system_free(p_maxminSystem);
- p_maxminSystem = NULL;
+ lmm_system_free(maxminSystem_);
+ maxminSystem_ = nullptr;
+ xbt_heap_free(actionHeap_);
+ delete modifiedSet_;
- if (p_actionHeap)
- xbt_heap_free(p_actionHeap);
- delete p_modifiedSet;
-
- surf_cpu_model_pm = NULL;
+ surf_cpu_model_pm = nullptr;
delete p_cpuRunningActionSetThatDoesNotNeedBeingChecked;
}
-Cpu *CpuCas01Model::createCpu(simgrid::Host *host, xbt_dynar_t speedPeak,
- int pstate, double speedScale,
- tmgr_trace_t speedTrace, int core,
- e_surf_resource_state_t state_initial,
- tmgr_trace_t state_trace)
-{
- xbt_assert(xbt_dynar_getfirst_as(speedPeak, double) > 0.0,
- "Speed has to be >0.0. Did you forget to specify the mandatory power attribute?");
- xbt_assert(core > 0, "Invalid number of cores %d. Must be larger than 0", core);
- Cpu *cpu = new CpuCas01(this, host, speedPeak, pstate, speedScale, speedTrace, core, state_initial, state_trace);
- return cpu;
-}
-
-double CpuCas01Model::shareResourcesFull(double /*now*/)
-{
- return Model::shareResourcesMaxMin(getRunningActionSet(),
- p_maxminSystem, lmm_solve);
-}
-
-void CpuCas01Model::addTraces()
+Cpu *CpuCas01Model::createCpu(simgrid::s4u::Host *host, std::vector<double> *speedPerPstate, int core)
{
- xbt_dict_cursor_t cursor = NULL;
- char *trace_name, *elm;
- static int called = 0;
- if (called)
- return;
- called = 1;
-
- /* connect all traces relative to hosts */
- xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
- tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
- CpuCas01 *host = static_cast<CpuCas01*>(sg_host_surfcpu(sg_host_by_name(elm)));
-
- xbt_assert(host, "Host %s undefined", elm);
- xbt_assert(trace, "Trace %s undefined", trace_name);
-
- host->setStateEvent(tmgr_history_add_trace(history, trace, 0.0, 0, host));
- }
-
- xbt_dict_foreach(trace_connect_list_power, cursor, trace_name, elm) {
- tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
- CpuCas01 *host = static_cast<CpuCas01*>(sg_host_surfcpu(sg_host_by_name(elm)));
-
- xbt_assert(host, "Host %s undefined", elm);
- xbt_assert(trace, "Trace %s undefined", trace_name);
-
- host->setPowerEvent(tmgr_history_add_trace(history, trace, 0.0, 0, host));
- }
+ return new CpuCas01(this, host, speedPerPstate, core);
}
/************
* Resource *
************/
-CpuCas01::CpuCas01(CpuCas01Model *model, simgrid::Host *host, xbt_dynar_t speedPeak,
- int pstate, double speedScale, tmgr_trace_t speedTrace, int core,
- e_surf_resource_state_t stateInitial, tmgr_trace_t stateTrace)
-: Cpu(model, host,
- lmm_constraint_new(model->getMaxminSystem(), this, core * speedScale * xbt_dynar_get_as(speedPeak, pstate, double)),
- speedPeak, pstate,
- core, xbt_dynar_get_as(speedPeak, pstate, double), speedScale,
- stateInitial) {
- p_speedEvent = NULL;
-
- XBT_DEBUG("CPU create: peak=%f, pstate=%d", m_speedPeak, m_pstate);
-
- m_core = core;
- if (speedTrace)
- p_speedEvent = tmgr_history_add_trace(history, speedTrace, 0.0, 0, this);
-
- if (stateTrace)
- p_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, this);
+CpuCas01::CpuCas01(CpuCas01Model *model, simgrid::s4u::Host *host, std::vector<double> *speedPerPstate, int core)
+: Cpu(model, host, lmm_constraint_new(model->getMaxminSystem(), this, core * speedPerPstate->front()),
+ speedPerPstate, core)
+{
}
CpuCas01::~CpuCas01()
{
- if (getModel() == surf_cpu_model_pm)
- xbt_dynar_free(&p_speedPeakList);
+ if (model() == surf_cpu_model_pm)
+ speedPerPstate_.clear();
}
-void CpuCas01::setStateEvent(tmgr_trace_event_t stateEvent)
-{
- p_stateEvent = stateEvent;
+std::vector<double> * CpuCas01::getSpeedPeakList(){
+ return &speedPerPstate_;
}
-void CpuCas01::setPowerEvent(tmgr_trace_event_t powerEvent)
+bool CpuCas01::isUsed()
{
- p_speedEvent = powerEvent;
+ return lmm_constraint_used(model()->getMaxminSystem(), constraint());
}
-xbt_dynar_t CpuCas01::getSpeedPeakList(){
- return p_speedPeakList;
-}
+/** @brief take into account changes of speed (either load or max) */
+void CpuCas01::onSpeedChange() {
+ lmm_variable_t var = nullptr;
+ lmm_element_t elem = nullptr;
-bool CpuCas01::isUsed()
-{
- return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint());
+ lmm_update_constraint_bound(model()->getMaxminSystem(), constraint(), coresAmount_ * speed_.scale * speed_.peak);
+ while ((var = lmm_get_var_from_cnst(model()->getMaxminSystem(), constraint(), &elem))) {
+ CpuCas01Action* action = static_cast<CpuCas01Action*>(lmm_variable_id(var));
+
+ lmm_update_variable_bound(model()->getMaxminSystem(), action->getVariable(), speed_.scale * speed_.peak);
+ }
+
+ Cpu::onSpeedChange();
}
-void CpuCas01::updateState(tmgr_trace_event_t event_type, double value, double date)
+void CpuCas01::apply_event(tmgr_trace_iterator_t event, double value)
{
- lmm_variable_t var = NULL;
- lmm_element_t elem = NULL;
-
- if (event_type == p_speedEvent) {
- /* TODO (Hypervisor): do the same thing for constraint_core[i] */
- xbt_assert(m_core == 1, "FIXME: add speed scaling code also for constraint_core[i]");
-
- m_speedScale = value;
- lmm_update_constraint_bound(getModel()->getMaxminSystem(), getConstraint(),
- m_core * m_speedScale *
- m_speedPeak);
- TRACE_surf_host_set_speed(date, getName(),
- m_core * m_speedScale *
- m_speedPeak);
- while ((var = lmm_get_var_from_cnst
- (getModel()->getMaxminSystem(), getConstraint(), &elem))) {
- CpuCas01Action *action = static_cast<CpuCas01Action*>(lmm_variable_id(var));
-
- lmm_update_variable_bound(getModel()->getMaxminSystem(),
- action->getVariable(),
- m_speedScale * m_speedPeak);
- }
- if (tmgr_trace_event_free(event_type))
- p_speedEvent = NULL;
- } else if (event_type == p_stateEvent) {
- /* TODO (Hypervisor): do the same thing for constraint_core[i] */
- xbt_assert(m_core == 1, "FIXME: add state change code also for constraint_core[i]");
+ 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(getState() == SURF_RESOURCE_OFF)
- xbt_dynar_push_as(host_that_restart, char*, (char *)getName());
- setState(SURF_RESOURCE_ON);
+ if(isOff())
+ host_that_restart.push_back(getHost());
+ turnOn();
} else {
- lmm_constraint_t cnst = getConstraint();
+ lmm_constraint_t cnst = constraint();
+ lmm_variable_t var = nullptr;
+ lmm_element_t elem = nullptr;
+ double date = surf_get_clock();
- setState(SURF_RESOURCE_OFF);
+ turnOff();
- while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), cnst, &elem))) {
+ while ((var = lmm_get_var_from_cnst(model()->getMaxminSystem(), cnst, &elem))) {
Action *action = static_cast<Action*>(lmm_variable_id(var));
- if (action->getState() == SURF_ACTION_RUNNING ||
- action->getState() == SURF_ACTION_READY ||
- action->getState() == SURF_ACTION_NOT_IN_THE_SYSTEM) {
+ if (action->getState() == Action::State::running ||
+ action->getState() == Action::State::ready ||
+ action->getState() == Action::State::not_in_the_system) {
action->setFinishTime(date);
- action->setState(SURF_ACTION_FAILED);
+ action->setState(Action::State::failed);
}
}
}
- if (tmgr_trace_event_free(event_type))
- p_stateEvent = NULL;
+ tmgr_trace_event_unref(&stateEvent_);
+
} else {
- XBT_CRITICAL("Unknown event ! \n");
- xbt_abort();
+ xbt_die("Unknown event!\n");
}
-
- return;
}
-CpuAction *CpuCas01::execute(double size)
+CpuAction *CpuCas01::execution_start(double size)
{
-
- XBT_IN("(%s,%g)", getName(), size);
- CpuCas01Action *action = new CpuCas01Action(getModel(), size, getState() != SURF_RESOURCE_ON,
- m_speedScale * m_speedPeak, getConstraint());
-
- XBT_OUT();
- return action;
+ return new CpuCas01Action(model(), size, isOff(), speed_.scale * speed_.peak, constraint());
}
CpuAction *CpuCas01::sleep(double duration)
if (duration > 0)
duration = MAX(duration, sg_surf_precision);
- XBT_IN("(%s,%g)", getName(), duration);
- CpuCas01Action *action = new CpuCas01Action(getModel(), 1.0, getState() != SURF_RESOURCE_ON,
- m_speedScale * m_speedPeak, getConstraint());
-
+ XBT_IN("(%s,%g)", cname(), duration);
+ CpuCas01Action* action = new CpuCas01Action(model(), 1.0, isOff(), speed_.scale * speed_.peak, constraint());
// FIXME: sleep variables should not consume 1.0 in lmm_expand
- action->m_maxDuration = duration;
- action->m_suspended = 2;
- if (duration == NO_MAX_DURATION) {
- /* Move to the *end* of the corresponding action set. This convention
- is used to speed up update_resource_state */
- action->getStateSet()->erase(action->getStateSet()->iterator_to(*action));
- action->p_stateSet = static_cast<CpuCas01Model*>(getModel())->p_cpuRunningActionSetThatDoesNotNeedBeingChecked;
+ action->maxDuration_ = duration;
+ action->suspended_ = 2;
+ 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 */
+ action->getStateSet()->erase(action->getStateSet()->iterator_to(*action));
+ action->stateSet_ = static_cast<CpuCas01Model*>(model())->p_cpuRunningActionSetThatDoesNotNeedBeingChecked;
action->getStateSet()->push_back(*action);
}
- lmm_update_variable_weight(getModel()->getMaxminSystem(),
- action->getVariable(), 0.0);
- if (getModel()->getUpdateMechanism() == UM_LAZY) { // remove action from the heap
- action->heapRemove(getModel()->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
- getModel()->getModifiedSet()->push_front(*action);
+ lmm_update_variable_weight(model()->getMaxminSystem(), 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;
}
-double CpuCas01::getCurrentPowerPeak()
-{
- return m_speedPeak;
-}
-
/**********
* Action *
**********/
CpuCas01Action::CpuCas01Action(Model *model, double cost, bool failed, double speed, lmm_constraint_t constraint)
- : CpuAction(model, cost, failed,
- lmm_variable_new(model->getMaxminSystem(), this,
- 1.0, speed, 1))
+ : CpuAction(model, cost, failed, lmm_variable_new(model->getMaxminSystem(), this, 1.0, speed, 1))
{
if (model->getUpdateMechanism() == UM_LAZY) {
- m_indexHeap = -1;
- m_lastUpdate = surf_get_clock();
- m_lastValue = 0.0;
+ indexHeap_ = -1;
+ lastUpdate_ = surf_get_clock();
+ lastValue_ = 0.0;
}
lmm_expand(model->getMaxminSystem(), constraint, getVariable(), 1.0);
}
+CpuCas01Action::~CpuCas01Action()=default;
+
}
}
