X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/5b3677b425b9cc6949c1573d59ac772540cbf4b2..403af5e6247ce6452b721f418a5b41e4548efac4:/src/surf/cpu_cas01.cpp?ds=sidebyside diff --git a/src/surf/cpu_cas01.cpp b/src/surf/cpu_cas01.cpp index ab90f351a6..40d145e9cd 100644 --- a/src/surf/cpu_cas01.cpp +++ b/src/surf/cpu_cas01.cpp @@ -1,4 +1,4 @@ -/* Copyright (c) 2009-2011, 2013-2014. The SimGrid Team. +/* 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 @@ -6,373 +6,231 @@ #include "cpu_cas01.hpp" #include "cpu_ti.hpp" -#include "plugins/energy.hpp" #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"); - -/************* - * CallBacks * - *************/ - -static void parse_cpu_init(sg_platf_host_cbarg_t host){ - ((CpuCas01ModelPtr)surf_cpu_model_pm)->parseInit(host); -} - -static void cpu_add_traces_cpu(){ - surf_cpu_model_pm->addTraces(); -} - -static void cpu_define_callbacks() -{ - sg_platf_host_add_cb(parse_cpu_init); - sg_platf_postparse_add_cb(cpu_add_traces_cpu); -} +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); + xbt_assert(not surf_cpu_model_pm); + xbt_assert(not surf_cpu_model_vm); - if (!strcmp(optim, "TI")) { + if (xbt_cfg_get_string("cpu/optim") == "TI") { surf_cpu_model_init_ti(); return; } - surf_cpu_model_pm = new CpuCas01Model(); - surf_cpu_model_vm = new CpuCas01Model(); + surf_cpu_model_pm = new simgrid::surf::CpuCas01Model(); + all_existing_models->push_back(surf_cpu_model_pm); - cpu_define_callbacks(); - ModelPtr model_pm = static_cast(surf_cpu_model_pm); - ModelPtr model_vm = static_cast(surf_cpu_model_vm); - xbt_dynar_push(model_list, &model_pm); - xbt_dynar_push(model_list, &model_vm); + surf_cpu_model_vm = new simgrid::surf::CpuCas01Model(); + all_existing_models->push_back(surf_cpu_model_vm); } -CpuCas01Model::CpuCas01Model() : CpuModel("cpu") +namespace simgrid { +namespace surf { + +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"); - - if (!strcmp(optim, "Full")) { - p_updateMechanism = UM_FULL; - m_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")), + 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); + xbt_die("Unsupported optimization (%s) for this model", optim.c_str()); } 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; - - if (p_actionHeap) - xbt_heap_free(p_actionHeap); - delete p_modifiedSet; + lmm_system_free(maxminSystem_); + maxminSystem_ = nullptr; + xbt_heap_free(actionHeap_); + delete modifiedSet_; - surf_cpu_model_pm = NULL; + surf_cpu_model_pm = nullptr; delete p_cpuRunningActionSetThatDoesNotNeedBeingChecked; } -void CpuCas01Model::parseInit(sg_platf_host_cbarg_t host) +Cpu *CpuCas01Model::createCpu(simgrid::s4u::Host *host, std::vector *speedPerPstate, int core) { - createResource(host->id, - host->power_peak, - host->pstate, - host->power_scale, - host->power_trace, - host->core_amount, - host->initial_state, - host->state_trace, - host->properties); + return new CpuCas01(this, host, speedPerPstate, core); } -CpuPtr CpuCas01Model::createResource(const char *name, xbt_dynar_t power_peak, - int pstate, double power_scale, - tmgr_trace_t power_trace, int core, - e_surf_resource_state_t state_initial, - tmgr_trace_t state_trace, - xbt_dict_t cpu_properties) +/************ + * Resource * + ************/ +CpuCas01::CpuCas01(CpuCas01Model *model, simgrid::s4u::Host *host, std::vector *speedPerPstate, int core) +: Cpu(model, host, lmm_constraint_new(model->getMaxminSystem(), this, core * speedPerPstate->front()), + speedPerPstate, core) { - CpuPtr cpu = NULL; - xbt_assert(!surf_cpu_resource_priv(surf_cpu_resource_by_name(name)), - "Host '%s' declared several times in the platform file", - name); - xbt_assert(xbt_dynar_getfirst_as(power_peak, double) > 0.0, - "Power has to be >0.0"); - xbt_assert(core > 0, "Invalid number of cores %d", core); - - cpu = new CpuCas01(this, name, power_peak, pstate, power_scale, power_trace, core, state_initial, state_trace, cpu_properties); - xbt_lib_set(host_lib, name, SURF_CPU_LEVEL, static_cast(cpu)); - - return cpu; } -double CpuCas01Model::shareResourcesFull(double /*now*/) +CpuCas01::~CpuCas01() { - return Model::shareResourcesMaxMin(getRunningActionSet(), - p_maxminSystem, lmm_solve); + if (model() == surf_cpu_model_pm) + speedPerPstate_.clear(); } -void CpuCas01Model::addTraces() -{ - 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); - CpuCas01Ptr host = static_cast(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm))); - - xbt_assert(host, "Host %s undefined", elm); - xbt_assert(trace, "Trace %s undefined", trace_name); +std::vector * CpuCas01::getSpeedPeakList(){ + return &speedPerPstate_; +} - host->p_stateEvent = tmgr_history_add_trace(history, trace, 0.0, 0, static_cast(host)); - } +bool CpuCas01::isUsed() +{ + return lmm_constraint_used(model()->getMaxminSystem(), constraint()); +} - 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); - CpuCas01Ptr host = static_cast(surf_cpu_resource_priv(surf_cpu_resource_by_name(elm))); +/** @brief take into account changes of speed (either load or max) */ +void CpuCas01::onSpeedChange() { + lmm_variable_t var = nullptr; + lmm_element_t elem = nullptr; - xbt_assert(host, "Host %s undefined", elm); - xbt_assert(trace, "Trace %s undefined", trace_name); + 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(lmm_variable_id(var)); - host->p_powerEvent = - tmgr_history_add_trace(history, trace, 0.0, 0, static_cast(host)); + lmm_update_variable_bound(model()->getMaxminSystem(), action->getVariable(), + action->requestedCore() * speed_.scale * speed_.peak); } -} -/************ - * Resource * - ************/ -CpuCas01::CpuCas01(CpuCas01ModelPtr model, const char *name, xbt_dynar_t powerPeak, - int pstate, double powerScale, tmgr_trace_t powerTrace, int core, - e_surf_resource_state_t stateInitial, tmgr_trace_t stateTrace, - xbt_dict_t properties) -: Cpu(model, name, properties, - lmm_constraint_new(model->getMaxminSystem(), this, core * powerScale * xbt_dynar_get_as(powerPeak, pstate, double)), - core, xbt_dynar_get_as(powerPeak, pstate, double), powerScale) { - p_powerEvent = NULL; - p_powerPeakList = powerPeak; - m_pstate = pstate; - - XBT_DEBUG("CPU create: peak=%f, pstate=%d", m_powerPeak, m_pstate); - - m_core = core; - setState(stateInitial); - if (powerTrace) - p_powerEvent = tmgr_history_add_trace(history, powerTrace, 0.0, 0, static_cast(this)); - - if (stateTrace) - p_stateEvent = tmgr_history_add_trace(history, stateTrace, 0.0, 0, static_cast(this)); + Cpu::onSpeedChange(); } -CpuCas01::~CpuCas01(){ - if (getModel() == surf_cpu_model_pm) - xbt_dynar_free(&p_powerPeakList); -} - -bool CpuCas01::isUsed() +void CpuCas01::apply_event(tmgr_trace_event_t event, double value) { - return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint()); -} + 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]"); -void CpuCas01::updateState(tmgr_trace_event_t event_type, double value, double date) -{ - lmm_variable_t var = NULL; - lmm_element_t elem = NULL; - - if (event_type == p_powerEvent) { - /* TODO (Hypervisor): do the same thing for constraint_core[i] */ - xbt_assert(m_core == 1, "FIXME: add power scaling code also for constraint_core[i]"); - - m_powerScale = value; - lmm_update_constraint_bound(getModel()->getMaxminSystem(), getConstraint(), - m_core * m_powerScale * - m_powerPeak); -#ifdef HAVE_TRACING - TRACE_surf_host_set_power(date, getName(), - m_core * m_powerScale * - m_powerPeak); -#endif - while ((var = lmm_get_var_from_cnst - (getModel()->getMaxminSystem(), getConstraint(), &elem))) { - CpuCas01ActionPtr action = static_cast(static_cast(lmm_variable_id(var))); - - lmm_update_variable_bound(getModel()->getMaxminSystem(), - action->getVariable(), - m_powerScale * m_powerPeak); - } - if (tmgr_trace_event_free(event_type)) - p_powerEvent = 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]"); + 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))) { - ActionPtr action = static_cast(lmm_variable_id(var)); + while ((var = lmm_get_var_from_cnst(model()->getMaxminSystem(), cnst, &elem))) { + Action *action = static_cast(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; } -CpuActionPtr CpuCas01::execute(double size) +/** @brief Start a new execution on this CPU lasting @param size flops and using one core */ +CpuAction *CpuCas01::execution_start(double size) { - - XBT_IN("(%s,%g)", getName(), size); - CpuCas01ActionPtr action = new CpuCas01Action(getModel(), size, getState() != SURF_RESOURCE_ON, - m_powerScale * m_powerPeak, getConstraint()); - - XBT_OUT(); - return action; + 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); } -CpuActionPtr CpuCas01::sleep(double duration) +CpuAction *CpuCas01::sleep(double duration) { if (duration > 0) - duration = MAX(duration, MAXMIN_PRECISION); - - XBT_IN("(%s,%g)", getName(), duration); - CpuCas01ActionPtr action = new CpuCas01Action(getModel(), 1.0, getState() != SURF_RESOURCE_ON, - m_powerScale * m_powerPeak, getConstraint()); + duration = 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 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(getModel())->p_cpuRunningActionSetThatDoesNotNeedBeingChecked; + action->setMaxDuration(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(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() +/********** + * Action * + **********/ +CpuCas01Action::CpuCas01Action(Model* model, double cost, bool failed, double speed, lmm_constraint_t constraint, + int requestedCore) + : CpuAction(model, cost, failed, + lmm_variable_new(model->getMaxminSystem(), this, 1.0 / requestedCore, requestedCore * speed, 1)) + , requestedCore_(requestedCore) { - return m_powerPeak; + if (model->getUpdateMechanism() == UM_LAZY) { + updateIndexHeap(-1); + refreshLastUpdate(); + setLastValue(0.0); + } + lmm_expand(model->getMaxminSystem(), constraint, getVariable(), 1.0); } -double CpuCas01::getPowerPeakAt(int pstate_index) +CpuCas01Action::CpuCas01Action(Model* model, double cost, bool failed, double speed, lmm_constraint_t constraint) + : CpuCas01Action(model, cost, failed, speed, constraint, 1) { - xbt_dynar_t plist = p_powerPeakList; - xbt_assert((pstate_index <= (int)xbt_dynar_length(plist)), "Invalid parameters (pstate index out of bounds)"); - - return xbt_dynar_get_as(plist, pstate_index, double); } -int CpuCas01::getNbPstates() +int CpuCas01Action::requestedCore() { - return xbt_dynar_length(p_powerPeakList); + return requestedCore_; } -void CpuCas01::setPowerPeakAt(int pstate_index) -{ - xbt_dynar_t plist = p_powerPeakList; - xbt_assert((pstate_index <= (int)xbt_dynar_length(plist)), "Invalid parameters (pstate index out of bounds)"); +CpuCas01Action::~CpuCas01Action()=default; - double new_power_peak = xbt_dynar_get_as(plist, pstate_index, double); - m_pstate = pstate_index; - m_powerPeak = new_power_peak; } - -/********** - * Action * - **********/ - -CpuCas01Action::CpuCas01Action(ModelPtr model, double cost, bool failed, double power, lmm_constraint_t constraint) - : CpuAction(model, cost, failed, - lmm_variable_new(model->getMaxminSystem(), static_cast(this), - 1.0, power, 1)) -{ - m_suspended = 0; /* Should be useless because of the - calloc but it seems to help valgrind... */ - - if (model->getUpdateMechanism() == UM_LAZY) { - m_indexHeap = -1; - m_lastUpdate = surf_get_clock(); - m_lastValue = 0.0; - } - lmm_expand(model->getMaxminSystem(), constraint, getVariable(), 1.0); }