X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/91514c39f291c0f0667d3b5781573d1e373ce0b6..33fcc3e868b31e8da6d0bbef7fa4a207a5a802dc:/src/surf/cpu_cas01.cpp diff --git a/src/surf/cpu_cas01.cpp b/src/surf/cpu_cas01.cpp index d581269985..019d540dc9 100644 --- a/src/surf/cpu_cas01.cpp +++ b/src/surf/cpu_cas01.cpp @@ -1,80 +1,79 @@ -/* Copyright (c) 2009-2011, 2013-2016. The SimGrid Team. - * All rights reserved. */ +/* Copyright (c) 2009-2018. 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 "cpu_cas01.hpp" #include "cpu_ti.hpp" -#include "maxmin_private.hpp" -#include "simgrid/sg_config.h" +#include "simgrid/sg_config.hpp" +#include "src/kernel/lmm/maxmin.hpp" +#include "xbt/config.hpp" +#include "xbt/utility.hpp" -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_cas, surf_cpu, "Logging specific to the SURF CPU IMPROVED module"); +#include + +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_cpu_cas, surf_cpu, "Logging specific to the SURF CPU module"); + +static simgrid::config::Flag + cpu_optim_opt("cpu/optim", "Optimization algorithm to use for CPU resources. ", "Lazy", + + std::map({ + {"Lazy", "Lazy action management (partial invalidation in lmm + heap in action remaining)."}, + {"TI", "Trace integration. Highly optimized mode when using availability traces (only available " + "for the Cas01 CPU model for now)."}, + {"Full", "Full update of remaining and variables. Slow but may be useful when debugging."}, + }), + + [](std::string const& val) { + xbt_assert(_sg_cfg_init_status < 2, + "Cannot change the optimization algorithm after the initialization"); + }); /********* * Model * *********/ void surf_cpu_model_init_Cas01() { - 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); - char *optim = xbt_cfg_get_string("cpu/optim"); - if (!strcmp(optim, "TI")) { + if (cpu_optim_opt == "TI") { surf_cpu_model_init_ti(); return; } - surf_cpu_model_pm = new simgrid::surf::CpuCas01Model(); + surf_cpu_model_pm = new simgrid::surf::CpuCas01Model(cpu_optim_opt == "Lazy"); all_existing_models->push_back(surf_cpu_model_pm); - surf_cpu_model_vm = new simgrid::surf::CpuCas01Model(); + surf_cpu_model_vm = new simgrid::surf::CpuCas01Model(cpu_optim_opt == "Lazy"); all_existing_models->push_back(surf_cpu_model_vm); } namespace simgrid { namespace surf { -CpuCas01Model::CpuCas01Model() : simgrid::surf::CpuModel() +CpuCas01Model::CpuCas01Model(bool optim_lazy) : simgrid::surf::CpuModel() { - char *optim = xbt_cfg_get_string("cpu/optim"); - int select = xbt_cfg_get_boolean("cpu/maxmin-selective-update"); - - if (!strcmp(optim, "Full")) { - updateMechanism_ = UM_FULL; - selectiveUpdate_ = select; - } else if (!strcmp(optim, "Lazy")) { - updateMechanism_ = UM_LAZY; - selectiveUpdate_ = 1; - xbt_assert((select == 1) - || (xbt_cfg_is_default_value("cpu/maxmin-selective-update")), - "Disabling selective update while using the lazy update mechanism is dumb!"); + bool select = xbt_cfg_get_boolean("cpu/maxmin-selective-update"); + + if (optim_lazy) { + xbt_assert(select || xbt_cfg_is_default_value("cpu/maxmin-selective-update"), + "You cannot disable cpu selective update when using the lazy update mechanism"); + setUpdateMechanism(Model::UpdateAlgo::Lazy); + select = true; } else { - xbt_die("Unsupported optimization (%s) for this model", optim); + setUpdateMechanism(Model::UpdateAlgo::Full); } - p_cpuRunningActionSetThatDoesNotNeedBeingChecked = new ActionList(); - - maxminSystem_ = lmm_system_new(selectiveUpdate_); + set_maxmin_system(new simgrid::kernel::lmm::System(select)); - if (getUpdateMechanism() == UM_LAZY) { - 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_; - } + if (optim_lazy) + get_maxmin_system()->modified_set_ = new kernel::resource::Action::ModifiedSet(); } CpuCas01Model::~CpuCas01Model() { - lmm_system_free(maxminSystem_); - maxminSystem_ = nullptr; - xbt_heap_free(actionHeap_); - delete modifiedSet_; - surf_cpu_model_pm = nullptr; - - delete p_cpuRunningActionSetThatDoesNotNeedBeingChecked; } Cpu *CpuCas01Model::createCpu(simgrid::s4u::Host *host, std::vector *speedPerPstate, int core) @@ -82,23 +81,18 @@ Cpu *CpuCas01Model::createCpu(simgrid::s4u::Host *host, std::vector *spe return new CpuCas01(this, host, speedPerPstate, core); } -double CpuCas01Model::next_occuring_event_full(double /*now*/) -{ - return Model::shareResourcesMaxMin(getRunningActionSet(), maxminSystem_, lmm_solve); -} - /************ * 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) +CpuCas01::CpuCas01(CpuCas01Model* model, simgrid::s4u::Host* host, std::vector* speedPerPstate, int core) + : Cpu(model, host, model->get_maxmin_system()->constraint_new(this, core * speedPerPstate->front()), speedPerPstate, + core) { } CpuCas01::~CpuCas01() { - if (getModel() == surf_cpu_model_pm) + if (model() == surf_cpu_model_pm) speedPerPstate_.clear(); } @@ -108,26 +102,26 @@ std::vector * CpuCas01::getSpeedPeakList(){ bool CpuCas01::isUsed() { - return lmm_constraint_used(getModel()->getMaxminSystem(), getConstraint()); + return model()->get_maxmin_system()->constraint_used(constraint()); } /** @brief take into account changes of speed (either load or max) */ void CpuCas01::onSpeedChange() { - lmm_variable_t var = nullptr; - lmm_element_t elem = nullptr; + kernel::lmm::Variable* var = nullptr; + const_lmm_element_t elem = nullptr; - lmm_update_constraint_bound(getModel()->getMaxminSystem(), getConstraint(), - coresAmount_ * speed_.scale * speed_.peak); - while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), getConstraint(), &elem))) { - CpuCas01Action *action = static_cast(lmm_variable_id(var)); + model()->get_maxmin_system()->update_constraint_bound(constraint(), coresAmount_ * speed_.scale * speed_.peak); + while ((var = constraint()->get_variable(&elem))) { + CpuCas01Action* action = static_cast(var->get_id()); - lmm_update_variable_bound(getModel()->getMaxminSystem(), action->getVariable(), speed_.scale * speed_.peak); - } + model()->get_maxmin_system()->update_variable_bound(action->get_variable(), + action->requestedCore() * speed_.scale * speed_.peak); + } Cpu::onSpeedChange(); } -void CpuCas01::apply_event(tmgr_trace_iterator_t event, double value) +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] */ @@ -143,24 +137,24 @@ void CpuCas01::apply_event(tmgr_trace_iterator_t event, double value) if (value > 0) { if(isOff()) - xbt_dynar_push_as(host_that_restart, char*, (char *)getName()); + host_that_restart.push_back(getHost()); turnOn(); } else { - lmm_constraint_t cnst = getConstraint(); - lmm_variable_t var = nullptr; - lmm_element_t elem = nullptr; - double date = surf_get_clock(); + kernel::lmm::Constraint* cnst = constraint(); + kernel::lmm::Variable* var = nullptr; + const_lmm_element_t elem = nullptr; + double date = surf_get_clock(); turnOff(); - while ((var = lmm_get_var_from_cnst(getModel()->getMaxminSystem(), cnst, &elem))) { - Action *action = static_cast(lmm_variable_id(var)); + while ((var = cnst->get_variable(&elem))) { + kernel::resource::Action* action = static_cast(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); + if (action->get_state() == kernel::resource::Action::State::running || + action->get_state() == kernel::resource::Action::State::ready || + action->get_state() == kernel::resource::Action::State::not_in_the_system) { + action->set_finish_time(date); + action->set_state(kernel::resource::Action::State::failed); } } } @@ -171,39 +165,41 @@ void CpuCas01::apply_event(tmgr_trace_iterator_t event, double value) } } -CpuAction *CpuCas01::execution_start(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); - CpuCas01Action *action = new CpuCas01Action(getModel(), size, isOff(), speed_.scale * speed_.peak, getConstraint()); + return new CpuCas01Action(model(), size, isOff(), speed_.scale * speed_.peak, constraint()); +} - XBT_OUT(); - return action; +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 = MAX(duration, sg_surf_precision); + duration = std::max(duration, sg_surf_precision); - XBT_IN("(%s,%g)", getName(), duration); - CpuCas01Action *action = new CpuCas01Action(getModel(), 1.0, isOff(), speed_.scale * speed_.peak, getConstraint()); + 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->maxDuration_ = duration; - action->suspended_ = 2; - if (duration == NO_MAX_DURATION) { + // FIXME: sleep variables should not consume 1.0 in System::expand() + action->set_max_duration(duration); + action->suspended_ = kernel::resource::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 */ - action->getStateSet()->erase(action->getStateSet()->iterator_to(*action)); - action->stateSet_ = static_cast(getModel())->p_cpuRunningActionSetThatDoesNotNeedBeingChecked; - action->getStateSet()->push_back(*action); + simgrid::xbt::intrusive_erase(*action->get_state_set(), *action); + action->state_set_ = &static_cast(model())->cpuRunningActionSetThatDoesNotNeedBeingChecked_; + action->get_state_set()->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()); + model()->get_maxmin_system()->update_variable_weight(action->get_variable(), 0.0); + if (model()->getUpdateMechanism() == kernel::resource::Model::UpdateAlgo::Lazy) { // remove action from the heap + action->heapRemove(); // 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); + model()->get_modified_set()->push_front(*action); } XBT_OUT(); @@ -213,16 +209,28 @@ CpuAction *CpuCas01::sleep(double duration) /********** * 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)) +CpuCas01Action::CpuCas01Action(kernel::resource::Model* model, double cost, bool failed, double speed, + kernel::lmm::Constraint* constraint, int requestedCore) + : CpuAction(model, cost, failed, + model->get_maxmin_system()->variable_new(this, 1.0 / requestedCore, requestedCore * speed, 1)) + , requestedCore_(requestedCore) { - if (model->getUpdateMechanism() == UM_LAZY) { - indexHeap_ = -1; - lastUpdate_ = surf_get_clock(); - lastValue_ = 0.0; + if (model->getUpdateMechanism() == kernel::resource::Model::UpdateAlgo::Lazy) { + set_last_update(); + set_last_value(0.0); } - lmm_expand(model->getMaxminSystem(), constraint, getVariable(), 1.0); + model->get_maxmin_system()->expand(constraint, get_variable(), 1.0); +} + +CpuCas01Action::CpuCas01Action(kernel::resource::Model* model, double cost, bool failed, double speed, + kernel::lmm::Constraint* constraint) + : CpuCas01Action(model, cost, failed, speed, constraint, 1) +{ +} + +int CpuCas01Action::requestedCore() +{ + return requestedCore_; } CpuCas01Action::~CpuCas01Action()=default;