X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9f3bf03bc16c127eac07b0a576636e1116599342..aae4c948093a006ed58369048fc0b8dcbdd21630:/src/surf/cpu_cas01.cpp diff --git a/src/surf/cpu_cas01.cpp b/src/surf/cpu_cas01.cpp index bacf7159d5..4f105a58ee 100644 --- a/src/surf/cpu_cas01.cpp +++ b/src/surf/cpu_cas01.cpp @@ -5,12 +5,33 @@ #include "cpu_cas01.hpp" #include "cpu_ti.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" + #include -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 module"); + +/*********** + * Options * + ***********/ + +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 * @@ -20,41 +41,38 @@ 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") { + if (cpu_optim_opt == "TI") { surf_cpu_model_init_ti(); return; } - surf_cpu_model_pm = new simgrid::surf::CpuCas01Model(); + simgrid::kernel::resource::Model::UpdateAlgo algo; + if (cpu_optim_opt == "Lazy") + algo = simgrid::kernel::resource::Model::UpdateAlgo::Lazy; + else + algo = simgrid::kernel::resource::Model::UpdateAlgo::Full; + + surf_cpu_model_pm = new simgrid::surf::CpuCas01Model(algo); 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(algo); all_existing_models->push_back(surf_cpu_model_vm); } namespace simgrid { namespace surf { -CpuCas01Model::CpuCas01Model() : simgrid::surf::CpuModel() +CpuCas01Model::CpuCas01Model(kernel::resource::Model::UpdateAlgo algo) : simgrid::surf::CpuModel(algo) { - 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); - } else if (optim == "Lazy") { + if (algo == Model::UpdateAlgo::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"); select = true; - setUpdateMechanism(UM_LAZY); - } else { - xbt_die("Unsupported optimization (%s) for this model", optim.c_str()); } - maxmin_system_ = new simgrid::kernel::lmm::System(select); - - if (getUpdateMechanism() == UM_LAZY) - maxmin_system_->modified_set_ = new kernel::resource::Action::ModifiedSet(); + set_maxmin_system(new simgrid::kernel::lmm::System(select)); } CpuCas01Model::~CpuCas01Model() @@ -86,7 +104,7 @@ std::vector * CpuCas01::getSpeedPeakList(){ return &speedPerPstate_; } -bool CpuCas01::isUsed() +bool CpuCas01::is_used() { return model()->get_maxmin_system()->constraint_used(constraint()); } @@ -181,7 +199,7 @@ CpuAction *CpuCas01::sleep(double duration) } model()->get_maxmin_system()->update_variable_weight(action->get_variable(), 0.0); - if (model()->getUpdateMechanism() == UM_LAZY) { // remove action from the heap + 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 @@ -201,7 +219,7 @@ CpuCas01Action::CpuCas01Action(kernel::resource::Model* model, double cost, bool model->get_maxmin_system()->variable_new(this, 1.0 / requestedCore, requestedCore * speed, 1)) , requestedCore_(requestedCore) { - if (model->getUpdateMechanism() == UM_LAZY) { + if (model->getUpdateMechanism() == kernel::resource::Model::UpdateAlgo::Lazy) { set_last_update(); set_last_value(0.0); }