X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/90a471de6cd70b41223dd16a09fafe6ac3e18269..7fb4337fa68b21ac48b0160cc9461c5a87199598:/src/surf/surf_interface.cpp diff --git a/src/surf/surf_interface.cpp b/src/surf/surf_interface.cpp index 8a7caad677..798c991f8b 100644 --- a/src/surf/surf_interface.cpp +++ b/src/surf/surf_interface.cpp @@ -17,6 +17,7 @@ #include "virtual_machine.hpp" #include "src/instr/instr_private.h" // TRACE_is_enabled(). FIXME: remove by subscribing tracing to the surf signals #include "simgrid/s4u/engine.hpp" +#include XBT_LOG_NEW_CATEGORY(surf, "All SURF categories"); XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_kernel, surf, "Logging specific to SURF (kernel)"); @@ -32,7 +33,7 @@ xbt_dynar_t model_list_invoke = nullptr; /* to invoke callbacks */ simgrid::trace_mgr::future_evt_set *future_evt_set = nullptr; xbt_dynar_t surf_path = nullptr; -xbt_dynar_t host_that_restart = xbt_dynar_new(sizeof(char*), nullptr); +std::vector host_that_restart; xbt_dict_t watched_hosts_lib; namespace simgrid { @@ -46,49 +47,61 @@ simgrid::xbt::signal surfExitCallbacks; #include // FIXME: this plugin should not be linked to the core s_surf_model_description_t surf_plugin_description[] = { - {"Energy", "Cpu energy consumption.", sg_energy_plugin_init}, + {"Energy", "Cpu energy consumption.", &sg_energy_plugin_init}, {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */ }; /* Don't forget to update the option description in smx_config when you change this */ s_surf_model_description_t surf_network_model_description[] = { {"LV08", "Realistic network analytic model (slow-start modeled by multiplying latency by 10.4, bandwidth by .92; bottleneck sharing uses a payload of S=8775 for evaluating RTT). ", - surf_network_model_init_LegrandVelho}, + &surf_network_model_init_LegrandVelho}, {"Constant", "Simplistic network model where all communication take a constant time (one second). This model provides the lowest realism, but is (marginally) faster.", - surf_network_model_init_Constant}, + &surf_network_model_init_Constant}, {"SMPI", "Realistic network model specifically tailored for HPC settings (accurate modeling of slow start with correction factors on three intervals: < 1KiB, < 64 KiB, >= 64 KiB)", - surf_network_model_init_SMPI}, + &surf_network_model_init_SMPI}, {"IB", "Realistic network model specifically tailored for HPC settings, with Infiniband contention model", - surf_network_model_init_IB}, + &surf_network_model_init_IB}, {"CM02", "Legacy network analytic model (Very similar to LV08, but without corrective factors. The timings of small messages are thus poorly modeled).", - surf_network_model_init_CM02}, -#if HAVE_NS3 - {"NS3", "Network pseudo-model using the NS3 tcp model instead of an analytic model", surf_network_model_init_NS3}, -#endif + &surf_network_model_init_CM02}, + {"NS3", "Network pseudo-model using the NS3 tcp model instead of an analytic model", &surf_network_model_init_NS3}, {"Reno", "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).", - surf_network_model_init_Reno}, + &surf_network_model_init_Reno}, {"Reno2", "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).", - surf_network_model_init_Reno2}, + &surf_network_model_init_Reno2}, {"Vegas", "Model from Steven H. Low using lagrange_solve instead of lmm_solve (experts only; check the code for more info).", - surf_network_model_init_Vegas}, + &surf_network_model_init_Vegas}, {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */ }; +#if ! HAVE_SMPI +void surf_network_model_init_SMPI() { + xbt_die("Please activate SMPI support in cmake to use the SMPI network model."); +} +void surf_network_model_init_IB() { + xbt_die("Please activate SMPI support in cmake to use the IB network model."); +} +#endif +#if !HAVE_NS3 +void surf_network_model_init_NS3() { + xbt_die("Please activate NS3 support in cmake and install the dependencies to use the NS3 network model."); +} +#endif + s_surf_model_description_t surf_cpu_model_description[] = { - {"Cas01", "Simplistic CPU model (time=size/power).", surf_cpu_model_init_Cas01}, + {"Cas01", "Simplistic CPU model (time=size/power).", &surf_cpu_model_init_Cas01}, {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */ }; s_surf_model_description_t surf_host_model_description[] = { - {"default", "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)", surf_host_model_init_current_default}, - {"compound", "Host model that is automatically chosen if you change the network and CPU models", surf_host_model_init_compound}, - {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks", surf_host_model_init_ptask_L07}, + {"default", "Default host model. Currently, CPU:Cas01 and network:LV08 (with cross traffic enabled)", &surf_host_model_init_current_default}, + {"compound", "Host model that is automatically chosen if you change the network and CPU models", &surf_host_model_init_compound}, + {"ptask_L07", "Host model somehow similar to Cas01+CM02 but allowing parallel tasks", &surf_host_model_init_ptask_L07}, {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */ }; s_surf_model_description_t surf_vm_model_description[] = { - {"default", "Default vm model.", surf_vm_model_init_HL13}, + {"default", "Default vm model.", &surf_vm_model_init_HL13}, {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */ }; @@ -100,7 +113,7 @@ s_surf_model_description_t surf_optimization_mode_description[] = { }; s_surf_model_description_t surf_storage_model_description[] = { - {"default", "Simplistic storage model.", surf_storage_model_init_default}, + {"default", "Simplistic storage model.", &surf_storage_model_init_default}, {nullptr, nullptr, nullptr} /* this array must be nullptr terminated */ }; @@ -276,15 +289,10 @@ void sg_version(int *ver_major,int *ver_minor,int *ver_patch) { void surf_init(int *argc, char **argv) { - if (host_list != nullptr) // Already initialized + if (USER_HOST_LEVEL != -1) // Already initialized return; XBT_DEBUG("Create all Libs"); - host_list = xbt_dict_new_homogeneous([](void*p) { - simgrid::s4u::Host* host = static_cast(p); - simgrid::s4u::Host::onDestruction(*host); - delete host; - }); USER_HOST_LEVEL = simgrid::s4u::Host::extension_create(nullptr); as_router_lib = xbt_lib_new(); @@ -300,7 +308,6 @@ void surf_init(int *argc, char **argv) }); XBT_DEBUG("Add SURF levels"); - simgrid::surf::HostImpl::classInit(); SURF_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,surf_storage_free); xbt_init(argc, argv); @@ -324,12 +331,9 @@ void surf_exit() { TRACE_end(); /* Just in case it was not called by the upper layer (or there is no upper layer) */ - sg_config_finalize(); - - xbt_dynar_free(&host_that_restart); xbt_dynar_free(&surf_path); - xbt_dict_free(&host_list); + sg_host_exit(); xbt_lib_free(&as_router_lib); xbt_lib_free(&storage_lib); sg_link_exit(); @@ -402,22 +406,12 @@ double Model::next_occuring_event(double now) double Model::next_occuring_event_lazy(double now) { - Action *action = nullptr; - double min = -1; - double share; - - XBT_DEBUG - ("Before share resources, the size of modified actions set is %zd", - modifiedSet_->size()); - + XBT_DEBUG("Before share resources, the size of modified actions set is %zd", modifiedSet_->size()); lmm_solve(maxminSystem_); - - XBT_DEBUG - ("After share resources, The size of modified actions set is %zd", - modifiedSet_->size()); + XBT_DEBUG("After share resources, The size of modified actions set is %zd", modifiedSet_->size()); while(!modifiedSet_->empty()) { - action = &(modifiedSet_->front()); + Action *action = &(modifiedSet_->front()); modifiedSet_->pop_front(); int max_dur_flag = 0; @@ -430,8 +424,8 @@ double Model::next_occuring_event_lazy(double now) action->updateRemainingLazy(now); - min = -1; - share = lmm_variable_getvalue(action->getVariable()); + double min = -1; + double share = lmm_variable_getvalue(action->getVariable()); if (share > 0) { double time_to_completion; @@ -467,14 +461,14 @@ double Model::next_occuring_event_lazy(double now) } //hereafter must have already the min value for this resource model - if (xbt_heap_size(actionHeap_) > 0) - min = xbt_heap_maxkey(actionHeap_) - now; - else - min = -1; - - XBT_DEBUG("The minimum with the HEAP %f", min); - - return min; + if (xbt_heap_size(actionHeap_) > 0) { + double min = xbt_heap_maxkey(actionHeap_) - now; + XBT_DEBUG("minimum with the HEAP %f", min); + return min; + } else { + XBT_DEBUG("The HEAP is empty, thus returning -1"); + return -1; + } } double Model::next_occuring_event_full(double /*now*/) { @@ -482,52 +476,25 @@ double Model::next_occuring_event_full(double /*now*/) { return 0.0; } -double Model::shareResourcesMaxMin(ActionList *running_actions, - lmm_system_t sys, - void (*solve) (lmm_system_t)) +double shareResourcesMaxMin(ActionList *runningActions, lmm_system_t sys, void (*solve) (lmm_system_t)) { - Action *action = nullptr; - double min = -1; - double value = -1; - solve(sys); - ActionList::iterator it(running_actions->begin()), itend(running_actions->end()); - for(; it != itend ; ++it) { - action = &*it; - value = lmm_variable_getvalue(action->getVariable()); - if ((value > 0) || (action->getMaxDuration() >= 0)) - break; - } - - if (!action) - return -1.0; - - if (value > 0) { - if (action->getRemains() > 0) - min = action->getRemainsNoUpdate() / value; - else - min = 0.0; - if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min)) - min = action->getMaxDuration(); - } else - min = action->getMaxDuration(); - - - for (++it; it != itend; ++it) { - action = &*it; - value = lmm_variable_getvalue(action->getVariable()); + double min = -1; + for(auto it(runningActions->begin()), itend(runningActions->end()); it != itend ; ++it) { + Action *action = &*it; + double value = lmm_variable_getvalue(action->getVariable()); if (value > 0) { if (action->getRemains() > 0) value = action->getRemainsNoUpdate() / value; else value = 0.0; - if (value < min) { + if (min < 0 || value < min) { min = value; XBT_DEBUG("Updating min (value) with %p: %f", action, min); } } - if ((action->getMaxDuration() >= 0) && (action->getMaxDuration() < min)) { + if ((action->getMaxDuration() >= 0) && (min<0 || action->getMaxDuration() < min)) { min = action->getMaxDuration(); XBT_DEBUG("Updating min (duration) with %p: %f", action, min); } @@ -540,11 +507,11 @@ double Model::shareResourcesMaxMin(ActionList *running_actions, void Model::updateActionsState(double now, double delta) { if (updateMechanism_ == UM_FULL) - updateActionsStateFull(now, delta); + updateActionsStateFull(now, delta); else if (updateMechanism_ == UM_LAZY) - updateActionsStateLazy(now, delta); + updateActionsStateLazy(now, delta); else - xbt_die("Invalid cpu update mechanism!"); + xbt_die("Invalid cpu update mechanism!"); } void Model::updateActionsStateLazy(double /*now*/, double /*delta*/)