X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d57457e88961fcb4f30d180795e0a4862a35bb0e..c6e38be67a91e39324842cbf3988edd6133b8e73:/src/simdag/sd_global.cpp diff --git a/src/simdag/sd_global.cpp b/src/simdag/sd_global.cpp index 7579f31961..01ce55778d 100644 --- a/src/simdag/sd_global.cpp +++ b/src/simdag/sd_global.cpp @@ -4,22 +4,27 @@ /* 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 "instr/instr_interface.h" #include "simgrid/sg_config.h" #include "simgrid/host.h" #include "src/simdag/simdag_private.h" #include "src/surf/surf_interface.hpp" #include "simgrid/s4u/engine.hpp" -#if HAVE_JEDULE -#include "simgrid/jedule/jedule_sd_binding.h" -#endif - XBT_LOG_NEW_CATEGORY(sd, "Logging specific to SimDag"); XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_kernel, sd, "Logging specific to SimDag (kernel)"); SD_global_t sd_global = nullptr; +/** + * \brief helper for pretty printing of task state + * \param state the state of a task + * \return the equivalent as a readable string + */ +const char *__get_state_name(e_SD_task_state_t state){ + std::string state_names[7] = { "not scheduled", "schedulable", "scheduled", "runnable","running", "done", "failed" }; + return state_names[(int)log2(state)].data(); +} + /** * \brief Initializes SD internal data * @@ -34,10 +39,7 @@ void SD_init(int *argc, char **argv) xbt_assert(sd_global == nullptr, "SD_init() already called"); sd_global = xbt_new(s_SD_global_t, 1); - sd_global->watch_point_reached = 0; - - sd_global->task_mallocator=xbt_mallocator_new(65536, SD_task_new_f, SD_task_free_f, SD_task_recycle_f); - + sd_global->watch_point_reached = false; sd_global->initial_tasks = new std::set(); sd_global->runnable_tasks = new std::set(); sd_global->completed_tasks = new std::set(); @@ -114,29 +116,19 @@ void SD_create_environment(const char *platform_file) */ xbt_dynar_t SD_simulate(double how_long) { - /* we stop the simulation when total_time >= how_long */ - SD_task_t task; - SD_task_t dst; - surf_action_t action; - unsigned int iter; - XBT_VERB("Run simulation for %f seconds", how_long); - sd_global->watch_point_reached = false; + sd_global->watch_point_reached = false; xbt_dynar_reset(sd_global->return_set); /* explore the runnable tasks */ - while(!sd_global->runnable_tasks->empty()){ - task = *(sd_global->runnable_tasks->begin()); - XBT_VERB("Executing task '%s'", SD_task_get_name(task)); - SD_task_run(task); - } + while(!sd_global->runnable_tasks->empty()) + SD_task_run(*(sd_global->runnable_tasks->begin())); - /* main loop */ double elapsed_time = 0.0; double total_time = 0.0; - while (elapsed_time >= 0.0 && (how_long < 0.0 || 0.00001 < (how_long -total_time)) && - !sd_global->watch_point_reached) { + /* main loop */ + while (elapsed_time >= 0 && (how_long < 0 || 0.00001 < (how_long -total_time)) && !sd_global->watch_point_reached) { surf_model_t model = nullptr; XBT_DEBUG("Total time: %f", total_time); @@ -147,82 +139,77 @@ xbt_dynar_t SD_simulate(double how_long) { total_time += elapsed_time; /* let's see which tasks are done */ + unsigned int iter; xbt_dynar_foreach(all_existing_models, iter, model) { - while ((action = surf_model_extract_done_action_set(model))) { - task = static_cast(action->getData()); + surf_action_t action = surf_model_extract_done_action_set(model); + while (action != nullptr) { + SD_task_t task = static_cast(action->getData()); XBT_VERB("Task '%s' done", SD_task_get_name(task)); SD_task_set_state(task, SD_DONE); /* the state has changed. Add it only if it's the first change */ - if (xbt_dynar_member(sd_global->return_set, &task) == 0) { + if (xbt_dynar_member(sd_global->return_set, &task) == 0) xbt_dynar_push(sd_global->return_set, &task); - } /* remove the dependencies after this task */ - for (std::set::iterator succ = task->successors->begin(); succ != task->successors->end(); ++succ){ - (*succ)->predecessors->erase(task); - (*succ)->inputs->erase(task); - XBT_DEBUG("Release dependency on %s: %zu remain(s). Becomes schedulable if %zu=0", SD_task_get_name((*succ)), - (*succ)->predecessors->size()+(*succ)->inputs->size(), (*succ)->predecessors->size()); + for (auto succ : *task->successors) { + succ->predecessors->erase(task); + succ->inputs->erase(task); + XBT_DEBUG("Release dependency on %s: %zu remain(s). Becomes schedulable if %zu=0", SD_task_get_name(succ), + succ->predecessors->size()+succ->inputs->size(), succ->predecessors->size()); - if (SD_task_get_state((*succ)) == SD_NOT_SCHEDULED && (*succ)->predecessors->empty()) - SD_task_set_state((*succ), SD_SCHEDULABLE); + if (SD_task_get_state(succ) == SD_NOT_SCHEDULED && succ->predecessors->empty()) + SD_task_set_state(succ, SD_SCHEDULABLE); - if (SD_task_get_state((*succ)) == SD_SCHEDULED && (*succ)->predecessors->empty() && (*succ)->inputs->empty()) - SD_task_set_state((*succ), SD_RUNNABLE); + if (SD_task_get_state(succ) == SD_SCHEDULED && succ->predecessors->empty() && succ->inputs->empty()) + SD_task_set_state(succ, SD_RUNNABLE); - if (SD_task_get_state((*succ)) == SD_RUNNABLE && !sd_global->watch_point_reached) { - XBT_VERB("Executing task '%s'", SD_task_get_name((*succ))); - SD_task_run((*succ)); - } + if (SD_task_get_state(succ) == SD_RUNNABLE && !sd_global->watch_point_reached) + SD_task_run(succ); } task->successors->clear(); - for (std::set::iterator it=task->outputs->begin(); it!=task->outputs->end(); ++it){ - dst=*it; - dst->start_time = task->finish_time; - dst->predecessors->erase(task); - if (SD_task_get_state(dst) == SD_SCHEDULED) - SD_task_set_state(dst, SD_RUNNABLE); + for (auto output : *task->outputs) { + output->start_time = task->finish_time; + output->predecessors->erase(task); + if (SD_task_get_state(output) == SD_SCHEDULED) + SD_task_set_state(output, SD_RUNNABLE); else - SD_task_set_state(dst, SD_SCHEDULABLE); + SD_task_set_state(output, SD_SCHEDULABLE); - SD_task_t comm_dst = *(dst->successors->begin()); + SD_task_t comm_dst = *(output->successors->begin()); if (SD_task_get_state(comm_dst) == SD_NOT_SCHEDULED && comm_dst->predecessors->empty()){ XBT_DEBUG("%s is a transfer, %s may be ready now if %zu=0", - SD_task_get_name(dst), SD_task_get_name(comm_dst), comm_dst->predecessors->size()); + SD_task_get_name(output), SD_task_get_name(comm_dst), comm_dst->predecessors->size()); SD_task_set_state(comm_dst, SD_SCHEDULABLE); } - if (SD_task_get_state(dst) == SD_RUNNABLE && !sd_global->watch_point_reached) { - XBT_VERB("Executing task '%s'", SD_task_get_name(dst)); - SD_task_run(dst); - } + if (SD_task_get_state(output) == SD_RUNNABLE && !sd_global->watch_point_reached) + SD_task_run(output); } task->outputs->clear(); + action = surf_model_extract_done_action_set(model); } /* let's see which tasks have just failed */ - while ((action = surf_model_extract_failed_action_set(model))) { - task = static_cast(action->getData()); + action = surf_model_extract_failed_action_set(model); + while (action != nullptr) { + SD_task_t task = static_cast(action->getData()); XBT_VERB("Task '%s' failed", SD_task_get_name(task)); SD_task_set_state(task, SD_FAILED); xbt_dynar_push(sd_global->return_set, &task); + action = surf_model_extract_failed_action_set(model); } } } if (!sd_global->watch_point_reached && how_long < 0 && !sd_global->initial_tasks->empty()) { XBT_WARN("Simulation is finished but %zu tasks are still not done", sd_global->initial_tasks->size()); - static const char* state_names[] = - { "SD_NOT_SCHEDULED", "SD_SCHEDULABLE", "SD_SCHEDULED", "SD_RUNNABLE", "SD_RUNNING", "SD_DONE","SD_FAILED" }; - for (std::set::iterator t = sd_global->initial_tasks->begin(); t != sd_global->initial_tasks->end(); - ++t){ - XBT_WARN("%s is in %s state", SD_task_get_name(*t), state_names[SD_task_get_state(*t)]); - } + for (auto t : *sd_global->initial_tasks) + XBT_WARN("%s is in %s state", SD_task_get_name(t), __get_state_name(SD_task_get_state(t))); } XBT_DEBUG("elapsed_time = %f, total_time = %f, watch_point_reached = %d", - elapsed_time, total_time, sd_global->watch_point_reached); + elapsed_time, total_time, sd_global->watch_point_reached); XBT_DEBUG("current time = %f", surf_get_clock()); return sd_global->return_set; @@ -235,21 +222,15 @@ double SD_get_clock() { /** * \brief Destroys all SD internal data - * * This function should be called when the simulation is over. Don't forget to destroy too. - * * \see SD_init(), SD_task_destroy() */ void SD_exit() { - TRACE_surf_resource_utilization_release(); - #if HAVE_JEDULE jedule_sd_cleanup(); jedule_sd_exit(); #endif - - xbt_mallocator_free(sd_global->task_mallocator); delete sd_global->initial_tasks; delete sd_global->runnable_tasks; delete sd_global->completed_tasks;