X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/acae87a17fa72c16ce794b55ace1459f24fe17b2..4636dcbf566244aa2c2bff539d0410dae1071c81:/src/simdag/sd_global.cpp diff --git a/src/simdag/sd_global.cpp b/src/simdag/sd_global.cpp index bd067f6d65..93d7cb6a66 100644 --- a/src/simdag/sd_global.cpp +++ b/src/simdag/sd_global.cpp @@ -4,40 +4,26 @@ /* 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 "src/surf/surf_interface.hpp" -#include "src/simdag/simdag_private.h" #include "instr/instr_interface.h" -#include "xbt/sysdep.h" -#include "xbt/dynar.h" -#include "surf/surf.h" #include "simgrid/sg_config.h" #include "simgrid/host.h" -#include "xbt/ex.h" -#include "xbt/log.h" -#include "xbt/str.h" -#include "xbt/config.h" -#include "surf/surfxml_parse.h" -#ifdef HAVE_LUA -#include -#include -#include -#endif +#include "src/simdag/simdag_private.h" +#include "src/surf/surf_interface.hpp" +#include "simgrid/s4u/engine.hpp" -#ifdef HAVE_JEDULE -#include "instr/jedule/jedule_sd_binding.h" +#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)"); +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(sd_kernel, sd, "Logging specific to SimDag (kernel)"); -SD_global_t sd_global = NULL; +SD_global_t sd_global = nullptr; /** * \brief Initializes SD internal data * - * This function must be called before any other SD function. Then you - * should call SD_create_environment(). + * This function must be called before any other SD function. Then you should call SD_create_environment(). * * \param argc argument number * \param argv argument list @@ -47,37 +33,26 @@ void SD_init(int *argc, char **argv) { TRACE_global_init(argc, argv); - xbt_assert(sd_global == NULL, "SD_init() already called"); + xbt_assert(sd_global == nullptr, "SD_init() already called"); sd_global = xbt_new(s_SD_global_t, 1); - sd_global->workstation_list = NULL; - sd_global->link_list = NULL; - sd_global->recyclable_route = NULL; 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->initial_task_set = xbt_dynar_new(sizeof(SD_task_t), NULL); - sd_global->executable_task_set = xbt_dynar_new(sizeof(SD_task_t), NULL); - sd_global->completed_task_set = xbt_dynar_new(sizeof(SD_task_t), NULL); - sd_global->return_set = xbt_dynar_new(sizeof(SD_task_t), NULL); + sd_global->task_mallocator=xbt_mallocator_new(65536, SD_task_new_f, SD_task_free_f, SD_task_recycle_f); - sd_global->task_number = 0; + sd_global->initial_tasks = new std::set(); + sd_global->executable_tasks = new std::set(); + sd_global->completed_tasks = new std::set(); + sd_global->return_set = xbt_dynar_new(sizeof(SD_task_t), nullptr); surf_init(argc, argv); - xbt_cfg_setdefault_string(_sg_cfg_set, "host/model", - "ptask_L07"); + xbt_cfg_setdefault_string("host/model", "ptask_L07"); -#ifdef HAVE_JEDULE +#if HAVE_JEDULE jedule_sd_init(); #endif - XBT_DEBUG("ADD SD LEVELS"); - SD_STORAGE_LEVEL = xbt_lib_add_level(storage_lib,__SD_storage_destroy); - if (_sg_cfg_exit_asap) { SD_exit(); exit(0); @@ -86,74 +61,24 @@ void SD_init(int *argc, char **argv) /** \brief set a configuration variable * - * Do --help on any simgrid binary to see the list of currently existing - * configuration variables, and see Section @ref options. + * Do --help on any simgrid binary to see the list of currently existing configuration variables, and + * see Section @ref options. * - * Example: - * SD_config("host/model","default"); + * Example: SD_config("host/model","default"); */ void SD_config(const char *key, const char *value){ xbt_assert(sd_global,"ERROR: Please call SD_init() before using SD_config()"); - xbt_cfg_set_as_string(_sg_cfg_set, key, value); -} - - -/** - * \brief Reinits the application part of the simulation (experimental feature) - * - * This function allows you to run several simulations on the same platform - * by resetting the part describing the application. - * - * @warning: this function is still experimental and not perfect. For example, - * the simulation clock (and traces usage) is not reset. So, do not use it if - * you use traces in your simulation, and do not use absolute timing after - * using it. - * That being said, this function is still precious if you want to compare a - * bunch of heuristics on the same platforms. - */ -void SD_application_reinit(void) -{ - -// s_SD_task_t task; - -// SD_task_t done_task, next_done_task; - xbt_die("This function is not working since the C++ links and others. Please report the problem if you really need that function."); - - XBT_DEBUG("Recreating the swags..."); - -// xbt_swag_foreach_safe(done_task, next_done_task, sd_global->done_task_set){ -// if (xbt_dynar_is_empty(done_task->tasks_before)){ -// __SD_task_set_state(done_task, SD_SCHEDULABLE); -// } else{ -// __SD_task_set_state(done_task, SD_NOT_SCHEDULED); -// done_task->unsatisfied_dependencies = -// xbt_dynar_length(done_task->tasks_before); -// done_task->is_not_ready = done_task->unsatisfied_dependencies; -// } -// free(done_task->workstation_list); -// done_task->workstation_list = NULL; -// done_task->workstation_nb = 0; -// } - - sd_global->task_number = 0; - - -#ifdef HAVE_JEDULE - jedule_sd_dump(); - jedule_sd_cleanup(); - jedule_sd_init(); -#endif + xbt_cfg_set_as_string(key, value); } /** * \brief Creates the environment * - * The environment (i.e. the \ref SD_workstation_management "workstations" - * and the \ref SD_link_management "links") is created with the data stored - * in the given XML platform file. + * The environment (i.e. the \ref SD_host_api "hosts" and the \ref SD_link_api "links") is created with + * the data stored in the given XML platform file. * * \param platform_file name of an XML file describing the environment to create - * \see SD_workstation_management, SD_link_management + * \see SD_host_api, SD_link_api * * The XML file follows this DTD: * @@ -165,47 +90,27 @@ void SD_application_reinit(void) */ void SD_create_environment(const char *platform_file) { - xbt_lib_cursor_t cursor = NULL; - char *name = NULL; - void **surf_storage = NULL; - - parse_platform_file(platform_file); - - /* now let's create the SD wrappers for workstations, storages and links */ - { - xbt_dict_cursor_t cursor = NULL; - simgrid_Host* host = NULL; - xbt_dict_foreach(host_list, cursor, name, host){ - __SD_workstation_create((const char*)name); - } - } - - xbt_lib_foreach(storage_lib, cursor, name, surf_storage) { - if(surf_storage[SURF_STORAGE_LEVEL]) - __SD_storage_create(surf_storage[SURF_STORAGE_LEVEL], NULL); - } - + simgrid::s4u::Engine::instance()->loadPlatform(platform_file); - XBT_DEBUG("Workstation number: %d, link number: %d", - SD_workstation_get_number(), SD_link_get_number()); -#ifdef HAVE_JEDULE + XBT_DEBUG("Workstation number: %zu, link number: %d", sg_host_count(), sg_link_count()); +#if HAVE_JEDULE jedule_setup_platform(); #endif + XBT_VERB("Starting simulation..."); + surf_presolve(); /* Takes traces into account */ } /** * \brief Launches the simulation. * * The function will execute the \ref SD_RUNNABLE runnable tasks. - * If \a how_long is positive, then the simulation will be stopped either - * when time reaches \a how_long or when a watch point is reached. - * A non-positive value for \a how_long means no time limit, in which case - * the simulation will be stopped either when a watch point is reached or - * when no more task can be executed. + * If \a how_long is positive, then the simulation will be stopped either when time reaches \a how_long or when a watch + * point is reached. + * A non-positive value for \a how_long means no time limit, in which case the simulation will be stopped either when a + * watch point is reached or when no more task can be executed. * Then you can call SD_simulate() again. * - * \param how_long maximum duration of the simulation (a negative value means - * no time limit) + * \param how_long maximum duration of the simulation (a negative value means no time limit) * \return a dynar of \ref SD_task_t whose state has changed. * \see SD_task_schedule(), SD_task_watch() */ @@ -213,19 +118,9 @@ 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 */ double total_time = 0.0; - double elapsed_time = 0.0; SD_task_t task, dst; - SD_dependency_t dependency; surf_action_t action; - unsigned int iter, depcnt; - static int first_time = 1; - - if (first_time) { - XBT_VERB("Starting simulation..."); - - surf_presolve(); /* Takes traces into account */ - first_time = 0; - } + unsigned int iter; XBT_VERB("Run simulation for %f seconds", how_long); sd_global->watch_point_reached = 0; @@ -233,22 +128,20 @@ xbt_dynar_t SD_simulate(double how_long) { xbt_dynar_reset(sd_global->return_set); /* explore the runnable tasks */ - xbt_dynar_foreach(sd_global->executable_task_set , iter, task) { + std::set::iterator it=sd_global->executable_tasks->begin(); + while(it != sd_global->executable_tasks->end()){ + task = *it; + it++; XBT_VERB("Executing task '%s'", SD_task_get_name(task)); - if (__SD_task_try_to_run(task)){ - xbt_dynar_push(sd_global->return_set, &task); - iter--; - } + SD_task_run(task); + xbt_dynar_push(sd_global->return_set, &task); } /* main loop */ - elapsed_time = 0.0; - while (elapsed_time >= 0.0 && - (how_long < 0.0 || 0.00001 < (how_long -total_time)) && + double elapsed_time = 0.0; + while (elapsed_time >= 0.0 && (how_long < 0.0 || 0.00001 < (how_long -total_time)) && !sd_global->watch_point_reached) { - surf_model_t model = NULL; - /* dumb variables */ - + surf_model_t model = nullptr; XBT_DEBUG("Total time: %f", total_time); @@ -260,103 +153,95 @@ xbt_dynar_t SD_simulate(double how_long) { /* let's see which tasks are done */ xbt_dynar_foreach(all_existing_models, iter, model) { while ((action = surf_model_extract_done_action_set(model))) { - task = (SD_task_t) action->getData(); + task = static_cast(action->getData()); task->start_time = task->surf_action->getStartTime(); task->finish_time = surf_get_clock(); XBT_VERB("Task '%s' done", SD_task_get_name(task)); - XBT_DEBUG("Calling __SD_task_just_done"); - __SD_task_just_done(task); - XBT_DEBUG("__SD_task_just_done called on task '%s'", - SD_task_get_name(task)); + SD_task_set_state(task, SD_DONE); + task->surf_action->unref(); + task->surf_action = nullptr; /* the state has changed. Add it only if it's the first change */ - if (xbt_dynar_search_or_negative(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 */ - xbt_dynar_foreach(task->tasks_after, depcnt, dependency) { - dst = dependency->dst; - if (dst->unsatisfied_dependencies > 0) - dst->unsatisfied_dependencies--; + for (std::set::iterator it=task->successors->begin(); it!=task->successors->end(); ++it){ + dst=*it; + dst->unsatisfied_dependencies--; if (dst->is_not_ready > 0) dst->is_not_ready--; - XBT_DEBUG("Released a dependency on %s: %d remain(s). Became schedulable if %d=0", - SD_task_get_name(dst), dst->unsatisfied_dependencies, - dst->is_not_ready); - - if (!(dst->unsatisfied_dependencies)) { + SD_task_get_name(dst), dst->unsatisfied_dependencies, dst->is_not_ready); + if (dst->unsatisfied_dependencies == 0) { if (SD_task_get_state(dst) == SD_SCHEDULED) SD_task_set_state(dst, SD_RUNNABLE); else SD_task_set_state(dst, SD_SCHEDULABLE); } - if (SD_task_get_state(dst) == SD_NOT_SCHEDULED && - !(dst->is_not_ready)) { + if (SD_task_get_state(dst) == SD_NOT_SCHEDULED && dst->is_not_ready == 0) { SD_task_set_state(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); + xbt_dynar_push(sd_global->return_set, &dst); + } + } - if (SD_task_get_kind(dst) == SD_TASK_COMM_E2E) { - SD_dependency_t comm_dep; - SD_task_t comm_dst; - xbt_dynar_get_cpy(dst->tasks_after, 0, &comm_dep); - comm_dst = comm_dep->dst; - if (SD_task_get_state(comm_dst) == SD_NOT_SCHEDULED && - comm_dst->is_not_ready > 0) { - comm_dst->is_not_ready--; + for (std::set::iterator it=task->outputs->begin(); it!=task->outputs->end(); ++it){ + dst=*it; + dst->unsatisfied_dependencies = 0; + dst->is_not_ready = 0; + if (SD_task_get_state(dst) == SD_SCHEDULED) + SD_task_set_state(dst, SD_RUNNABLE); + else + SD_task_set_state(dst, SD_SCHEDULABLE); + SD_task_t comm_dst = *(dst->successors->begin()); + if (SD_task_get_state(comm_dst) == SD_NOT_SCHEDULED && comm_dst->is_not_ready > 0) { + comm_dst->is_not_ready--; XBT_DEBUG("%s is a transfer, %s may be ready now if %d=0", - SD_task_get_name(dst), SD_task_get_name(comm_dst), - comm_dst->is_not_ready); + SD_task_get_name(dst), SD_task_get_name(comm_dst), comm_dst->is_not_ready); - if (!(comm_dst->is_not_ready)) { - SD_task_set_state(comm_dst, SD_SCHEDULABLE); - } + if (comm_dst->is_not_ready == 0) { + SD_task_set_state(comm_dst, SD_SCHEDULABLE); } } - - /* is dst runnable now? */ - if (SD_task_get_state(dst) == SD_RUNNABLE - && !sd_global->watch_point_reached) { + if (SD_task_get_state(dst) == SD_RUNNABLE && !sd_global->watch_point_reached) { XBT_VERB("Executing task '%s'", SD_task_get_name(dst)); - if (__SD_task_try_to_run(dst)) - xbt_dynar_push(sd_global->return_set, &dst); + SD_task_run(dst); + xbt_dynar_push(sd_global->return_set, &dst); } } } /* let's see which tasks have just failed */ while ((action = surf_model_extract_failed_action_set(model))) { - task = (SD_task_t) action->getData(); - task->start_time = surf_action_get_start_time(task->surf_action); + task = static_cast(action->getData()); + task->start_time = task->surf_action->getStartTime(); task->finish_time = surf_get_clock(); XBT_VERB("Task '%s' failed", SD_task_get_name(task)); SD_task_set_state(task, SD_FAILED); action->unref(); - task->surf_action = NULL; + task->surf_action = nullptr; xbt_dynar_push(sd_global->return_set, &task); } } } - if (!sd_global->watch_point_reached && how_long<0){ - if ((int) xbt_dynar_length(sd_global->completed_task_set) < - sd_global->task_number){ - XBT_WARN("Simulation is finished but %d tasks are still not done", - (sd_global->task_number - - (int) xbt_dynar_length(sd_global->completed_task_set))); - static const char* state_names[] = - { "SD_NOT_SCHEDULED", "SD_SCHEDULABLE", "SD_SCHEDULED", - "SD_RUNNABLE", "SD_IN_INFO", "SD_RUNNING", "SD_DONE", - "SD_FAILED" }; - xbt_dynar_foreach(sd_global->initial_task_set, iter, task){ - XBT_WARN("%s is in %s state", SD_task_get_name(task), - state_names[SD_task_get_state(task)]); - } + 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 it=sd_global->initial_tasks->begin(); + it!=sd_global->initial_tasks->end(); ++it){ + task = *it; + XBT_WARN("%s is in %s state", SD_task_get_name(task), state_names[SD_task_get_state(task)]); } } @@ -367,51 +252,32 @@ xbt_dynar_t SD_simulate(double how_long) { return sd_global->return_set; } -/** - * \brief Returns the current clock - * - * \return the current clock, in second - */ -double SD_get_clock(void) { +/** @brief Returns the current clock, in seconds */ +double SD_get_clock() { return surf_get_clock(); } /** * \brief Destroys all SD internal data * - * This function should be called when the simulation is over. Don't forget - * to destroy too. + * 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(void) +void SD_exit() { TRACE_surf_resource_utilization_release(); - xbt_mallocator_free(sd_global->task_mallocator); - - XBT_DEBUG("Destroying workstation and link arrays..."); - xbt_free(sd_global->workstation_list); - xbt_free(sd_global->link_list); - xbt_free(sd_global->recyclable_route); - - XBT_DEBUG("Destroying the dynars ..."); - xbt_dynar_free_container(&(sd_global->initial_task_set)); - xbt_dynar_free_container(&(sd_global->executable_task_set)); - xbt_dynar_free_container(&(sd_global->completed_task_set)); - xbt_dynar_free_container(&(sd_global->return_set)); - - TRACE_end(); - - xbt_free(sd_global); - sd_global = NULL; - -#ifdef HAVE_JEDULE - jedule_sd_dump(); +#if HAVE_JEDULE jedule_sd_cleanup(); jedule_sd_exit(); #endif - XBT_DEBUG("Exiting Surf..."); - surf_exit(); + xbt_mallocator_free(sd_global->task_mallocator); + delete sd_global->initial_tasks; + delete sd_global->executable_tasks; + delete sd_global->completed_tasks; + xbt_dynar_free_container(&(sd_global->return_set)); + xbt_free(sd_global); + sd_global = nullptr; }