* \see SD_create_environment(), SD_exit()
*/
void SD_init(int *argc, char **argv) {
- xbt_assert0(sd_global == NULL, "SD_init already called");
- sd_global = xbt_new0(s_SD_global_t, 1);
+ s_SD_task_t task;
+
+ xbt_assert0( !SD_INITIALISED() , "SD_init() already called");
+
+ sd_global = xbt_new(s_SD_global_t, 1);
sd_global->workstations = xbt_dict_new();
sd_global->workstation_count = 0;
+ sd_global->workstation_list = NULL;
sd_global->links = xbt_dict_new();
+ sd_global->link_count = 0;
+ sd_global->link_list = NULL;
+ sd_global->recyclable_route = NULL;
sd_global->watch_point_reached = 0;
- s_SD_task_t task;
sd_global->not_scheduled_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
sd_global->scheduled_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
sd_global->ready_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->in_fifo_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
sd_global->running_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
sd_global->done_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
sd_global->failed_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->task_number = 0;
surf_init(argc, argv);
}
+/**
+ * \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;
+
+ if (SD_INITIALISED()) {
+ DEBUG0("Recreating the swags...");
+ xbt_swag_free(sd_global->not_scheduled_task_set);
+ xbt_swag_free(sd_global->scheduled_task_set);
+ xbt_swag_free(sd_global->ready_task_set);
+ xbt_swag_free(sd_global->in_fifo_task_set);
+ xbt_swag_free(sd_global->running_task_set);
+ xbt_swag_free(sd_global->done_task_set);
+ xbt_swag_free(sd_global->failed_task_set);
+
+ sd_global->not_scheduled_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->scheduled_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->ready_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->in_fifo_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->running_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->done_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->failed_task_set = xbt_swag_new(xbt_swag_offset(task, state_hookup));
+ sd_global->task_number = 0;
+ } else {
+ WARN0("SD_application_reinit called before initialization of SimDag");
+ /* we cannot use exceptions here because xbt is not running! */
+ }
+
+}
+
+
+
/**
* \brief Creates the environment
*
SD_CHECK_INIT_DONE();
+ DEBUG0("SD_create_environment");
+
surf_timer_resource_init(platform_file); /* tell Surf to create the environnement */
- /*surf_workstation_resource_init_KCCFLN05(platform_file);*/
- surf_workstation_resource_init_CLM03(platform_file);
+ DEBUG0("Calling surf_workstation_resource_init");
+ surf_workstation_resource_init_KCCFLN05(platform_file);
+ /* surf_workstation_resource_init_CLM03(platform_file); */
/* now let's create the SD wrappers for workstations and links */
+ DEBUG0("Creating SimDags hosts and links");
xbt_dict_foreach(workstation_set, cursor, name, surf_workstation) {
__SD_workstation_create(surf_workstation, NULL);
}
xbt_dict_foreach(network_link_set, cursor, name, surf_link) {
__SD_link_create(surf_link, NULL);
}
+
+ DEBUG2("Workstation number: %d, link number: %d", SD_workstation_get_number(), SD_link_get_number());
}
/**
* 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
+ * \param how_long maximum duration of the simulation (a negative value means no time limit)
* \return a NULL-terminated array of \ref SD_task_t whose state has changed.
* \see SD_task_schedule(), SD_task_watch()
*/
surf_action_t action;
SD_task_t *changed_tasks = NULL;
int changed_task_number = 0;
- int changed_task_capacity = 16; /* will be increased if necessary */
+ int changed_task_capacity = sd_global->task_number + 1;
int i;
static int first_time = 1;
+ SD_CHECK_INIT_DONE();
+
INFO0("Starting simulation...");
/* create the array that will be returned */
- changed_tasks = xbt_new0(SD_task_t, changed_task_capacity);
+ changed_tasks = xbt_new(SD_task_t, changed_task_capacity);
changed_tasks[0] = NULL;
if (first_time) {
first_time = 0;
}
+ if(how_long>0) {
+ surf_timer_resource->extension_public->set(surf_get_clock()+how_long,
+ NULL,NULL);
+ }
sd_global->watch_point_reached = 0;
/* explore the ready tasks */
xbt_swag_foreach(task, sd_global->ready_task_set) {
INFO1("Executing task '%s'", SD_task_get_name(task));
- action = __SD_task_run(task);
- surf_workstation_resource->common_public->action_set_data(action, task);
- task->state_changed = 1;
-
- changed_tasks[changed_task_number++] = task; /* replace NULL by the task */
- if (changed_task_number == changed_task_capacity) {
- changed_task_capacity *= 2;
- changed_tasks = xbt_realloc(changed_tasks, sizeof(SD_task_t) * changed_task_capacity);
+ if ((task->state_changed = __SD_task_try_to_run(task))) {
+ changed_tasks[changed_task_number++] = task; /* replace NULL by the task */
+ /*
+ if (changed_task_number == changed_task_capacity) {
+ changed_task_capacity *= 2;
+ changed_tasks = xbt_realloc(changed_tasks, sizeof(SD_task_t) * changed_task_capacity);
+ }
+ */
+ changed_tasks[changed_task_number] = NULL;
}
- changed_tasks[changed_task_number] = NULL;
}
/* main loop */
elapsed_time = 0.0;
- while (elapsed_time >= 0.0 && total_time < how_long && !sd_global->watch_point_reached) {
+ while (elapsed_time >= 0.0 &&
+ (how_long < 0.0 || total_time < how_long) &&
+ !sd_global->watch_point_reached) {
+ /* dumb variables */
+ void *fun = NULL;
+ void *arg = NULL;
+
+
+ DEBUG1("Total time: %f", total_time);
elapsed_time = surf_solve();
+ DEBUG1("surf_solve() returns %f", elapsed_time);
if (elapsed_time > 0.0)
total_time += elapsed_time;
while ((action = xbt_swag_extract(surf_workstation_resource->common_public->states.done_action_set))) {
task = action->data;
INFO1("Task '%s' done", SD_task_get_name(task));
- __SD_task_set_state(task, SD_DONE);
+ DEBUG0("Calling __SD_task_just_done");
+ __SD_task_just_done(task);
+ DEBUG1("__SD_task_just_done called on task '%s'", SD_task_get_name(task));
/* the state has changed */
if (!task->state_changed) {
task->state_changed = 1;
changed_tasks[changed_task_number++] = task;
+ /*
if (changed_task_number == changed_task_capacity) {
changed_task_capacity *= 2;
changed_tasks = xbt_realloc(changed_tasks, sizeof(SD_task_t) * changed_task_capacity);
}
+ */
changed_tasks[changed_task_number] = NULL;
}
/* is dst ready now? */
if (__SD_task_is_ready(dst) && !sd_global->watch_point_reached) {
INFO1("Executing task '%s'", SD_task_get_name(dst));
- action = __SD_task_run(dst);
- surf_workstation_resource->common_public->action_set_data(action, dst);
- dst->state_changed = 1;
-
- changed_tasks[changed_task_number++] = dst;
- if (changed_task_number == changed_task_capacity) {
- changed_task_capacity *= 2;
- changed_tasks = xbt_realloc(changed_tasks, sizeof(SD_task_t) * changed_task_capacity);
+ if (__SD_task_try_to_run(dst)) {
+ changed_tasks[changed_task_number++] = dst;
+ /*
+ if (changed_task_number == changed_task_capacity) {
+ changed_task_capacity *= 2;
+ changed_tasks = xbt_realloc(changed_tasks, sizeof(SD_task_t) * changed_task_capacity);
+ }
+ */
+ changed_tasks[changed_task_number] = NULL;
}
- changed_tasks[changed_task_number] = NULL;
}
}
}
task = action->data;
INFO1("Task '%s' failed", SD_task_get_name(task));
__SD_task_set_state(task, SD_FAILED);
+ surf_workstation_resource->common_public->action_free(action);
+ task->surf_action = NULL;
+
if (!task->state_changed) {
task->state_changed = 1;
changed_tasks[changed_task_number++] = task;
+ /*
if (changed_task_number == changed_task_capacity) {
changed_task_capacity *= 2;
changed_tasks = xbt_realloc(changed_tasks, sizeof(SD_task_t) * changed_task_capacity);
}
+ */
changed_tasks[changed_task_number] = NULL;
}
}
+
+ while (surf_timer_resource->extension_public->get(&fun,(void*)&arg)) {
+ }
}
/* we must reset every task->state_changed */
INFO0("Simulation finished");
DEBUG3("elapsed_time = %f, total_time = %f, watch_point_reached = %d", elapsed_time, total_time, sd_global->watch_point_reached);
+ DEBUG1("current time = %f", surf_get_clock());
return changed_tasks;
}
/**
- * \brief Destroys all SD internal data.
+ * \brief Returns the current clock
+ *
+ * \return the current clock, in second
+ */
+double SD_get_clock(void) {
+ SD_CHECK_INIT_DONE();
+
+ return surf_get_clock();
+}
+
+/**
+ * \brief Destroys all SD internal data
*
* This function should be called when the simulation is over. Don't forget also to destroy
* the tasks.
* \see SD_init(), SD_task_destroy()
*/
void SD_exit(void) {
- if (sd_global != NULL) {
+ if (SD_INITIALISED()) {
+ DEBUG0("Destroying workstation and link dictionaries...");
xbt_dict_free(&sd_global->workstations);
xbt_dict_free(&sd_global->links);
- xbt_free(sd_global);
+ DEBUG0("Destroying workstation and link arrays if necessary...");
+ if (sd_global->workstation_list != NULL)
+ xbt_free(sd_global->workstation_list);
+
+ if (sd_global->link_list != NULL)
+ xbt_free(sd_global->link_list);
+
+ if (sd_global->recyclable_route != NULL)
+ xbt_free(sd_global->recyclable_route);
+
+ DEBUG0("Destroying the swags...");
xbt_swag_free(sd_global->not_scheduled_task_set);
xbt_swag_free(sd_global->scheduled_task_set);
xbt_swag_free(sd_global->ready_task_set);
+ xbt_swag_free(sd_global->in_fifo_task_set);
xbt_swag_free(sd_global->running_task_set);
xbt_swag_free(sd_global->done_task_set);
xbt_swag_free(sd_global->failed_task_set);
+ xbt_free(sd_global);
+ sd_global = NULL;
+
+ DEBUG0("Exiting Surf...");
surf_exit();
}
+ else {
+ WARN0("SD_exit() called, but SimDag is not running");
+ /* we cannot use exceptions here because xbt is not running! */
+ }
}
