sd_global = xbt_new0(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->watch_point_reached = 0;
s_SD_task_t task;
surf_timer_resource_init(platform_file); /* tell Surf to create the environnement */
-
- /*printf("surf_workstation_resource = %p, workstation_set = %p\n", surf_workstation_resource, workstation_set);
- printf("surf_network_resource = %p, network_link_set = %p\n", surf_network_resource, network_link_set);*/
-
/*surf_workstation_resource_init_KCCFLN05(platform_file);*/
surf_workstation_resource_init_CLM03(platform_file);
- /*printf("surf_workstation_resource = %p, workstation_set = %p\n", surf_workstation_resource, workstation_set);
- printf("surf_network_resource = %p, network_link_set = %p\n", surf_network_resource, network_link_set);*/
-
-
/* now let's create the SD wrappers for workstations and links */
xbt_dict_foreach(workstation_set, cursor, name, surf_workstation) {
__SD_workstation_create(surf_workstation, NULL);
* 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()
*/
{
double total_time = 0.0; /* we stop the simulation when total_time >= how_long */
double elapsed_time = 0.0;
- SD_task_t task;
+ SD_task_t task, dst;
+ SD_dependency_t dependency;
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 i;
+ static int first_time = 1;
+
+ INFO0("Starting simulation...");
/* create the array that will be returned */
changed_tasks = xbt_new0(SD_task_t, changed_task_capacity);
changed_tasks[0] = NULL;
- surf_solve(); /* Takes traces into account. Returns 0.0 */
+ if (first_time) {
+ surf_solve(); /* Takes traces into account. Returns 0.0 */
+ first_time = 0;
+ }
sd_global->watch_point_reached = 0;
- /* main loop */
- while (elapsed_time >= 0.0 && total_time < how_long && !sd_global->watch_point_reached) {
-
- /* explore the ready tasks */
- xbt_swag_foreach(task, sd_global->ready_task_set) {
- INFO1("Executing task '%s'", SD_task_get_name(task));
- task->state_changed = 0;
- 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);
- }
- changed_tasks[changed_task_number] = NULL;
+ /* explore the ready tasks */
+ xbt_swag_foreach(task, sd_global->ready_task_set) {
+ INFO1("Executing task '%s'", SD_task_get_name(task));
+ task->surf_action = __SD_task_run(task);
+ surf_workstation_resource->common_public->action_set_data(task->surf_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);
}
+ changed_tasks[changed_task_number] = NULL;
+ }
+
+ /* main loop */
+ elapsed_time = 0.0;
+ while (elapsed_time >= 0.0 &&
+ (how_long < 0.0 || total_time < how_long) &&
+ !sd_global->watch_point_reached) {
+
+ 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;
task = action->data;
INFO1("Task '%s' done", SD_task_get_name(task));
__SD_task_set_state(task, SD_DONE);
- __SD_task_remove_dependencies(task);
+ surf_workstation_resource->common_public->action_free(action);
+ task->surf_action = NULL;
+
+ /* 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;
+ }
+
+ /* remove the dependencies after this task */
+ while (xbt_dynar_length(task->tasks_after) > 0) {
+ xbt_dynar_get_cpy(task->tasks_after, 0, &dependency);
+ dst = dependency->dst;
+ SD_task_dependency_remove(task, dst);
+
+ /* is dst ready now? */
+ if (__SD_task_is_ready(dst) && !sd_global->watch_point_reached) {
+ INFO1("Executing task '%s'", SD_task_get_name(dst));
+ dst->surf_action = __SD_task_run(dst);
+ surf_workstation_resource->common_public->action_set_data(dst->surf_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);
+ }
+ 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;
}
}
}
+ /* we must reset every task->state_changed */
+ i = 0;
+ while (changed_tasks[i] != NULL) {
+ changed_tasks[i]->state_changed = 0;
+ i++;
+ }
+
INFO0("Simulation finished");
- INFO1("Number of tasks whose state has changed: %d", changed_task_number);
+ 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;
}
*/
void SD_exit(void) {
if (sd_global != NULL) {
+ 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);
+
+ 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->done_task_set);
xbt_swag_free(sd_global->failed_task_set);
+ xbt_free(sd_global);
+
+ DEBUG0("Exiting Surf...");
surf_exit();
}
}
