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->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_task_t* SD_simulate(double how_long)
{
- /* TODO */
-
double total_time = 0.0; /* we stop the simulation when total_time >= how_long */
double elapsed_time = 0.0;
SD_task_t task;
surf_action_t action;
SD_task_t *changed_tasks = NULL;
int changed_task_number = 0;
- int changed_task_capacity = 16;
+ int changed_task_capacity = 16; /* will be increased if necessary */
/* create the array that will be returned */
- changed_tasks = xbt_new0(SD_task_t, changed_task_capacity); /* changed_task_capacity will be increased if necessary */
+ changed_tasks = xbt_new0(SD_task_t, changed_task_capacity);
changed_tasks[0] = NULL;
surf_solve(); /* Takes traces into account. Returns 0.0 */
/* main loop */
while (elapsed_time >= 0.0 && total_time < how_long && !sd_global->watch_point_reached) {
- /* explore the scheduled tasks */
- xbt_swag_foreach(task, sd_global->scheduled_task_set) {
- INFO1("Examining task '%s'...", SD_task_get_name(task));
+ /* 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;
- if (xbt_dynar_length(task->tasks_before) == 0) {
- INFO1("The dependencies are satisfied. 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);
- }
- changed_tasks[changed_task_number] = NULL;
- }
- else {
- INFO1("Cannot execute task '%s' now because some depencies are not satisfied.", 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);
}
+ changed_tasks[changed_task_number] = NULL;
}
elapsed_time = surf_solve();
if (elapsed_time > 0.0)
total_time += elapsed_time;
- /* INFO1("Total time: %f", total_time);*/
+ /* let's see which tasks are done */
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));
}
}
+ /* let's see which tasks have just failed */
while ((action = xbt_swag_extract(surf_workstation_resource->common_public->states.failed_action_set))) {
task = action->data;
INFO1("Task '%s' failed", SD_task_get_name(task));
}
INFO0("Simulation finished");
-
INFO1("Number of tasks whose state has changed: %d", changed_task_number);
+
return changed_tasks;
}
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->running_task_set);
xbt_swag_free(sd_global->done_task_set);
xbt_swag_free(sd_global->failed_task_set);