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->watch_point_reached = false;
sd_global->task_mallocator=xbt_mallocator_new(65536, SD_task_new_f, SD_task_free_f, SD_task_recycle_f);
*/
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);
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<SD_task_t>(action->getData());
+ surf_action_t action = surf_model_extract_done_action_set(model);
+ while (action != nullptr) {
+ SD_task_t task = static_cast<SD_task_t>(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<SD_task_t>::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<SD_task_t>::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<SD_task_t>(action->getData());
+ action = surf_model_extract_failed_action_set(model);
+ while (action != nullptr) {
+ SD_task_t task = static_cast<SD_task_t>(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);
}
}
}
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<SD_task_t>::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), state_names[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;
/**
* \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()
