Ejemplo n.º 1
0
Archivo: dynar.c Proyecto: R7R8/simgrid
/** @brief Sorts a dynar of strings (ie, char* data) */
xbt_dynar_t xbt_dynar_sort_strings(xbt_dynar_t dynar)
{
  xbt_dynar_sort(dynar, strcmp_voidp);
  return dynar; // to enable functional uses
}
Ejemplo n.º 2
0
xbt_dynar_t SD_dotload_generic(const char * filename, seq_par_t seq_or_par, bool schedule){
  xbt_assert(filename, "Unable to use a null file descriptor\n");
  FILE *in_file = fopen(filename, "r");
  xbt_assert(in_file != nullptr, "Failed to open file: %s", filename);

  unsigned int i;
  SD_task_t root;
  SD_task_t end;
  SD_task_t task;
  xbt_dict_t computers;
  xbt_dynar_t computer = nullptr;
  xbt_dict_cursor_t dict_cursor;
  bool schedule_success = true;

  xbt_dict_t jobs = xbt_dict_new_homogeneous(nullptr);
  xbt_dynar_t result = xbt_dynar_new(sizeof(SD_task_t), dot_task_p_free);

  Agraph_t * dag_dot = agread(in_file, NIL(Agdisc_t *));

  if (schedule)
    computers = xbt_dict_new_homogeneous(nullptr);

  /* Create all the nodes */
  Agnode_t *node = nullptr;
  for (node = agfstnode(dag_dot); node; node = agnxtnode(dag_dot, node)) {
    char *name = agnameof(node);
    double amount = atof(agget(node, (char*)"size"));
    task = static_cast<SD_task_t>(xbt_dict_get_or_null(jobs, name));
    if (task == nullptr) {
      if (seq_or_par == sequential){
        XBT_DEBUG("See <job id=%s amount =%.0f>", name, amount);
        task = SD_task_create_comp_seq(name, nullptr , amount);
      } else {
        double alpha = atof(agget(node, (char *) "alpha"));
        XBT_DEBUG("See <job id=%s amount =%.0f alpha = %.3f>", name, amount, alpha);
        task = SD_task_create_comp_par_amdahl(name, nullptr , amount, alpha);
      }

      xbt_dict_set(jobs, name, task, nullptr);

      if (strcmp(name,"root") && strcmp(name,"end"))
        xbt_dynar_push(result, &task);

      if((seq_or_par == sequential) &&
        ((schedule && schedule_success) || XBT_LOG_ISENABLED(sd_dotparse, xbt_log_priority_verbose))){
        /* try to take the information to schedule the task only if all is right*/
        char *char_performer = agget(node, (char *) "performer");
        char *char_order = agget(node, (char *) "order");
        /* Tasks will execute on in a given "order" on a given set of "performer" hosts */
        int performer = ((!char_performer || !strcmp(char_performer,"")) ? -1:atoi(char_performer));
        int order = ((!char_order || !strcmp(char_order, ""))? -1:atoi(char_order));

        if((performer != -1 && order != -1) && performer < (int) sg_host_count()){
          /* required parameters are given and less performers than hosts are required */
          XBT_DEBUG ("Task '%s' is scheduled on workstation '%d' in position '%d'", task->name, performer, order);
          if(!(computer = (xbt_dynar_t) xbt_dict_get_or_null(computers, char_performer))){
            computer = xbt_dynar_new(sizeof(SD_task_t), nullptr);
            xbt_dict_set(computers, char_performer, computer, nullptr);
          }

          if((unsigned int)order < xbt_dynar_length(computer)){
            SD_task_t *task_test = (SD_task_t *)xbt_dynar_get_ptr(computer,order);
            if(*task_test && *task_test != task){
              /* the user gave the same order to several tasks */
              schedule_success = false;
              XBT_VERB("Task '%s' wants to start on performer '%s' at the same position '%s' as task '%s'",
                       (*task_test)->name, char_performer, char_order, task->name);
              continue;
            }
          }
          /* the parameter seems to be ok */
          xbt_dynar_set_as(computer, order, SD_task_t, task);
        } else {
          /* one of required parameters is not given */
          schedule_success = false;
          XBT_VERB("The schedule is ignored, task '%s' can not be scheduled on %d hosts", task->name, performer);
        }
      }
    } else {
      XBT_WARN("Task '%s' is defined more than once", name);
    }
  }

  /*Check if 'root' and 'end' nodes have been explicitly declared.  If not, create them. */
  if (!(root = (SD_task_t)xbt_dict_get_or_null(jobs, "root")))
    root = (seq_or_par == sequential?SD_task_create_comp_seq("root", nullptr, 0):
                                     SD_task_create_comp_par_amdahl("root", nullptr, 0, 0));

  SD_task_set_state(root, SD_SCHEDULABLE);   /* by design the root task is always SCHEDULABLE */
  xbt_dynar_insert_at(result, 0, &root);     /* Put it at the beginning of the dynar */

  if (!(end = (SD_task_t)xbt_dict_get_or_null(jobs, "end")))
    end = (seq_or_par == sequential?SD_task_create_comp_seq("end", nullptr, 0):
                                    SD_task_create_comp_par_amdahl("end", nullptr, 0, 0));

  /* Create edges */
  xbt_dynar_t edges = xbt_dynar_new(sizeof(Agedge_t*), nullptr);
  for (node = agfstnode(dag_dot); node; node = agnxtnode(dag_dot, node)) {
    Agedge_t * edge;
    xbt_dynar_reset(edges);
    for (edge = agfstout(dag_dot, node); edge; edge = agnxtout(dag_dot, edge))
      xbt_dynar_push_as(edges, Agedge_t *, edge);

    /* Be sure edges are sorted */
    xbt_dynar_sort(edges, edge_compare);

    xbt_dynar_foreach(edges, i, edge) {
      char *src_name=agnameof(agtail(edge)), *dst_name=agnameof(aghead(edge));
      double size = atof(agget(edge, (char *) "size"));

      SD_task_t src = static_cast<SD_task_t>(xbt_dict_get_or_null(jobs, src_name));
      SD_task_t dst = static_cast<SD_task_t>(xbt_dict_get_or_null(jobs, dst_name));

      if (size > 0) {
        char *name = bprintf("%s->%s", src_name, dst_name);
        XBT_DEBUG("See <transfer id=%s amount = %.0f>", name, size);
        task = static_cast<SD_task_t>(xbt_dict_get_or_null(jobs, name));
        if (task == nullptr) {
          if (seq_or_par == sequential)
            task = SD_task_create_comm_e2e(name, nullptr , size);
          else
            task = SD_task_create_comm_par_mxn_1d_block(name, nullptr , size);
          SD_task_dependency_add(nullptr, nullptr, src, task);
          SD_task_dependency_add(nullptr, nullptr, task, dst);
          xbt_dict_set(jobs, name, task, nullptr);
          xbt_dynar_push(result, &task);
        } else {
          XBT_WARN("Task '%s' is defined more than once", name);
        }
        xbt_free(name);
      } else {
        SD_task_dependency_add(nullptr, nullptr, src, dst);
      }
    }
  }