+ /* And now, post-process the files.
+ * We want a file task per pair of computation tasks exchanging the file. Duplicate on need
+ * Files not produced in the system are said to be produced by root task (top of DAG).
+ * Files not consumed in the system are said to be consumed by end task (bottom of DAG).
+ */
+ xbt_dict_cursor_t cursor;
+ SD_task_t file;
+ char *name;
+ xbt_dict_foreach(files, cursor, name, file) {
+ unsigned int cpt1, cpt2;
+ SD_task_t newfile = NULL;
+ SD_dependency_t depbefore, depafter;
+ if (xbt_dynar_is_empty(file->tasks_before)) {
+ xbt_dynar_foreach(file->tasks_after, cpt2, depafter) {
+ SD_task_t newfile =
+ SD_task_create_comm_e2e(file->name, NULL, file->amount);
+ SD_task_dependency_add(NULL, NULL, root_task, newfile);
+ SD_task_dependency_add(NULL, NULL, newfile, depafter->dst);
+ xbt_dynar_push(result, &newfile);
+ }
+ } else if (xbt_dynar_is_empty(file->tasks_after)) {
+ xbt_dynar_foreach(file->tasks_before, cpt2, depbefore) {
+ SD_task_t newfile =
+ SD_task_create_comm_e2e(file->name, NULL, file->amount);
+ SD_task_dependency_add(NULL, NULL, depbefore->src, newfile);
+ SD_task_dependency_add(NULL, NULL, newfile, end_task);
+ xbt_dynar_push(result, &newfile);
+ }
+ } else {
+ xbt_dynar_foreach(file->tasks_before, cpt1, depbefore) {
+ xbt_dynar_foreach(file->tasks_after, cpt2, depafter) {
+ if (depbefore->src == depafter->dst) {
+ XBT_WARN
+ ("File %s is produced and consumed by task %s. This loop dependency will prevent the execution of the task.",
+ file->name, depbefore->src->name);
+ }
+ newfile =
+ SD_task_create_comm_e2e(file->name, NULL, file->amount);
+ SD_task_dependency_add(NULL, NULL, depbefore->src, newfile);
+ SD_task_dependency_add(NULL, NULL, newfile, depafter->dst);
+ xbt_dynar_push(result, &newfile);
+ }
+ }
+ }
+ }
+
+ /* Push end task last */
+ xbt_dynar_push(result, &end_task);
+
+ /* Free previous copy of the files */
+ xbt_dict_free(&files);
+ fclose(in_file);
+ if (!acyclic_graph_detail(result)) {
+ XBT_ERROR("The DOT described in %s is not a DAG. It contains a cycle.",
+ basename((char*)filename));
+ xbt_dynar_free(&result);
+ /* (result == NULL) here */
+ }
+ return result;
+}
+
+/* dot_add_parallel_task create a sd_task of SD_TASK_COMP_PAR_AMDHAL type and
+ * all transfers required for this task. The execution time of the task is
+ * given by the attribute size. The unit of size is the Flop.*/
+void dot_add_parallel_task(Agnode_t * dag_node)
+{
+ char *name = agnameof(dag_node);
+ SD_task_t current_job;
+ double amount = dot_parse_double(agget(dag_node, (char *) "size"));
+ double alpha = dot_parse_double(agget(dag_node, (char *) "alpha"));
+
+ if (alpha == -1.)
+ alpha = 0.0;
+
+ XBT_DEBUG("See <job id=%s amount=%s %.0f alpha=%.2f>", name,
+ agget(dag_node, (char *) "size"), amount, alpha);
+ current_job = xbt_dict_get_or_null(jobs, name);
+ if (current_job == NULL) {
+ current_job =
+ SD_task_create_comp_par_amdahl(name, NULL , amount, alpha);
+#ifdef HAVE_TRACING
+ TRACE_sd_dotloader (current_job, agget (dag_node, (char*)"category"));
+#endif
+ xbt_dict_set(jobs, name, current_job, NULL);
+ xbt_dynar_push(result, ¤t_job);
+ }
+ Agedge_t *e;
+ int count = 0;
+
+ for (e = agfstin(dag_dot, dag_node); e; e = agnxtin(dag_dot, e)) {
+ dot_add_input_dependencies(current_job, e, parallel);
+ count++;
+ }
+ if (count == 0 && current_job != root_task) {
+ SD_task_dependency_add(NULL, NULL, root_task, current_job);
+ }
+ count = 0;
+ for (e = agfstout(dag_dot, dag_node); e; e = agnxtout(dag_dot, e)) {
+ dot_add_output_dependencies(current_job, e, parallel);
+ count++;
+ }
+ if (count == 0 && current_job != end_task) {
+ SD_task_dependency_add(NULL, NULL, current_job, end_task);
+ }