+++ /dev/null
-/* Example of scatter communication, accepting a large amount of processes.
- * This based the experiment of Fig. 4 in http://hal.inria.fr/hal-00650233/
- * That experiment is a comparison to the LogOPSim simulator, that takes
- * GOAL files as an input, thus the file name. But there is no actual link
- * to the GOAL formalism beside of this.
- */
-
-/* Copyright (c) 2011-2019. The SimGrid Team.
- * All rights reserved. */
-
-/* This program is free software; you can redistribute it and/or modify it
- * under the terms of the license (GNU LGPL) which comes with this package. */
-
-#include <stdio.h>
-#include "simgrid/simdag.h"
-#include "xbt/xbt_os_time.h"
-
-XBT_LOG_NEW_DEFAULT_CATEGORY(goal, "The GOAL loader into SimDag");
-
-typedef struct {
- int i;
- int j;
- int k;
-} s_bcast_task_t;
-typedef s_bcast_task_t *bcast_task_t;
-const sg_host_t* ws_list;
-int count = 0;
-
-xbt_dynar_t reclaimed;
-
-static void send_one(int from, int to) {
-
- if (count %100000 == 0)
- XBT_INFO("Sending task #%d",count);
- count++;
-
- bcast_task_t bt;
- if (!xbt_dynar_is_empty(reclaimed)) {
- bt = xbt_dynar_pop_as(reclaimed,bcast_task_t);
- } else {
- bt = xbt_new(s_bcast_task_t,1);
- }
- bt->i=from;
- bt->j=(from+to)/2;
- bt->k=to;
-
- SD_task_t task = SD_task_create_comm_e2e(NULL,bt,424242);
-
- XBT_DEBUG("Schedule task between %d and %d",bt->i,bt->j);
- SD_task_schedulel(task,2,ws_list[bt->i],ws_list[bt->j]);
- SD_task_watch(task,SD_DONE);
-}
-
-int main(int argc, char **argv) {
- xbt_os_timer_t timer = xbt_os_timer_new();
-
- /* initialization of SD */
- SD_init(&argc, argv);
-
- if (argc > 1) {
- SD_create_environment(argv[1]);
- } else {
- SD_create_environment("../../platforms/One_cluster_no_backbone.xml");
- }
-
- ws_list = sg_host_list();
- reclaimed = xbt_dynar_new(sizeof(bcast_task_t),xbt_free_ref);
- xbt_dynar_t done = xbt_dynar_new(sizeof(SD_task_t), NULL);
-
- xbt_os_cputimer_start(timer);
- send_one(0,sg_host_count());
- do {
- if (!xbt_dynar_is_empty(done)) {
- unsigned int cursor;
- SD_task_t task;
-
- xbt_dynar_foreach(done, cursor, task) {
- bcast_task_t bt = SD_task_get_data(task);
-
- if (bt->i != bt->j -1)
- send_one(bt->i,bt->j);
- if (bt->j != bt->k -1)
- send_one(bt->j,bt->k);
-
- if (xbt_dynar_length(reclaimed)<100) {
- xbt_dynar_push_as(reclaimed,bcast_task_t,bt);
- } else {
- free(bt);
- }
- SD_task_destroy(task);
- }
- xbt_dynar_free_container(&done);
- }
- SD_simulate_with_update(-1, done);
- } while(!xbt_dynar_is_empty(done));
- xbt_os_cputimer_stop(timer);
- printf("exec_time:%f\n", xbt_os_timer_elapsed(timer) );
-
- xbt_dynar_free(&done);
- xbt_dynar_free(&reclaimed);
-
- XBT_INFO("Done. Bailing out");
- return 0;
-}
