1 /* Example of scatter communication, accepting a large amount of processes.
2 * This based the experiment of Fig. 4 in http://hal.inria.fr/hal-00650233/
3 * That experiment is a comparison to the LogOPSim simulator, that takes
4 * GOAL files as an input, thus the file name. But there is no actual link
5 * to the GOAL formalism beside of this.
7 * Copyright (c) 2011. The SimGrid Team. All rights reserved.
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the license (GNU LGPL) which comes with this package.
15 #include "simdag/simdag.h"
19 #include "xbt/xbt_os_time.h"
21 XBT_LOG_NEW_DEFAULT_CATEGORY(goal, "The GOAL loader into SimDag");
25 } s_bcast_task_t,*bcast_task_t;
28 const SD_workstation_t* ws_list;
31 xbt_dynar_t reclaimed;
33 static void send_one(int from, int to) {
34 //XBT_DEBUG("send_one(%d, %d)",from,to);
36 if (count %100000 == 0)
37 XBT_INFO("Sending task #%d",count);
41 if (!xbt_dynar_is_empty(reclaimed)) {
42 bt = xbt_dynar_pop_as(reclaimed,bcast_task_t);
44 bt = xbt_new(s_bcast_task_t,1);
50 SD_task_t task = SD_task_create_comm_e2e(NULL,bt,424242);
52 XBT_DEBUG("Schedule task between %d and %d",bt->i,bt->j);
53 SD_task_schedulel(task,2,ws_list[bt->i],ws_list[bt->j]);
54 SD_task_watch(task,SD_DONE);
58 int main(int argc, char **argv) {
59 xbt_os_timer_t timer = xbt_os_timer_new();
61 /* initialization of SD */
65 SD_create_environment(argv[1]);
67 SD_create_environment("../../platforms/One_cluster_no_backbone.xml");
70 ws_list = SD_workstation_get_list();
71 reclaimed = xbt_dynar_new(sizeof(bcast_task_t),xbt_free_ref);
72 xbt_dynar_t done = NULL;
74 xbt_os_cputimer_start(timer);
75 send_one(0,SD_workstation_get_number());
77 if (done != NULL && !xbt_dynar_is_empty(done)) {
81 xbt_dynar_foreach(done, cursor, task) {
82 bcast_task_t bt = SD_task_get_data(task);
84 if (bt->i != bt->j -1)
85 send_one(bt->i,bt->j);
86 if (bt->j != bt->k -1)
87 send_one(bt->j,bt->k);
89 if (xbt_dynar_length(reclaimed)<100) {
90 xbt_dynar_push_as(reclaimed,bcast_task_t,bt);
94 SD_task_destroy(task);
96 xbt_dynar_free(&done);
99 } while(!xbt_dynar_is_empty(done));
100 xbt_os_cputimer_stop(timer);
101 printf("exec_time:%lf\n", xbt_os_timer_elapsed(timer) );
103 xbt_dynar_free(&done);
104 xbt_dynar_free(&reclaimed);
107 XBT_INFO("Done. Bailing out");