1 /* Copyright (c) 2007-2012, 2014-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "simgrid/simdag.h"
10 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(basic4, sd, "SimDag test basic4");
12 /* Basic SimDag Test 4
14 * - Create a chain of tasks (Init, A, Fin)
15 * - Have a 1B communication between two no-op tasks.
16 * Verify that the tasks are actually simulated in the right order.
17 * The simulated time should be equal to the network latency: 0.0001 seconds.
19 int main(int argc, char **argv)
21 /* scheduling parameters */
22 double no_cost[] = { 0., 0., 0., 0. };
23 double amount[] = { 0., 1., 0., 0. };
25 /* SD initialization */
28 /* creation of the environment */
29 SD_create_environment(argv[1]);
31 /* creation of the tasks and their dependencies */
32 SD_task_t taskInit = SD_task_create("Task Init", NULL, 1.0);
33 SD_task_t taskA = SD_task_create("Task A", NULL, 1.0);
34 SD_task_t taskFin = SD_task_create("Task Fin", NULL, 1.0);
36 SD_task_dependency_add(NULL, NULL, taskInit, taskA);
37 SD_task_dependency_add(NULL, NULL, taskA, taskFin);
39 sg_host_t *hosts = sg_host_list();
40 SD_task_schedule(taskInit, 1, hosts, no_cost, no_cost, -1.0);
41 SD_task_schedule(taskA, 2, hosts, no_cost, amount, -1.0);
42 SD_task_schedule(taskFin, 1, hosts, no_cost, no_cost, -1.0);
45 /* let's launch the simulation! */
47 SD_task_destroy(taskInit);
48 SD_task_destroy(taskA);
49 SD_task_destroy(taskFin);
51 XBT_INFO("Simulation time: %f", SD_get_clock());