1 /* Copyright (c) 2007-2012, 2014. 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. */
9 #include "simdag/simdag.h"
12 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(basic4, sd, "SimDag test basic4");
14 /* Basic SimDag Test 4
16 * - Create a chain of tasks (Init, A, Fin)
17 * - Have a 1B communication between two no-op tasks.
18 * Verify that the tasks are actually simulated in the right order.
19 * The simulated time should be equal to the network latency: 0.0001 seconds.
21 int main(int argc, char **argv)
23 /* creation of the tasks and their dependencies */
30 /* scheduling parameters */
32 double no_cost[] = { 0., 0., 0., 0. };
33 double amount[] = { 0., 1., 0., 0. };
35 /* initialisation of SD */
38 /* creation of the environment */
39 SD_create_environment(argv[1]);
41 /* creation of the tasks and their dependencies */
42 taskInit = SD_task_create("Task Init", NULL, 1.0);
43 taskA = SD_task_create("Task A", NULL, 1.0);
44 taskFin = SD_task_create("Task Fin", NULL, 1.0);
47 /* let's launch the simulation! */
48 SD_task_schedule(taskInit, 1, SD_workstation_get_list(), no_cost,
50 SD_task_schedule(taskA, 2, SD_workstation_get_list(), no_cost, amount,
52 SD_task_schedule(taskFin, 1, SD_workstation_get_list(), no_cost, no_cost,
55 SD_task_dependency_add(NULL, NULL, taskInit, taskA);
56 SD_task_dependency_add(NULL, NULL, taskA, taskFin);
58 ret = SD_simulate(-1.0);
60 SD_task_destroy(taskInit);
61 SD_task_destroy(taskA);
62 SD_task_destroy(taskFin);
64 XBT_INFO("Simulation time: %f", SD_get_clock());