1 /* Copyright (c) 2006-2010, 2012-2016. 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_CATEGORY(sd_typed_tasks_test, "Logging specific to this SimDag example");
12 int main(int argc, char **argv)
16 xbt_dynar_t changed_tasks;
18 double computation_amount[4];
19 double communication_amount[16] = { 0 };
20 sg_host_t host_list[4];
24 xbt_assert(argc > 1, "Usage: %s platform_file\n\nExample: %s two_clusters.xml", argv[0], argv[0]);
25 SD_create_environment(argv[1]);
27 const sg_host_t *hosts = sg_host_list();
29 /* creation of some typed tasks and their dependencies */
30 SD_task_t seq_comp1 = SD_task_create_comp_seq("Seq. comp. 1", NULL, 1e9);
31 SD_task_t e2e_comm = SD_task_create_comm_e2e("E2E comm.", NULL, 1e7);
32 SD_task_t seq_comp2 = SD_task_create_comp_seq("Seq. comp 2.", NULL, 1e9);
33 SD_task_t par_comp1 = SD_task_create_comp_par_amdahl("Par. Comp. 1", NULL, 1e9, 0.2);
34 SD_task_t redist = SD_task_create_comm_par_mxn_1d_block("MxN redist", NULL, 1.2e8);
35 SD_task_t par_comp2 = SD_task_create_comp_par_amdahl("Par. Comp. 2", NULL, 3e8, 0.5);
36 SD_task_t par_comp3 = SD_task_create("Par. Comp. 3", NULL, 1e9);
38 SD_task_dependency_add(NULL, NULL, seq_comp1, e2e_comm);
39 SD_task_dependency_add(NULL, NULL, e2e_comm, seq_comp2);
41 SD_task_dependency_add(NULL, NULL, par_comp1, redist);
42 SD_task_dependency_add(NULL, NULL, redist, par_comp2);
44 SD_task_schedulel(seq_comp1, 1, hosts[8]);
45 SD_task_schedulel(seq_comp2, 1, hosts[9]);
47 SD_task_schedulev(par_comp1, 4, hosts);
48 SD_task_schedulev(par_comp2, 3, hosts);
50 /* Let's unschedule these tasks and test the auto-scheduling in the opposite way. */
51 SD_task_unschedule(par_comp1);
52 SD_task_unschedule(par_comp2);
53 SD_task_unschedule(redist); /* yes, it was scheduled too */
55 SD_task_schedulev(par_comp2, 3, hosts);
56 SD_task_schedulev(par_comp1, 4, hosts);
58 for (int i=0;i<4;i++){
59 host_list[i]=hosts[i+4];
60 /* Apply Amdahl's law manually assuming a 20% serial part */
61 computation_amount[i]=(0.2 + (1 - 0.2)/4) * SD_task_get_amount(par_comp3);
64 SD_task_schedule(par_comp3, 4, host_list, computation_amount, communication_amount, -1);
66 changed_tasks = SD_simulate(-1.0);
67 xbt_dynar_foreach(changed_tasks, ctr, task) {
68 XBT_INFO("Task '%s' start time: %f, finish time: %f", SD_task_get_name(task), SD_task_get_start_time(task),
69 SD_task_get_finish_time(task));
72 xbt_dynar_foreach(changed_tasks, ctr, task) {
73 SD_task_destroy(task);