3 #include "simdag/simdag.h"
7 XBT_LOG_NEW_DEFAULT_CATEGORY(sd_test,
8 "Logging specific to this SimDag example");
10 int main(int argc, char **argv) {
13 /* initialisation of SD */
16 /* xbt_log_control_set("sd_test.thres=debug"); */
17 /* xbt_log_control_set("sd.thres=debug"); */
20 INFO1("Usage: %s platform_file", argv[0]);
21 INFO1("example: %s sd_platform.xml", argv[0]);
25 /* creation of the environment */
26 char * platform_file = argv[1];
27 SD_create_environment(platform_file);
29 /* test the estimation functions (use small_platform.xml) */
30 SD_workstation_t w1 = SD_workstation_get_by_name("Jupiter");
31 SD_workstation_t w2 = SD_workstation_get_by_name("Ginette");
32 const char *name1 = SD_workstation_get_name(w1);
33 const char *name2 = SD_workstation_get_name(w2);
34 const double computation_amount1 = 2000000;
35 const double computation_amount2 = 1000000;
36 const double communication_amount12 = 2000000;
37 const double communication_amount21 = 3000000;
38 INFO3("Computation time for %f flops on %s: %f", computation_amount1, name1,
39 SD_workstation_get_computation_time(w1, computation_amount1));
40 INFO3("Computation time for %f flops on %s: %f", computation_amount2, name2,
41 SD_workstation_get_computation_time(w2, computation_amount2));
43 INFO2("Route between %s and %s:", name1, name2);
44 SD_link_t *route = SD_workstation_route_get_list(w1, w2);
45 int route_size = SD_workstation_route_get_size(w1, w2);
46 for (i = 0; i < route_size; i++) {
47 INFO3("\tLink %s: latency = %f, bandwidth = %f", SD_link_get_name(route[i]),
48 SD_link_get_current_latency(route[i]), SD_link_get_current_bandwidth(route[i]));
50 INFO2("Route latency = %f, route bandwidth = %f", SD_workstation_route_get_latency(w1, w2),
51 SD_workstation_route_get_bandwidth(w1, w2));
52 INFO4("Communication time for %f bytes between %s and %s: %f", communication_amount12, name1, name2,
53 SD_workstation_route_get_communication_time(w1, w2, communication_amount12));
54 INFO4("Communication time for %f bytes between %s and %s: %f", communication_amount21, name2, name1,
55 SD_workstation_route_get_communication_time(w2, w1, communication_amount21));
58 /* creation of the tasks and their dependencies */
59 SD_task_t taskA = SD_task_create("Task A", NULL, 10.0);
60 SD_task_t taskB = SD_task_create("Task B", NULL, 40.0);
61 SD_task_t taskC = SD_task_create("Task C", NULL, 30.0);
62 SD_task_t taskD = SD_task_create("Task D", NULL, 60.0);
64 SD_task_dependency_add(NULL, NULL, taskB, taskA);
65 SD_task_dependency_add(NULL, NULL, taskC, taskA);
66 SD_task_dependency_add(NULL, NULL, taskD, taskB);
67 SD_task_dependency_add(NULL, NULL, taskD, taskC);
68 /* SD_task_dependency_add(NULL, NULL, taskA, taskD); /\* deadlock *\/ */
70 /* scheduling parameters */
72 const int workstation_number = 2;
73 /* const SD_workstation_t *workstation_list = SD_workstation_get_list();*/
74 const SD_workstation_t workstation_list[] = {w1, w2};
75 double computation_amount[] = {computation_amount1, computation_amount2};
76 double communication_amount[] =
78 0, communication_amount12,
79 communication_amount21, 0
84 SD_task_t task = taskD;
85 INFO2("Estimated time for '%s': %f", SD_task_get_name(task),
86 SD_task_get_execution_time(task, workstation_number, workstation_list,
87 computation_amount, communication_amount, rate));
89 /* let's launch the simulation! */
91 SD_task_schedule(taskA, workstation_number, workstation_list,
92 computation_amount, communication_amount, rate);
93 SD_task_schedule(taskB, workstation_number, workstation_list,
94 computation_amount, communication_amount, rate);
95 SD_task_schedule(taskC, workstation_number, workstation_list,
96 computation_amount, communication_amount, rate);
97 SD_task_schedule(taskD, workstation_number, workstation_list,
98 computation_amount, communication_amount, rate);
100 SD_task_watch(taskC, SD_DONE);
102 SD_task_t *changed_tasks;
104 changed_tasks = SD_simulate(0.001);
106 while (changed_tasks[0] != NULL) {
107 INFO0("Tasks whose state has changed:");
109 while(changed_tasks[i] != NULL) {
110 switch (SD_task_get_state(changed_tasks[i])) {
112 INFO1("%s is scheduled.", SD_task_get_name(changed_tasks[i]));
115 INFO1("%s is ready.", SD_task_get_name(changed_tasks[i]));
118 INFO1("%s is running.", SD_task_get_name(changed_tasks[i]));
121 INFO1("%s is done.", SD_task_get_name(changed_tasks[i]));
124 INFO1("%s is failed.", SD_task_get_name(changed_tasks[i]));
127 INFO1("Unknown status for %s", SD_task_get_name(changed_tasks[i]));
132 xbt_free(changed_tasks);
133 changed_tasks = SD_simulate(100);
136 xbt_free(changed_tasks);
138 DEBUG0("Destroying tasks...");
140 SD_task_destroy(taskA);
141 SD_task_destroy(taskB);
142 SD_task_destroy(taskC);
143 SD_task_destroy(taskD);
145 DEBUG0("Tasks destroyed. Exiting SimDag...");