2 See examples/platforms/metaxml.xml and examples/platforms/metaxml_platform.xml files for examples on how to use the cluster, foreach, set, route:multi, trace and trace:connect tags
6 #include "simdag/simdag.h"
13 XBT_LOG_NEW_DEFAULT_CATEGORY(sd_test,
14 "Logging specific to this SimDag example");
16 int main(int argc, char **argv) {
17 /* initialisation of SD */
20 /* xbt_log_control_set("sd.thres=debug"); */
23 INFO1("Usage: %s platform_file", argv[0]);
24 INFO1("example: %s sd_platform.xml", argv[0]);
28 /* creation of the environment */
29 const char * platform_file = argv[1];
30 SD_create_environment(platform_file);
32 /* test the estimation functions */
33 const SD_workstation_t *workstations = SD_workstation_get_list();
34 int ws_nr = SD_workstation_get_number();
36 SD_workstation_t w1 = NULL;
37 SD_workstation_t w2 = NULL;
38 const char *name1, *name2;
39 /* Show routes between all workstation */
41 for (i=0; i<ws_nr; i++){
42 for (j=0;j<ws_nr; j++){
45 name1 = SD_workstation_get_name(w1);
46 name2 = SD_workstation_get_name(w2);
47 INFO2("Route between %s and %s:", name1, name2);
48 const SD_link_t *route = SD_route_get_list(w1, w2);
49 int route_size = SD_route_get_size(w1, w2);
50 for (k = 0; k < route_size; k++) {
51 INFO3("\tLink %s: latency = %f, bandwidth = %f", SD_link_get_name(route[k]),
52 SD_link_get_current_latency(route[k]), SD_link_get_current_bandwidth(route[k]));
61 SD_workstation_set_access_mode(w2, SD_WORKSTATION_SEQUENTIAL_ACCESS);
62 name1 = SD_workstation_get_name(w1);
63 name2 = SD_workstation_get_name(w2);
65 const double computation_amount1 = 2000000;
66 const double computation_amount2 = 1000000;
67 const double communication_amount12 = 2000000;
68 const double communication_amount21 = 3000000;
69 INFO3("Computation time for %f flops on %s: %f", computation_amount1, name1,
70 SD_workstation_get_computation_time(w1, computation_amount1));
71 INFO3("Computation time for %f flops on %s: %f", computation_amount2, name2,
72 SD_workstation_get_computation_time(w2, computation_amount2));
74 /* creation of the tasks and their dependencies */
75 SD_task_t taskA = SD_task_create("Task A", NULL, 10.0);
76 SD_task_t taskB = SD_task_create("Task B", NULL, 40.0);
77 SD_task_t taskC = SD_task_create("Task C", NULL, 30.0);
78 SD_task_t taskD = SD_task_create("Task D", NULL, 60.0);
81 SD_task_dependency_add(NULL, NULL, taskB, taskA);
82 SD_task_dependency_add(NULL, NULL, taskC, taskA);
83 SD_task_dependency_add(NULL, NULL, taskD, taskB);
84 SD_task_dependency_add(NULL, NULL, taskD, taskC);
89 SD_task_dependency_add(NULL, NULL, taskA, taskA); /* shouldn't work and must raise an exception */
90 xbt_die("Hey, I can add a dependency between Task A and Task A!");
93 if (ex.category != arg_error)
95 RETHROW; /* this is a serious error */
100 SD_task_dependency_add(NULL, NULL, taskB, taskA); /* shouldn't work and must raise an exception */
101 xbt_die("Oh oh, I can add an already existing dependency!");
104 if (ex.category != arg_error)
110 SD_task_dependency_remove(taskA, taskC); /* shouldn't work and must raise an exception */
111 xbt_die("Dude, I can remove an unknown dependency!");
114 if (ex.category != arg_error)
120 SD_task_dependency_remove(taskC, taskC); /* shouldn't work and must raise an exception */
121 xbt_die("Wow, I can remove a dependency between Task C and itself!");
124 if (ex.category != arg_error)
130 /* if everything is ok, no exception is forwarded or rethrown by main() */
133 SD_task_watch(taskD, SD_DONE);
134 SD_task_watch(taskB, SD_DONE);
135 SD_task_unwatch(taskD, SD_DONE);
138 /* scheduling parameters */
140 const int workstation_number = 2;
141 const SD_workstation_t workstation_list[] = {w1, w2};
142 double computation_amount[] = {computation_amount1, computation_amount2};
143 double communication_amount[] =
145 0, communication_amount12,
146 communication_amount21, 0
151 SD_task_t task = taskD;
152 INFO2("Estimated time for '%s': %f", SD_task_get_name(task),
153 SD_task_get_execution_time(task, workstation_number, workstation_list,
154 computation_amount, communication_amount, rate));
156 /* let's launch the simulation! */
158 SD_task_schedule(taskA, workstation_number, workstation_list,
159 computation_amount, communication_amount, rate);
160 SD_task_schedule(taskB, workstation_number, workstation_list,
161 computation_amount, communication_amount, rate);
162 SD_task_schedule(taskC, workstation_number, workstation_list,
163 computation_amount, communication_amount, rate);
164 SD_task_schedule(taskD, workstation_number, workstation_list,
165 computation_amount, communication_amount, rate);
167 SD_task_t *changed_tasks;
169 changed_tasks = SD_simulate(-1.0);
170 for (i = 0; changed_tasks[i] != NULL; i++) {
171 INFO3("Task '%s' start time: %f, finish time: %f",
172 SD_task_get_name(changed_tasks[i]),
173 SD_task_get_start_time(changed_tasks[i]),
174 SD_task_get_finish_time(changed_tasks[i]));
177 xbt_assert0(changed_tasks[0] == taskD &&
178 changed_tasks[1] == taskB &&
179 changed_tasks[2] == NULL,
180 "Unexpected simulation results");
182 xbt_free(changed_tasks);
184 DEBUG0("Destroying tasks...");
186 SD_task_destroy(taskA);
187 SD_task_destroy(taskB);
188 SD_task_destroy(taskC);
189 SD_task_destroy(taskD);
191 DEBUG0("Tasks destroyed. Exiting SimDag...");