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) {
12 const char * platform_file;
13 const SD_workstation_t *workstations;
16 double computation_amount1;
17 double computation_amount2;
18 double communication_amount12;
19 double communication_amount21;
20 const SD_link_t *route;
22 SD_task_t task, taskA, taskB, taskC, taskD;
23 SD_task_t *changed_tasks;
25 const int workstation_number = 2;
26 SD_workstation_t workstation_list[2];
27 double computation_amount[2];
28 double communication_amount[4] = {0};
30 SD_workstation_t w1, w2;
32 /* initialisation of SD */
35 /* xbt_log_control_set("sd.thres=debug"); */
38 INFO1("Usage: %s platform_file", argv[0]);
39 INFO1("example: %s sd_platform.xml", argv[0]);
43 /* creation of the environment */
44 platform_file = argv[1];
45 SD_create_environment(platform_file);
47 /* test the estimation functions */
48 workstations = SD_workstation_get_list();
51 SD_workstation_set_access_mode(w2, SD_WORKSTATION_SEQUENTIAL_ACCESS);
52 name1 = SD_workstation_get_name(w1);
53 name2 = SD_workstation_get_name(w2);
54 computation_amount1 = 2000000;
55 computation_amount2 = 1000000;
56 communication_amount12 = 2000000;
57 communication_amount21 = 3000000;
58 INFO3("Computation time for %f flops on %s: %f", computation_amount1, name1,
59 SD_workstation_get_computation_time(w1, computation_amount1));
60 INFO3("Computation time for %f flops on %s: %f", computation_amount2, name2,
61 SD_workstation_get_computation_time(w2, computation_amount2));
63 INFO2("Route between %s and %s:", name1, name2);
64 route = SD_route_get_list(w1, w2);
65 route_size = SD_route_get_size(w1, w2);
66 for (i = 0; i < route_size; i++) {
67 INFO3(" Link %s: latency = %f, bandwidth = %f", SD_link_get_name(route[i]),
68 SD_link_get_current_latency(route[i]), SD_link_get_current_bandwidth(route[i]));
70 INFO2("Route latency = %f, route bandwidth = %f", SD_route_get_current_latency(w1, w2),
71 SD_route_get_current_bandwidth(w1, w2));
72 INFO4("Communication time for %f bytes between %s and %s: %f", communication_amount12, name1, name2,
73 SD_route_get_communication_time(w1, w2, communication_amount12));
74 INFO4("Communication time for %f bytes between %s and %s: %f", communication_amount21, name2, name1,
75 SD_route_get_communication_time(w2, w1, communication_amount21));
77 /* creation of the tasks and their dependencies */
78 taskA = SD_task_create("Task A", NULL, 10.0);
79 taskB = SD_task_create("Task B", NULL, 40.0);
80 taskC = SD_task_create("Task C", NULL, 30.0);
81 taskD = SD_task_create("Task D", NULL, 60.0);
84 SD_task_dependency_add(NULL, NULL, taskB, taskA);
85 SD_task_dependency_add(NULL, NULL, taskC, taskA);
86 SD_task_dependency_add(NULL, NULL, taskD, taskB);
87 SD_task_dependency_add(NULL, NULL, taskD, taskC);
88 /* SD_task_dependency_add(NULL, NULL, taskA, taskD); /\* deadlock */
93 SD_task_dependency_add(NULL, NULL, taskA, taskA); /* shouldn't work and must raise an exception */
94 xbt_die("Hey, I can add a dependency between Task A and Task A!");
97 if (ex.category != arg_error)
98 RETHROW; /* this is a serious error */
103 SD_task_dependency_add(NULL, NULL, taskB, taskA); /* shouldn't work and must raise an exception */
104 xbt_die("Oh oh, I can add an already existing dependency!");
107 if (ex.category != arg_error)
113 SD_task_dependency_remove(taskA, taskC); /* shouldn't work and must raise an exception */
114 xbt_die("Dude, I can remove an unknown dependency!");
117 if (ex.category != arg_error)
123 SD_task_dependency_remove(taskC, taskC); /* shouldn't work and must raise an exception */
124 xbt_die("Wow, I can remove a dependency between Task C and itself!");
127 if (ex.category != arg_error)
133 /* if everything is ok, no exception is forwarded or rethrown by main() */
136 SD_task_watch(taskD, SD_DONE);
137 SD_task_watch(taskB, SD_DONE);
138 SD_task_unwatch(taskD, SD_DONE);
141 /* scheduling parameters */
142 workstation_list[0] = w1;
143 workstation_list[1] = w2;
144 computation_amount[0] = computation_amount1;
145 computation_amount[1] = computation_amount2;
147 communication_amount[1] = communication_amount12;
148 communication_amount[2] = communication_amount21;
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 changed_tasks = SD_simulate(-1.0);
168 for (i = 0; changed_tasks[i] != NULL; i++) {
169 INFO3("Task '%s' start time: %f, finish time: %f",
170 SD_task_get_name(changed_tasks[i]),
171 SD_task_get_start_time(changed_tasks[i]),
172 SD_task_get_finish_time(changed_tasks[i]));
175 xbt_assert0(changed_tasks[0] == taskD &&
176 changed_tasks[1] == taskB &&
177 changed_tasks[2] == NULL,
178 "Unexpected simulation results");
180 xbt_free(changed_tasks);
182 DEBUG0("Destroying tasks...");
184 SD_task_destroy(taskA);
185 SD_task_destroy(taskB);
186 SD_task_destroy(taskC);
187 SD_task_destroy(taskD);
189 DEBUG0("Tasks destroyed. Exiting SimDag...");