#include <stdlib.h>
#include "simdag/simdag.h"
#include "xbt/ex.h"
+#include "xbt/log.h"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(sd_test,
+ "Logging specific to this SimDag example");
int main(int argc, char **argv) {
-
+ int i;
+
/* initialisation of SD */
SD_init(&argc, argv);
+ /* xbt_log_control_set("sd.thres=debug"); */
+
if (argc < 2) {
- printf ("Usage: %s platform_file\n", argv[0]);
- printf ("example: %s msg_platform.xml\n", argv[0]);
- exit(1);
+ INFO1("Usage: %s platform_file", argv[0]);
+ INFO1("example: %s sd_platform.xml", argv[0]);
+ exit(1);
}
/* creation of the environment */
- char * platform_file = argv[1];
+ const char * platform_file = argv[1];
SD_create_environment(platform_file);
+ /* test the estimation functions */
+ const SD_workstation_t *workstations = SD_workstation_get_list();
+ SD_workstation_t w1 = workstations[0];
+ SD_workstation_t w2 = workstations[1];
+ SD_workstation_set_access_mode(w2, SD_WORKSTATION_SEQUENTIAL_ACCESS);
+ const char *name1 = SD_workstation_get_name(w1);
+ const char *name2 = SD_workstation_get_name(w2);
+ const double computation_amount1 = 2000000;
+ const double computation_amount2 = 1000000;
+ const double communication_amount12 = 2000000;
+ const double communication_amount21 = 3000000;
+ INFO3("Computation time for %f flops on %s: %f", computation_amount1, name1,
+ SD_workstation_get_computation_time(w1, computation_amount1));
+ INFO3("Computation time for %f flops on %s: %f", computation_amount2, name2,
+ SD_workstation_get_computation_time(w2, computation_amount2));
+
+ INFO2("Route between %s and %s:", name1, name2);
+ const SD_link_t *route = SD_route_get_list(w1, w2);
+ int route_size = SD_route_get_size(w1, w2);
+ for (i = 0; i < route_size; i++) {
+ INFO3("\tLink %s: latency = %f, bandwidth = %f", SD_link_get_name(route[i]),
+ SD_link_get_current_latency(route[i]), SD_link_get_current_bandwidth(route[i]));
+ }
+ INFO2("Route latency = %f, route bandwidth = %f", SD_route_get_current_latency(w1, w2),
+ SD_route_get_current_bandwidth(w1, w2));
+ INFO4("Communication time for %f bytes between %s and %s: %f", communication_amount12, name1, name2,
+ SD_route_get_communication_time(w1, w2, communication_amount12));
+ INFO4("Communication time for %f bytes between %s and %s: %f", communication_amount21, name2, name1,
+ SD_route_get_communication_time(w2, w1, communication_amount21));
+
/* creation of the tasks and their dependencies */
SD_task_t taskA = SD_task_create("Task A", NULL, 10.0);
SD_task_t taskB = SD_task_create("Task B", NULL, 40.0);
SD_task_t taskC = SD_task_create("Task C", NULL, 30.0);
SD_task_t taskD = SD_task_create("Task D", NULL, 60.0);
+
SD_task_dependency_add(NULL, NULL, taskB, taskA);
SD_task_dependency_add(NULL, NULL, taskC, taskA);
SD_task_dependency_add(NULL, NULL, taskD, taskB);
SD_task_dependency_add(NULL, NULL, taskD, taskC);
/* SD_task_dependency_add(NULL, NULL, taskA, taskD); /\* deadlock */
- /* watch points */
- /* SD_task_watch(taskB, SD_DONE);*/
+ xbt_ex_t ex;
+ TRY {
+ SD_task_dependency_add(NULL, NULL, taskA, taskA); /* shouldn't work and must raise an exception */
+ xbt_die("Hey, I can add a dependency between Task A and Task A!");
+ }
+ CATCH (ex) {
+ if (ex.category != arg_error)
+ RETHROW; /* this is a serious error */
+ xbt_ex_free(ex);
+ }
+
+ TRY {
+ SD_task_dependency_add(NULL, NULL, taskB, taskA); /* shouldn't work and must raise an exception */
+ xbt_die("Oh oh, I can add an already existing dependency!");
+ }
+ CATCH (ex) {
+ if (ex.category != arg_error)
+ RETHROW;
+ xbt_ex_free(ex);
+ }
+
+ TRY {
+ SD_task_dependency_remove(taskA, taskC); /* shouldn't work and must raise an exception */
+ xbt_die("Dude, I can remove an unknown dependency!");
+ }
+ CATCH (ex) {
+ if (ex.category != arg_error)
+ RETHROW;
+ xbt_ex_free(ex);
+ }
+
+ TRY {
+ SD_task_dependency_remove(taskC, taskC); /* shouldn't work and must raise an exception */
+ xbt_die("Wow, I can remove a dependency between Task C and itself!");
+ }
+ CATCH (ex) {
+ if (ex.category != arg_error)
+ RETHROW;
+ xbt_ex_free(ex);
+ }
- /* let's launch the simulation! */
- int workstation_number = 2;
- SD_workstation_t *workstation_list = SD_workstation_get_list();
- double computation_amount[] = {100, 200};
+ /* if everything is ok, no exception is forwarded or rethrown by main() */
+
+ /* watch points */
+ SD_task_watch(taskD, SD_DONE);
+ SD_task_watch(taskB, SD_DONE);
+ SD_task_unwatch(taskD, SD_DONE);
+
+
+ /* scheduling parameters */
+
+ const int workstation_number = 2;
+ const SD_workstation_t workstation_list[] = {w1, w2};
+ double computation_amount[] = {computation_amount1, computation_amount2};
double communication_amount[] =
{
- 0, 30,
- 20, 0
+ 0, communication_amount12,
+ communication_amount21, 0
};
- double rate = 1;
+ double rate = -1.0;
+
+ /* estimated time */
+ SD_task_t task = taskD;
+ INFO2("Estimated time for '%s': %f", SD_task_get_name(task),
+ SD_task_get_execution_time(task, workstation_number, workstation_list,
+ computation_amount, communication_amount, rate));
+
+ /* let's launch the simulation! */
SD_task_schedule(taskA, workstation_number, workstation_list,
computation_amount, communication_amount, rate);
SD_task_schedule(taskD, workstation_number, workstation_list,
computation_amount, communication_amount, rate);
- printf("Launching simulation...\n");
- SD_task_t *changed_tasks = SD_simulate(100);
- int i = 0;
-
- printf("Simulation results:\n");
- while(changed_tasks[i] != NULL) {
- switch (SD_task_get_state(changed_tasks[i])) {
- case SD_SCHEDULED:
- printf("%s is scheduled.\n", SD_task_get_name(changed_tasks[i]));
- break;
- case SD_READY:
- printf("%s is ready.\n", SD_task_get_name(changed_tasks[i]));
- break;
- case SD_DONE:
- printf("%s is done.\n", SD_task_get_name(changed_tasks[i]));
- break;
- case SD_FAILED:
- printf("%s is failed.\n", SD_task_get_name(changed_tasks[i]));
- break;
- default:
- printf("Unknown status for %s\n", SD_task_get_name(changed_tasks[i]));
- break;
- }
- i++;
+ SD_task_t *changed_tasks;
+
+ changed_tasks = SD_simulate(-1.0);
+ for (i = 0; changed_tasks[i] != NULL; i++) {
+ INFO3("Task '%s' start time: %f, finish time: %f",
+ SD_task_get_name(changed_tasks[i]),
+ SD_task_get_start_time(changed_tasks[i]),
+ SD_task_get_finish_time(changed_tasks[i]));
}
+
+ xbt_assert0(changed_tasks[0] == taskD &&
+ changed_tasks[1] == taskB &&
+ changed_tasks[2] == NULL,
+ "Unexpected simulation results");
- free(changed_tasks);
+ xbt_free(changed_tasks);
+
+ DEBUG0("Destroying tasks...");
SD_task_destroy(taskA);
SD_task_destroy(taskB);
SD_task_destroy(taskC);
SD_task_destroy(taskD);
+
+ DEBUG0("Tasks destroyed. Exiting SimDag...");
+
SD_exit();
return 0;
}
+
