X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/149eacb246aabe7926f62376466d558a102e7c24..539d5cccbc6baf033b0bc4b24c31d2875a79abf4:/examples/simdag/sd_test.c

diff --git a/examples/simdag/sd_test.c b/examples/simdag/sd_test.c
index b2c435ae9f..9910ac412a 100644
--- a/examples/simdag/sd_test.c
+++ b/examples/simdag/sd_test.c
@@ -8,45 +8,136 @@ 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");*/
+  xbt_log_control_set("sd.thres=debug");
 
   if (argc < 2) {
-     INFO1("Usage: %s platform_file", argv[0]);
-     INFO1("example: %s sd_platform.xml", 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];
+  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);
+  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));
+  xbt_free(route);
+
   /* 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 */
 
-  /* let's launch the simulation! */
+  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);
+  }
+
+
+  /* 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);
 
-  int workstation_number = 2;
-  const SD_workstation_t *workstation_list = SD_workstation_get_list();
-  double computation_amount[] = {100, 200};
+
+  /* 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);
@@ -57,49 +148,34 @@ int main(int argc, char **argv) {
   SD_task_schedule(taskD, workstation_number, workstation_list,
 		   computation_amount, communication_amount, rate);
 
-  SD_task_watch(taskC, SD_DONE);
-
   SD_task_t *changed_tasks;
-  int i;
 
-  changed_tasks = SD_simulate(0.001);
-  
-  while (changed_tasks[0] != NULL) {
-    INFO0("Tasks whose state has changed:");
-    i = 0;
-    while(changed_tasks[i] != NULL) {
-      switch (SD_task_get_state(changed_tasks[i])) {
-      case SD_SCHEDULED:
-	INFO1("%s is scheduled.", SD_task_get_name(changed_tasks[i]));
-	break;
-      case SD_READY:
-	INFO1("%s is ready.", SD_task_get_name(changed_tasks[i]));
-	break;
-      case SD_RUNNING:
-	INFO1("%s is running.", SD_task_get_name(changed_tasks[i]));
-	break;
-      case SD_DONE:
-	INFO1("%s is done.", SD_task_get_name(changed_tasks[i]));
-	break;
-      case SD_FAILED:
-	INFO1("%s is failed.", SD_task_get_name(changed_tasks[i]));
-	break;
-      default:
-	INFO1("Unknown status for %s", SD_task_get_name(changed_tasks[i]));
-	break;
-      }
-      i++;
-    }
-    free(changed_tasks);
-    changed_tasks = SD_simulate(100);
+  changed_tasks = SD_simulate(-1.0);
+  xbt_assert0(changed_tasks[0] == taskD &&
+	      changed_tasks[1] == taskB &&
+	      changed_tasks[2] == taskC &&
+	      changed_tasks[3] == NULL,
+	      "Unexpected simulation results");
+
+  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_free(changed_tasks);
 
-  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;
 }
+