examples/simdag/sd_test.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include "simdag/simdag.h"
   4 #include "xbt/ex.h"
   5
   6 int main(int argc, char **argv) {
   7
   8   /* initialisation of SD */
   9   SD_init(&argc, argv);
  10
  11   if (argc < 2) {
  12      printf ("Usage: %s platform_file\n", argv[0]);
  13      printf ("example: %s msg_platform.xml\n", argv[0]);
  14      exit(1);
  15   }
  16
  17   /* creation of the environment */
  18   char * platform_file = argv[1];
  19   SD_create_environment(platform_file);
  20
  21   /* creation of the tasks and their dependencies */
  22   SD_task_t taskA = SD_task_create("Task A", NULL, 10.0);
  23   SD_task_t taskB = SD_task_create("Task B", NULL, 40.0);
  24   SD_task_t taskC = SD_task_create("Task C", NULL, 30.0);
  25   SD_task_t taskD = SD_task_create("Task D", NULL, 60.0);
  26
  27
  28   SD_task_dependency_add(NULL, NULL, taskB, taskA);
  29   SD_task_dependency_add(NULL, NULL, taskC, taskA);
  30   SD_task_dependency_add(NULL, NULL, taskD, taskB);
  31   SD_task_dependency_add(NULL, NULL, taskD, taskC);
  32   /*  SD_task_dependency_add(NULL, NULL, taskA, taskD); /\* deadlock */
  33
  34   /* if everything is ok, no exception is forwarded or rethrown by main() */
  35
  36   /* watch points */
  37   /*  SD_task_watch(taskB, SD_DONE);*/
  38
  39
  40   /* let's launch the simulation! */
  41
  42   int workstation_number = 2;
  43   SD_workstation_t *workstation_list = SD_workstation_get_list();
  44   double computation_amount[] = {100, 200};
  45   double communication_amount[] =
  46     {
  47       0, 30,
  48       20, 0
  49     };
  50   double rate = 1;
  51
  52   SD_task_schedule(taskA, workstation_number, workstation_list,
  53                    computation_amount, communication_amount, rate);
  54   SD_task_schedule(taskB, workstation_number, workstation_list,
  55                    computation_amount, communication_amount, rate);
  56   SD_task_schedule(taskC, workstation_number, workstation_list,
  57                    computation_amount, communication_amount, rate);
  58   SD_task_schedule(taskD, workstation_number, workstation_list,
  59                    computation_amount, communication_amount, rate);
  60
  61   printf("Launching simulation...\n");
  62   SD_task_t *changed_tasks = SD_simulate(100);
  63   int i = 0;
  64
  65   printf("Simulation results:\n");
  66   while(changed_tasks[i] != NULL) {
  67     switch (SD_task_get_state(changed_tasks[i])) {
  68     case SD_DONE:
  69       printf("%s is done.\n", SD_task_get_name(changed_tasks[i]));
  70       break;
  71     case SD_FAILED:
  72       printf("%s is failed.\n", SD_task_get_name(changed_tasks[i]));
  73       break;
  74     default:
  75       printf("Unknown status for %s\n", SD_task_get_name(changed_tasks[i]));
  76       break;
  77     }
  78     i++;
  79   }
  80   free(changed_tasks);
  81
  82   SD_task_destroy(taskA);
  83   SD_task_destroy(taskB);
  84   SD_task_destroy(taskC);
  85   SD_task_destroy(taskD);
  86   SD_exit();
  87   return 0;
  88 }