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 sd_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   SD_task_dependency_add(NULL, NULL, taskB, taskA);
  28   SD_task_dependency_add(NULL, NULL, taskC, taskA);
  29   SD_task_dependency_add(NULL, NULL, taskD, taskB);
  30   SD_task_dependency_add(NULL, NULL, taskD, taskC);
  31   /*  SD_task_dependency_add(NULL, NULL, taskA, taskD); /\* deadlock */
  32
  33   /* watch points */
  34   /*  SD_task_watch(taskB, SD_DONE);*/
  35
  36
  37   /* let's launch the simulation! */
  38
  39   int workstation_number = 2;
  40   SD_workstation_t *workstation_list = SD_workstation_get_list();
  41   double computation_amount[] = {100, 200};
  42   double communication_amount[] =
  43     {
  44       0, 30,
  45       20, 0
  46     };
  47   double rate = 1;
  48
  49   SD_task_schedule(taskA, workstation_number, workstation_list,
  50                    computation_amount, communication_amount, rate);
  51   SD_task_schedule(taskB, workstation_number, workstation_list,
  52                    computation_amount, communication_amount, rate);
  53   SD_task_schedule(taskC, workstation_number, workstation_list,
  54                    computation_amount, communication_amount, rate);
  55   SD_task_schedule(taskD, workstation_number, workstation_list,
  56                    computation_amount, communication_amount, rate);
  57
  58   SD_task_watch(taskC, SD_DONE);
  59
  60   SD_task_t *changed_tasks;
  61   int i;
  62
  63   changed_tasks = SD_simulate(100);
  64
  65   while (changed_tasks[0] != NULL) {
  66     printf("Tasks whose state has changed:\n");
  67     i = 0;
  68     while(changed_tasks[i] != NULL) {
  69       switch (SD_task_get_state(changed_tasks[i])) {
  70       case SD_SCHEDULED:
  71         printf("%s is scheduled.\n", SD_task_get_name(changed_tasks[i]));
  72         break;
  73       case SD_READY:
  74         printf("%s is ready.\n", SD_task_get_name(changed_tasks[i]));
  75         break;
  76       case SD_RUNNING:
  77         printf("%s is running.\n", SD_task_get_name(changed_tasks[i]));
  78         break;
  79       case SD_DONE:
  80         printf("%s is done.\n", SD_task_get_name(changed_tasks[i]));
  81         break;
  82       case SD_FAILED:
  83         printf("%s is failed.\n", SD_task_get_name(changed_tasks[i]));
  84         break;
  85       default:
  86         printf("Unknown status for %s\n", SD_task_get_name(changed_tasks[i]));
  87         break;
  88       }
  89       i++;
  90     }
  91     free(changed_tasks);
  92     changed_tasks = SD_simulate(100);
  93   }
  94
  95   free(changed_tasks);
  96
  97   SD_task_destroy(taskA);
  98   SD_task_destroy(taskB);
  99   SD_task_destroy(taskC);
 100   SD_task_destroy(taskD);
 101   SD_exit();
 102   return 0;
 103 }