X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/87f40446646326cb07fe9d8f15034826c2fa9d19..908b9f3ec7a456cbe81371e494c857e8b6a6dc60:/examples/simdag/sd_test.c

diff --git a/examples/simdag/sd_test.c b/examples/simdag/sd_test.c
index 3c65b568ec..0c9d0654ef 100644
--- a/examples/simdag/sd_test.c
+++ b/examples/simdag/sd_test.c
@@ -1,92 +1,168 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include "simdag/simdag.h"
+/* Copyright (c) 2006-2015. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "simgrid/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;
+  unsigned int ctr;
+  const sg_host_t *hosts;
+  const char *name1, *name2;
+  double comp_amount1, comp_amount2;
+  double comm_amount12, comm_amount21;
+  const SD_link_t *route;
+  int route_size;
+  SD_task_t task, taskA, taskB, taskC, taskD, checkB, checkD;
+  xbt_dynar_t changed_tasks;
+  xbt_ex_t ex;
+  const int host_count = 2;
+  sg_host_t host_list[2];
+  double computation_amount[2];
+  double communication_amount[4] = { 0 };
+  double rate = -1.0;
+  sg_host_t h1, h2;
 
-int main(int argc, char **argv) {
-  
-  /* initialisation of SD */
+  /* initialization of SD */
   SD_init(&argc, argv);
 
-  if (argc < 2) {
-     printf ("Usage: %s platform_file\n", argv[0]);
-     printf ("example: %s msg_platform.xml\n", argv[0]);
-     exit(1);
-  }
+  xbt_assert(argc > 1, "Usage: %s platform_file\n\nExample: %s two_clusters.xml", argv[0], argv[0]);
+  SD_create_environment(argv[1]);
+
+  /* test the estimation functions */
+  hosts = sg_host_list();
+  h1 = hosts[0];
+  h2 = hosts[1];
+  name1 = sg_host_get_name(h1);
+  name2 = sg_host_get_name(h2);
+  comp_amount1 = 2000000;
+  comp_amount2 = 1000000;
+  comm_amount12 = 2000000;
+  comm_amount21 = 3000000;
+  XBT_INFO("Computation time for %f flops on %s: %f", comp_amount1, name1, comp_amount1/sg_host_speed(h1));
+  XBT_INFO("Computation time for %f flops on %s: %f", comp_amount2, name2, comp_amount2/sg_host_speed(h2));
 
-  /* creation of the environment */
-  char * platform_file = argv[1];
-  SD_create_environment(platform_file);
+  XBT_INFO("Route between %s and %s:", name1, name2);
+  route = SD_route_get_list(h1, h2);
+  route_size = SD_route_get_size(h1, h2);
+  for (i = 0; i < route_size; i++) {
+    XBT_INFO("   Link %s: latency = %f, bandwidth = %f", sg_link_name(route[i]), sg_link_latency(route[i]),
+             sg_link_bandwidth(route[i]));
+  }
+  XBT_INFO("Route latency = %f, route bandwidth = %f", SD_route_get_latency(h1, h2), SD_route_get_bandwidth(h1, h2));
+  XBT_INFO("Communication time for %f bytes between %s and %s: %f", comm_amount12, name1, name2,
+        SD_route_get_latency(h1, h2) + comm_amount12 / SD_route_get_bandwidth(h1, h2));
+  XBT_INFO("Communication time for %f bytes between %s and %s: %f", comm_amount21, name2, name1,
+        SD_route_get_latency(h2, h1) + comm_amount21 / SD_route_get_bandwidth(h2, h1));
 
   /* 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);
-  
+  taskA = SD_task_create("Task A", NULL, 10.0);
+  taskB = SD_task_create("Task B", NULL, 40.0);
+  taskC = SD_task_create("Task C", NULL, 30.0);
+  taskD = SD_task_create("Task D", NULL, 60.0);
+
+  /* try to attach and retrieve user data to a task */
+  SD_task_set_data(taskA, (void*) &comp_amount1);
+  if (comp_amount1 != (*((double*) SD_task_get_data(taskA))))
+      XBT_ERROR("User data was corrupted by a simple set/get");
+
   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 */
+  SD_task_dependency_add(NULL, NULL, taskB, taskC);
+
+  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(taskB, SD_DONE);*/
-
-
-  /* let's launch the simulation! */
-
-  int workstation_number = 2;
-  SD_workstation_t *workstation_list = SD_workstation_get_list();
-  double computation_amount[] = {100, 200};
-  double communication_amount[] =
-    {
-      0, 30,
-      20, 0
-    };
-  double rate = 1;
-
-  SD_task_schedule(taskA, workstation_number, workstation_list,
-		   computation_amount, communication_amount, rate);
-  SD_task_schedule(taskB, workstation_number, workstation_list,
-		   computation_amount, communication_amount, rate);
-  SD_task_schedule(taskC, 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_watch(taskD, SD_DONE);
+  SD_task_watch(taskB, SD_DONE);
+  SD_task_unwatch(taskD, SD_DONE);
+
+  /* scheduling parameters */
+  host_list[0] = h1;
+  host_list[1] = h2;
+  computation_amount[0] = comp_amount1;
+  computation_amount[1] = comp_amount2;
+
+  communication_amount[1] = comm_amount12;
+  communication_amount[2] = comm_amount21;
+
+  /* estimated time */
+  task = taskD;
+  XBT_INFO("Estimated time for '%s': %f", SD_task_get_name(task), SD_task_get_execution_time(task, host_count,
+           host_list, computation_amount, communication_amount));
+
+  SD_task_schedule(taskA, host_count, host_list, computation_amount, communication_amount, rate);
+  SD_task_schedule(taskB, host_count, host_list, computation_amount, communication_amount, rate);
+  SD_task_schedule(taskC, host_count, host_list, computation_amount, communication_amount, rate);
+  SD_task_schedule(taskD, host_count, host_list, computation_amount, communication_amount, rate);
+
+  changed_tasks = SD_simulate(-1.0);
+  xbt_dynar_foreach(changed_tasks, ctr, task) {
+    XBT_INFO("Task '%s' start time: %f, finish time: %f", SD_task_get_name(task),
+          SD_task_get_start_time(task), SD_task_get_finish_time(task));
   }
 
-  free(changed_tasks);
+  xbt_dynar_get_cpy(changed_tasks, 0, &checkD);
+  xbt_dynar_get_cpy(changed_tasks, 1, &checkB);
+
+  xbt_assert(checkD == taskD && checkB == taskB, "Unexpected simulation results");
 
+  XBT_DEBUG("Destroying tasks...");
   SD_task_destroy(taskA);
   SD_task_destroy(taskB);
   SD_task_destroy(taskC);
   SD_task_destroy(taskD);
+
+  XBT_DEBUG("Tasks destroyed. Exiting SimDag...");
   SD_exit();
   return 0;
 }