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[simgrid.git] / examples / simdag / sd_test.c
index e5f6f15..d288790 100644 (file)
@@ -1,3 +1,9 @@
+/* Copyright (c) 2006, 2007, 2008, 2009, 2010. 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 <stdio.h>
 #include <stdlib.h>
 #include "simdag/simdag.h"
 #include "xbt/log.h"
 
 XBT_LOG_NEW_DEFAULT_CATEGORY(sd_test,
-                            "Logging specific to this SimDag example");
+                             "Logging specific to this SimDag example");
 
-int main(int argc, char **argv) {
+int main(int argc, char **argv)
+{
   int i;
-  
-  /* initialisation of SD */
+  unsigned int ctr;
+  const char *platform_file;
+  const SD_workstation_t *workstations;
+  const char *name1;
+  const char *name2;
+  double computation_amount1;
+  double computation_amount2;
+  double communication_amount12;
+  double communication_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 workstation_number = 2;
+  SD_workstation_t workstation_list[2];
+  double computation_amount[2];
+  double communication_amount[4] = { 0 };
+  double rate = -1.0;
+  SD_workstation_t w1, w2;
+
+  /* initialization of SD */
   SD_init(&argc, argv);
 
-/*   xbt_log_control_set("sd_test.thres=debug"); */
-/*   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);
+    XBT_INFO("Usage: %s platform_file", argv[0]);
+    XBT_INFO("example: %s sd_platform.xml", argv[0]);
+    exit(1);
   }
 
   /* creation of the environment */
-  char * platform_file = argv[1];
+  platform_file = argv[1];
   SD_create_environment(platform_file);
 
-  /* test the estimation functions (use small_platform.xml) */
-  SD_workstation_t w1 = SD_workstation_get_by_name("Jupiter");
-  SD_workstation_t w2 = SD_workstation_get_by_name("Ginette");
-  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_workstation_route_get_list(w1, w2);
-  int route_size = SD_workstation_route_get_size(w1, w2);
+  /* test the estimation functions */
+  workstations = SD_workstation_get_list();
+  w1 = workstations[0];
+  w2 = workstations[1];
+  SD_workstation_set_access_mode(w2, SD_WORKSTATION_SEQUENTIAL_ACCESS);
+  name1 = SD_workstation_get_name(w1);
+  name2 = SD_workstation_get_name(w2);
+  computation_amount1 = 2000000;
+  computation_amount2 = 1000000;
+  communication_amount12 = 2000000;
+  communication_amount21 = 3000000;
+  XBT_INFO("Computation time for %f flops on %s: %f", computation_amount1,
+        name1, SD_workstation_get_computation_time(w1,
+                                                   computation_amount1));
+  XBT_INFO("Computation time for %f flops on %s: %f", computation_amount2,
+        name2, SD_workstation_get_computation_time(w2,
+                                                   computation_amount2));
+
+  XBT_INFO("Route between %s and %s:", name1, name2);
+  route = SD_route_get_list(w1, w2);
+  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]));
+    XBT_INFO("   Link %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_workstation_route_get_latency(w1, w2),
-       SD_workstation_route_get_bandwidth(w1, w2));
-  INFO4("Communication time for %f bytes between %s and %s: %f", communication_amount12, name1, name2,
-       SD_workstation_route_get_communication_time(w1, w2, communication_amount12));
-  INFO4("Communication time for %f bytes between %s and %s: %f", communication_amount21, name2, name1,
-       SD_workstation_route_get_communication_time(w2, w1, communication_amount21));
+  XBT_INFO("Route latency = %f, route bandwidth = %f",
+        SD_route_get_current_latency(w1, w2),
+        SD_route_get_current_bandwidth(w1, w2));
+  XBT_INFO("Communication time for %f bytes between %s and %s: %f",
+        communication_amount12, name1, name2,
+        SD_route_get_communication_time(w1, w2, communication_amount12));
+  XBT_INFO("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);
-  
+  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);
+
+
   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, taskA, taskD); /\* deadlock */
+
+
+
+  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);
+
 
   /* scheduling parameters */
+  workstation_list[0] = w1;
+  workstation_list[1] = w2;
+  computation_amount[0] = computation_amount1;
+  computation_amount[1] = computation_amount2;
 
-  const int workstation_number = 2;
-  /*  const SD_workstation_t *workstation_list = SD_workstation_get_list();*/
-  const SD_workstation_t workstation_list[] = {w1, w2};
-  double computation_amount[] = {computation_amount1, computation_amount2};
-  double communication_amount[] =
-    {
-      0, communication_amount12,
-      communication_amount21, 0
-    };
-  double rate = -1.0;
+  communication_amount[1] = communication_amount12;
+  communication_amount[2] = communication_amount21;
 
   /* 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));
+  task = taskD;
+  XBT_INFO("Estimated time for '%s': %f", SD_task_get_name(task),
+        SD_task_get_execution_time(task, workstation_number,
+                                   workstation_list, computation_amount,
+                                   communication_amount));
 
   /* let's launch the simulation! */
 
   SD_task_schedule(taskA, workstation_number, workstation_list,
-                  computation_amount, communication_amount, rate);
+                   computation_amount, communication_amount, rate);
   SD_task_schedule(taskB, workstation_number, workstation_list,
-                  computation_amount, communication_amount, rate);
+                   computation_amount, communication_amount, rate);
   SD_task_schedule(taskC, workstation_number, workstation_list,
-                  computation_amount, communication_amount, rate);
+                   computation_amount, communication_amount, rate);
   SD_task_schedule(taskD, workstation_number, workstation_list,
-                  computation_amount, communication_amount, rate);
-
-  SD_task_watch(taskC, SD_DONE);
-
-  SD_task_t *changed_tasks;
-
-  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);
+                   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_dynar_free_container(&changed_tasks);
 
-  DEBUG0("Destroying tasks...");
+  XBT_DEBUG("Destroying tasks...");
 
   SD_task_destroy(taskA);
   SD_task_destroy(taskB);
   SD_task_destroy(taskC);
   SD_task_destroy(taskD);
 
-  DEBUG0("Tasks destroyed. Exiting SimDag...");
+  XBT_DEBUG("Tasks destroyed. Exiting SimDag...");
 
   SD_exit();
   return 0;