+/* 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/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;
+ const char *platform_file;
+
+ const SD_workstation_t *workstations;
+ SD_workstation_t w1;
+ SD_workstation_t w2;
+ const char *name1 = NULL;
+ const char *name2 = NULL;
+ const double computation_amount1 = 2000000;
+ const double computation_amount2 = 1000000;
+ const double communication_amount12 = 2000000;
+ const double communication_amount21 = 3000000;
+ const SD_link_t *route;
+ int route_size;
+ SD_task_t taskA;
+ SD_task_t taskB, checkB;
+ SD_task_t taskC, checkC;
+ SD_task_t taskD, checkD;
+ xbt_ex_t ex;
-int main(int argc, char **argv) {
-
- /* No deployment file
- if (argc < 3) {
- printf ("Usage: %s platform_file deployment_file\n", argv[0]);
- printf ("example: %s msg_platform.xml msg_deployment.xml\n", argv[0]);
- exit(1);
- }
- */
+ /* initialisation 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);
+ INFO1("Usage: %s platform_file", argv[0]);
+ INFO1("example: %s sd_platform.xml", argv[0]);
+ exit(1);
}
- /* initialisation of SD */
- SD_init(&argc, argv);
-
/* creation of the environment */
- char * platform_file = argv[1];
+
+ platform_file = argv[1];
+
SD_create_environment(platform_file);
- /* 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);
-
+ /* test the estimation functions (use small_platform.xml) */
+ workstations = SD_workstation_get_list();
- SD_task_dependency_add(NULL, NULL, taskA, taskB);
- SD_task_dependency_add(NULL, NULL, taskA, taskC);
- xbt_ex_t ex;
+ for(i=0 ; i < SD_workstation_get_number() ; i++)
+ {
+ INFO1("name : %s",SD_workstation_get_name(workstations[i]) );
+ }
+
+ w1 = workstations[0];
+ w2 = workstations[1];
+ name1 = SD_workstation_get_name(w1);
+ name2 = SD_workstation_get_name(w2);
+
+ route = SD_route_get_list(w1, w2);
+
+ route_size = SD_route_get_size(w1, w2);
+
+ 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);
+
+ 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);
+ 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));
+
+ /* creation of the tasks and their dependencies */
+
+ 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 */
TRY {
- SD_task_dependency_add(NULL, NULL, taskA, taskA); /* shouldn't work and must raise an exception */
+ SD_task_dependency_add(NULL, NULL, taskA, taskA); /* shouldn't work and must raise an exception */
xbt_assert0(0, "Hey, I can add a dependency between Task A and Task A!");
}
- CATCH (ex) {
+ CATCH(ex) {
}
-
+
TRY {
- SD_task_dependency_add(NULL, NULL, taskA, taskB); /* shouldn't work and must raise an exception */
+ SD_task_dependency_add(NULL, NULL, taskA, taskB); /* shouldn't work and must raise an exception */
xbt_assert0(0, "Oh oh, I can add an already existing dependency!");
}
- CATCH (ex) {
+ CATCH(ex) {
}
SD_task_dependency_remove(taskA, taskB);
TRY {
- SD_task_dependency_remove(taskC, taskA); /* shouldn't work and must raise an exception */
+ SD_task_dependency_remove(taskC, taskA); /* shouldn't work and must raise an exception */
xbt_assert0(0, "Dude, I can remove an unknown dependency!");
}
- CATCH (ex) {
+ CATCH(ex) {
}
TRY {
- SD_task_dependency_remove(taskC, taskC); /* shouldn't work and must raise an exception */
- xbt_assert0(0, "Wow, I can remove a dependency between Task C and itself!");
+ SD_task_dependency_remove(taskC, taskC); /* shouldn't work and must raise an exception */
+ xbt_assert0(0,
+ "Wow, I can remove a dependency between Task C and itself!");
}
- CATCH (ex) {
+ CATCH(ex) {
}
+
+
/* if everything is ok, no exception is forwarded or rethrown by main() */
/* watch points */
- /* SD_task_watch(taskA, SD_SCHEDULED);
- SD_task_watch(taskA, SD_DONE);
- SD_task_unwatch(taskA, SD_SCHEDULED);
- SD_task_watch(taskA, SD_DONE);
- SD_task_watch(taskA, SD_SCHEDULED);*/
-
- SD_task_watch(taskA, SD_SCHEDULED);
-
- /* 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
+ SD_task_watch(taskD, SD_DONE);
+ SD_task_watch(taskB, SD_DONE);
+ SD_task_unwatch(taskD, SD_DONE);
+
+
+ /* 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, communication_amount12,
+ communication_amount21, 0
};
- double rate = 1;
-
- /* printf("Scheduling task A (state = %d)...\n", SD_task_get_state(taskA));*/
- SD_task_schedule(taskA, workstation_number, workstation_list,
- computation_amount, communication_amount, rate);
- /* printf("Done. Task A state: %d\n", SD_task_get_state(taskA));*/
-
- printf("Launching simulation...\n");
- SD_simulate(100);
+ xbt_dynar_t changed_tasks;
+ 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));
+
+ /* let's launch the simulation! */
+
+ 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);
+
+ changed_tasks = SD_simulate(-1.0);
+
+ xbt_dynar_get_cpy(changed_tasks, 0, &checkD);
+ xbt_dynar_get_cpy(changed_tasks, 1, &checkC);
+ xbt_dynar_get_cpy(changed_tasks, 2, &checkB);
+
+ xbt_assert0(checkD == taskD &&
+ checkC == taskC &&
+ checkB == taskB, "Unexpected simulation results");
+
+ xbt_dynar_free_container(&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;
}
