+/* 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;
+ unsigned int ctr;
+ const char *platform_script;
+ 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.thres=debug"); */
+
+ if (argc < 2) {
+ INFO1("Usage: %s script_file", argv[0]);
+ INFO1("example: %s sd_platform_script.lua", argv[0]);
+ exit(1);
+ }
+
+ /* loading the environment */
+ platform_script = argv[1];
+ SD_load_environment_script(platform_script);
+
+ /* 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;
+ 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);
+ route = SD_route_get_list(w1, w2);
+ route_size = SD_route_get_size(w1, w2);
+ for (i = 0; i < route_size; i++) {
+ INFO3(" 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_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 */
+ 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 */
+
+
+
+ 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;
+
+ communication_amount[1] = communication_amount12;
+ communication_amount[2] = communication_amount21;
+
+ /* estimated time */
+ 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_foreach(changed_tasks, ctr, task){
+ INFO3("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));
+ }
+
+ xbt_dynar_get_cpy(changed_tasks, 0, &checkD);
+ xbt_dynar_get_cpy(changed_tasks, 1, &checkB);
+
+ xbt_assert0(checkD == taskD &&
+ 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;
+}
