+/* Copyright (c) 2006-2014. 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) {
-
- /* initialisation of SD */
+int main(int argc, char **argv)
+{
+ int i;
+ 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.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 */
+ 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++) {
+ 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]));
+ }
+ 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);
+
+ /* try to attach and retrieve user data to a task */
+ SD_task_set_data(taskA, (void*) &computation_amount1);
+ if (computation_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 */
- /* let's launch the simulation! */
- int workstation_number = 2;
- const SD_workstation_t *workstation_list = SD_workstation_get_list();
- double computation_amount[] = {100, 200};
- double communication_amount[] =
- {
- 0, 30,
- 20, 0
- };
- double rate = 1;
+
+ 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;
+ 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);
+ computation_amount, communication_amount, rate);
- SD_task_watch(taskC, SD_DONE);
+ 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));
+ }
- SD_task_t *changed_tasks;
- int i;
+ xbt_dynar_get_cpy(changed_tasks, 0, &checkD);
+ xbt_dynar_get_cpy(changed_tasks, 1, &checkB);
- 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);
- }
+ xbt_assert(checkD == taskD &&
+ checkB == taskB, "Unexpected simulation results");
+
+ xbt_dynar_free_container(&changed_tasks);
- free(changed_tasks);
+ 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;
}