-#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");
+XBT_LOG_NEW_DEFAULT_CATEGORY(sd_test, "Logging specific to this SimDag example");
+
+int main(int argc, char **argv)
+{
+ unsigned int ctr;
+ SD_task_t 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;
-int main(int argc, char **argv) {
- int i;
-
- /* initialisation of SD */
+ /* initialization of SD */
SD_init(&argc, argv);
-/* xbt_log_control_set("sd_test.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_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 */
+ const sg_host_t *hosts = sg_host_list();
+ sg_host_t h1 = hosts[0];
+ sg_host_t h2 = hosts[1];
+ const char *name1 = sg_host_get_name(h1);
+ const char *name2 = sg_host_get_name(h2);
+ double comp_amount1 = 2000000;
+ double comp_amount2 = 1000000;
+ double comm_amount12 = 2000000;
+ double 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));
+
+ XBT_INFO("Route between %s and %s:", name1, name2);
+ const SD_link_t *route = SD_route_get_list(h1, h2);
+ int route_size = SD_route_get_size(h1, h2);
+ for (int 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]));
}
-
- /* creation of the environment */
- char * platform_file = argv[1];
- SD_create_environment(platform_file);
-
- /* test the estimation functions (use small_platform.xml) */
- const SD_workstation_t *workstations = SD_workstation_get_list();
- SD_workstation_t w1 = workstations[0];
- SD_workstation_t w2 = workstations[1];
- 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_route_get_list(w1, w2);
- int 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]));
- }
- 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));
- xbt_free(route);
+ 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);
-
+
+ /* 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(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;
- 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] = comm_amount12;
+ communication_amount[2] = comm_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));
-
- /* 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);
-
- 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++;
- }
- xbt_free(changed_tasks);
- changed_tasks = SD_simulate(100);
+ 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));
}
- xbt_free(changed_tasks);
+ xbt_dynar_get_cpy(changed_tasks, 0, &checkD);
+ xbt_dynar_get_cpy(changed_tasks, 1, &checkB);
- DEBUG0("Destroying tasks...");
+ 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);
- DEBUG0("Tasks destroyed. Exiting SimDag...");
-
+ XBT_DEBUG("Tasks destroyed. Exiting SimDag...");
SD_exit();
return 0;
}