/* 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 "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)
{
int i;
unsigned int ctr;
- const char *platform_file;
- const sg_host_t *workstations;
- const char *name1;
- const char *name2;
- double computation_amount1;
- double computation_amount2;
- double communication_amount12;
- double communication_amount21;
+ const sg_host_t *hosts;
+ const char *name1, *name2;
+ double comp_amount1, comp_amount2;
+ double comm_amount12, comm_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;
- sg_host_t workstation_list[2];
+ const int host_count = 2;
+ sg_host_t host_list[2];
double computation_amount[2];
double communication_amount[4] = { 0 };
double rate = -1.0;
- sg_host_t w1, w2;
+ sg_host_t h1, h2;
/* initialization of SD */
SD_init(&argc, argv);
- /* xbt_log_control_set("sd.thres=debug"); */
-
- xbt_assert(argc > 1, "Usage: %s platform_file\n"
- "\nExample: %s two_clusters.xml", argv[0], argv[0]);
-
- /* creation of the environment */
- platform_file = argv[1];
- SD_create_environment(platform_file);
+ 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 */
- workstations = sg_host_list();
- w1 = workstations[0];
- w2 = workstations[1];
- name1 = sg_host_get_name(w1);
- name2 = sg_host_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, computation_amount1/sg_host_speed(w1));
- XBT_INFO("Computation time for %f flops on %s: %f", computation_amount2,
- name2, computation_amount2/sg_host_speed(w2));
+ hosts = sg_host_list();
+ h1 = hosts[0];
+ h2 = hosts[1];
+ name1 = sg_host_get_name(h1);
+ name2 = sg_host_get_name(h2);
+ comp_amount1 = 2000000;
+ comp_amount2 = 1000000;
+ comm_amount12 = 2000000;
+ 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);
- route = SD_route_get_list(w1, w2);
- route_size = SD_route_get_size(w1, w2);
+ route = SD_route_get_list(h1, h2);
+ route_size = SD_route_get_size(h1, h2);
for (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]));
+ XBT_INFO(" Link %s: latency = %f, bandwidth = %f", sg_link_name(route[i]), sg_link_latency(route[i]),
+ sg_link_bandwidth(route[i]));
}
- XBT_INFO("Route latency = %f, route bandwidth = %f",
- SD_route_get_latency(w1, w2),
- SD_route_get_bandwidth(w1, w2));
- XBT_INFO("Communication time for %f bytes between %s and %s: %f",
- communication_amount12, name1, name2,
- SD_route_get_latency(w1, w2) +
- communication_amount12 / SD_route_get_bandwidth(w1, w2));
- XBT_INFO("Communication time for %f bytes between %s and %s: %f",
- communication_amount21, name2, name1,
- SD_route_get_latency(w2, w1) +
- communication_amount21 / SD_route_get_bandwidth(w2, w1));
+ 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 */
taskA = SD_task_create("Task A", NULL, 10.0);
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))))
+ 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, taskD, taskC);
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!");
xbt_ex_free(ex);
}
-
/* if everything is ok, no exception is forwarded or rethrown by main() */
/* watch points */
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;
+ host_list[0] = h1;
+ host_list[1] = h2;
+ computation_amount[0] = comp_amount1;
+ computation_amount[1] = comp_amount2;
- communication_amount[1] = communication_amount12;
- communication_amount[2] = communication_amount21;
+ communication_amount[1] = comm_amount12;
+ communication_amount[2] = comm_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);
- 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);
+ 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),
+ 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_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_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);
XBT_DEBUG("Tasks destroyed. Exiting SimDag...");
-
SD_exit();
return 0;
}
