コード例 #1
0
int main(int argc, char **argv)
{
  unsigned int ctr;
  SD_task_t task;
  xbt_dynar_t changed_tasks;

  SD_init(&argc, argv);
  xbt_assert(argc > 1, "Usage: %s platform_file\n\nExample: %s two_clusters.xml", argv[0], argv[0]);

  SD_create_environment(argv[1]);

  sg_host_t *hosts = sg_host_list();

  /* creation of some typed tasks and their dependencies */
  /* chain of five tasks, three compute tasks with two data transfers in between */
  SD_task_t taskA = SD_task_create_comp_seq("Task A", NULL, 5e9);
  SD_task_t taskB = SD_task_create_comm_e2e("Task B", NULL, 1e7);
  SD_task_t taskC = SD_task_create_comp_seq("Task C", NULL, 5e9);
  SD_task_t taskD = SD_task_create_comm_e2e("Task D", NULL, 1e7);
  SD_task_t taskE = SD_task_create_comp_seq("Task E", NULL, 5e9);

  SD_task_dependency_add(NULL, NULL, taskA, taskB);
  SD_task_dependency_add(NULL, NULL, taskB, taskC);
  SD_task_dependency_add(NULL, NULL, taskC, taskD);
  SD_task_dependency_add(NULL, NULL, taskD, taskE);

  /* Add watchpoints on completion of compute tasks */
  SD_task_watch(taskA, SD_DONE);
  SD_task_watch(taskC, SD_DONE);
  SD_task_watch(taskE, SD_DONE);

  /* Auto-schedule the compute tasks on three different workstations */
  /* Data transfer tasks taskB and taskD are automagically scheduled */
  SD_task_schedulel(taskA, 1, hosts[0]);
  SD_task_schedulel(taskC, 1, hosts[1]);
  SD_task_schedulel(taskE, 1, hosts[0]);
  while (!xbt_dynar_is_empty((changed_tasks = SD_simulate(-1.0)))) {
    XBT_INFO("Simulation stopped after %.4f seconds", SD_get_clock());
    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));
    }

    /* let throttle the communication for taskD if its parent is SD_DONE */
    /* the bandwidth is 1.25e8, the data size is 1e7, and we want to throttle the bandwidth by a factor 2.
     * The rate is then 1.25e8/(2*1e7)=6.25
     * Changing the rate is possible before the task execution starts (in SD_RUNNING state).
     */
    if (SD_task_get_state(taskC) == SD_DONE && SD_task_get_state(taskD) < SD_RUNNING)
      SD_task_set_rate(taskD, 6.25);
  }
コード例 #2
0
ファイル: sd_availability.c プロジェクト: R7R8/simgrid
int main(int argc, char **argv)
{
  unsigned int ctr;
  SD_task_t task;
  xbt_dynar_t changed_tasks;

  SD_init(&argc, argv);
  SD_create_environment(argv[1]);
  const sg_host_t *hosts = sg_host_list();

  SD_task_t t1 = SD_task_create_comp_seq("t1", NULL, 25000000);
  SD_task_t c1 = SD_task_create_comm_e2e("c1", NULL, 125000000);
  SD_task_t t2 = SD_task_create_comp_seq("t2", NULL, 25000000);
  SD_task_t c2 = SD_task_create_comm_e2e("c2", NULL, 62500000);
  SD_task_t t3 = SD_task_create_comp_seq("t3", NULL, 25000000);
  SD_task_t c3 = SD_task_create_comm_e2e("c3", NULL, 31250000);
  SD_task_t t4 = SD_task_create_comp_seq("t4", NULL, 25000000);

  /* Add dependencies: t1->c1->t2->c2->t3 */
  SD_task_dependency_add(NULL, NULL, t1, c1);
  SD_task_dependency_add(NULL, NULL, c1, t2);
  SD_task_dependency_add(NULL, NULL, t2, c2);
  SD_task_dependency_add(NULL, NULL, c2, t3);
  SD_task_dependency_add(NULL, NULL, t3, c3);
  SD_task_dependency_add(NULL, NULL, c3, t4);

  /* Schedule tasks t1 and w3 on first host, t2 on second host */
  /* Transfers are auto-scheduled */
  SD_task_schedulel(t1, 1, hosts[0]);
  SD_task_schedulel(t2, 1, hosts[1]);
  SD_task_schedulel(t3, 1, hosts[0]);
  SD_task_schedulel(t4, 1, hosts[1]);

  /* Add some watchpoint upon task completion */
  SD_task_watch(t1, SD_DONE);
  SD_task_watch(c1, SD_DONE);
  SD_task_watch(t2, SD_DONE);
  SD_task_watch(c2, SD_DONE);
  SD_task_watch(t3, SD_DONE);
  SD_task_watch(c3, SD_DONE);
  SD_task_watch(t4, SD_DONE);

  while (!xbt_dynar_is_empty((changed_tasks = SD_simulate(-1.0)))) {
    XBT_INFO("link1: bw=%.0f, lat=%f", SD_route_get_bandwidth(hosts[0], hosts[1]),
             SD_route_get_latency(hosts[0], hosts[1]));
    XBT_INFO("Jupiter: speed=%.0f", sg_host_speed(hosts[0])* sg_host_get_available_speed(hosts[0]));
    XBT_INFO("Tremblay: speed=%.0f", sg_host_speed(hosts[1])* sg_host_get_available_speed(hosts[1]));
    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));
      if (SD_task_get_state(task)==SD_DONE)
        SD_task_destroy(task);
    }
  }
コード例 #3
0
ファイル: goal_test.c プロジェクト: FlorianPO/simgrid
static void send_one(int from, int to) {
  //XBT_DEBUG("send_one(%d, %d)",from,to);

  if (count %100000 == 0)
    XBT_INFO("Sending task #%d",count);
  count++;

  bcast_task_t bt;
  if (!xbt_dynar_is_empty(reclaimed)) {
     bt = xbt_dynar_pop_as(reclaimed,bcast_task_t);
  } else {
    bt = xbt_new(s_bcast_task_t,1);
  }
  bt->i=from;
  bt->j=(from+to)/2;
  bt->k=to;

  SD_task_t task = SD_task_create_comm_e2e(NULL,bt,424242);

  XBT_DEBUG("Schedule task between %d and %d",bt->i,bt->j);
  SD_task_schedulel(task,2,ws_list[bt->i],ws_list[bt->j]);
  SD_task_watch(task,SD_DONE);
}
コード例 #4
0
ファイル: simdag_trace.c プロジェクト: apargupta/simgrid
int main(int argc, char **argv)
{
  int i;
  const char *platform_file;
  const SD_workstation_t *workstations;
  int kind;
  SD_task_t task, taskA, taskB, taskC;
  xbt_dynar_t changed_tasks;
  SD_workstation_t workstation_list[2];
  double computation_amount[2];
  double communication_amount[4] = { 0 };
  double rate = -1.0;
  SD_workstation_t w1, w2;

  /* SD initialization */
  SD_init(&argc, argv);

  /*  xbt_log_control_set("sd.thres=debug"); */

  if (argc < 2) {
    XBT_INFO("Usage: %s platform_file", argv[0]);
    XBT_INFO("example: %s sd_platform.xml", argv[0]);
    exit(1);
  }

  /* creation of the environment */
  platform_file = argv[1];
  SD_create_environment(platform_file);

  /* Change the access mode of the workstations */
  workstations = SD_workstation_get_list();
  w1 = workstations[0];
  w2 = workstations[1];
  for (i = 0; i < 2; i++) {
    SD_workstation_set_access_mode(workstations[i],
                                   SD_WORKSTATION_SEQUENTIAL_ACCESS);
    XBT_INFO("Access mode of %s is %s",
          SD_workstation_get_name(workstations[i]),
          (SD_workstation_get_access_mode(workstations[i]) ==
           SD_WORKSTATION_SEQUENTIAL_ACCESS) ? "sequential" : "shared");
  }

  /* creation of the tasks and their dependencies */
  taskA = SD_task_create_comp_seq("Task A", NULL, 2e9);
  taskB = SD_task_create_comm_e2e("Task B", NULL, 2e9);
  taskC = SD_task_create_comp_seq("Task C", NULL, 1e9);
  TRACE_category ("taskA");
  TRACE_category ("taskB");
  TRACE_category ("taskC");
  TRACE_sd_set_task_category (taskA, "taskA");
  TRACE_sd_set_task_category (taskB, "taskB");
  TRACE_sd_set_task_category (taskC, "taskC");

  /* if everything is ok, no exception is forwarded or rethrown by main() */

  /* watch points */
  SD_task_watch(taskA, SD_RUNNING);
  SD_task_watch(taskB, SD_RUNNING);
  SD_task_watch(taskC, SD_RUNNING);
  SD_task_watch(taskC, SD_DONE);


  /* scheduling parameters */
  workstation_list[0] = w1;
  workstation_list[1] = w2;
  computation_amount[0] = SD_task_get_amount(taskA);
  computation_amount[1] = SD_task_get_amount(taskB);

  communication_amount[1] = SD_task_get_amount(taskC);
  communication_amount[2] = 0.0;

  SD_task_schedule(taskA, 1, &w1,
                   &(computation_amount[0]), SD_SCHED_NO_COST, rate);
  SD_task_schedule(taskB, 2, workstation_list,
                   SD_SCHED_NO_COST, communication_amount, rate);
  SD_task_schedule(taskC, 1, &w1,
                   &(computation_amount[1]), SD_SCHED_NO_COST, rate);

  /* let's launch the simulation! */
  while (!xbt_dynar_is_empty(changed_tasks = SD_simulate(-1.0))) {
    for (i = 0; i < 2; i++) {
      task = SD_workstation_get_current_task(workstations[i]);
      if (task)
        kind = SD_task_get_kind(task);
      else {
        XBT_INFO("There is no task running on %s",
              SD_workstation_get_name(workstations[i]));
        continue;
      }

      switch (kind) {
      case SD_TASK_COMP_SEQ:
        XBT_INFO("%s is currently running on %s (SD_TASK_COMP_SEQ)",
              SD_task_get_name(task),
              SD_workstation_get_name(workstations[i]));
        break;
      case SD_TASK_COMM_E2E:
        XBT_INFO("%s is currently running on %s (SD_TASK_COMM_E2E)",
              SD_task_get_name(task),
              SD_workstation_get_name(workstations[i]));
        break;
      case SD_TASK_NOT_TYPED:
        XBT_INFO("Task running on %s has no type",
              SD_workstation_get_name(workstations[i]));
        break;
      default:
        XBT_ERROR("Shouldn't be here");
      }
    }
    xbt_dynar_free_container(&changed_tasks);
  }
  xbt_dynar_free_container(&changed_tasks);

  XBT_DEBUG("Destroying tasks...");

  SD_task_destroy(taskA);
  SD_task_destroy(taskB);
  SD_task_destroy(taskC);

  XBT_DEBUG("Tasks destroyed. Exiting SimDag...");

  SD_exit();
  return 0;
}
コード例 #5
0
ファイル: sd_seq_access.c プロジェクト: dhascome/simgrid
int main(int argc, char **argv)
{
  int i;
  const char *platform_file;
  const SD_workstation_t *workstations;
  SD_task_t taskA, taskB, taskC, taskD;
  xbt_dynar_t changed_tasks;

  /* initialization of SD */
  SD_init(&argc, argv);

  /*  xbt_log_control_set("sd.thres=debug"); */

  if (argc < 2) {
    XBT_INFO("Usage: %s platform_file", argv[0]);
    XBT_INFO("example: %s sd_platform.xml", argv[0]);
    exit(1);
  }

  /* creation of the environment */
  platform_file = argv[1];
  SD_create_environment(platform_file);

  /* Change the access mode of the workstations */
  workstations = SD_workstation_get_list();
  for (i = 0; i < 2; i++) {
    SD_workstation_dump(workstations[i]);
    
    SD_workstation_set_access_mode(workstations[i],
                                   SD_WORKSTATION_SEQUENTIAL_ACCESS);
    XBT_INFO(" Change access mode of %s to %s",
          SD_workstation_get_name(workstations[i]),
          (SD_workstation_get_access_mode(workstations[i]) ==
           SD_WORKSTATION_SEQUENTIAL_ACCESS) ? "sequential" : "shared");
  }
  /* Well I changed my mind, I want the second workstation to be shared */

  SD_workstation_set_access_mode(workstations[1],
                                     SD_WORKSTATION_SHARED_ACCESS);
  XBT_INFO(" Change access mode of %s to %s",
           SD_workstation_get_name(workstations[1]),
           (SD_workstation_get_access_mode(workstations[1]) ==
           SD_WORKSTATION_SEQUENTIAL_ACCESS) ? "sequential" : "shared");

  /* creation of the tasks and their dependencies */
  taskA = SD_task_create_comp_seq("Task A", NULL, 2e10);
  taskB = SD_task_create_comm_e2e("Task B", NULL, 2e8);
  taskC = SD_task_create_comp_seq("Task C", NULL, 1e10);
  taskD = SD_task_create_comp_seq("Task D", NULL, 1e11);

  SD_task_dependency_add("B->C", NULL,taskB, taskC);

  /* watch points */
  SD_task_watch(taskA, SD_RUNNING);
  SD_task_watch(taskB, SD_RUNNING);
  SD_task_watch(taskC, SD_RUNNING);
  SD_task_watch(taskC, SD_DONE);
  SD_task_watch(taskD, SD_DONE);


  /* scheduling parameters */
  SD_task_schedulel(taskA, 1, workstations[0]);
  SD_task_schedulel(taskB, 2, workstations[0], workstations[1]);
  SD_task_schedulel(taskC, 1, workstations[1]);
  SD_task_schedulel(taskD, 1, workstations[1]);

  /* let's launch the simulation! */
  while (!xbt_dynar_is_empty(changed_tasks = SD_simulate(-1.0))) {
    XBT_INFO(" Simulation was suspended, check workstation states"); 
    for (i = 0; i < 2; i++) {
      SD_workstation_dump(workstations[i]);
    }
    xbt_dynar_free(&changed_tasks);
  }
  xbt_dynar_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;
}
コード例 #6
0
ファイル: sd_test.cpp プロジェクト: fabienchaix/simgrid
int main(int argc, char **argv)
{
  sg_host_t host_list[2];
  double computation_amount[2];
  double communication_amount[4] = { 0 };

  /* initialization of SD */
  SD_init(&argc, argv);

  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);
  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]));
  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, static_cast<void*>(&comp_amount1));
  if (fabs(comp_amount1 - (*(static_cast<double*>(SD_task_get_data(taskA))))) > 1e-12)
      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, 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 (xbt_ex& ex) {
    if (ex.category != arg_error)
      throw;                  /* this is a serious error */
  }

  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 (xbt_ex& ex) {
    if (ex.category != arg_error)
      throw;
  }

  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 (xbt_ex& ex) {
    if (ex.category != arg_error)
      throw;
  }

  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 (xbt_ex& ex) {
    if (ex.category != arg_error)
      throw;
  }

  /* 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;

  communication_amount[1] = comm_amount12;
  communication_amount[2] = comm_amount21;

  /* estimated time */
  SD_task_t task = taskD;
  XBT_INFO("Estimated time for '%s': %f", SD_task_get_name(task), SD_task_get_execution_time(task, 2, host_list,
           computation_amount, communication_amount));

  SD_task_schedule(taskA, 2, host_list, computation_amount, communication_amount, -1);
  SD_task_schedule(taskB, 2, host_list, computation_amount, communication_amount, -1);
  SD_task_schedule(taskC, 2, host_list, computation_amount, communication_amount, -1);
  SD_task_schedule(taskD, 2, host_list, computation_amount, communication_amount, -1);

  std::set<SD_task_t> *changed_tasks = simgrid::sd::simulate(-1.0);
  for (auto task: *changed_tasks){
    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_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;
}
コード例 #7
0
int main(int argc, char **argv)
{
  unsigned int ctr;
  const char *platform_file;
  const SD_workstation_t *workstations;
  SD_task_t task, taskA, taskB, taskC, taskD, taskE;
  xbt_dynar_t changed_tasks;

  /* initialization of SD */
  SD_init(&argc, argv);

  /*  xbt_log_control_set("sd.thres=debug"); */

  if (argc < 2) {
    XBT_INFO("Usage: %s platform_file", argv[0]);
    XBT_INFO("example: %s sd_platform.xml", argv[0]);
    exit(1);
  }

  /* creation of the environment */
  platform_file = argv[1];
  SD_create_environment(platform_file);
 
  workstations = SD_workstation_get_list();

  /* creation of some typed tasks and their dependencies */
  /* chain of five tasks, three compute tasks with two data transfers */
  /* in between */
  taskA = SD_task_create_comp_seq("Task A", NULL, 5e9);
  taskB = SD_task_create_comm_e2e("Task B", NULL, 1e7);
  taskC = SD_task_create_comp_seq("Task C", NULL, 5e9);
  taskD = SD_task_create_comm_e2e("Task D", NULL, 1e7);
  taskE = SD_task_create_comp_seq("Task E", NULL, 5e9);

  SD_task_dependency_add(NULL, NULL, taskA, taskB);
  SD_task_dependency_add(NULL, NULL, taskB, taskC);
  SD_task_dependency_add(NULL, NULL, taskC, taskD);
  SD_task_dependency_add(NULL, NULL, taskD, taskE);

  /* Add watchpoints on completion of compute tasks */
  SD_task_watch(taskA, SD_DONE);
  SD_task_watch(taskC, SD_DONE);
  SD_task_watch(taskE, SD_DONE);

  /* Auto-schedule the compute tasks on three different workstations */
  /* Data transfer tasks taskB and taskD are automagically scheduled */
  SD_task_schedulel(taskA, 1, workstations[0]);
  SD_task_schedulel(taskC, 1, workstations[1]);
  SD_task_schedulel(taskE, 1, workstations[0]);
  while (!xbt_dynar_is_empty((changed_tasks = SD_simulate(-1.0)))) {
    XBT_INFO("Simulation stopped after %.4f seconds", SD_get_clock());
    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));
 
    }
    /* let throttle the communication for taskD if its parent is SD_DONE */
    /* the bandwidth is 1.25e8, the data size is 1e7, and we want to throttle
     * the bandwidth by a factor 2. the rate is then 1.25e8/(2*1e7)=6.25
     * Changing the rate is possible before the task execution starts (in SD_RUNNING
     * state).
     */
    if (SD_task_get_state(taskC) == SD_DONE && SD_task_get_state(taskD) < SD_RUNNING)
      SD_task_set_rate(taskD, 6.25);
    xbt_dynar_free_container(&changed_tasks);
  }
コード例 #8
0
ファイル: main.c プロジェクト: habibmot/EnsembleSched
int main(int argc, char **argv) {
  unsigned int flag, cursor, cursor2;
  char *platform_file = NULL, *daxname = NULL, *priority=NULL;
  int total_nworkstations = 0;
  const SD_workstation_t *workstations = NULL;
  xbt_dynar_t daxes = NULL, current_dax = NULL;
  int completed_daxes = 0;
  SD_task_t task;
  scheduling_globals_t globals;
  WorkstationAttribute attr;
  double total_cost = 0.0, score = 0.0;

  SD_init(&argc, argv);

  /* get rid off some logs that are useless */
  xbt_log_control_set("sd_daxparse.thresh:critical");
  xbt_log_control_set("surf_workstation.thresh:critical");
  xbt_log_control_set("root.fmt:[%9.3r]%e[%13c/%7p]%e%m%n");

  globals = new_scheduling_globals();

  daxes = xbt_dynar_new(sizeof(xbt_dynar_t), NULL);
  opterr = 0;

  while (1){
    static struct option long_options[] = {
        {"alg", 1, 0, 'a'},
        {"platform", 1, 0, 'b'},
        {"dax", 1, 0, 'c'},
        {"priority", 1, 0, 'd'},
        {"deadline", 1, 0, 'e'},
        {"budget", 1, 0, 'f'},
        {"price", 1, 0, 'g'},
        {"period", 1, 0, 'h'},
        {"uh", 1, 0, 'i'},
        {"ul", 1, 0, 'j'},
        {"provisioning_delay", 1, 0, 'k'},
        {"silent", 0, 0, 'y'},
        {"dump", 1, 0, 'z'},
        {0, 0, 0, 0}
    };

    int option_index = 0;
    flag = getopt_long (argc, argv, "",
                        long_options, &option_index);

    /* Detect the end of the options. */
    if (flag == -1)
      break;

    switch (flag) {
    case 0:
      /* If this option set a flag, do nothing else now. */
      if (long_options[option_index].flag != 0)
        break;
      printf ("option %s", long_options[option_index].name);
      if (optarg)
        printf (" with arg %s", optarg);
        printf ("\n");
      break;
    case 'a': /* Algorithm name */
      /* DPDS, WA-DPDS, SPSS, Ours*/
      globals->alg = getAlgorithmByName(optarg);
      break;
    case 'b':
      platform_file = optarg;
      SD_create_environment(platform_file);
      total_nworkstations = SD_workstation_get_number();
      workstations = SD_workstation_get_list();

      /* Sort the hosts by name for sake of simplicity */
      qsort((void *)workstations,total_nworkstations, sizeof(SD_workstation_t),
          nameCompareWorkstations);

      for(cursor=0; cursor<total_nworkstations; cursor++){
        SD_workstation_allocate_attribute(workstations[cursor]);
      }
      break;
    case 'c':
      /* List of DAGs to schedule concurrently (just file names here) */
      daxname = optarg;
      XBT_DEBUG("Loading %s", daxname);
      current_dax = SD_daxload(daxname);
      xbt_dynar_foreach(current_dax,cursor,task) {
        if (SD_task_get_kind(task) == SD_TASK_COMP_SEQ){
          SD_task_watch(task, SD_DONE);
        }
        SD_task_allocate_attribute(task);
        SD_task_set_dax_name(task, daxname);
      }
      xbt_dynar_push(daxes,&current_dax);
      break;
    case 'd':
      priority = optarg;
      if (!strcmp(priority,"random"))
        globals->priority_method = RANDOM;
      else if (!strcmp(priority, "sorted"))
        globals->priority_method = SORTED;
      else {
        XBT_ERROR("Unknown priority setting method.");
        exit(1);
      }
      break;
    case 'e':
      globals->deadline = atof(optarg);
      break;
    case 'f':
      globals->budget = atof(optarg);
      break;
    case 'g':
      globals->price = atof(optarg);
      break;
    case 'h':
      globals->period = atof(optarg);
      break;
    case 'i':
      globals->uh = atof(optarg);
      break;
    case 'j':
      globals->ul = atof(optarg);
      break;
    case 'k':
      globals->provisioning_delay = atof(optarg);
      break;
    case 'y':
      xbt_log_control_set("root.thresh:critical");
      break;
    case 'z':
      break;
    }
  }
  /* Display some information about the current run */
  XBT_INFO("Algorithm: %s",getAlgorithmName(globals->alg));
  XBT_INFO("  Priority method: %s",
      globals->priority_method ? "SORTED" : "RANDOM");
  XBT_INFO("  Dynamic provisioning period: %.0fs", globals->period);
  XBT_INFO("  Lower utilization threshold: %.2f%%", globals->ul);
  XBT_INFO("  Upper utilization threshold: %.2f%%", globals->uh);

  XBT_INFO("Platform: %s (%d potential VMs)", platform_file,
      SD_workstation_get_number());
  XBT_INFO("  VM hourly cost: $%f", globals->price);
  XBT_INFO("  VM provisioning delay: %.0fs", globals->provisioning_delay);
  if (ceil(globals->budget/((globals->deadline/3600.)*globals->price))>
      SD_workstation_get_number()){
    XBT_ERROR("The platform file doesn't have enough nodes. Stop here");
    exit(1);
  }
  /* Assign price and provisioning delay to workstation/VM (for the sake of
   * simplicity) */
  for(cursor=0; cursor<total_nworkstations; cursor++){
    SD_workstation_set_price(workstations[cursor], globals->price);
    SD_workstation_set_provisioning_delay(workstations[cursor],
        globals->provisioning_delay);
  }

  XBT_INFO("Ensemble: %lu DAXes", xbt_dynar_length(daxes));
  /* Assign priorities to the DAXes composing the ensemble according to the
   * chosen method: RANDOM (default) or SORTED.
   * Then display the result.
   */
  assign_dax_priorities(daxes, globals->priority_method);
  xbt_dynar_foreach(daxes, cursor, current_dax){
     task = get_root(current_dax);
     XBT_INFO("  %s", SD_task_get_dax_name(task));
     XBT_INFO("    Priority: %d", SD_task_get_dax_priority(task));
  }
コード例 #9
0
ファイル: sd_fail.c プロジェクト: fabienchaix/simgrid
int main(int argc, char **argv)
{
  double computation_amount[1];
  double communication_amount[2] = { 0 };
  sg_host_t hosts[1];

  /* initialization of SD */
  SD_init(&argc, argv);

  /* creation of the environment */
  SD_create_environment(argv[1]);

  /* creation of a single task that will poorly fail when the workstation will stop */
  XBT_INFO("First test: COMP_SEQ task");
  SD_task_t task = SD_task_create_comp_seq("Poor task", NULL, 2e10);
  SD_task_watch(task, SD_FAILED);
  SD_task_watch(task, SD_DONE);

  XBT_INFO("Schedule task '%s' on 'Faulty Host'", SD_task_get_name(task));

  SD_task_schedulel(task, 1, sg_host_by_name("Faulty Host"));

  xbt_dynar_t tasks = SD_simulate(-1.0);
  xbt_dynar_free(&tasks);

  SD_task_dump(task);

  XBT_INFO("Task '%s' has failed. %.f flops remain to be done", SD_task_get_name(task),
           SD_task_get_remaining_amount(task));

  XBT_INFO("let's unschedule task '%s' and reschedule it on the 'Safe Host'", SD_task_get_name(task));
  SD_task_unschedule(task);
  SD_task_schedulel(task, 1, sg_host_by_name("Safe Host"));

  XBT_INFO("Run the simulation again");
  tasks = SD_simulate(-1.0);
  xbt_dynar_free(&tasks);

  SD_task_dump(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_destroy(task);
  task=NULL;

  XBT_INFO("Second test: NON TYPED task");

  task = SD_task_create("Poor parallel task", NULL, 2e10);
  SD_task_watch(task, SD_FAILED);
  SD_task_watch(task, SD_DONE);

  computation_amount[0] = 2e10;

  XBT_INFO("Schedule task '%s' on 'Faulty Host'", SD_task_get_name(task));

  hosts[0] = sg_host_by_name("Faulty Host");
  SD_task_schedule(task, 1, hosts, computation_amount, communication_amount,-1);

  tasks = SD_simulate(-1.0);
  xbt_dynar_free(&tasks);

  SD_task_dump(task);

  XBT_INFO("Task '%s' has failed. %.f flops remain to be done", SD_task_get_name(task),
            SD_task_get_remaining_amount(task));

  XBT_INFO("let's unschedule task '%s' and reschedule it on the 'Safe Host'", SD_task_get_name(task));
  SD_task_unschedule(task);

  hosts[0] = sg_host_by_name("Safe Host");

  SD_task_schedule(task, 1, hosts, computation_amount, communication_amount,-1);

  XBT_INFO("Run the simulation again");
  tasks = SD_simulate(-1.0);
  xbt_dynar_free(&tasks);

  SD_task_dump(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_destroy(task);
  SD_exit();
  return 0;
}
コード例 #10
0
ファイル: sd_test.c プロジェクト: FlorianPO/simgrid
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"); */

  if (argc < 2) {
    XBT_INFO("Usage: %s platform_file", argv[0]);
    XBT_INFO("example: %s sd_platform.xml", argv[0]);
    exit(1);
  }

  /* creation of the environment */
  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 */
  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 */



  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);
  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) {
    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));
  }