* under the terms of the license (GNU LGPL) which comes with this package. */
#include "src/surf/surf_interface.hpp"
+#include "src/surf/host_interface.hpp"
#include "src/simdag/simdag_private.h"
#include "simgrid/simdag.h"
#include "xbt/sysdep.h"
/* Reset the content */
task->kind = SD_TASK_NOT_TYPED;
- task->state_hookup.prev = NULL;
- task->state_hookup.next = NULL;
- task->state_set = sd_global->not_scheduled_task_set;
- xbt_swag_insert(task, task->state_set);
- task->state = SD_NOT_SCHEDULED;
- task->return_hookup.prev = NULL;
- task->return_hookup.next = NULL;
+ task->state= SD_NOT_SCHEDULED;
+ xbt_dynar_push(sd_global->initial_task_set,&task);
task->marked = 0;
*/
void SD_task_destroy(SD_task_t task)
{
+ int idx;
XBT_DEBUG("Destroying task %s...", SD_task_get_name(task));
__SD_task_remove_dependencies(task);
/* if the task was scheduled or runnable we have to free the scheduling parameters */
if (__SD_task_is_scheduled_or_runnable(task))
__SD_task_destroy_scheduling_data(task);
- if (task->state_set != NULL) /* would be null if just created */
- xbt_swag_remove(task, task->state_set);
- xbt_swag_remove(task, sd_global->return_set);
+ idx = xbt_dynar_search_or_negative(sd_global->return_set, &task);
+ if (idx >=0) {
+ xbt_dynar_remove_at(sd_global->return_set, idx, NULL);
+ }
xbt_free(task->name);
if (task->surf_action != NULL)
- task->surf_action->unref();
+ task->surf_action->unref();
xbt_free(task->workstation_list);
xbt_free(task->bytes_amount);
/* Changes the state of a task. Updates the swags and the flag sd_global->watch_point_reached.
*/
-void __SD_task_set_state(SD_task_t task, e_SD_task_state_t new_state)
+void SD_task_set_state(SD_task_t task, e_SD_task_state_t new_state)
{
- xbt_swag_remove(task, task->state_set);
+ int idx;
switch (new_state) {
case SD_NOT_SCHEDULED:
- task->state_set = sd_global->not_scheduled_task_set;
- break;
case SD_SCHEDULABLE:
- task->state_set = sd_global->schedulable_task_set;
+ if (SD_task_get_state(task) == SD_FAILED){
+ xbt_dynar_remove_at(sd_global->completed_task_set,
+ xbt_dynar_search(sd_global->completed_task_set, &task), NULL);
+ xbt_dynar_push(sd_global->initial_task_set,&task);
+ }
break;
case SD_SCHEDULED:
- task->state_set = sd_global->scheduled_task_set;
+ if (SD_task_get_state(task) == SD_RUNNABLE){
+ xbt_dynar_remove_at(sd_global->executable_task_set,
+ xbt_dynar_search(sd_global->executable_task_set, &task), NULL);
+ xbt_dynar_push(sd_global->initial_task_set,&task);
+ }
break;
case SD_RUNNABLE:
- task->state_set = sd_global->runnable_task_set;
- break;
- case SD_IN_FIFO:
- task->state_set = sd_global->in_fifo_task_set;
+ idx = xbt_dynar_search_or_negative(sd_global->initial_task_set, &task);
+ if (idx >= 0) {
+ xbt_dynar_remove_at(sd_global->initial_task_set, idx, NULL);
+ xbt_dynar_push(sd_global->executable_task_set,&task);
+ }
break;
case SD_RUNNING:
- task->state_set = sd_global->running_task_set;
- task->start_time = task->surf_action->getStartTime();
+ xbt_dynar_remove_at(sd_global->executable_task_set,
+ xbt_dynar_search(sd_global->executable_task_set, &task), NULL);
break;
case SD_DONE:
- task->state_set = sd_global->done_task_set;
+ xbt_dynar_push(sd_global->completed_task_set,&task);
task->finish_time = task->surf_action->getFinishTime();
task->remains = 0;
#ifdef HAVE_JEDULE
#endif
break;
case SD_FAILED:
- task->state_set = sd_global->failed_task_set;
+ xbt_dynar_push(sd_global->completed_task_set,&task);
break;
default:
xbt_die( "Invalid state");
}
- xbt_swag_insert(task, task->state_set);
+
task->state = new_state;
if (task->watch_points & new_state) {
return task->remains;
}
-int SD_task_get_kind(SD_task_t task)
+e_SD_task_kind_t SD_task_get_kind(SD_task_t task)
{
return task->kind;
}
char *statename;
XBT_INFO("Displaying task %s", SD_task_get_name(task));
- statename = bprintf("%s %s %s %s %s %s %s %s",
- (task->state == SD_NOT_SCHEDULED ? "not scheduled" :
+ statename = bprintf("%s%s%s%s%s%s%s",
+ (task->state == SD_NOT_SCHEDULED ? " not scheduled" :
""),
- (task->state == SD_SCHEDULABLE ? "schedulable" : ""),
- (task->state == SD_SCHEDULED ? "scheduled" : ""),
- (task->state == SD_RUNNABLE ? "runnable" :
- "not runnable"),
- (task->state == SD_IN_FIFO ? "in fifo" : ""),
- (task->state == SD_RUNNING ? "running" : ""),
- (task->state == SD_DONE ? "done" : ""),
- (task->state == SD_FAILED ? "failed" : ""));
- XBT_INFO(" - state: %s", statename);
+ (task->state == SD_SCHEDULABLE ? " schedulable" : ""),
+ (task->state == SD_SCHEDULED ? " scheduled" : ""),
+ (task->state == SD_RUNNABLE ? " runnable" :
+ " not runnable"),
+ (task->state == SD_RUNNING ? " running" : ""),
+ (task->state == SD_DONE ? " done" : ""),
+ (task->state == SD_FAILED ? " failed" : ""));
+ XBT_INFO(" - state:%s", statename);
free(statename);
if (task->kind != 0) {
int found = 0;
unsigned long i;
SD_dependency_t dependency;
+ e_SD_task_state_t state;
dynar = src->tasks_after;
length = xbt_dynar_length(dynar);
"Cannot add a dependency between task '%s' and itself",
SD_task_get_name(src));
- if (!__SD_task_is_not_scheduled(src) && !__SD_task_is_schedulable(src)
- && !__SD_task_is_scheduled_or_runnable(src) && !__SD_task_is_running(src))
+ state = SD_task_get_state(src);
+ if (state != SD_NOT_SCHEDULED && state != SD_SCHEDULABLE &&
+ state != SD_RUNNING && !__SD_task_is_scheduled_or_runnable(src))
THROWF(arg_error, 0,
- "Task '%s' must be SD_NOT_SCHEDULED, SD_SCHEDULABLE, SD_SCHEDULED or SD_RUNNABLE"
- " or SD_RUNNING",
- SD_task_get_name(src));
+ "Task '%s' must be SD_NOT_SCHEDULED, SD_SCHEDULABLE, SD_SCHEDULED,"
+ " SD_RUNNABLE or SD_RUNNING", SD_task_get_name(src));
- if (!__SD_task_is_not_scheduled(dst) && !__SD_task_is_schedulable(dst)
- && !__SD_task_is_scheduled_or_runnable(dst))
+ state = SD_task_get_state(dst);
+ if (state != SD_NOT_SCHEDULED && state != SD_SCHEDULABLE &&
+ !__SD_task_is_scheduled_or_runnable(dst))
THROWF(arg_error, 0,
- "Task '%s' must be SD_NOT_SCHEDULED, SD_SCHEDULABLE, SD_SCHEDULED or SD_RUNNABLE",
- SD_task_get_name(dst));
+ "Task '%s' must be SD_NOT_SCHEDULED, SD_SCHEDULABLE, SD_SCHEDULED,"
+ "or SD_RUNNABLE", SD_task_get_name(dst));
XBT_DEBUG("SD_task_dependency_add: src = %s, dst = %s",
SD_task_get_name(src), SD_task_get_name(dst));
/* if the task was runnable, then dst->tasks_before is not empty anymore,
so we must go back to state SD_SCHEDULED */
- if (__SD_task_is_runnable(dst)) {
+ if (SD_task_get_state(dst) == SD_RUNNABLE) {
XBT_DEBUG
("SD_task_dependency_add: %s was runnable and becomes scheduled!",
SD_task_get_name(dst));
- __SD_task_set_state(dst, SD_SCHEDULED);
+ SD_task_set_state(dst, SD_SCHEDULED);
}
}
/**
/* if the task was scheduled and dst->tasks_before is empty now, we can make it runnable */
if (dst->unsatisfied_dependencies == 0) {
- if (__SD_task_is_scheduled(dst))
- __SD_task_set_state(dst, SD_RUNNABLE);
+ if (SD_task_get_state(dst) == SD_SCHEDULED)
+ SD_task_set_state(dst, SD_RUNNABLE);
else
- __SD_task_set_state(dst, SD_SCHEDULABLE);
+ SD_task_set_state(dst, SD_SCHEDULABLE);
}
if (dst->is_not_ready == 0)
- __SD_task_set_state(dst, SD_SCHEDULABLE);
+ SD_task_set_state(dst, SD_SCHEDULABLE);
/* __SD_print_dependencies(src);
__SD_print_dependencies(dst); */
return dependency->data;
}
-/* temporary function for debugging */
-static void __SD_print_watch_points(SD_task_t task)
-{
- static const int state_masks[] =
- { SD_SCHEDULABLE, SD_SCHEDULED, SD_RUNNING, SD_RUNNABLE, SD_DONE,
- SD_FAILED
- };
- static const char *state_names[] =
- { "schedulable", "scheduled", "running", "runnable", "done",
- "failed"
- };
- int i;
-
- XBT_INFO("Task '%s' watch points (%x): ", SD_task_get_name(task),
- task->watch_points);
-
-
- for (i = 0; i < 5; i++) {
- if (task->watch_points & state_masks[i])
- XBT_INFO("%s ", state_names[i]);
- }
-}
-
/**
* \brief Adds a watch point to a task
*
"Cannot add a watch point for state SD_NOT_SCHEDULED");
task->watch_points = task->watch_points | state;
- /* __SD_print_watch_points(task); */
}
/**
"SimDag error: Cannot have a watch point for state SD_NOT_SCHEDULED");
task->watch_points = task->watch_points & ~state;
- /* __SD_print_watch_points(task); */
}
/**
static XBT_INLINE void SD_task_do_schedule(SD_task_t task)
{
- if (!__SD_task_is_not_scheduled(task) && !__SD_task_is_schedulable(task))
+ if (SD_task_get_state(task) > SD_SCHEDULABLE)
THROWF(arg_error, 0, "Task '%s' has already been scheduled",
SD_task_get_name(task));
/* update the task state */
if (task->unsatisfied_dependencies == 0)
- __SD_task_set_state(task, SD_RUNNABLE);
+ SD_task_set_state(task, SD_RUNNABLE);
else
- __SD_task_set_state(task, SD_SCHEDULED);
+ SD_task_set_state(task, SD_SCHEDULED);
}
/**
*/
void SD_task_unschedule(SD_task_t task)
{
- if (task->state_set != sd_global->scheduled_task_set &&
- task->state_set != sd_global->runnable_task_set &&
- task->state_set != sd_global->running_task_set &&
- task->state_set != sd_global->failed_task_set)
+ if (task->state != SD_SCHEDULED &&
+ task->state != SD_RUNNABLE &&
+ task->state != SD_RUNNING &&
+ task->state != SD_FAILED)
THROWF(arg_error, 0,
"Task %s: the state must be SD_SCHEDULED, SD_RUNNABLE, SD_RUNNING or SD_FAILED",
SD_task_get_name(task));
task->workstation_nb = 0;
}
- if (__SD_task_is_running(task)) /* the task should become SD_FAILED */
- task->surf_action->cancel();
+ if (SD_task_get_state(task) == SD_RUNNING)
+ /* the task should become SD_FAILED */
+ task->surf_action->cancel();
else {
if (task->unsatisfied_dependencies == 0)
- __SD_task_set_state(task, SD_SCHEDULABLE);
+ SD_task_set_state(task, SD_SCHEDULABLE);
else
- __SD_task_set_state(task, SD_NOT_SCHEDULED);
+ SD_task_set_state(task, SD_NOT_SCHEDULED);
}
task->remains = task->amount;
task->start_time = -1.0;
*/
static void __SD_task_destroy_scheduling_data(SD_task_t task)
{
- if (!__SD_task_is_scheduled_or_runnable(task)
- && !__SD_task_is_in_fifo(task))
+ if (!__SD_task_is_scheduled_or_runnable(task))
THROWF(arg_error, 0,
- "Task '%s' must be SD_SCHEDULED, SD_RUNNABLE or SD_IN_FIFO",
+ "Task '%s' must be SD_SCHEDULED or SD_RUNNABLE",
SD_task_get_name(task));
xbt_free(task->flops_amount);
* the task doesn't have to wait in FIFOs. Otherwise, it is called by
* __SD_task_just_done when the task gets out of its FIFOs.
*/
-void __SD_task_really_run(SD_task_t task)
+void SD_task_run(SD_task_t task)
{
int i;
sg_host_t *hosts;
- xbt_assert(__SD_task_is_runnable_or_in_fifo(task),
- "Task '%s' is not runnable or in a fifo! Task state: %d",
+ xbt_assert(SD_task_get_state(task) == SD_RUNNABLE,
+ "Task '%s' is not runnable! Task state: %d",
SD_task_get_name(task), (int)SD_task_get_state(task));
xbt_assert(task->workstation_list != NULL,
"Task '%s': workstation_list is NULL!",
SD_task_get_name(task));
- XBT_DEBUG("Really running task '%s'", SD_task_get_name(task));
- int host_nb = task->workstation_nb;
-
- /* set this task as current task for the workstations in sequential mode */
- for (i = 0; i < host_nb; i++) {
- if (SD_workstation_get_access_mode(task->workstation_list[i]) ==
- SD_WORKSTATION_SEQUENTIAL_ACCESS) {
- sg_host_sd(task->workstation_list[i])->current_task = task;
- xbt_assert(__SD_workstation_is_busy(task->workstation_list[i]),
- "The workstation should be busy now");
- }
- }
-
- XBT_DEBUG("Task '%s' set as current task for its workstations",
- SD_task_get_name(task));
-
- /* start the task */
+ XBT_DEBUG("Running task '%s'", SD_task_get_name(task));
/* Copy the elements of the task into the action */
+ int host_nb = task->workstation_nb;
hosts = xbt_new(sg_host_t, host_nb);
for (i = 0; i < host_nb; i++)
double *flops_amount = xbt_new0(double, host_nb);
double *bytes_amount = xbt_new0(double, host_nb * host_nb);
-
if(task->flops_amount)
- memcpy(flops_amount, task->flops_amount, sizeof(double) *
- host_nb);
+ memcpy(flops_amount, task->flops_amount, sizeof(double) * host_nb);
if(task->bytes_amount)
memcpy(bytes_amount, task->bytes_amount,
sizeof(double) * host_nb * host_nb);
- task->surf_action = surf_host_model_execute_parallel_task((surf_host_model_t)surf_host_model,
- host_nb,
- hosts,
- flops_amount,
- bytes_amount,
- task->rate);
+ task->surf_action = surf_host_model->executeParallelTask(
+ host_nb, hosts, flops_amount, bytes_amount, task->rate);
task->surf_action->setData(task);
TRACE_surf_action(task->surf_action, task->category);
__SD_task_destroy_scheduling_data(task); /* now the scheduling data are not useful anymore */
- __SD_task_set_state(task, SD_RUNNING);
- xbt_assert(__SD_task_is_running(task), "Bad state of task '%s': %d",
- SD_task_get_name(task), (int)SD_task_get_state(task));
-
-}
-
-/* Tries to run a task. This function is called by SD_simulate() when a
- * scheduled task becomes SD_RUNNABLE (i.e., when its dependencies are
- * satisfied).
- * If one of the workstations where the task is scheduled on is busy (in
- * sequential mode), the task doesn't start.
- * Returns whether the task has started.
- */
-int __SD_task_try_to_run(SD_task_t task)
-{
-
- int can_start = 1;
- int i;
- SD_workstation_t workstation;
-
- xbt_assert(__SD_task_is_runnable(task),
- "Task '%s' is not runnable! Task state: %d",
+ SD_task_set_state(task, SD_RUNNING);
+ xbt_assert(SD_task_get_state(task) == SD_RUNNING,
+ "Bad state of task '%s': %d",
SD_task_get_name(task), (int)SD_task_get_state(task));
-
- for (i = 0; i < task->workstation_nb; i++) {
- can_start = can_start &&
- !__SD_workstation_is_busy(task->workstation_list[i]);
- }
-
- XBT_DEBUG("Task '%s' can start: %d", SD_task_get_name(task), can_start);
-
- if (!can_start) { /* if the task cannot start and is not in the FIFOs yet */
- for (i = 0; i < task->workstation_nb; i++) {
- workstation = task->workstation_list[i];
- if (sg_host_sd(workstation)->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) {
- XBT_DEBUG("Pushing task '%s' in the FIFO of workstation '%s'",
- SD_task_get_name(task),
- SD_workstation_get_name(workstation));
- xbt_fifo_push(sg_host_sd(workstation)->task_fifo, task);
- }
- }
- __SD_task_set_state(task, SD_IN_FIFO);
- xbt_assert(__SD_task_is_in_fifo(task), "Bad state of task '%s': %d",
- SD_task_get_name(task), (int)SD_task_get_state(task));
- XBT_DEBUG("Task '%s' state is now SD_IN_FIFO", SD_task_get_name(task));
- } else {
- __SD_task_really_run(task);
- }
-
- return can_start;
-}
-
-/* This function is called by SD_simulate when a task is done.
- * It updates task->state and task->action and executes if necessary the tasks
- * which were waiting in FIFOs for the end of `task'
- */
-void __SD_task_just_done(SD_task_t task)
-{
- int i, j;
- SD_workstation_t workstation;
-
- SD_task_t candidate;
- int candidate_nb = 0;
- int candidate_capacity = 8;
- SD_task_t *candidates;
- int can_start = 1;
-
- xbt_assert(__SD_task_is_running(task),
- "The task must be running! Task state: %d",
- (int)SD_task_get_state(task));
- xbt_assert(task->workstation_list != NULL,
- "Task '%s': workstation_list is NULL!",
- SD_task_get_name(task));
-
-
- candidates = xbt_new(SD_task_t, 8);
-
- __SD_task_set_state(task, SD_DONE);
- task->surf_action->unref();
- task->surf_action = NULL;
-
- XBT_DEBUG("Looking for candidates");
-
- /* if the task was executed on sequential workstations,
- maybe we can execute the next task of the FIFO for each workstation */
- for (i = 0; i < task->workstation_nb; i++) {
- workstation = task->workstation_list[i];
- XBT_DEBUG("Workstation '%s': access_mode = %d",
- SD_workstation_get_name(workstation), (int)sg_host_sd(workstation)->access_mode);
- if (sg_host_sd(workstation)->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) {
- xbt_assert(sg_host_sd(workstation)->task_fifo != NULL,
- "Workstation '%s' has sequential access but no FIFO!",
- SD_workstation_get_name(workstation));
- xbt_assert(sg_host_sd(workstation)->current_task =
- task, "Workstation '%s': current task should be '%s'",
- SD_workstation_get_name(workstation),
- SD_task_get_name(task));
-
- /* the task is over so we can release the workstation */
- sg_host_sd(workstation)->current_task = NULL;
-
- XBT_DEBUG("Getting candidate in FIFO");
- candidate = (SD_task_t)
- xbt_fifo_get_item_content(xbt_fifo_get_first_item
- (sg_host_sd(workstation)->task_fifo));
-
- if (candidate != NULL) {
- XBT_DEBUG("Candidate: '%s'", SD_task_get_name(candidate));
- xbt_assert(__SD_task_is_in_fifo(candidate),
- "Bad state of candidate '%s': %d",
- SD_task_get_name(candidate),
- (int)SD_task_get_state(candidate));
- }
-
- XBT_DEBUG("Candidate in fifo: %p", candidate);
-
- /* if there was a task waiting for my place */
- if (candidate != NULL) {
- /* Unfortunately, we are not sure yet that we can execute the task now,
- because the task can be waiting more deeply in some other
- workstation's FIFOs ...
- So we memorize all candidate tasks, and then we will check for each
- candidate whether or not all its workstations are available. */
-
- /* realloc if necessary */
- if (candidate_nb == candidate_capacity) {
- candidate_capacity *= 2;
- candidates = (SD_task_t*)
- xbt_realloc(candidates,
- sizeof(SD_task_t) * candidate_capacity);
- }
-
- /* register the candidate */
- candidates[candidate_nb++] = candidate;
- candidate->fifo_checked = 0;
- }
- }
- }
-
- XBT_DEBUG("Candidates found: %d", candidate_nb);
-
- /* now we check every candidate task */
- for (i = 0; i < candidate_nb; i++) {
- candidate = candidates[i];
-
- if (candidate->fifo_checked) {
- continue; /* we have already evaluated that task */
- }
-
- xbt_assert(__SD_task_is_in_fifo(candidate),
- "Bad state of candidate '%s': %d",
- SD_task_get_name(candidate), (int)SD_task_get_state(candidate));
-
- for (j = 0; j < candidate->workstation_nb && can_start; j++) {
- workstation = candidate->workstation_list[j];
-
- /* I can start on this workstation if the workstation is shared
- or if I am the first task in the FIFO */
- can_start = sg_host_sd(workstation)->access_mode == SD_WORKSTATION_SHARED_ACCESS
- || candidate ==
- xbt_fifo_get_item_content(xbt_fifo_get_first_item
- (sg_host_sd(workstation)->task_fifo));
- }
-
- XBT_DEBUG("Candidate '%s' can start: %d", SD_task_get_name(candidate),
- can_start);
-
- /* now we are sure that I can start! */
- if (can_start) {
- for (j = 0; j < candidate->workstation_nb && can_start; j++) {
- workstation = candidate->workstation_list[j];
-
- /* update the FIFO */
- if (sg_host_sd(workstation)->access_mode == SD_WORKSTATION_SEQUENTIAL_ACCESS) {
- candidate = (SD_task_t)xbt_fifo_shift(sg_host_sd(workstation)->task_fifo); /* the return value is stored just for debugging */
- XBT_DEBUG("Head of the FIFO: '%s'",
- (candidate !=
- NULL) ? SD_task_get_name(candidate) : "NULL");
- xbt_assert(candidate == candidates[i],
- "Error in __SD_task_just_done: bad first task in the FIFO");
- }
- } /* for each workstation */
-
- /* finally execute the task */
- XBT_DEBUG("Task '%s' state: %d", SD_task_get_name(candidate),
- (int)SD_task_get_state(candidate));
- __SD_task_really_run(candidate);
-
- XBT_DEBUG
- ("Calling __SD_task_is_running: task '%s', state set: %p, running_task_set: %p, is running: %d",
- SD_task_get_name(candidate), candidate->state_set,
- sd_global->running_task_set, __SD_task_is_running(candidate));
- xbt_assert(__SD_task_is_running(candidate),
- "Bad state of task '%s': %d",
- SD_task_get_name(candidate),
- (int)SD_task_get_state(candidate));
- XBT_DEBUG("Okay, the task is running.");
-
- } /* can start */
- candidate->fifo_checked = 1;
- } /* for each candidate */
-
- xbt_free(candidates);
}
/*
before->workstation_list[1] = task->workstation_list[0];
if (before->workstation_list[0] &&
- (__SD_task_is_schedulable(before)
- || __SD_task_is_not_scheduled(before))) {
+ (SD_task_get_state(before)< SD_SCHEDULED)) {
SD_task_do_schedule(before);
XBT_VERB
("Auto-Schedule comm task %s between %s -> %s. It costs %.f bytes",
if (after->kind == SD_TASK_COMM_E2E) {
after->workstation_list[0] = task->workstation_list[0];
if (after->workstation_list[1]
- && (__SD_task_is_not_scheduled(after)
- || __SD_task_is_schedulable(after))) {
+ && (SD_task_get_state(after)< SD_SCHEDULED)) {
SD_task_do_schedule(after);
XBT_VERB
("Auto-Schedule comm task %s between %s -> %s. It costs %.f bytes",
}
}
- if (__SD_task_is_schedulable(before) ||
- __SD_task_is_not_scheduled(before)) {
+ if (SD_task_get_state(before)< SD_SCHEDULED) {
SD_task_do_schedule(before);
XBT_VERB
("Auto-Schedule redistribution task %s. Send %.f bytes from %d hosts to %d hosts.",
}
}
- if (__SD_task_is_schedulable(after) ||
- __SD_task_is_not_scheduled(after)) {
+ if (SD_task_get_state(after)< SD_SCHEDULED) {
SD_task_do_schedule(after);
XBT_VERB
("Auto-Schedule redistribution task %s. Send %.f bytes from %d hosts to %d hosts.",
