xbt_free(task->flops_amount);
xbt_free(task->bytes_amount);
- task->flops_amount = NULL;
- task->bytes_amount = NULL;
+ task->flops_amount = nullptr;
+ task->bytes_amount = nullptr;
}
void* SD_task_new_f()
{
SD_task_t task = xbt_new0(s_SD_task_t, 1);
- task->tasks_before = xbt_dynar_new(sizeof(SD_dependency_t), NULL);
- task->tasks_after = xbt_dynar_new(sizeof(SD_dependency_t), NULL);
+ task->tasks_before = xbt_dynar_new(sizeof(SD_dependency_t), nullptr);
+ task->tasks_after = xbt_dynar_new(sizeof(SD_dependency_t), nullptr);
return task;
}
task->start_time = -1.0;
task->finish_time = -1.0;
- task->surf_action = NULL;
+ task->surf_action = nullptr;
task->watch_points = 0;
/* dependencies */
/* scheduling parameters */
task->host_count = 0;
- task->host_list = NULL;
- task->flops_amount = NULL;
- task->bytes_amount = NULL;
+ task->host_list = nullptr;
+ task->flops_amount = nullptr;
+ task->bytes_amount = nullptr;
task->rate = -1;
}
/**
* \brief Creates a new task.
*
- * \param name the name of the task (can be \c NULL)
- * \param data the user data you want to associate with the task (can be \c NULL)
+ * \param name the name of the task (can be \c nullptr)
+ * \param data the user data you want to associate with the task (can be \c nullptr)
* \param amount amount of the task
* \return the new task
* \see SD_task_destroy()
*
* A sequential computation must be scheduled on 1 host, and the amount specified at creation to be run on hosts[0].
*
- * \param name the name of the task (can be \c NULL)
- * \param data the user data you want to associate with the task (can be \c NULL)
+ * \param name the name of the task (can be \c nullptr)
+ * \param data the user data you want to associate with the task (can be \c nullptr)
* \param flops_amount amount of compute work to be done by the task
* \return the new SD_TASK_COMP_SEQ typed task
*/
* A parallel computation can be scheduled on any number of host.
* The underlying speedup model is Amdahl's law.
* To be auto-scheduled, \see SD_task_distribute_comp_amdahl has to be called first.
- * \param name the name of the task (can be \c NULL)
- * \param data the user data you want to associate with the task (can be \c NULL)
+ * \param name the name of the task (can be \c nullptr)
+ * \param data the user data you want to associate with the task (can be \c nullptr)
* \param flops_amount amount of compute work to be done by the task
* \param alpha purely serial fraction of the work to be done (in [0.;1.[)
* \return the new task
* A data redistribution can be scheduled on any number of host.
* The assumed distribution is a 1D block distribution. Each host owns the same share of the \see amount.
* To be auto-scheduled, \see SD_task_distribute_comm_mxn_1d_block has to be called first.
- * \param name the name of the task (can be \c NULL)
- * \param data the user data you want to associate with the task (can be \c NULL)
+ * \param name the name of the task (can be \c nullptr)
+ * \param data the user data you want to associate with the task (can be \c nullptr)
* \param amount amount of data to redistribute by the task
* \return the new task
*/
SD_task_t SD_task_create_comm_par_mxn_1d_block(const char *name, void *data, double amount)
{
SD_task_t res = SD_task_create(name, data, amount);
- res->host_list=NULL;
+ res->host_list=nullptr;
res->kind = SD_TASK_COMM_PAR_MXN_1D_BLOCK;
return res;
int 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_dynar_remove_at(sd_global->return_set, idx, nullptr);
}
xbt_free(task->name);
- if (task->surf_action != NULL)
+ if (task->surf_action != nullptr)
task->surf_action->unref();
xbt_free(task->host_list);
* \brief Returns the user data of a task
*
* \param task a task
- * \return the user data associated with this task (can be \c NULL)
+ * \return the user data associated with this task (can be \c nullptr)
* \see SD_task_set_data()
*/
void *SD_task_get_data(SD_task_t task)
/**
* \brief Sets the user data of a task
*
- * The new data can be \c NULL. The old data should have been freed first
- * if it was not \c NULL.
+ * The new data can be \c nullptr. The old data should have been freed first
+ * if it was not \c nullptr.
*
* \param task a task
* \param data the new data you want to associate with this task
case SD_SCHEDULABLE:
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_search(sd_global->completed_task_set, &task), nullptr);
xbt_dynar_push(sd_global->initial_task_set,&task);
}
break;
case SD_SCHEDULED:
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_search(sd_global->executable_task_set, &task), nullptr);
xbt_dynar_push(sd_global->initial_task_set,&task);
}
break;
case SD_RUNNABLE:
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_remove_at(sd_global->initial_task_set, idx, nullptr);
xbt_dynar_push(sd_global->executable_task_set,&task);
}
break;
case SD_RUNNING:
xbt_dynar_remove_at(sd_global->executable_task_set,
- xbt_dynar_search(sd_global->executable_task_set, &task), NULL);
+ xbt_dynar_search(sd_global->executable_task_set, &task), nullptr);
break;
case SD_DONE:
xbt_dynar_push(sd_global->completed_task_set,&task);
* \brief Returns the name of a task
*
* \param task a task
- * \return the name of this task (can be \c NULL)
+ * \return the name of this task (can be \c nullptr)
*/
const char *SD_task_get_name(SD_task_t task)
{
unsigned int i;
SD_dependency_t dep;
- xbt_dynar_t parents = xbt_dynar_new(sizeof(SD_task_t), NULL);
+ xbt_dynar_t parents = xbt_dynar_new(sizeof(SD_task_t), nullptr);
xbt_dynar_foreach(task->tasks_before, i, dep) {
xbt_dynar_push(parents, &(dep->src));
}
unsigned int i;
SD_dependency_t dep;
- xbt_dynar_t children = xbt_dynar_new(sizeof(SD_task_t), NULL);
+ xbt_dynar_t children = xbt_dynar_new(sizeof(SD_task_t), nullptr);
xbt_dynar_foreach(task->tasks_after, i, dep) {
xbt_dynar_push(children, &(dep->dst));
}
* \a dst will depend on \a src, ie \a dst will not start before \a src is finished.
* Their \ref e_SD_task_state_t "state" must be #SD_NOT_SCHEDULED, #SD_SCHEDULED or #SD_RUNNABLE.
*
- * \param name the name of the new dependency (can be \c NULL)
- * \param data the user data you want to associate with this dependency (can be \c NULL)
+ * \param name the name of the new dependency (can be \c nullptr)
+ * \param data the user data you want to associate with this dependency (can be \c nullptr)
* \param src the task which must be executed first
* \param dst the task you want to make depend on \a src
* \see SD_task_dependency_remove()
dependency = xbt_new(s_SD_dependency_t, 1);
- dependency->name = xbt_strdup(name); /* xbt_strdup is cleaver enough to deal with NULL args itself */
+ dependency->name = xbt_strdup(name); /* xbt_strdup is cleaver enough to deal with nullptr args itself */
dependency->data = data;
dependency->src = src;
dependency->dst = dst;
if (dependency->dst == dst)
return dependency->name;
}
- return NULL;
+ return nullptr;
}
/**
* \param src a task
* \param dst a task depending on \a src
*
- * If src is NULL, checks whether dst has any pre-dependency.
- * If dst is NULL, checks whether src has any post-dependency.
+ * If src is nullptr, checks whether dst has any pre-dependency.
+ * If dst is nullptr, checks whether src has any post-dependency.
*/
int SD_task_dependency_exists(SD_task_t src, SD_task_t dst)
{
- xbt_assert(src != NULL || dst != NULL, "Invalid parameter: both src and dst are NULL");
+ xbt_assert(src != nullptr || dst != nullptr, "Invalid parameter: both src and dst are nullptr");
if (src) {
if (dst) {
for (unsigned long i = 0; i < length && !found; i++) {
xbt_dynar_get_cpy(src->tasks_after, i, &dependency);
if (dependency->dst == dst) {
- xbt_dynar_remove_at(src->tasks_after, i, NULL);
+ xbt_dynar_remove_at(src->tasks_after, i, nullptr);
found = true;
}
}
for (unsigned long i = 0; i < length && !found; i++) {
xbt_dynar_get_cpy(dst->tasks_before, i, &dependency);
if (dependency->src == src) {
- xbt_dynar_remove_at(dst->tasks_before, i, NULL);
+ xbt_dynar_remove_at(dst->tasks_before, i, nullptr);
__SD_task_dependency_destroy(dependency);
dst->unsatisfied_dependencies--;
dst->is_not_ready--;
*
* \param src a task
* \param dst a task depending on \a src
- * \return the user data associated with this dependency (can be \c NULL)
+ * \return the user data associated with this dependency (can be \c nullptr)
* \see SD_task_dependency_add()
*/
void *SD_task_dependency_get_data(SD_task_t src, SD_task_t dst)
/* the task execution time is the maximum execution time of the parallel tasks */
for (int i = 0; i < workstation_nb; i++) {
double time = 0.0;
- if (flops_amount != NULL)
+ if (flops_amount != nullptr)
time = flops_amount[i] / workstation_list[i]->speed();
- if (bytes_amount != NULL)
+ if (bytes_amount != nullptr)
for (int j = 0; j < workstation_nb; j++) {
if (bytes_amount[i * workstation_nb + j] !=0 ) {
time += (SD_route_get_latency(workstation_list[i], workstation_list[j]) +
memcpy(task->flops_amount, flops_amount, sizeof(double) * host_count);
} else {
xbt_free(task->flops_amount);
- task->flops_amount = NULL;
+ task->flops_amount = nullptr;
}
int communication_nb = host_count * host_count;
memcpy(task->bytes_amount, bytes_amount, sizeof(double) * communication_nb);
} else {
xbt_free(task->bytes_amount);
- task->bytes_amount = NULL;
+ task->bytes_amount = nullptr;
}
task->host_list = static_cast<sg_host_t*>(xbt_realloc(task->host_list, sizeof(sg_host_t) * host_count));
/* Don't free scheduling data for typed tasks */
__SD_task_destroy_scheduling_data(task);
xbt_free(task->host_list);
- task->host_list=NULL;
+ task->host_list=nullptr;
task->host_count = 0;
}
{
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->host_list != NULL, "Task '%s': workstation_list is NULL!", SD_task_get_name(task));
+ xbt_assert(task->host_list != nullptr, "Task '%s': workstation_list is nullptr!", SD_task_get_name(task));
XBT_DEBUG("Running task '%s'", SD_task_get_name(task));
double src_start, src_end, dst_start, dst_end;
src_nb = before->host_count;
dst_nb = count;
- before->host_list = (sg_host_t*) xbt_realloc(before->host_list, (before->host_count+count)*sizeof(sg_host_t));
+ before->host_list = static_cast<sg_host_t*>(xbt_realloc(before->host_list, (before->host_count+count)*sizeof(sg_host_t)));
for(i=0; i<count; i++)
before->host_list[before->host_count+i] = task->host_list[i];
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.",
+ XBT_VERB ("Auto-Schedule redistribution task %s. Send %.f bytes from %d hosts to %d hosts.",
SD_task_get_name(before),before->amount, src_nb, dst_nb);
}
}
double src_start, src_end, dst_start, dst_end;
src_nb = count;
dst_nb = after->host_count;
- after->host_list = (sg_host_t*) xbt_realloc(after->host_list, (after->host_count+count)*sizeof(sg_host_t));
+ after->host_list = static_cast<sg_host_t*>(xbt_realloc(after->host_list, (after->host_count+count)*sizeof(sg_host_t)));
for(i=after->host_count - 1; i>=0; i--)
after->host_list[count+i] = after->host_list[i];
for(i=0; i<count; i++)