}
/**
- * \brief Returns the total amount of a task
+ * \brief Returns the total amount of work contained in a task
*
* \param task a task
- * \return the total amount of this task
+ * \return the total amount of work (computation or data transfer) for this task
* \see SD_task_get_remaining_amount()
*/
double SD_task_get_amount(SD_task_t task)
}
/**
- * \brief Returns the remaining amount of a task
+ * \brief Returns the remaining amount work to do till the completion of a task
*
* \param task a task
- * \return the remaining amount of this task
+ * \return the remaining amount of work (computation or data transfer) of this task
* \see SD_task_get_amount()
*/
double SD_task_get_remaining_amount(SD_task_t task)
return task->remains;
}
+int SD_task_get_kind(SD_task_t task) {
+ return task->kind;
+}
+
/** @brief Displays debugging informations about a task */
void SD_task_dump(SD_task_t task)
{
unsigned int counter;
SD_dependency_t dependency;
+ char *statename;
INFO1("Displaying task %s",SD_task_get_name(task));
- INFO1(" - amount: %.0f",SD_task_get_amount(task));
+ statename=bprintf("%s %s %s %s %s %s %s",
+ (task->state&SD_NOT_SCHEDULED?"not scheduled":""),
+ (task->state&SD_SCHEDULED?"scheduled":""),
+ (task->state&SD_READY?"ready":"not ready"),
+ (task->state&SD_IN_FIFO?"in fifo":""),
+ (task->state&SD_RUNNING?"running":""),
+ (task->state&SD_DONE?"done":""),
+ (task->state&SD_FAILED?"failed":""));
+ INFO1(" - state: %s",statename);
+ free(statename);
+
if (task->kind!=0) {
switch(task->kind){
case SD_TASK_COMM_E2E:
INFO1(" - (unknown kind %d)",task->kind);
}
}
+ INFO1(" - amount: %.0f",SD_task_get_amount(task));
if (xbt_dynar_length(task->tasks_before)) {
INFO0(" - pre-dependencies:");
xbt_dynar_foreach(task->tasks_before,counter,dependency) {
void SD_task_dotty(SD_task_t task,void* out) {
unsigned int counter;
SD_dependency_t dependency;
- fprintf(out, " T%d [label=\"%.10s\"",(unsigned int)task,task->name);
+ fprintf(out, " T%p [label=\"%.20s\"",task, task->name);
switch(task->kind){
case SD_TASK_COMM_E2E:
fprintf(out,", shape=box");
case SD_TASK_COMP_SEQ:
fprintf(out,", shape=circle");
break;
+ default:
+ xbt_die("Unknown task type!");
}
fprintf(out,"];\n");
xbt_dynar_foreach(task->tasks_before,counter,dependency) {
- fprintf(out," T%d -> T%d;\n",(unsigned int)dependency->src,(unsigned int)dependency->dst);
+ fprintf(out," T%p -> T%p;\n",dependency->src, dependency->dst);
}
}
* \param workstation_list the workstations on which the task would be executed
* \param computation_amount computation amount for each workstation
* \param communication_amount communication amount between each pair of workstations
- * \param rate task execution speed rate
* \see SD_schedule()
*/
double SD_task_get_execution_time(SD_task_t task,
int workstation_nb,
const SD_workstation_t * workstation_list,
const double *computation_amount,
- const double *communication_amount,
- double rate)
+ const double *communication_amount)
{
double time, max_time = 0.0;
int i, j;
max_time = time;
}
}
- return max_time * SD_task_get_amount(task);
+ return max_time;
}
static inline void SD_task_do_schedule(SD_task_t task) {
SD_CHECK_INIT_DONE();
xbt_free(task->computation_amount);
xbt_free(task->communication_amount);
+ task->computation_amount = task->communication_amount = NULL;
}
/* Runs a task. This function is directly called by __SD_task_try_to_run if the task
DEBUG1("Destroying task %s...", SD_task_get_name(task));
__SD_task_remove_dependencies(task);
-
/* if the task was scheduled or ready we have to free the scheduling parameters */
if (__SD_task_is_scheduled_or_ready(task))
__SD_task_destroy_scheduling_data(task);
+ xbt_swag_remove(task,task->state_set);
if (task->name != NULL)
xbt_free(task->name);
if (task->workstation_list != NULL)
xbt_free(task->workstation_list);
+ if (task->communication_amount)
+ xbt_free(task->communication_amount);
+
+ if (task->computation_amount)
+ xbt_free(task->computation_amount);
+
xbt_dynar_free(&task->tasks_before);
xbt_dynar_free(&task->tasks_after);
xbt_free(task);
* specified at creation is sent from hosts[0] to hosts[1].
*/
SD_task_t SD_task_create_comm_e2e(const char*name, void *data, double amount) {
- SD_task_t res = SD_task_create_sized(name,data,0,2);
- res->communication_amount[1] = amount;
+ SD_task_t res = SD_task_create_sized(name,data,amount,2);
+ res->communication_amount[2] = amount;
res->kind=SD_TASK_COMM_E2E;
return res;
}
* specified at creation to be run on hosts[0].
*/
SD_task_t SD_task_create_comp_seq(const char*name, void *data, double amount) {
- SD_task_t res = SD_task_create_sized(name,data,0,1);
+ SD_task_t res = SD_task_create_sized(name,data,amount,1);
res->computation_amount[0]=amount;
res->kind=SD_TASK_COMP_SEQ;
return res;
xbt_die(bprintf("Kind of task %s not supported by SD_task_schedulev()",
SD_task_get_name(task)));
}
+ if (task->kind == SD_TASK_COMM_E2E) {
+ VERB4("Schedule comm task %s between %s -> %s. It costs %.f bytes",
+ SD_task_get_name(task),
+ SD_workstation_get_name(task->workstation_list[0]),SD_workstation_get_name(task->workstation_list[1]),
+ task->communication_amount[2]);
+
+ }
+ /* Iterate over all childs and parent being COMM_E2E to say where I am located (and start them if ready) */
+ if (task->kind == SD_TASK_COMP_SEQ) {
+ VERB3("Schedule computation task %s on %s. It costs %.f flops",
+ SD_task_get_name(task),SD_workstation_get_name(task->workstation_list[0]),
+ task->computation_amount[0]);
+ SD_dependency_t dep;
+ unsigned int cpt;
+ xbt_dynar_foreach(task->tasks_before,cpt,dep) {
+ SD_task_t before = dep->src;
+ if (before->kind == SD_TASK_COMM_E2E) {
+ before->workstation_list[1] = task->workstation_list[0];
+ if (before->workstation_list[0] && __SD_task_is_not_scheduled(before)) {
+ SD_task_do_schedule(before);
+ VERB4("Auto-Schedule comm task %s between %s -> %s. It costs %.f bytes",
+ SD_task_get_name(before),
+ SD_workstation_get_name(before->workstation_list[0]),SD_workstation_get_name(before->workstation_list[1]),
+ before->communication_amount[2]);
+ }
+ }
+ }
+ xbt_dynar_foreach(task->tasks_after,cpt,dep) {
+ SD_task_t after = dep->dst;
+ 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_do_schedule(after);
+ VERB4("Auto-Schedule comm task %s between %s -> %s. It costs %.f bytes",
+ SD_task_get_name(after),
+ SD_workstation_get_name(after->workstation_list[0]),SD_workstation_get_name(after->workstation_list[1]),
+ after->communication_amount[2]);
+
+ }
+ }
+ }
+ }
}
/** @brief autoschedule a task on a list of workstations
*
