Avoid calling starpu_worker_get_id in components

A component method is not necessarily running on the component's worker.

src/sched_policies/component_best_implementation.c

@@ -112,7 +112,7 @@ static struct starpu_task * best_implementation_pull_task(struct starpu_sched_co
 	}
 	if(task)
 		/* this worker can execute this task as it was returned by a pop*/
-		(void)find_best_impl(component->tree->sched_ctx_id, task, starpu_worker_get_id_check());
+		(void)find_best_impl(component->tree->sched_ctx_id, task, starpu_bitmap_first(&component->workers_in_ctx));
 	return task;
 }
 

src/sched_policies/component_fifo.c

@@ -180,8 +180,10 @@ static struct starpu_task * fifo_pull_task(struct starpu_sched_component * compo
 	struct starpu_task * task;
 	if (data->ready && to->properties & STARPU_SCHED_COMPONENT_SINGLE_MEMORY_NODE)
 		task = _starpu_fifo_pop_first_ready_task(queue, starpu_bitmap_first(&to->workers_in_ctx), -1);
+	else if (to->properties & STARPU_SCHED_COMPONENT_HOMOGENEOUS)
+		task = _starpu_fifo_pop_task(queue, starpu_bitmap_first(&to->workers_in_ctx));
 	else
-		task = _starpu_fifo_pop_task(queue, starpu_worker_get_id_check());
+		task = _starpu_fifo_pop_task(queue, -1);
 	if(task && data->exp)
 	{
 		if(!isnan(task->predicted))