fix workload release bug

Author: 1ntEgr8

rpc/service.py

@@ -141,8 +141,6 @@ def __init__(self) -> None:
 
         # Enable orchestrated mode
         FLAGS.orchestrated = True
-        # Set minimum placement push duration to 1s
-        FLAGS.min_placement_push_duration = 1_000_000
         # Set scheduler runtime to zero
         FLAGS.scheduler_runtime = 0
 

simulator.py

@@ -525,6 +525,8 @@ def tick(self, until: EventTime) -> None:
         """Tick the simulator until the specified time"""
 
         def f():
+            self._logger.debug(f"EQ: {self._event_queue}")
+
             time_until_next_event = self.__time_until_next_event()
 
             if (
@@ -1618,6 +1620,14 @@ def __handle_update_workload(self, event: Event) -> None:
 
             # Release the Tasks that have become available.
             releasable_tasks = self._workload.get_releasable_tasks()
+
+            # Ignore non-source tasks, they get auto-released when the parent finishes
+            def is_source_task(task):
+                task_graph = self._workload.get_task_graph(task.task_graph)
+                return task_graph.is_source_task(task)
+
+            releasable_tasks = [task for task in releasable_tasks if is_source_task(task)]
+
             self._logger.info(
                 "[%s] The WorkloadLoader %s has %s TaskGraphs that released %s tasks.",
                 self._simulator_time.to(EventTime.Unit.US).time,
@@ -1666,6 +1676,7 @@ def __handle_update_workload(self, event: Event) -> None:
 
             max_release_time = self._simulator_time
             for task in releasable_tasks:
+
                 event = Event(
                     event_type=EventType.TASK_RELEASE, time=task.release_time, task=task
                 )