zxybazh commented on a change in pull request #10368:
URL: https://github.com/apache/tvm/pull/10368#discussion_r817421485
##########
File path: python/tvm/meta_schedule/task_scheduler/task_scheduler.py
##########
@@ -187,10 +160,114 @@ def f_join_running_task(task_id: int) -> None:
database,
cost_model,
measure_callbacks,
- f_tune,
- f_initialize_task,
- f_set_task_stopped,
- f_is_task_running,
- f_join_running_task,
- f_next_task_id,
+ *methods,
)
+
+
+class PyTaskScheduler:
+ """
+ An abstract task scheduler with customized methods on the python-side.
+ This is the user facing class for function overloading inheritance.
+
+ Note: @derived_object is required for proper usage of any inherited class.
+ """
+
+ _tvm_metadata = {
+ "cls": _PyTaskScheduler,
+ "members": [
+ "tasks",
+ "builder",
+ "runner",
+ "database",
+ "cost_model",
+ "measure_callbacks",
+ ],
+ "methods": [
+ "tune",
+ "initialize_task",
+ "set_task_stopped",
+ "is_task_running",
+ "join_running_task",
+ "next_task_id",
+ ],
+ }
+
+ def __init__(
+ self,
+ tasks: List[TuneContext],
+ builder: Builder,
+ runner: Runner,
+ database: Database,
+ cost_model: Optional[CostModel] = None,
+ measure_callbacks: Optional[List[MeasureCallback]] = None,
+ ):
+ self.tasks = tasks
+ self.builder = builder
+ self.runner = runner
+ self.database = database
+ self.cost_model = cost_model
+ self.measure_callbacks = measure_callbacks
+
+ def tune(self) -> None:
+ """Auto-tuning."""
+ # Using self._outer to replace the self pointer
+ _ffi_api.TaskSchedulerTune(self._outer()) # type: ignore # pylint:
disable=no-member
Review comment:
Note that we need the reference to it's shell class, i.e.,
`TVMDrivedObj` and we also need to avoid cyclic dependency. Other than using
the weakref, we can only use the given handle pointer. Is there any way that we
can create the object directly from given pointer in python?
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