Source code for ax.runners.synthetic
#!/usr/bin/env python3
# Copyright (c) Meta Platforms, Inc. and affiliates.
#
# This source code is licensed under the MIT license found in the
# LICENSE file in the root directory of this source tree.
# pyre-strict
from typing import Any, Dict, Iterable, List, Optional, Set
from ax.core.base_trial import BaseTrial, TrialStatus
from ax.core.runner import Runner
[docs]class SyntheticRunner(Runner):
"""Class for synthetic or dummy runner.
Currently acts as a shell runner, only creating a name.
"""
def __init__(self, dummy_metadata: Optional[str] = None) -> None:
self.dummy_metadata = dummy_metadata
[docs] def run(self, trial: BaseTrial) -> Dict[str, Any]:
deployed_name = (
trial.experiment.name + "_" + str(trial.index)
if trial.experiment.has_name
else str(trial.index)
)
metadata = {"name": deployed_name}
# Add dummy metadata if needed for testing
if self.dummy_metadata:
metadata["dummy_metadata"] = self.dummy_metadata
return metadata
[docs] def poll_trial_status(
self, trials: Iterable[BaseTrial]
) -> Dict[TrialStatus, Set[int]]:
return {TrialStatus.COMPLETED: {t.index for t in trials}}
@property
def run_metadata_report_keys(self) -> List[str]:
return ["name"]