Glenn Jocher 5065ca36a8
ultralytics 8.0.77 Ray[Tune] for hyperparameter optimization (#2014)
Co-authored-by: JF Chen <k-2feng@hotmail.com>
Co-authored-by: Ayush Chaurasia <ayush.chaurarsia@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2023-04-14 01:28:34 +02:00

18 lines
385 B
Python

try:
import ray
from ray import tune
from ray.air import session
except (ImportError, AssertionError):
tune = None
def on_fit_epoch_end(trainer):
if ray.tune.is_session_enabled():
metrics = trainer.metrics
metrics['epoch'] = trainer.epoch
session.report(metrics)
callbacks = {
'on_fit_epoch_end': on_fit_epoch_end, } if tune else {}