on_checkpoint#

Callback.on_checkpoint(iteration: int, trials: List[Trial], trial: Trial, checkpoint: ray.tune.Checkpoint, **info)[source]#

Called after a trial saved a checkpoint with Tune.

Parameters:

  • iteration (int) – Number of iterations of the tuning loop.

  • trials (List[Trial]) – List of trials.

  • trial (Trial) – Trial that just has errored.

  • checkpoint (ray.tune.Checkpoint) – Checkpoint object that has been saved by the trial.

  • **info – Kwargs dict for forward compatibility.