ray.tune.Callback.on_checkpoint#

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

Called after a trial saved a checkpoint with Tune.

Parameters:

  • iteration – Number of iterations of the tuning loop.

  • trials – List of trials.

  • trial – Trial that just has errored.

  • checkpoint – Checkpoint object that has been saved by the trial.

  • **info – Kwargs dict for forward compatibility.