ray.tune.Callback.on_step_end#

Callback.on_step_end(iteration: int, trials: List[Trial], **info)[source]#

Called at the end of each tuning loop step.

The iteration counter is increased before this hook is called.

Parameters:

  • iteration – Number of iterations of the tuning loop.

  • trials – List of trials.

  • **info – Kwargs dict for forward compatibility.