ray.tune.schedulers.ResourceChangingScheduler.reallocate_trial_resources_if_needed

ResourceChangingScheduler.reallocate_trial_resources_if_needed(tune_controller: TuneController, trial: Trial, result: Dict) → dict | PlacementGroupFactory | None

调用用户定义的 resources_allocation_function。如果返回的资源不是 None 且与当前存在的资源不同，则返回它们。否则，返回 None。