he device to which the timesteps should be moved to. If None, the timesteps are not moved.    Sets the discrete timesteps used for the diffusion chain (to be run before inference).  singlestep_dpm_solver_second_order_update  < source > ( model_output_list: List *args sample: FloatTensor = None **kwargs  ) → torch.FloatTensor  Parameters   model_output_list (List[torch.FloatTensor]) —
The direct outputs from learned diffusion model at current an