imestep.


One step for the second-order multistep DPM-Solver.

multistep_dpm_solver_third_order_update

<
source
>
(
model_output_list: typing.List[torch.FloatTensor]
timestep_list: typing.List[int]
prev_timestep: int
sample: FloatTensor

)
→
torch.FloatTensor

Parameters 

model_output_list (List[torch.FloatTensor]) —
direct outputs from learned diffusion model at current and latter timesteps.


timestep (int) — current and latter discrete ti