he diffusion chain.


sample (torch.FloatTensor) —
current instance of sample being created by diffusion process.


Returns

torch.FloatTensor



the sample tensor at the previous timestep.


One step for the first-order DPM-Solver (equivalent to DDIM).
See https://arxiv.org/abs/2206.00927 for the detailed derivation.

get_order_list

<
source
>
(
num_inference_steps: int

)


Parameters 

num_inference_steps (int) —
the number of diffusion ste