e previous discrete timestep in the diffusion chain.   sample (torch.FloatTensor) —
A current instance of a sample created by the diffusion process.   Returns 
torch.FloatTensor
  
The sample tensor at the previous timestep.
  One step for the first-order DPMSolver (equivalent to DDIM).  get_order_list  < source > ( num_inference_steps: int  )   Parameters   num_inference_steps (int) —
The number of diffusion steps used when generating samples 