ance of a sample created by diffusion process.   Returns 
torch.FloatTensor
  
The sample tensor at the previous timestep.
  One step for the third-order multistep DPMSolver.  scale_model_input  < source > ( sample: FloatTensor *args **kwargs  ) → torch.FloatTensor  Parameters   sample (torch.FloatTensor) —
The input sample.   Returns 
torch.FloatTensor
  
A scaled input sample.
  Ensures interchangeability with schedulers that need to scale th