Implement PNDM scheduler #41
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implement PNDM scheduler following huggingface official python version: https://github.com/huggingface/diffusers/blob/main/src/diffusers/schedulers/scheduling_pndm.py (only the relevant part for stable diffusion)
LaurentMazare
approved these changes
Jan 17, 2023
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Hi @LaurentMazare,
this PR aims at integrating the PNDM scheduler into this repository, addressing the 7th task mentioned in #23 .
This implementation only ports the relevant features for stable diffusion, i.e. only the linear multi-step propagation method, skipping the Runge-Kutta steps. In other words, it doesn't port this method. I'm planning to add it in a feature PR if we eventually support new pipelines, unless you prefer to have the full scheduler now. If it is the case, please let me know and I will append a new commit to this PR :)