UniPC for diffusion sampling #2684
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Hi, thanks for the awesome library! It's great having these tools available in the Rust ecosystem.
I was interested in low step-count inference for some experiments, so ported over the UniPC scheduler. I figured I'd open a PR here in case this work is useful to others. Here is a comparison with Euler A and DDIM at 5 steps which demonstrates UniPC's benefits for quick convergence: