add k_dpmpp_2_a and k_dpmpp_2 solvers options #1383
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lstein
requested changes
Nov 5, 2022
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Done in a new draft PR! Will close this one |
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These are the changes needed in case anyone wants to test the new DPM++ solvers (crowsonkb/k-diffusion@2d2240b).
On Mac M1 k_dpmpp_2 results in black images, the ancestral k_dpmpp_2_a works, but I think it suffers from the same as #1350 , so it might work better elsewhere.
To use, k-diffusion (src/k-diffusion/k_diffusion/sampling.py) has to be updated with the sample_dpmpp_2s_ancestral() and sample_dpmpp_2m() functions. Might be interesting to evaluate these new versions. More info: crowsonkb/k-diffusion#40