I added PLMS sampling to CompVis's latent diffusion sampling code, so we should be able to get good quality outputs in 50 or less sampling steps now: github.com/crowsonkb/latent-โฆ. You turn it on with the --plms option to scripts/txt2img.py.
"The towers of Atlantis by Ivan Aivazovsky, oil on canvas", 50 steps PLMS
Apr 4, 2022 ยท 9:53 PM UTC