PixArt-LCM
https://huggingface.co/PixArt-alpha/PixArt-LCM-XL-2-1024-MSPixArt-alpha/PixArt-LCM-XL-2-1024-MS
https://huggingface.co/spaces/PixArt-alpha/PixArt-LCMDemo
PIXART-α × LCM