PixArt Sigma XL 2 MS: 2k, 1024, and 512 full finetune on custom captions.
INSTRUCTIONS: Place the .safetensors where the original model would go and select bunline.
Favorite sampling settings:
512/1024 models dpm++2s_a, simple, 24 steps, and CFG 3.1, 4.2, or sometimes more
2k model euler, sgm_uniform, 48 steps, CFG 3.5, 5, or sometimes more
Description
FAQ
Comments (4)
do you have any idea for the requirements in terms of vram to generate a 2k image ? Maybe use a tiled vae would help ?
In the official inference script, I have to modify it to use tiled VAE. In Comfy, it's using 14GB before VAE and tops out just below 20GB on my system.
ReyArtAgeJun 21, 2024
@yayaman so not usable for most people, i have 6gb of vram
Chris_McXavierJun 21, 2024
@yayaman um, what the Σ