use https://github.com/bmaltais/kohya_ss/tree/sd3-flux.1 branch
32 GB system memory recommended
unet: https://civitai.com/models/622579/flux1-dev-fp8 or https://huggingface.co/XLabs-AI/flux-dev-fp8/blob/main/flux-dev-fp8.safetensors
text encoder: https://huggingface.co/comfyanonymous/flux_text_encoders/blob/main/t5xxl_fp8_e4m3fn.safetensors
VAE: https://huggingface.co/black-forest-labs/FLUX.1-dev/blob/main/ae.safetensors
clip_l: https://huggingface.co/comfyanonymous/flux_text_encoders/blob/main/clip_l.safetensors
