"""Nova XL LCM OpenVINO INT4 inference example (optimum-intel).
Requires: diffusers==0.37.1, transformers==4.57.6, tokenizers==0.22.0,
  huggingface-hub==0.35.1, optimum-intel==2.2.0, optimum==2.3.0,
  openvino==2026.4.0, nncf==3.4.0, torch, pillow, psutil
Source model: sca255/nova_xl_lcm (SDXL LCM anime).
Recipe: num_inference_steps=8, guidance_scale=1.5, 1024x1024.
"""
import torch
from optimum.intel import OVDiffusionPipeline

MODEL_ID = "HelloSun/nova_xl_lcm-OpenVINO-INT4"  # or local ./nova_xl_lcm-ov-int4


def main():
    pipe = OVDiffusionPipeline.from_pretrained(MODEL_ID, compile=True)
    prompt = "1girl, anime style, masterpiece, best quality, detailed face, beautiful eyes"
    image = pipe(
        prompt=prompt,
        height=1024, width=1024,
        num_inference_steps=8,
        guidance_scale=1.5,
        generator=torch.Generator().manual_seed(42),
    ).images[0]
    image.save("nova_xl_lcm_ov_int4.png")
    print("saved nova_xl_lcm_ov_int4.png")


if __name__ == "__main__":
    main()