Update README.md

README.md

@@ -1,3 +1,15 @@
 ---
 license: cc-by-nc-4.0
 ---
+Usage:
+
+```python
+from diffusers import PixArtAlphaPipeline
+import torch
+pipe = PixArtAlphaPipeline.from_pretrained("./PixArt-XL-2-1024x1024", torch_dtype=torch.float16)
+pipe = pipe.to("cuda")
+pipe.enable_attention_slicing()
+prompt = "A alpaca made of colorful building blocks, cyberpunk"
+images = pipe(prompt).images
+images[0].save('test.png')
+```