support SD3

examples/image_synthesis/sd3_text_to_image.py

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+from diffsynth import ModelManager, SD3ImagePipeline, download_models
+import torch
+
+
+# Download models (automatically)
+# `models/stable_diffusion_3/sd3_medium_incl_clips.safetensors`: [link](https://huggingface.co/stabilityai/stable-diffusion-3-medium/resolve/main/sd3_medium_incl_clips.safetensors)
+download_models(["StableDiffusion3_without_T5"])
+model_manager = ModelManager(torch_dtype=torch.float16, device="cuda",
+                             file_path_list=["models/stable_diffusion_3/sd3_medium_incl_clips.safetensors"])
+pipe = SD3ImagePipeline.from_model_manager(model_manager)
+
+
+torch.manual_seed(0)
+image = pipe(
+    prompt="a white cat, colorful ink painting, cyberpunk, unreal", 
+    negative_prompt="bad quality, poor quality, doll, disfigured, jpg, toy, bad anatomy, missing limbs, missing fingers, 3d, cgi",
+    cfg_scale=4.5,
+    num_inference_steps=50, width=1024, height=1024,
+)
+image.save("image_1024.jpg")
+
+image = pipe(
+    prompt="a white cat, colorful ink painting, cyberpunk, unreal", 
+    negative_prompt="bad quality, poor quality, doll, disfigured, jpg, toy, bad anatomy, missing limbs, missing fingers, 3d, cgi",
+    input_image=image.resize((2048, 2048)), denoising_strength=0.5,
+    cfg_scale=4.5,
+    num_inference_steps=50, width=2048, height=2048,
+    tiled=True
+)
+image.save("image_2048.jpg")