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DiffSynth-Studio/examples/flux/model_inference_low_vram/FLUX.1-dev-Controlnet-Union-alpha.py
2025-12-04 16:33:07 +08:00

51 lines
2.0 KiB
Python

import torch
from diffsynth.pipelines.flux_image import FluxImagePipeline, ModelConfig, ControlNetInput
from diffsynth.utils.controlnet import Annotator
from modelscope import snapshot_download
vram_config = {
"offload_dtype": torch.float8_e4m3fn,
"offload_device": "cpu",
"onload_dtype": torch.float8_e4m3fn,
"onload_device": "cpu",
"preparing_dtype": torch.float8_e4m3fn,
"preparing_device": "cuda",
"computation_dtype": torch.bfloat16,
"computation_device": "cuda",
}
snapshot_download("sd_lora/Annotators", allow_file_pattern="dpt_hybrid-midas-501f0c75.pt", local_dir="models/Annotators")
pipe = FluxImagePipeline.from_pretrained(
torch_dtype=torch.bfloat16,
device="cuda",
model_configs=[
ModelConfig(model_id="black-forest-labs/FLUX.1-dev", origin_file_pattern="flux1-dev.safetensors", **vram_config),
ModelConfig(model_id="black-forest-labs/FLUX.1-dev", origin_file_pattern="text_encoder/model.safetensors", **vram_config),
ModelConfig(model_id="black-forest-labs/FLUX.1-dev", origin_file_pattern="text_encoder_2/*.safetensors", **vram_config),
ModelConfig(model_id="black-forest-labs/FLUX.1-dev", origin_file_pattern="ae.safetensors", **vram_config),
ModelConfig(model_id="InstantX/FLUX.1-dev-Controlnet-Union-alpha", origin_file_pattern="diffusion_pytorch_model.safetensors", **vram_config),
],
vram_limit=torch.cuda.mem_get_info("cuda")[1] / (1024 ** 3) - 0.5,
)
image_1 = pipe(
prompt="a beautiful Asian girl, full body, red dress, summer",
height=1024, width=1024,
seed=6, rand_device="cuda",
)
image_1.save("image_1.jpg")
image_canny = Annotator("canny")(image_1)
image_depth = Annotator("depth")(image_1)
image_2 = pipe(
prompt="a beautiful Asian girl, full body, red dress, winter",
controlnet_inputs=[
ControlNetInput(image=image_canny, scale=0.3, processor_id="canny"),
ControlNetInput(image=image_depth, scale=0.3, processor_id="depth"),
],
height=1024, width=1024,
seed=7, rand_device="cuda",
)
image_2.save("image_2.jpg")