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| import gradio as gr | |
| from optimum.intel.openvino import OVStableDiffusionPipeline | |
| from diffusers.training_utils import set_seed | |
| from diffusers import DDPMScheduler, StableDiffusionPipeline | |
| import time | |
| def create_pipeline(name): | |
| if name == "svjack/Stable-Diffusion-Pokemon-en": | |
| scheduler = DDPMScheduler(beta_start=0.00085, beta_end=0.012, | |
| beta_schedule="scaled_linear", num_train_timesteps=1000) | |
| pipe = StableDiffusionPipeline.from_pretrained(name, scheduler=scheduler) | |
| pipe.safety_checker = lambda images, clip_input: (images, False) | |
| else: | |
| pipe = OVStableDiffusionPipeline.from_pretrained(name, compile=False) | |
| pipe.reshape(batch_size=1, height=256, width=256, num_images_per_prompt=1) | |
| pipe.compile() | |
| return pipe | |
| pipes = { | |
| "Torch fp32": "svjack/Stable-Diffusion-Pokemon-en", | |
| "OpenVINO fp32": "OpenVINO/stable-diffusion-pokemons-fp32", | |
| "OpenVINO 8-bit quantized": "OpenVINO/stable-diffusion-pokemons-quantized-aggressive", | |
| "OpenVINO merged and quantized": "OpenVINO/stable-diffusion-pokemons-tome-quantized-aggressive" | |
| } | |
| # prefetch pipelines on start | |
| for v in pipes.values(): | |
| pipe = create_pipeline(v) | |
| del pipe | |
| def generate(prompt, option, seed): | |
| pipe = create_pipeline(pipes[option]) | |
| set_seed(int(seed)) | |
| start_time = time.time() | |
| output = pipe(prompt, num_inference_steps=50, output_type="pil", height=256, width=256) | |
| elapsed_time = time.time() - start_time | |
| return (output.images[0], "{:10.4f}".format(elapsed_time)) | |
| examples = ["cartoon bird", | |
| "a drawing of a green pokemon with red eyes", | |
| "plant pokemon in jungle"] | |
| model_options = [option for option in pipes.keys()] | |
| gr.Interface( | |
| fn=generate, | |
| inputs=[gr.inputs.Textbox(default="cartoon bird", label="Prompt", lines=1), | |
| gr.inputs.Dropdown(choices=model_options, default=model_options[-1], label="Model version"), | |
| gr.inputs.Textbox(default="42", label="Seed", lines=1) | |
| ], | |
| outputs=[gr.outputs.Image(type="pil", label="Generated Image"), gr.outputs.Textbox(label="Inference time")], | |
| title="OpenVINO-optimized Stable Diffusion", | |
| description="This is the Optimum-based demo for NNCF-optimized Stable Diffusion pipeline trained on 'lambdalabs/pokemon-blip-captions' dataset and running with OpenVINO.\n" | |
| "The pipeline is run using 8 vCPUs (4 cores) only.", | |
| theme="huggingface", | |
| ).launch() | |