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Update app.py
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app.py
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@@ -15,17 +15,34 @@ llm = pipeline(
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device=0 if torch.cuda.is_available() else -1
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)
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# Step 2: 加载 Stable Diffusion
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#
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sd_v15 = StableDiffusionPipeline.from_pretrained(
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"runwayml/stable-diffusion-v1-5",
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torch_dtype=torch.float16
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)
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sd_v15 = sd_v15.to("cuda" if torch.cuda.is_available() else "cpu")
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sd_xl = StableDiffusionPipeline.from_pretrained(
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"stabilityai/stable-diffusion-xl-base-1.0"
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)
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sd_xl = sd_xl.to("cuda" if torch.cuda.is_available() else "cpu")
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# 可选:语音输入模块,使用 Whisper
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@@ -82,7 +99,6 @@ with gr.Blocks(title="Prompt-to-Image Generator") as demo:
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placeholder="排除内容(如:低分辨率、水印)"
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)
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use_voice = gr.Checkbox(label="启用语音输入(加分项)")
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# 移除 'source' 参数以兼容 Gradio 版本
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audio_input = gr.Audio(type="filepath", label="语音输入")
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generate_btn = gr.Button("生成图像")
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with gr.Column():
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device=0 if torch.cuda.is_available() else -1
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)
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# Step 2: 加载 Stable Diffusion 模型并优化以加速推理
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# SD v1.5
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sd_v15 = StableDiffusionPipeline.from_pretrained(
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"runwayml/stable-diffusion-v1-5",
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torch_dtype=torch.float16
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)
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# 开启注意力切片,减少显存峰值
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sd_v15.enable_attention_slicing()
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# 如果安装了 xformers,启用更高效的注意力实现
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try:
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sd_v15.enable_xformers_memory_efficient_attention()
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except Exception:
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pass
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# 启用CPU内存卸载,减轻GPU显存压力
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sd_v15.enable_model_cpu_offload()
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sd_v15 = sd_v15.to("cuda" if torch.cuda.is_available() else "cpu")
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# SD XL
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sd_xl = StableDiffusionPipeline.from_pretrained(
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"stabilityai/stable-diffusion-xl-base-1.0",
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torch_dtype=torch.float16
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)
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sd_xl.enable_attention_slicing()
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try:
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sd_xl.enable_xformers_memory_efficient_attention()
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except Exception:
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pass
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sd_xl.enable_model_cpu_offload()
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sd_xl = sd_xl.to("cuda" if torch.cuda.is_available() else "cpu")
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# 可选:语音输入模块,使用 Whisper
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placeholder="排除内容(如:低分辨率、水印)"
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)
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use_voice = gr.Checkbox(label="启用语音输入(加分项)")
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audio_input = gr.Audio(type="filepath", label="语音输入")
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generate_btn = gr.Button("生成图像")
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with gr.Column():
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