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<meta charset="utf-8" /><meta name="hf:doc:metadata" content="{&quot;title&quot;:&quot;如何使用 Core ML 运行 Stable Diffusion&quot;,&quot;local&quot;:&quot;how-to-run-stable-diffusion-with-core-ml&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Stable Diffusion Core ML 检查点&quot;,&quot;local&quot;:&quot;stable-diffusion-core-ml-checkpoints&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2},{&quot;title&quot;:&quot;选择要使用的 Core ML 变体&quot;,&quot;local&quot;:&quot;selecting-the-core-ml-variant-to-use&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Python 中的 Core ML 推理&quot;,&quot;local&quot;:&quot;core-ml-inference-in-python&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;下载模型检查点&quot;,&quot;local&quot;:&quot;download-the-model-checkpoints&quot;,&quot;sections&quot;:[],&quot;depth&quot;:3},{&quot;title&quot;:&quot;推理&quot;,&quot;local&quot;:&quot;python-inference&quot;,&quot;sections&quot;:[],&quot;depth&quot;:3}],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Swift 中的 Core ML 推理&quot;,&quot;local&quot;:&quot;core-ml-inference-in-swift&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;下载&quot;,&quot;local&quot;:&quot;download&quot;,&quot;sections&quot;:[],&quot;depth&quot;:3},{&quot;title&quot;:&quot;推理&quot;,&quot;local&quot;:&quot;swift-inference&quot;,&quot;sections&quot;:[],&quot;depth&quot;:3}],&quot;depth&quot;:2},{&quot;title&quot;:&quot;支持的 Diffusers 功能&quot;,&quot;local&quot;:&quot;supported-diffusers-features&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2},{&quot;title&quot;:&quot;原生 Diffusers Swift 应用&quot;,&quot;local&quot;:&quot;native-diffusers-swift-app&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2}],&quot;depth&quot;:1}"/>
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		<!--17v8vq3--><meta name="hf:doc:metadata" content="{&quot;title&quot;:&quot;How to run Stable Diffusion with Core ML&quot;,&quot;local&quot;:&quot;how-to-run-stable-diffusion-with-core-ml&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Stable Diffusion Core ML Checkpoints&quot;,&quot;local&quot;:&quot;stable-diffusion-core-ml-checkpoints&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Selecting the Core ML Variant to Use&quot;,&quot;local&quot;:&quot;selecting-the-core-ml-variant-to-use&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Core ML Inference in Python&quot;,&quot;local&quot;:&quot;core-ml-inference-in-python&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Download the Model Checkpoints&quot;,&quot;local&quot;:&quot;download-the-model-checkpoints&quot;,&quot;sections&quot;:[],&quot;depth&quot;:3},{&quot;title&quot;:&quot;Inference&quot;,&quot;local&quot;:&quot;python-inference&quot;,&quot;sections&quot;:[],&quot;depth&quot;:3}],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Core ML inference in Swift&quot;,&quot;local&quot;:&quot;core-ml-inference-in-swift&quot;,&quot;sections&quot;:[{&quot;title&quot;:&quot;Download&quot;,&quot;local&quot;:&quot;download&quot;,&quot;sections&quot;:[],&quot;depth&quot;:3},{&quot;title&quot;:&quot;Inference&quot;,&quot;local&quot;:&quot;swift-inference&quot;,&quot;sections&quot;:[],&quot;depth&quot;:3}],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Supported Diffusers Features&quot;,&quot;local&quot;:&quot;supported-diffusers-features&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2},{&quot;title&quot;:&quot;Native Diffusers Swift app&quot;,&quot;local&quot;:&quot;native-diffusers-swift-app&quot;,&quot;sections&quot;:[],&quot;depth&quot;:2}],&quot;depth&quot;:1}"/><!---->
		<link href="/docs/diffusers/main/en/_app/immutable/assets/0.tn0RQdqM.css" rel="modulepreload"> <!--[--><!--[0--><!--[--><!--[0--><!--[--><p></p> <div class="items-center shrink-0 min-w-[100px] max-sm:min-w-[50px] justify-end ml-auto flex" style="float: inline-end; margin-inline-start: 10px; display: inline-flex; position: relative; z-index: 10;"><div dir="ltr" class="inline-flex rounded-md max-sm:rounded-sm"><button class="inline-flex items-center gap-1 h-7 max-sm:h-7 px-2 max-sm:px-1.5 text-sm font-medium text-gray-800 border border-r-0 rounded-l-md max-sm:rounded-l-sm border-gray-200 bg-white hover:shadow-inner dark:border-gray-850 dark:bg-gray-950 dark:text-gray-200 dark:hover:bg-gray-800" aria-live="polite"><span class="inline-flex items-center justify-center rounded-md p-0.5 max-sm:p-0 hover:text-gray-800 dark:hover:text-gray-200"><svg class="sm:size-3.5 size-3" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----></span> <span dir="auto">Copy page</span></button> <button class="inline-flex items-center justify-center w-6 max-sm:w-5 h-7 max-sm:h-7 disabled:pointer-events-none text-sm text-gray-500 hover:text-gray-700 dark:hover:text-white rounded-r-md max-sm:rounded-r-sm border border-l transition border-gray-200 bg-white hover:shadow-inner dark:border-gray-850 dark:bg-gray-950 dark:text-gray-200 dark:hover:bg-gray-800" aria-haspopup="menu" aria-expanded="false" aria-label="Open copy menu"><svg class="transition-transform text-gray-400 overflow-visible sm:size-3.5 size-3 rotate-0" width="1em" height="1em" viewBox="0 0 12 7" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M1 1L6 6L11 1" stroke="currentColor"></path></svg><!----></button></div> <!--[-1--><!--]--></div><!----> <!--[0--><h1 class="relative group"><a id="how-to-run-stable-diffusion-with-core-ml" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#how-to-run-stable-diffusion-with-core-ml"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->如何使用 Core ML 运行 Stable Diffusion<!----></span></h1><!--]--><!----> <p><a href="https://developer.apple.com/documentation/coreml" rel="nofollow">Core ML</a> 是 Apple 框架支持的模型格式和机器学习库。如果您希望在 macOS 或 iOS/iPadOS 应用中运行 Stable Diffusion 模型，本指南将介绍如何将现有的 PyTorch 检查点转换为 Core ML 格式，并使用 Python 或 Swift 进行推理。</p> <p>Core ML 模型可以利用 Apple 设备上所有可用的计算引擎：CPU、GPU 以及 Apple 神经网络引擎（即 ANE，一种张量优化的加速器，适用于 Apple Silicon Mac 以及现代 iPhone/iPad）。根据模型及其运行的设备，Core ML 还可以混合搭配不同的计算引擎，例如模型的一部分可能在 CPU 上运行，而另一部分则在 GPU 上运行。</p> <blockquote class="tip"><p>您也可以在 Apple Silicon Mac 上使用 PyTorch 内置的 <code>mps</code> 加速器来运行 <code>diffusers</code> Python 代码库。此方法在 <a href="mps">mps 指南</a> 中有详细说明，但它与原生应用不兼容。</p></blockquote> <!--[1--><h2 class="relative group"><a id="stable-diffusion-core-ml-checkpoints" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#stable-diffusion-core-ml-checkpoints"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->Stable Diffusion Core ML 检查点<!----></span></h2><!--]--><!----> <p>Stable Diffusion 的权重（或检查点）以 PyTorch 格式存储，因此在使用它们于原生应用之前，需要将其转换为 Core ML 格式。</p> <p>幸运的是，Apple 工程师基于 <code>diffusers</code> 开发了<a href="https://github.com/apple/ml-stable-diffusion#-converting-models-to-core-ml" rel="nofollow">一个转换工具</a>，用于将 PyTorch 检查点转换为 Core ML。</p> <p>在转换模型之前，请先花点时间浏览 Hugging Face Hub——您感兴趣的模型很可能已经以 Core ML 格式提供：</p> <ul><li><a href="https://huggingface.co/apple" rel="nofollow">Apple</a> 组织包含 Stable Diffusion 1.4、1.5、2.0 base 和 2.1 base 版本</li> <li><a href="https://huggingface.co/coreml-community" rel="nofollow">coreml 社区</a>包含自定义微调模型</li> <li>使用此 <a href="https://huggingface.co/models?pipeline_tag=text-to-image&amp;library=coreml&amp;p=2&amp;sort=likes" rel="nofollow">filter</a> 可返回所有可用的 Core ML 检查点</li></ul> <p>如果您找不到感兴趣的模型，我们建议您按照 Apple 提供的 <a href="https://github.com/apple/ml-stable-diffusion#-converting-models-to-core-ml" rel="nofollow">将模型转换为 Core ML</a> 说明进行操作。</p> <!--[1--><h2 class="relative group"><a id="selecting-the-core-ml-variant-to-use" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#selecting-the-core-ml-variant-to-use"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->选择要使用的 Core ML 变体<!----></span></h2><!--]--><!----> <p>Stable Diffusion 模型可以转换为不同的 Core ML 变体，以用于不同的目的：</p> <ul><li><p>所使用的注意力块类型。注意力操作用于“关注”图像表示中不同区域之间的关系，并理解图像表示与文本表示之间的关联。注意力机制在计算和内存方面开销较大，因此存在不同的实现方式，以适应不同设备的硬件特性。对于 Core ML Stable Diffusion 模型，有两种注意力变体：</p> <ul><li><code>split_einsum</code>（<a href="https://machinelearning.apple.com/research/neural-engine-transformers" rel="nofollow">由 Apple 引入</a>）针对 ANE 设备进行了优化，该设备在现代 iPhone、iPad 和 M 系列计算机中可用。</li> <li>“原始”注意力机制（<code>diffusers</code> 中使用的基础实现）仅兼容 CPU/GPU，不支持 ANE。使用 <code>original</code> 注意力机制在 CPU + GPU 上运行模型可能比在 ANE 上运行<em>更快</em>。有关更多详细信息，请参阅<a href="https://huggingface.co/blog/fast-mac-diffusers#performance-benchmarks" rel="nofollow">此性能基准测试</a>以及社区提供的<a href="https://github.com/huggingface/swift-coreml-diffusers/issues/31" rel="nofollow">额外测量数据</a>。</li></ul></li> <li><p>支持的推理框架。</p> <ul><li><code>packages</code> 适用于 Python 推理。您可以在尝试将转换后的 Core ML 模型集成到原生应用之前，使用它来测试这些模型；或者，如果您希望探索 Core ML 的性能但不需要支持原生应用，也可以使用它。例如，具有 Web UI 的应用程序完全可以采用 Python Core ML 后端。</li> <li>Swift 代码需要 <code>compiled</code> 模型。Hub 中的 <code>compiled</code> 模型将大型 UNet 模型权重拆分为多个文件，以兼容 iOS 和 iPadOS 设备。这对应于 <a href="https://github.com/apple/ml-stable-diffusion#-converting-models-to-core-ml" rel="nofollow"><code>--chunk-unet</code> 转换选项</a>。如果您希望支持原生应用，则需要选择 <code>compiled</code> 变体。</li></ul></li></ul> <p>官方 Core ML Stable Diffusion <a href="https://huggingface.co/apple/coreml-stable-diffusion-v1-4/tree/main" rel="nofollow">模型</a>包含以下变体，但社区版本可能有所不同：</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5   text-gray-600  " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 已复制</div><!----></button><!----></div> <pre class=" "><!---->coreml-stable-<span class="hljs-keyword">diffusion-v1-4
</span>├── README.md
├── <span class="hljs-keyword">original
</span>│   ├── compiled
│   └── packages
└── split_einsum
    ├── compiled
    └── packages<!----></pre></div><!----> <p>您可以按照以下说明下载并使用所需的变体。</p> <!--[1--><h2 class="relative group"><a id="core-ml-inference-in-python" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#core-ml-inference-in-python"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->Python 中的 Core ML 推理<!----></span></h2><!--]--><!----> <p>安装以下库以在 Python 中运行 Core ML 推理：</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5   text-gray-600  " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 已复制</div><!----></button><!----></div> <pre class="language-bash "><!---->pip install huggingface_hub
pip install git+https://github.com/apple/ml-stable-diffusion<!----></pre></div><!----> <!--[2--><h3 class="relative group"><a id="download-the-model-checkpoints" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#download-the-model-checkpoints"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->下载模型检查点<!----></span></h3><!--]--><!----> <p>要在 Python 中运行推理，请使用 <code>packages</code> 文件夹中存储的版本，因为 <code>compiled</code> 版本仅与 Swift 兼容。您可以选择使用 <code>original</code> 或 <code>split_einsum</code> 注意力机制。</p> <p>这是如何从 Hub 下载 <code>original</code> 注意力变体到名为 <code>models</code> 的目录：</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5   text-gray-600  " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 已复制</div><!----></button><!----></div> <pre class="language-Python "><!----><span class="hljs-keyword">from</span> huggingface_hub <span class="hljs-keyword">import</span> snapshot_download
<span class="hljs-keyword">from</span> pathlib <span class="hljs-keyword">import</span> Path

repo_id = <span class="hljs-string">&quot;apple/coreml-stable-diffusion-v1-4&quot;</span>
variant = <span class="hljs-string">&quot;original/packages&quot;</span>

model_path = Path(<span class="hljs-string">&quot;./models&quot;</span>) / (repo_id.split(<span class="hljs-string">&quot;/&quot;</span>)[-<span class="hljs-number">1</span>] + <span class="hljs-string">&quot;_&quot;</span> + variant.replace(<span class="hljs-string">&quot;/&quot;</span>, <span class="hljs-string">&quot;_&quot;</span>))
snapshot_download(repo_id, allow_patterns=<span class="hljs-string">f&quot;<span class="hljs-subst">{variant}</span>/*&quot;</span>, local_dir=model_path, local_dir_use_symlinks=<span class="hljs-literal">False</span>)
<span class="hljs-built_in">print</span>(<span class="hljs-string">f&quot;Model downloaded at <span class="hljs-subst">{model_path}</span>&quot;</span>)<!----></pre></div><!----> <!--[2--><h3 class="relative group"><a id="python-inference" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#python-inference"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->推理<!----></span></h3><!--]--><!----> <p>下载模型快照后，您可以使用 Apple 的 Python 脚本对其进行测试。</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5   text-gray-600  " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 已复制</div><!----></button><!----></div> <pre class="language-shell "><!---->python -m python_coreml_stable_diffusion.pipeline --prompt &quot;a photo of an astronaut riding a horse on mars&quot; -i ./models/coreml-stable-diffusion-v1-4_original_packages/original/packages -o &lt;/path/to/output/image&gt; --compute-unit CPU_AND_GPU --seed 93<!----></pre></div><!----> <p>使用 <code>-i</code> 标志将已下载检查点的路径传递给脚本。<code>--compute-unit</code> 指定允许用于推理的硬件。它必须是以下选项之一：<code>ALL</code>、<code>CPU_AND_GPU</code>、<code>CPU_ONLY</code>、<code>CPU_AND_NE</code>。您还可以提供可选的输出路径以及用于可复现性的随机种子。</p> <p>推理脚本假设您使用的是 Stable Diffusion 模型的原始版本 <code>CompVis/stable-diffusion-v1-4</code>。如果您使用其他模型，则<em>必须</em>使用 <code>--model-version</code> 选项在推理命令行中指定其 Hub id。此方法适用于已支持的模型以及您自行训练或微调的自定义模型。</p> <p>例如，如果你想使用 <a href="https://huggingface.co/stable-diffusion-v1-5/stable-diffusion-v1-5" rel="nofollow"><code>stable-diffusion-v1-5/stable-diffusion-v1-5</code></a>：</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5   text-gray-600  " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 已复制</div><!----></button><!----></div> <pre class="language-shell "><!---->python -m python_coreml_stable_diffusion.pipeline --prompt &quot;a photo of an astronaut riding a horse on mars&quot; --compute-unit ALL -o output --seed 93 -i models/coreml-stable-diffusion-v1-5_original_packages --model-version stable-diffusion-v1-5/stable-diffusion-v1-5<!----></pre></div><!----> <!--[1--><h2 class="relative group"><a id="core-ml-inference-in-swift" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#core-ml-inference-in-swift"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->Swift 中的 Core ML 推理<!----></span></h2><!--]--><!----> <p>在 Swift 中运行推理比在 Python 中稍快，因为模型已经以 <code>mlmodelc</code> 格式编译。在应用启动加载模型时，这种速度差异会比较明显，但如果你随后运行多次生成，则不太容易察觉。</p> <!--[2--><h3 class="relative group"><a id="download" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#download"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->下载<!----></span></h3><!--]--><!----> <p>要在 Mac 上使用 Swift 运行推理，您需要一个<code>compiled</code>检查点版本。我们建议您使用与前面示例类似的 Python 代码在本地下载它们，但需选择<code>compiled</code>变体之一：</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5   text-gray-600  " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 已复制</div><!----></button><!----></div> <pre class="language-Python "><!----><span class="hljs-keyword">from</span> huggingface_hub <span class="hljs-keyword">import</span> snapshot_download
<span class="hljs-keyword">from</span> pathlib <span class="hljs-keyword">import</span> Path

repo_id = <span class="hljs-string">&quot;apple/coreml-stable-diffusion-v1-4&quot;</span>
variant = <span class="hljs-string">&quot;original/compiled&quot;</span>

model_path = Path(<span class="hljs-string">&quot;./models&quot;</span>) / (repo_id.split(<span class="hljs-string">&quot;/&quot;</span>)[-<span class="hljs-number">1</span>] + <span class="hljs-string">&quot;_&quot;</span> + variant.replace(<span class="hljs-string">&quot;/&quot;</span>, <span class="hljs-string">&quot;_&quot;</span>))
snapshot_download(repo_id, allow_patterns=<span class="hljs-string">f&quot;<span class="hljs-subst">{variant}</span>/*&quot;</span>, local_dir=model_path, local_dir_use_symlinks=<span class="hljs-literal">False</span>)
<span class="hljs-built_in">print</span>(<span class="hljs-string">f&quot;Model downloaded at <span class="hljs-subst">{model_path}</span>&quot;</span>)<!----></pre></div><!----> <!--[2--><h3 class="relative group"><a id="swift-inference" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#swift-inference"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->推理<!----></span></h3><!--]--><!----> <p>要运行推理，请克隆 Apple 的仓库：</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5   text-gray-600  " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 已复制</div><!----></button><!----></div> <pre class="language-bash "><!---->git <span class="hljs-built_in">clone</span> https://github.com/apple/ml-stable-diffusion
<span class="hljs-built_in">cd</span> ml-stable-diffusion<!----></pre></div><!----> <p>然后使用 Apple 的命令行工具 <a href="https://www.swift.org/package-manager/#" rel="nofollow">Swift Package Manager</a>：</p> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5   text-gray-600  " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> 已复制</div><!----></button><!----></div> <pre class="language-bash "><!---->swift run StableDiffusionSample --resource-path models/coreml-stable-diffusion-v1-4_original_compiled --compute-units all <span class="hljs-string">&quot;a photo of an astronaut riding a horse on mars&quot;</span><!----></pre></div><!----> <p>您必须在 <code>--resource-path</code> 中指定在上一步中下载的某个检查点，请确保其中包含扩展名为 <code>.mlmodelc</code> 的已编译 Core ML 捆绑包。<code>--compute-units</code> 必须是以下值之一：<code>all</code>、<code>cpuOnly</code>、<code>cpuAndGPU</code>、<code>cpuAndNeuralEngine</code>。</p> <p>有关更多详细信息，请参阅 <a href="https://github.com/apple/ml-stable-diffusion" rel="nofollow">Apple 仓库中的说明</a>。</p> <!--[1--><h2 class="relative group"><a id="supported-diffusers-features" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#supported-diffusers-features"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->支持的 Diffusers 功能<!----></span></h2><!--]--><!----> <p>Core ML 模型和推理代码不支持 🧨 Diffusers 的许多功能、选项和灵活性。以下是需要注意的一些限制：</p> <ul><li>Core ML 模型仅适用于推理，不能用于训练或微调。</li> <li>目前只有两个调度器被移植到了 Swift，即 Stable Diffusion 默认使用的调度器，以及我们从 <code>diffusers</code> 实现中移植到 Swift 的 <code>DPMSolverMultistepScheduler</code>。我们建议使用 <code>DPMSolverMultistepScheduler</code>，因为它大约只需一半的步数即可达到相同的生成质量。</li> <li>推理代码中支持负向提示词、无分类器引导尺度以及图生图任务。深度引导、ControlNet 和潜在上采样器等高级功能目前尚不可用。</li></ul> <p>苹果的<a href="https://github.com/apple/ml-stable-diffusion" rel="nofollow">转换与推理仓库</a>以及我们自己的<a href="https://github.com/huggingface/swift-coreml-diffusers" rel="nofollow">swift-coreml-diffusers</a>仓库旨在作为技术演示，供其他开发者在此基础上进行开发。</p> <p>如果您对某些缺失的功能有强烈需求，请随时提交功能请求，或者更好的方式是提交一个贡献 PR 🙂。</p> <!--[1--><h2 class="relative group"><a id="native-diffusers-swift-app" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#native-diffusers-swift-app"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span><!---->原生 Diffusers Swift 应用<!----></span></h2><!--]--><!----> <p>在 Apple 硬件上运行 Stable Diffusion 的一个简便方法是使用<a href="https://github.com/huggingface/swift-coreml-diffusers" rel="nofollow">我们的开源 Swift 仓库</a>，该仓库基于 <code>diffusers</code> 以及 Apple 的转换与推理仓库构建。你可以研究代码，使用 <a href="https://developer.apple.com/xcode/" rel="nofollow">Xcode</a> 进行编译，并根据自身需求进行适配。为了方便起见，App Store 中还提供了一个<a href="https://apps.apple.com/app/diffusers/id1666309574" rel="nofollow">独立的 Mac 应用</a>，让你无需处理代码或 IDE 即可直接体验。如果你是开发者，并且已确定 Core ML 是构建 Stable Diffusion 应用的最佳方案，那么可以利用本指南的其余部分来启动你的项目。我们迫不及待想看看你会构建出什么 🙂。</p> <a class="!text-gray-400 !no-underline text-sm flex items-center not-prose mt-4" href="https://github.com/huggingface/diffusers/blob/main/docs/source/en/optimization/coreml.md" target="_blank"><svg class="mr-1" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M31,16l-7,7l-1.41-1.41L28.17,16l-5.58-5.59L24,9l7,7z"></path><path d="M1,16l7-7l1.41,1.41L3.83,16l5.58,5.59L8,23l-7-7z"></path><path d="M12.419,25.484L17.639,6.552l1.932,0.518L14.351,26.002z"></path></svg><!----> <span><span class="underline">Update</span> on GitHub</span></a><!----> <p></p><!--]--><!----><!--]--><!--]--><!--]--> <!--[-1--><!--]--><!--]-->
			
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