TensorFlow Lite 现改名为 LiteRT - Google Developers Blog

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<use href="/glue-icon/#link"></use> </svg> <span></span> </a> </li> </ul> </section> </section> <section class="blocks-container glue-page glue-spacer-3-top"> <div class="block"> <img class="banner-image" src="https://storage.googleapis.com/gweb-developer-goog-blog-assets/images/LiteRT_BlogGraphics_4209x1253px_1.original.jpg" alt="LiteRT Logo" /> <div class="inner-block-content rich-content"> <p data-block-key="zb45t">LiteRT（Lite Runtime 的缩写）是 TensorFlow Lite (TFLite) 的新名称。虽然这个名字是新的，但它仍然是设备上人工智能的同样值得信赖的高性能运行时，现在具有扩展的视野。</p><p data-block-key="e20v2">自 2017 年推出以来，TFLite 已助力开发者在约 27 亿台设备上的超 10 万个应用中实现了 ML 驱动的体验。最近，TFLite 的发展已经超越了其最初的 TensorFlow 基础，开始支持用 <a href="https://ai.google.dev/edge/lite/models/convert_pytorch">PyTorch</a>、<a href="https://ai.google.dev/edge/lite/models/convert_jax">JAX</a> 和 <a href="https://ai.google.dev/edge/lite/models/convert">Keras</a> 编写的模型，并提供同样的领先性能。LiteRT 这个名称体现了面向未来的多框架愿景：使开发者能够以任何流行的框架开始构建，并在设备端以卓越的性能运行其模型。</p><p data-block-key="f5r0t">LiteRT 是 <a href="https://ai.google.dev/edge">Google AI Edge</a> 工具套件的一部分，可让您在 Android、iOS 和嵌入式设备上无缝部署 ML 与 AI 模型的运行库。借助 AI Edge 强大的模型转换和优化工具，您可以为设备端开发同时准备好开源模型和自定义模型。</p> </div> <div class="inner-block-content"> <div class="image-wrapper"> <img class="regular-image" src="https://storage.googleapis.com/gweb-developer-goog-blog-assets/images/Lite-RT-feature.original.png" alt="Lite-RT-feature" /> </div> </div> <div class="inner-block-content rich-content"> <p data-block-key="zb45t">名称更改将逐步推出。从今天开始，您将在开发者文档中看到 LiteRT 的名称，这些文档将迁移到 <a href="http://ai.google.dev/edge/litert">ai.google.dev/edge/litert</a>，同时您还将在 AI Edge 网站的其他引用中看到这一变化。原本位于 <a href="http://tensorflow.org/lite">tensorflow.org/lite</a> 的文档现在会重定向到 <a href="http://ai.google.dev/edge/litert">ai.google.dev/edge/litert</a> 上的相应页面。</p><p data-block-key="40on7">主要的 TensorFlow 品牌不会受到影响，已经使用 TensorFlow Lite 的应用也不会受到影响。</p><h2 data-block-key="7dk9q"><br/><b>如何访问 LiteRT</b></h2><p data-block-key="9b956">我们的目标是将此更改的影响降至最低，尽可能减少开发者对代码的改动。</p><p data-block-key="11rgf"></p><p data-block-key="cj1ed"><b>如果您目前通过软件包使用 TensorFlow Lite，</b>则需要更新任何依赖项才能使用来自 <a href="https://maven.google.com/web/index.html?#com.google.ai.edge.litert">Maven</a>、<a href="https://pypi.org/project/ai-edge-litert">PyPi</a> 和 <a href="https://cocoapods.org/pods/TensorFlowLiteSwift">Cocoapods</a> 的新 LiteRT。</p><p data-block-key="8v4o4"></p><p data-block-key="dgvg"><b>如果您目前通过 Google Play 服务使用 TensorFlow Lite</b>，则当前无需做任何更改。</p><p data-block-key="eng7i"></p><p data-block-key="f1q2g"><b>如果您目前从源代码构建 TensorFlow Lite，</b>请继续从 <a href="https://github.com/tensorflow/tensorflow/tree/master/tensorflow/lite">TensorFlow 代码库</a>进行构建，直到代码在今年晚些时候完全迁移到新的 <a href="https://github.com/google-ai-edge/litert">LiteRT 代码库</a>为止。</p><h2 data-block-key="a57g1"><br/><b>常见问题解答</b></h2><p data-block-key="bd9g7"><b><br/></b>1. <b>除了新名称 LiteRT 之外，还有什么变化？</b></p><p data-block-key="1h53v">目前，唯一的变化就是新名称 LiteRT。您的生产应用不会受到影响。随着新名称和愿景的公布，LiteRT 将会迎来更多更新，以提升您在不同平台上部署经典 ML 模型、LLM 和扩散模型时的 GPU 及 NPU 加速体验。</p><p data-block-key="adflu"><br/>2. <b></b><a href="https://github.com/tensorflow/tflite-support"><b>TensorFlow Lite 支持库</b></a><b>（包括 TensorFlow Lite 任务）会发生什么变化？</b></p><p data-block-key="3mpgt">目前，TensorFlow Lite 支持库和 TensorFlow Lite 任务将保留在 /tensorflow 代码库中。我们鼓励您在未来的开发中使用 <a href="https://ai.google.dev/edge/mediapipe/solutions/tasks">MediaPipe 任务</a>。</p><p data-block-key="1j1mc"><br/>3. <b>TensorFlow Lite Model Maker 会发生什么变化？</b></p><p data-block-key="4hfuf">您可以继续通过 <a href="https://pypi.org/project/tflite-model-maker/">https://pypi.org/project/tflite-model-maker/</a> 访问 TFLite Model Maker</p><p data-block-key="d31cu"><br/>4. <b>如果我想贡献代码，该怎么办？</b></p><p data-block-key="4l54">目前，请在现有的 TensorFlow Lite 代码库中贡献代码。当我们准备好接受对 LiteRT 代码库的贡献时，我们会另行通知。</p><p data-block-key="brf4k"><br/>5. <b>.tflite 文件扩展名和文件格式会发生什么变化？</b></p><p data-block-key="e8qtn">.tflite 文件扩展名或格式将保持不变。转换工具将继续输出 .tflite 扁平缓冲区文件，且 .tflite 文件可以被 LiteRT 读取。</p><p data-block-key="72gfs"><br/>6. <b>如何将模型转换为 .tflite 格式？</b><br/>对于 Tensorflow、Keras 和 Jax，您可以继续使用相同的流。有关 PyTorch 支持，请查看 <a href="https://github.com/google-ai-edge/ai-edge-torch">ai-edge-torch</a>。</p><p data-block-key="cbv9m"><br/>7. <b>类和方法会有任何变化吗？</b><br/>不会。除了软件包名称外，您不必更改目前编写的任何代码。</p><p data-block-key="6769n"><b><br/></b>8. <b></b><a href="https://www.tensorflow.org/js"><b>TensorFlow.js</b></a><b> 会有任何变化吗？</b><br/>不会，TensorFlow.js 将继续作为 Tensorflow 代码库的一部分独立运行。</p><p data-block-key="6htf2"><b><br/></b>9. <b>我的生产应用使用了 TensorFlow Lite，是否会受到影响？</b><br/>已部署 TensorFlow Lite 的应用不会受到影响，包括通过 Google Play 服务访问 TensorFlow Lite 的应用。（由于 TFLite 是在构建时编译进应用中的，因此一旦部署，应用就没有依赖项。）</p><p data-block-key="3p6pd"><b><br/></b>10. <b> 为什么选择“LiteRT”？</b><br/>“LiteRT”（Lite Runtime 的缩写）反映了 TensorFlow Lite（一种开创性的“lite”设备上运行时）的传统，以及 Google 对支持当今蓬勃发展的网络的承诺。多框架生态系统。</p><p data-block-key="bfej6"><b><br/></b>11. <b>TensorFlow Lite 是否仍在积极开发中？</b><br/>是的，但其名称现已变更为 LiteRT。运行库（现称为 LiteRT）以及转换和优化工具的开发工作仍在继续。为了确保您使用的是最新版本的运行库，请使用 <a href="https://ai.google.dev/edge/litert">LiteRT</a>。</p><p data-block-key="53v2t"><br/>12. <b>在哪里可以看到 LiteRT 的实际应用示例？</b></p><p data-block-key="aq536">您可以在官方的 <a href="https://github.com/google-ai-edge/litert-samples">LiteRT 示例代码库</a>中找到 Python、Android 和 iOS 的示例。</p><p data-block-key="4bm06"><br/>我们对设备端 ML 的未来充满期待，并致力于实现我们的愿景：让 LiteRT 成为最易使用、性能最强、适用于多种模型的运行库。</p> </div> </div> </section> <section class="navigation-container glue-page glue-spacer-6-top"> <div class="posted-in-section"> <div class="posted-in-section__heading"> <span class="glue-caption"> 发布于： </span> </div> <div class="posted-in-section__tags"> <ul> <li> <a href="/zh-hans/search/?product_categories=AI+Edge" class="glue-caption">AI Edge</a> </li> <li> <a href="/zh-hans/search/?technology_categories=AI" class="glue-caption">AI</a> </li> <li> <a href="/zh-hans/search/?content_type_categories=Announcements" class="glue-caption">Announcements</a> </li> <li> <a href="/zh-hans/search/?tag=Explore" 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TensorFlow Lite 现改名为 LiteRT - Google Developers Blog