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Merge branch 'tensorflow:master' into lint-ragged-tensor
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‎OWNERS_METADATA‎

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# Text proto format: devtools_piper.OwnersMetadataFile (go/owners_metadata)
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# See go/silos-lite for details on how to use this file for read access control.
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silo_acl {
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# Acknowledgement that silo won't contain privacy sensitive data, like PII.
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silo_will_contain_privacy_sensitive_data: false
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# This retains normal access for regular engineers and other accounts.
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access_type: OPEN
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# This is equivalent to above. Currently, default_ganpati_group is a
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# mandatory field in SiloAcl. We plan to make it optional in case
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# access_type is OPEN.
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default_ganpati_group: "piper-group-default-access"
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# Ganpati1 groups that are granted *read* access in addition to the default
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# group above.
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allowed_ganpati_groups: "restricted-dev-build"
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allowed_ganpati_groups: "job-0000396906033-webdevelopmentdevelopermarketingwebprojects"
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allowed_ganpati_groups: "job-0000551608589-smetechnicalwriterii"
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}

‎site/en/about/bib.md‎

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# TensorFlow White Papers
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# Citing TensorFlow
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This document identifies white papers about TensorFlow.
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TensorFlow publishes a DOI for the open-source code base using Zenodo.org:
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[10.5281/zenodo.4724125](https://doi.org/10.5281/zenodo.4724125)
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TensorFlow's white papers are listed for citation below.
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## Large-Scale Machine Learning on Heterogeneous Distributed Systems
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‎site/en/guide/basic_training_loops.ipynb‎

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"id": "RwWPaJryD2aN"
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},
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"source": [
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"For a look at training, you can send the same batch of *x* an *y* through the training loop, and see how `W` and `b` evolve."
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"For a look at training, you can send the same batch of *x* and *y* through the training loop, and see how `W` and `b` evolve."
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]
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},
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{

‎site/en/guide/checkpoint.ipynb‎

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"source": [
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"### Manually inspecting checkpoints\n",
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"\n",
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"`tf.train.load_checkpoint` returns a `CheckpointReader` that gives lower level access to the checkpoint contents. It contains mappings from each vartiable's key, to the shape and dtype for each variable in the checkpoint. A variable's key is its object path, like in the graphs displayed above.\n",
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"`tf.train.load_checkpoint` returns a `CheckpointReader` that gives lower level access to the checkpoint contents. It contains mappings from each variable's key, to the shape and dtype for each variable in the checkpoint. A variable's key is its object path, like in the graphs displayed above.\n",
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"\n",
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"Note: There is no higher level structure to the checkpoint. It only know's the paths and values for the variables, and has no concept of `models`, `layers` or how they are connected."
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]

‎site/en/guide/tpu.ipynb‎

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‎site/en/guide/variable.ipynb‎

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"print(\"\\nIndex of highest value:\", tf.argmax(my_variable))\n",
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"\n",
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"# This creates a new tensor; it does not reshape the variable.\n",
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"print(\"\\nCopying and reshaping: \", tf.reshape(my_variable, ([1,4])))"
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"print(\"\\nCopying and reshaping: \", tf.reshape(my_variable, [1,4]))"
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]
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},
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{

‎site/en/install/_index.yaml‎

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</td><td>
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<ul>
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<li>macOS 10.12.6 (Sierra) or later (no GPU support)</li>
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<li>Raspbian 9.0 or later</li>
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</ul>
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</td></tr>
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</table>
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description: >
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<p>Install TensorFlow with Python's <em>pip</em> package manager.</p>
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<aside class="note">TensorFlow 2 packages require a <code>pip</code> version >19.0 (or >20.3 for macOS).</aside>
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<p>Official packages available for Ubuntu, Windows, macOS, and the Raspberry Pi.</p>
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<p>Official packages available for Ubuntu, Windows, and macOS.</p>
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<p>See the <a href="./gpu">GPU guide</a> for CUDA®-enabled cards.</p>
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buttons:

‎site/en/install/pip.html‎

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Redistributable for Visual Studio 2015, 2017 and 2019</a></li>
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</ul>
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</li>
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<li>Raspbian 9.0 or later</li>
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<li><a href="./gpu">GPU support</a> requires a CUDA®-enabled card <em>(Ubuntu and Windows)</em></li>
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</ul>
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<p>Install the <em>64-bit</em> <a href="https://www.python.org/downloads/windows/" class="external">Python 3 release for Windows</a> (select <code>pip</code> as an optional feature).</p>
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</section>
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<section>
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<h3>Raspberry Pi</h3>
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<p>Requirements for the <a href="https://www.raspberrypi.org/downloads/raspbian/" class="external">Raspbian</a> operating system:</p>
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<pre class="prettyprint lang-bsh">
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<code class="devsite-terminal">sudo apt update</code>
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<code class="devsite-terminal">sudo apt install python3-dev python3-pip python3-venv</code>
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<code class="devsite-terminal">sudo apt install libatlas-base-dev # required for numpy</code>
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</pre>
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</section>
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<h3>Other</h3>
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<pre class="prettyprint lang-bsh">
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<tr class="alt"><td colspan="2">Linux</td></tr>
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<td>Python 3.6 GPU&nbsp;support</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-2.4.0-cp36-cp36m-manylinux2010_x86_64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-2.5.0-cp36-cp36m-manylinux2010_x86_64.whl</td>
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</tr>
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<td>Python 3.6 CPU-only</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-2.4.0-cp36-cp36m-manylinux2010_x86_64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-2.5.0-cp36-cp36m-manylinux2010_x86_64.whl</td>
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</tr>
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<td>Python 3.7 GPU&nbsp;support</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-2.4.0-cp37-cp37m-manylinux2010_x86_64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-2.5.0-cp37-cp37m-manylinux2010_x86_64.whl</td>
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</tr>
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<td>Python 3.7 CPU-only</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-2.4.0-cp37-cp37m-manylinux2010_x86_64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-2.5.0-cp37-cp37m-manylinux2010_x86_64.whl</td>
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</tr>
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<td>Python 3.8 GPU&nbsp;support</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-2.4.0-cp38-cp38-manylinux2010_x86_64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-2.5.0-cp38-cp38-manylinux2010_x86_64.whl</td>
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<td>Python 3.8 CPU-only</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-2.4.0-cp38-cp38-manylinux2010_x86_64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-2.5.0-cp38-cp38-manylinux2010_x86_64.whl</td>
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</tr>
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<tr>
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<td>Python 3.9 GPU&nbsp;support</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/gpu/tensorflow_gpu-2.5.0-cp39-cp39-manylinux2010_x86_64.whl</td>
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</tr>
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<tr>
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<td>Python 3.9 CPU-only</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow_cpu-2.5.0-cp39-cp39-manylinux2010_x86_64.whl</td>
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<tr class="alt"><td colspan="2">macOS (CPU-only)</td></tr>
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<td>Python 3.6</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-2.4.0-cp36-cp36m-macosx_10_9_x86_64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-2.5.0-cp36-cp36m-macosx_10_11_x86_64.whl</td>
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</tr>
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<td>Python 3.7</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-2.4.0-cp37-cp37m-macosx_10_9_x86_64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-2.5.0-cp37-cp37m-macosx_10_11_x86_64.whl</td>
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</tr>
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<tr>
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<td>Python 3.8</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-2.5.0-cp38-cp38-macosx_10_11_x86_64.whl</td>
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</tr>
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<tr>
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<td>Python 3.8</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-2.4.0-cp38-cp38-macosx_10_14_x86_64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-2.5.0-cp39-cp39-macosx_10_11_x86_64.whl</td>
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<td>Python 3.6 GPU&nbsp;support</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/gpu/tensorflow_gpu-2.4.0-cp36-cp36m-win_amd64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/gpu/tensorflow_gpu-2.5.0-cp36-cp36m-win_amd64.whl</td>
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</tr>
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<td>Python 3.6 CPU-only</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/cpu/tensorflow_cpu-2.4.0-cp36-cp36m-win_amd64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/cpu/tensorflow_cpu-2.5.0-cp36-cp36m-win_amd64.whl</td>
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</tr>
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<tr>
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<td>Python 3.7 GPU&nbsp;support</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/gpu/tensorflow_gpu-2.4.0-cp37-cp37m-win_amd64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/gpu/tensorflow_gpu-2.5.0-cp37-cp37m-win_amd64.whl</td>
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</tr>
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<td>Python 3.7 CPU-only</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/cpu/tensorflow_cpu-2.4.0-cp37-cp37m-win_amd64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/cpu/tensorflow_cpu-2.5.0-cp37-cp37m-win_amd64.whl</td>
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</tr>
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<tr>
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<td>Python 3.8 GPU&nbsp;support</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/gpu/tensorflow_gpu-2.4.0-cp38-cp38-win_amd64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/gpu/tensorflow_gpu-2.5.0-cp38-cp38-win_amd64.whl</td>
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</tr>
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<td>Python 3.8 CPU-only</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/cpu/tensorflow_cpu-2.4.0-cp38-cp38-win_amd64.whl</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/cpu/tensorflow_cpu-2.5.0-cp38-cp38-win_amd64.whl</td>
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</tr>
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<tr class="alt"><td colspan="2">Raspberry PI (CPU-only)</td></tr>
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<td>Python 3, Pi0 or Pi1</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/raspberrypi/tensorflow-2.3.0rc2-cp35-none-linux_armv6l.whl</td>
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<td>Python 3.9 GPU&nbsp;support</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/gpu/tensorflow_gpu-2.5.0-cp39-cp39-win_amd64.whl</td>
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<td>Python 3, Pi2 or Pi3</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/raspberrypi/tensorflow-2.3.0rc2-cp35-none-linux_armv6l.whl</td>
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<tr>
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<td>Python 3.9 CPU-only</td>
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<td class="devsite-click-to-copy">https://storage.googleapis.com/tensorflow/windows/cpu/tensorflow_cpu-2.5.0-cp39-cp39-win_amd64.whl</td>
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</table>
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</body>

‎site/en/install/source.md‎

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<table>
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<tr><td>tensorflow-2.5.0</td><td>3.6-3.9</td><td>GCC 7.3.1</td><td>Bazel 3.1.0</td></tr>
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<tr><td>tensorflow-2.4.0</td><td>3.6-3.8</td><td>GCC 7.3.1</td><td>Bazel 3.1.0</td></tr>
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<tr><td>tensorflow-2.3.0</td><td>3.5-3.8</td><td>GCC 7.3.1</td><td>Bazel 3.1.0</td></tr>
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<tr><td>tensorflow-2.2.0</td><td>3.5-3.8</td><td>GCC 7.3.1</td><td>Bazel 2.0.0</td></tr>
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<table>
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<tr><th>Version</th><th>Python version</th><th>Compiler</th><th>Build tools</th><th>cuDNN</th><th>CUDA</th></tr>
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<tr><td>tensorflow-2.5.0</td><td>3.6-3.9</td><td>GCC 7.3.1</td><td>Bazel 3.1.0</td><td>8.0</td><td>11.0</td></tr>
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<tr><td>tensorflow-2.4.0</td><td>3.6-3.8</td><td>GCC 7.3.1</td><td>Bazel 3.1.0</td><td>8.0</td><td>11.0</td></tr>
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<tr><td>tensorflow-2.3.0</td><td>3.5-3.8</td><td>GCC 7.3.1</td><td>Bazel 3.1.0</td><td>7.6</td><td>10.1</td></tr>
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<tr><td>tensorflow-2.2.0</td><td>3.5-3.8</td><td>GCC 7.3.1</td><td>Bazel 2.0.0</td><td>7.6</td><td>10.1</td></tr>
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<tr><td>tensorflow-2.5.0</td><td>3.6-3.9</td><td>Clang from xcode 10.11</td><td>Bazel 3.1.0</td></tr>
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<tr><td>tensorflow-2.4.0</td><td>3.6-3.8</td><td>Clang from xcode 10.3</td><td>Bazel 3.1.0</td></tr>
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<tr><td>tensorflow-2.3.0</td><td>3.5-3.8</td><td>Clang from xcode 10.1</td><td>Bazel 3.1.0</td></tr>
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<tr><td>tensorflow-2.2.0</td><td>3.5-3.8</td><td>Clang from xcode 10.1</td><td>Bazel 2.0.0</td></tr>

‎site/en/install/source_windows.md‎

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<table>
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<tr><td>tensorflow-2.5.0</td><td>3.6-3.9</td><td>MSVC 2019</td><td>Bazel 3.1.0</td></tr>
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<tr><td>tensorflow-2.4.0</td><td>3.6-3.8</td><td>MSVC 2019</td><td>Bazel 3.1.0</td></tr>
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<tr><td>tensorflow-2.3.0</td><td>3.5-3.8</td><td>MSVC 2019</td><td>Bazel 3.1.0</td></tr>
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<tr><td>tensorflow-2.2.0</td><td>3.5-3.8</td><td>MSVC 2019</td><td>Bazel 2.0.0</td></tr>
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<table>
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<tr><th>Version</th><th>Python version</th><th>Compiler</th><th>Build tools</th><th>cuDNN</th><th>CUDA</th></tr>
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<tr><td>tensorflow_gpu-2.5.0</td><td>3.6-3.9</td><td>MSVC 2019</td><td>Bazel 3.1.0</td><td>8.0</td><td>11.0</td></tr>
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<tr><td>tensorflow_gpu-2.4.0</td><td>3.6-3.8</td><td>MSVC 2019</td><td>Bazel 3.1.0</td><td>8.0</td><td>11.0</td></tr>
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<tr><td>tensorflow_gpu-2.3.0</td><td>3.5-3.8</td><td>MSVC 2019</td><td>Bazel 3.1.0</td><td>7.6</td><td>10.1</td></tr>
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<tr><td>tensorflow_gpu-2.2.0</td><td>3.5-3.8</td><td>MSVC 2019</td><td>Bazel 2.0.0</td><td>7.6</td><td>10.1</td></tr>

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