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TensorFlow is an end-to-end open source platform for machine learning. It has a comprehensive, flexible ecosystem oftools,libraries, andcommunity resources that lets researchers push the state-of-the-art in ML and developers easily build and deploy ML-powered applications.

TensorFlow was originally developed by researchers and engineers working on the Google Brain team within Google's Machine Intelligence Research organization to conduct machine learning and deep neural networks research. The system is general enough to be applicable in a wide variety of other domains, as well.

TensorFlow provides stable Pythonand C++ APIs, as well as non-guaranteed backward compatible API forother languages.

Keep up-to-date with release announcements and security updates by subscribing toannounce@tensorflow.org. See all the mailing lists.

Install

See the TensorFlow install guide for thepip package, toenable GPU support, use aDocker container, andbuild from source.

To install the current release, which includes support forCUDA-enabled GPU cards (Ubuntu and Windows):

$ pip install tensorflow

A smaller CPU-only package is also available:

$ pip install tensorflow-cpu

To update TensorFlow to the latest version, add --upgrade flag to the above commands.

Nightly binaries are available for testing using thetf-nightly andtf-nightly-cpu packages on PyPi.

Try your first TensorFlow program

$ python
>>> import tensorflow as tf
>>> tf.add(1, 2).numpy()
3
>>> hello = tf.constant('Hello, TensorFlow!')
>>> hello.numpy()
b'Hello, TensorFlow!'

For more examples, see theTensorFlow tutorials.

Contribution guidelines

If you want to contribute to TensorFlow, be sure to review thecontribution guidelines. This project adheres to TensorFlow'scode of conduct. By participating, you are expected to uphold this code.

We use GitHub issues for tracking requests and bugs, please seeTensorFlow Discussfor general questions and discussion, and please direct specific questions toStack Overflow.

The TensorFlow project strives to abide by generally accepted best practices in open-source software development:

Fuzzing StatusCII Best PracticesContributor Covenant

Continuous build status

Official Builds

Build TypeStatusArtifacts
Linux CPUStatusPyPI
Linux GPUStatusPyPI
Linux XLAStatusTBA
macOSStatusPyPI
Windows CPUStatusPyPI
Windows GPUStatusPyPI
AndroidStatusDownload
Raspberry Pi 0 and 1StatusPy3
Raspberry Pi 2 and 3StatusPy3
Libtensorflow MacOS CPUStatusNightly GCS Official GCS
Libtensorflow Linux CPUStatusNightly GCS Official GCS
Libtensorflow Linux GPUStatusNightly GCS Official GCS
Libtensorflow Windows CPUStatusNightly GCS Official GCS
Libtensorflow Windows GPUStatusNightly GCS Official GCS

Community Supported Builds

Build TypeStatusArtifacts
Linux AMD ROCm GPU NightlyBuild StatusNightly
Linux AMD ROCm GPU Stable ReleaseBuild StatusRelease 1.15 / 2.x
Linux s390x NightlyBuild StatusNightly
Linux s390x CPU Stable ReleaseBuild StatusRelease
Linux ppc64le CPU NightlyBuild StatusNightly
Linux ppc64le CPU Stable ReleaseBuild StatusRelease 1.15 / 2.x
Linux ppc64le GPU NightlyBuild StatusNightly
Linux ppc64le GPU Stable ReleaseBuild StatusRelease 1.15 / 2.x
Linux aarch64 CPU Nightly (Linaro)Build StatusNightly
Linux aarch64 CPU Stable Release (Linaro)Build StatusRelease 1.x & 2.x
Linux aarch64 CPU Nightly (OpenLab)
Python 3.6
Build StatusNightly
Linux aarch64 CPU Stable Release (OpenLab)Build StatusRelease 1.15 / 2.x
Linux CPU with Intel oneAPI Deep Neural Network Library (oneDNN) NightlyBuild StatusNightly
Linux CPU with Intel oneAPI Deep Neural Network Library (oneDNN) Stable ReleaseBuild StatusRelease 1.15 / 2.x
Red Hat® Enterprise Linux® 7.6 CPU & GPU
Python 2.7, 3.6
Build Status1.13.1 PyPI

Community Supported Containers

Container TypeStatusArtifacts
TensorFlow aarch64 Neoverse-N1 CPU Stable (Linaro)
Debian
StaticRelease 2.3

Resources

Learn more about theTensorFlow community and how tocontribute.

License

Apache License 2.0


代码语言分布

C++ 61.1%
Python 26.2%
HTML 2.9%
Starlark 2.9%
MLIR 2.8%
Go 1.2%
other 2.9%
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