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README.md

TensorFlow 1.x guide (archived)

Note: Please use the latest guide at https://www.tensorflow.org/guide

The documents in this unit dive into the details of how TensorFlow 1.x works. The units are as follows:

High Level APIs

  • Keras, TensorFlow's high-level API for building and training deep learning models.
  • Eager Execution, an API for writing TensorFlow code imperatively, like you would use Numpy.
  • Importing Data, easy input pipelines to bring your data into your TensorFlow program.
  • Estimators, a high-level API that provides fully-packaged models ready for large-scale training and production.

Estimators

Accelerators

  • Distributed Strategy
  • Using GPUs explains how TensorFlow assigns operations to devices and how you can change the arrangement manually.
  • Using TPUs explains how to modify Estimator programs to run on a TPU.

Low Level APIs

  • Introduction, which introduces the basics of how you can use TensorFlow outside of the high Level APIs.
  • Tensors, which explains how to create, manipulate, and access Tensors--the fundamental object in TensorFlow.
  • Variables, which details how to represent shared, persistent state in your program.
  • Graphs and Sessions
  • Control flow, using AutoGraph and tf.function.
  • Save and Restore, which explains how to save and restore variables and models.
  • Ragged Tensors, which explains how to use Ragged Tensors to encode nested variable-length lists.

ML Concepts

  • Embeddings, which introduces the concept of embeddings, provides a simple example of training an embedding in TensorFlow, and explains how to view embeddings with the TensorBoard Embedding Projector.

Debugging

Performance

Performance is an important consideration when training machine learning models. Performance speeds up and scales research while also providing end users with near instant predictions.

  • Performance overview contains a collection of best practices for optimizing your TensorFlow code.
  • Data input pipeline describes the tf.data API for building efficient data input pipelines for TensorFlow.
  • Benchmarks contain a collection of benchmark results for a variety of hardware configurations.

Additionally, TensorFlow Lite has optimization techniques for mobile and embedded devices.

Extend

This section explains how developers can add functionality to TensorFlow's capabilities.

XLA (Accelerated Linear Algebra) is an experimental compiler for linear algebra that optimizes TensorFlow computations.

Misc