TensorFlow API r1.7 tf.contrib.eager.num_gpus tf.contrib.eager.num_gpus() Defined in tensorflow/python/eager/context.py. Get the number of available GPU devices. Returns: The number of available GPU devices. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated March 29, 2018.