tf.test.is_gpu_available(cuda_only=False)See the guide: Testing > Utilities
Returns whether TensorFlow can access a GPU.
cuda_only: limit the search to CUDA gpus.True iff a gpu device of the requested kind is available.
Defined in tensorflow/python/platform/test.py.
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Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/api_docs/python/tf/test/is_gpu_available