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$ pip uninstall tensorflow
$ pip install tensorflow-gpu
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# For tensorflow 2:
print("Num GPUs Available: ", len(tf.config.list_physical_devices('GPU')))
# For tensorflow 1:
sess = tf.Session(config=tf.ConfigProto(log_device_placement=True))
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python -c "import tensorflow as tf; print(tf.config.list_physical_devices('GPU'))"
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if not tf.config.list_physical_devices('GPU'):
print("No GPU was detected. Neural nets can be very slow without a GPU.")
if "google.colab" in sys.modules:
print("Go to Runtime > Change runtime and select a GPU hardware "
"accelerator.")
if "kaggle_secrets" in sys.modules:
print("Go to Settings > Accelerator and select GPU.")