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Returns the name of a GPU device if available or a empty string.
tf.test.gpu_device_name()
This method should only be used in tests written with tf.test.TestCase
.
class MyTest(tf.test.TestCase):
def test_add_on_gpu(self):
if not tf.test.is_built_with_gpu_support():
self.skipTest("test is only applicable on GPU")
with tf.device(tf.test.gpu_device_name()):
self.assertEqual(tf.math.add(1.0, 2.0), 3.0)