51 lines
2.0 KiB
Python
51 lines
2.0 KiB
Python
# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ==============================================================================
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from tensorflow.python.eager import context
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from tensorflow.python.eager import custom_device_testutil
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from tensorflow.python.framework import constant_op
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from tensorflow.python.framework import errors
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from tensorflow.python.framework import ops
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from tensorflow.python.platform import test
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class CustomDeviceTest(test.TestCase):
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def testRegisterCustomDevice(self):
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device_name = '/job:localhost/replica:0/task:0/device:CUSTOM:0'
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device, device_info, arrived_flag, executed_flag = (
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custom_device_testutil.GetLoggingDeviceCapsules(device_name))
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context.register_custom_device(device, device_name, device_info)
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self.assertFalse(custom_device_testutil.FlagValue(arrived_flag))
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self.assertFalse(custom_device_testutil.FlagValue(executed_flag))
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with ops.device(device_name):
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x = constant_op.constant(1.)
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y = x * constant_op.constant(2.)
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self.assertTrue(custom_device_testutil.FlagValue(executed_flag))
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# There was no copy onto the device. Actually I'm not sure how to trigger
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# that from Python.
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self.assertFalse(custom_device_testutil.FlagValue(arrived_flag))
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with self.assertRaisesRegex(errors.InternalError, 'Trying to copy'):
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y.numpy()
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if __name__ == '__main__':
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ops.enable_eager_execution()
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test.main()
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