def testto_string_legacy(self):
"""DeviceSpecV1 allows direct mutation."""
d = device_spec.DeviceSpecV1()
d.job = "foo"
self.assertEqual("/job:foo", d.to_string())
d.task = 3
self.assertEqual("/job:foo/task:3", d.to_string())
d.device_type = "CPU"
d.device_index = 0
self.assertEqual("/job:foo/task:3/device:CPU:0", d.to_string())
d.task = None
d.replica = 12
self.assertEqual("/job:foo/replica:12/device:CPU:0", d.to_string())
d.device_type = "GPU"
d.device_index = 2
self.assertEqual("/job:foo/replica:12/device:GPU:2", d.to_string())
d.device_type = "CPU"
d.device_index = 1
self.assertEqual("/job:foo/replica:12/device:CPU:1", d.to_string())
d.device_type = None
d.device_index = None
self.assertEqual("/job:foo/replica:12", d.to_string())
# Test wildcard
d = device_spec.DeviceSpecV1(job="foo",
replica=12,
task=3,
device_type="GPU")
self.assertEqual("/job:foo/replica:12/task:3/device:GPU:*",
d.to_string())
def test_replace(self, device_spec_type):
d = device_spec_type()
d = d.replace(job="foo")
self.assertEqual("/job:foo", d.to_string())
d = d.replace(task=3)
self.assertEqual("/job:foo/task:3", d.to_string())
d = d.replace(device_type="CPU", device_index=0)
self.assertEqual("/job:foo/task:3/device:CPU:0", d.to_string())
d = d.replace(task=None, replica=12)
self.assertEqual("/job:foo/replica:12/device:CPU:0", d.to_string())
d = d.replace(device_type="GPU", device_index=2)
self.assertEqual("/job:foo/replica:12/device:GPU:2", d.to_string())
d = d.replace(device_type="CPU", device_index=1)
self.assertEqual("/job:foo/replica:12/device:CPU:1", d.to_string())
d = d.replace(device_type=None, device_index=None)
self.assertEqual("/job:foo/replica:12", d.to_string())
# Test wildcard
d = device_spec.DeviceSpecV1(job="foo",
replica=12,
task=3,
device_type="GPU")
self.assertEqual("/job:foo/replica:12/task:3/device:GPU:*",
d.to_string())
def __call__(self, op):
device_spec = tf_device.DeviceSpecV1(replica=self._replica,
device_type=self._device_type,
device_index=self._device_index)
if self._num_tasks > 0:
task_id = self._next_task_id
self._next_task_id = (self._next_task_id + 1) % self._num_tasks
device_spec.job = self._job_name
device_spec.task = task_id
return device_spec.to_string()
def test_parse_legacy(self):
d = device_spec.DeviceSpecV1()
d.parse_from_string("/job:foo/replica:0")
self.assertEqual("/job:foo/replica:0", d.to_string())
d.parse_from_string("/replica:1/task:0/cpu:0")
self.assertEqual("/replica:1/task:0/device:CPU:0", d.to_string())
d.parse_from_string("/replica:1/task:0/device:CPU:0")
self.assertEqual("/replica:1/task:0/device:CPU:0", d.to_string())
d.parse_from_string("/job:muu/device:GPU:2")
self.assertEqual("/job:muu/device:GPU:2", d.to_string())
with self.assertRaisesRegexp(ValueError, "Cannot specify multiple"):
d.parse_from_string("/job:muu/device:GPU:2/cpu:0")
def test_merge_legacy(self):
d = device_spec.DeviceSpecV1.from_string("/job:foo/replica:0")
self.assertEqual("/job:foo/replica:0", d.to_string())
d.merge_from(device_spec.DeviceSpecV1.from_string("/task:1/device:GPU:2"))
self.assertEqual("/job:foo/replica:0/task:1/device:GPU:2", d.to_string())
d = device_spec.DeviceSpecV1()
d.merge_from(device_spec.DeviceSpecV1.from_string("/task:1/cpu:0"))
self.assertEqual("/task:1/device:CPU:0", d.to_string())
d.merge_from(device_spec.DeviceSpecV1.from_string("/job:boo/device:GPU:0"))
self.assertEqual("/job:boo/task:1/device:GPU:0", d.to_string())
d.merge_from(device_spec.DeviceSpecV1.from_string("/job:muu/cpu:2"))
self.assertEqual("/job:muu/task:1/device:CPU:2", d.to_string())
d.merge_from(device_spec.DeviceSpecV1.from_string(
"/job:muu/device:MyFunnyDevice:2"))
self.assertEqual("/job:muu/task:1/device:MyFunnyDevice:2", d.to_string())