def testInvalidDeviceNumber(self):
opts = tf_session.TF_NewSessionOptions()
c_session = tf_session.TF_NewSession(ops.get_default_graph()._c_graph, opts)
raw_device_list = tf_session.TF_SessionListDevices(c_session)
size = tf_session.TF_DeviceListCount(raw_device_list)
with self.assertRaises(errors.InvalidArgumentError):
tf_session.TF_DeviceListMemoryBytes(raw_device_list, size)
tf_session.TF_DeleteDeviceList(raw_device_list)
tf_session.TF_CloseSession(c_session)
def testInvalidDeviceNumber(self):
opts = tf_session.TF_NewSessionOptions()
with errors.raise_exception_on_not_ok_status() as status:
c_session = tf_session.TF_NewSession(
ops.get_default_graph()._c_graph, opts, status)
raw_device_list = tf_session.TF_SessionListDevices(
c_session, status)
size = tf_session.TF_DeviceListCount(raw_device_list)
# Test that invalid device numbers return -1 rather than a Swig-wrapped
# pointer.
status_no_exception = c_api_util.ScopedTFStatus()
memory = tf_session.TF_DeviceListMemoryBytes(raw_device_list, size,
status_no_exception)
self.assertEqual(memory, -1)
tf_session.TF_DeleteDeviceList(raw_device_list)
with errors.raise_exception_on_not_ok_status() as status:
tf_session.TF_CloseSession(c_session, status)
def list_devices(session):
with errors.raise_exception_on_not_ok_status() as status:
if session._created_with_new_api:
raw_device_list = tf_session.TF_SessionListDevices(
session._session, status)
else:
raw_device_list = tf_session.TF_DeprecatedSessionListDevices(
session._session, status)
device_list = []
size = tf_session.TF_DeviceListCount(raw_device_list)
for i in range(size):
name = tf_session.TF_DeviceListName(raw_device_list, i, status)
device_type = tf_session.TF_DeviceListType(raw_device_list, i, status)
memory = 0 # tf_session.TF_DeviceListMemoryBytes(raw_device_list, i, status)
device_list.append(_DeviceAttributes(name, device_type, memory))
tf_session.TF_DeleteDeviceList(raw_device_list)
return device_list