def test_remove_unused_flags_with_empty_optimizer(self):
hparam_dict = collections.OrderedDict([('optimizer', '')])
with self.assertRaisesRegex(
ValueError, 'The flag optimizer was not set. '
'Unable to determine the relevant optimizer.'):
_ = optimizer_utils.remove_unused_flags(
prefix=None, hparam_dict=hparam_dict)
def _get_hparam_flags():
"""Returns an ordered dictionary of pertinent hyperparameter flags."""
hparam_dict = utils_impl.lookup_flag_values(shared_flags)
# Update with optimizer flags corresponding to the chosen optimizers.
opt_flag_dict = utils_impl.lookup_flag_values(optimizer_flags)
opt_flag_dict = optimizer_utils.remove_unused_flags('client', opt_flag_dict)
opt_flag_dict = optimizer_utils.remove_unused_flags('server', opt_flag_dict)
hparam_dict.update(opt_flag_dict)
# Update with task-specific flags.
task_name = FLAGS.task
if task_name in TASK_FLAGS:
task_hparam_dict = utils_impl.lookup_flag_values(TASK_FLAGS[task_name])
hparam_dict.update(task_hparam_dict)
return hparam_dict
def test_remove_unused_flags_without_prefix(self):
hparam_dict = collections.OrderedDict([('optimizer', 'sgd'), ('value', 0.1),
('sgd_momentum', 0.3),
('adam_momentum', 0.5)])
relevant_hparam_dict = optimizer_utils.remove_unused_flags(
prefix=None, hparam_dict=hparam_dict)
expected_flag_names = ['optimizer', 'value', 'sgd_momentum']
self.assertCountEqual(relevant_hparam_dict.keys(), expected_flag_names)
self.assertEqual(relevant_hparam_dict['optimizer'], 'sgd')
self.assertEqual(relevant_hparam_dict['value'], 0.1)
self.assertEqual(relevant_hparam_dict['sgd_momentum'], 0.3)
def test_remove_unused_flags_with_prefix(self):
hparam_dict = collections.OrderedDict([('client_optimizer', 'sgd'),
('non_client_value', 0.1),
('client_sgd_momentum', 0.3),
('client_adam_momentum', 0.5)])
relevant_hparam_dict = optimizer_utils.remove_unused_flags(
'client', hparam_dict)
expected_flag_names = [
'client_optimizer', 'non_client_value', 'client_sgd_momentum'
]
self.assertCountEqual(relevant_hparam_dict.keys(), expected_flag_names)
self.assertEqual(relevant_hparam_dict['client_optimizer'], 'sgd')
self.assertEqual(relevant_hparam_dict['non_client_value'], 0.1)
self.assertEqual(relevant_hparam_dict['client_sgd_momentum'], 0.3)
def test_removal_with_standard_default_values(self):
hparam_dict = collections.OrderedDict([('client_optimizer', 'adam'),
('non_client_value', 0),
('client_sgd_momentum', 0),
('client_adam_param1', None),
('client_adam_param2', False)])
relevant_hparam_dict = optimizer_utils.remove_unused_flags(
'client', hparam_dict)
expected_flag_names = [
'client_optimizer', 'non_client_value', 'client_adam_param1',
'client_adam_param2'
]
self.assertCountEqual(relevant_hparam_dict.keys(), expected_flag_names)
self.assertEqual(relevant_hparam_dict['client_optimizer'], 'adam')
self.assertEqual(relevant_hparam_dict['non_client_value'], 0)
self.assertIsNone(relevant_hparam_dict['client_adam_param1'])
self.assertEqual(relevant_hparam_dict['client_adam_param2'], False)
def test_remove_unused_flags_without_optimizer_flag(self):
hparam_dict = collections.OrderedDict([('client_opt_fn', 'sgd'),
('client_sgd_momentum', 0.3)])
with self.assertRaisesRegex(ValueError,
'The flag client_optimizer was not defined.'):
_ = optimizer_utils.remove_unused_flags('client', hparam_dict)