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change: add automatic model tuning integ test for TF script mode #766

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Merged
merged 3 commits into from
Apr 25, 2019
Merged

change: add automatic model tuning integ test for TF script mode #766

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change: add automatic model tuning integ test for TF script mode
laurenyu Apr 25, 2019
68ae57b
Merge branch 'master' into tf-script-mode-tuning-integ-test
laurenyu Apr 25, 2019
15fcb3a
Merge branch 'master' into tf-script-mode-tuning-integ-test
laurenyu Apr 25, 2019
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38 changes: 38 additions & 0 deletions tests/integ/test_tuner.py
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Original file line number Diff line number Diff line change
Expand Up @@ -441,6 +441,44 @@ def test_tuning_mxnet(sagemaker_session, mxnet_full_version):
predictor.predict(data)


@pytest.mark.canary_quick
def test_tuning_tf_script_mode(sagemaker_session):
resource_path = os.path.join(DATA_DIR, 'tensorflow_mnist')
script_path = os.path.join(resource_path, 'mnist.py')

estimator = TensorFlow(entry_point=script_path,
role='SageMakerRole',
train_instance_count=1,
train_instance_type='ml.m4.xlarge',
script_mode=True,
sagemaker_session=sagemaker_session,
py_version=PYTHON_VERSION,
framework_version=TensorFlow.LATEST_VERSION)

hyperparameter_ranges = {'epochs': IntegerParameter(1, 2)}
objective_metric_name = 'accuracy'
metric_definitions = [{'Name': objective_metric_name, 'Regex': 'accuracy = ([0-9\\.]+)'}]

tuner = HyperparameterTuner(estimator,
objective_metric_name,
hyperparameter_ranges,
metric_definitions,
max_jobs=2,
max_parallel_jobs=2)

with timeout(minutes=TUNING_DEFAULT_TIMEOUT_MINUTES):
inputs = estimator.sagemaker_session.upload_data(path=os.path.join(resource_path, 'data'),
key_prefix='scriptmode/mnist')

tuning_job_name = unique_name_from_base('tune-tf-script-mode', max_length=32)
tuner.fit(inputs, job_name=tuning_job_name)

print('Started hyperparameter tuning job with name: ' + tuning_job_name)

time.sleep(15)
tuner.wait()


@pytest.mark.canary_quick
@pytest.mark.skipif(PYTHON_VERSION != 'py2', reason="TensorFlow image supports only python 2.")
def test_tuning_tf(sagemaker_session):
Expand Down