def test_ntm_airflow_config_uploads_data_source_to_s3(sagemaker_session, cpu_instance_type):
with timeout(seconds=AIRFLOW_CONFIG_TIMEOUT_IN_SECONDS):
data_path = os.path.join(DATA_DIR, "ntm")
data_filename = "nips-train_1.pbr"
with open(os.path.join(data_path, data_filename), "rb") as f:
all_records = read_records(f)
# all records must be same
feature_num = int(all_records[0].features["values"].float32_tensor.shape[0])
ntm = NTM(
role=ROLE,
train_instance_count=SINGLE_INSTANCE_COUNT,
train_instance_type=cpu_instance_type,
num_topics=10,
sagemaker_session=sagemaker_session,
)
records = prepare_record_set_from_local_files(
data_path, ntm.data_location, len(all_records), feature_num, sagemaker_session
)
training_config = _build_airflow_workflow(
estimator=ntm, instance_type=cpu_instance_type, inputs=records
)
_assert_that_s3_url_contains_data(
sagemaker_session,
training_config["InputDataConfig"][0]["DataSource"]["S3DataSource"]["S3Uri"],
)
def test_ntm(sagemaker_session):
with timeout(minutes=TRAINING_DEFAULT_TIMEOUT_MINUTES):
data_path = os.path.join(DATA_DIR, 'ntm')
data_filename = 'nips-train_1.pbr'
with open(os.path.join(data_path, data_filename), 'rb') as f:
all_records = read_records(f)
# all records must be same
feature_num = int(all_records[0].features['values'].float32_tensor.shape[0])
ntm = NTM(role='SageMakerRole', train_instance_count=1, train_instance_type='ml.c4.xlarge', num_topics=10,
sagemaker_session=sagemaker_session, base_job_name='test-ntm')
record_set = prepare_record_set_from_local_files(data_path, ntm.data_location,
len(all_records), feature_num, sagemaker_session)
ntm.fit(record_set, None)
endpoint_name = unique_name_from_base('ntm')
with timeout_and_delete_endpoint_by_name(endpoint_name, sagemaker_session):
model = NTMModel(ntm.model_data, role='SageMakerRole', sagemaker_session=sagemaker_session)
predictor = model.deploy(1, 'ml.c4.xlarge', endpoint_name=endpoint_name)
predict_input = np.random.rand(1, feature_num)
result = predictor.predict(predict_input)
assert len(result) == 1
for record in result:
assert record.label["topic_weights"] is not None
def test_lda(sagemaker_session, cpu_instance_type):
job_name = unique_name_from_base("lda")
with timeout(minutes=TRAINING_DEFAULT_TIMEOUT_MINUTES):
data_path = os.path.join(DATA_DIR, "lda")
data_filename = "nips-train_1.pbr"
with open(os.path.join(data_path, data_filename), "rb") as f:
all_records = read_records(f)
# all records must be same
feature_num = int(all_records[0].features["values"].float32_tensor.shape[0])
lda = LDA(
role="SageMakerRole",
instance_type=cpu_instance_type,
num_topics=10,
sagemaker_session=sagemaker_session,
)
record_set = prepare_record_set_from_local_files(
data_path, lda.data_location, len(all_records), feature_num, sagemaker_session
)
lda.fit(records=record_set, mini_batch_size=100, job_name=job_name)
with timeout_and_delete_endpoint_by_name(job_name, sagemaker_session):
model = LDAModel(lda.model_data, role="SageMakerRole", sagemaker_session=sagemaker_session)
predictor = model.deploy(1, cpu_instance_type, endpoint_name=job_name)
predict_input = np.random.rand(1, feature_num)
result = predictor.predict(predict_input)
assert len(result) == 1
for record in result:
assert record.label["topic_mixture"] is not None
def test_lda(sagemaker_session):
with timeout(minutes=15):
data_path = os.path.join(DATA_DIR, 'lda')
data_filename = 'nips-train_1.pbr'
with open(os.path.join(data_path, data_filename), 'rb') as f:
all_records = read_records(f)
# all records must be same
feature_num = int(all_records[0].features['values'].float32_tensor.shape[0])
lda = LDA(role='SageMakerRole', train_instance_type='ml.c4.xlarge', num_topics=10,
sagemaker_session=sagemaker_session, base_job_name='test-lda')
record_set = prepare_record_set_from_local_files(data_path, lda.data_location,
len(all_records), feature_num, sagemaker_session)
lda.fit(record_set, 100)
endpoint_name = name_from_base('lda')
with timeout_and_delete_endpoint_by_name(endpoint_name, sagemaker_session):
model = LDAModel(lda.model_data, role='SageMakerRole', sagemaker_session=sagemaker_session)
predictor = model.deploy(1, 'ml.c4.xlarge', endpoint_name=endpoint_name)
predict_input = np.random.rand(1, feature_num)
result = predictor.predict(predict_input)
assert len(result) == 1
for record in result:
assert record.label["topic_mixture"] is not None
def test_ntm(sagemaker_session):
with timeout(minutes=TRAINING_DEFAULT_TIMEOUT_MINUTES):
data_path = os.path.join(DATA_DIR, 'ntm')
data_filename = 'nips-train_1.pbr'
with open(os.path.join(data_path, data_filename), 'rb') as f:
all_records = read_records(f)
# all records must be same
feature_num = int(all_records[0].features['values'].float32_tensor.shape[0])
ntm = NTM(role='SageMakerRole', train_instance_count=1, train_instance_type='ml.c4.xlarge', num_topics=10,
sagemaker_session=sagemaker_session, base_job_name='test-ntm')
record_set = prepare_record_set_from_local_files(data_path, ntm.data_location,
len(all_records), feature_num, sagemaker_session)
ntm.fit(record_set, None)
endpoint_name = name_from_base('ntm')
with timeout_and_delete_endpoint_by_name(endpoint_name, sagemaker_session):
model = NTMModel(ntm.model_data, role='SageMakerRole', sagemaker_session=sagemaker_session)
predictor = model.deploy(1, 'ml.c4.xlarge', endpoint_name=endpoint_name)
predict_input = np.random.rand(1, feature_num)
result = predictor.predict(predict_input)
assert len(result) == 1
for record in result:
assert record.label["topic_weights"] is not None
def test_ntm_serverless_inference(sagemaker_session, cpu_instance_type):
job_name = unique_name_from_base("ntm-serverless")
with timeout(minutes=TRAINING_DEFAULT_TIMEOUT_MINUTES):
data_path = os.path.join(DATA_DIR, "ntm")
data_filename = "nips-train_1.pbr"
with open(os.path.join(data_path, data_filename), "rb") as f:
all_records = read_records(f)
# all records must be same
feature_num = int(all_records[0].features["values"].float32_tensor.shape[0])
ntm = NTM(
role="SageMakerRole",
instance_count=1,
instance_type=cpu_instance_type,
num_topics=10,
sagemaker_session=sagemaker_session,
)
record_set = prepare_record_set_from_local_files(
data_path, ntm.data_location, len(all_records), feature_num, sagemaker_session
)
ntm.fit(records=record_set, job_name=job_name)
with timeout_and_delete_endpoint_by_name(job_name, sagemaker_session):
model = NTMModel(ntm.model_data, role="SageMakerRole", sagemaker_session=sagemaker_session)
predictor = model.deploy(
serverless_inference_config=ServerlessInferenceConfig(), endpoint_name=job_name
)
assert isinstance(predictor, Predictor)
def test_tuning_lda(sagemaker_session):
with timeout(minutes=TUNING_DEFAULT_TIMEOUT_MINUTES):
data_path = os.path.join(DATA_DIR, 'lda')
data_filename = 'nips-train_1.pbr'
with open(os.path.join(data_path, data_filename), 'rb') as f:
all_records = read_records(f)
# all records must be same
feature_num = int(
all_records[0].features['values'].float32_tensor.shape[0])
lda = LDA(role='SageMakerRole',
train_instance_type='ml.c4.xlarge',
num_topics=10,
sagemaker_session=sagemaker_session,
base_job_name='test-lda')
record_set = prepare_record_set_from_local_files(
data_path, lda.data_location, len(all_records), feature_num,
sagemaker_session)
test_record_set = prepare_record_set_from_local_files(
data_path, lda.data_location, len(all_records), feature_num,
sagemaker_session)
test_record_set.channel = 'test'
# specify which hp you want to optimize over
hyperparameter_ranges = {
'alpha0': ContinuousParameter(1, 10),
'num_topics': IntegerParameter(1, 2)
}
objective_metric_name = 'test:pwll'
tuner = HyperparameterTuner(
estimator=lda,
objective_metric_name=objective_metric_name,
hyperparameter_ranges=hyperparameter_ranges,
objective_type='Maximize',
max_jobs=2,
max_parallel_jobs=2)
tuner.fit([record_set, test_record_set], mini_batch_size=1)
print('Started hyperparameter tuning job with name:' +
tuner.latest_tuning_job.name)
time.sleep(15)
tuner.wait()
best_training_job = tuner.best_training_job()
with timeout_and_delete_endpoint_by_name(best_training_job,
sagemaker_session):
predictor = tuner.deploy(1, 'ml.c4.xlarge')
predict_input = np.random.rand(1, feature_num)
result = predictor.predict(predict_input)
assert len(result) == 1
for record in result:
assert record.label['topic_mixture'] is not None
def test_tuning_lda(sagemaker_session):
with timeout(minutes=TUNING_DEFAULT_TIMEOUT_MINUTES):
data_path = os.path.join(DATA_DIR, 'lda')
data_filename = 'nips-train_1.pbr'
with open(os.path.join(data_path, data_filename), 'rb') as f:
all_records = read_records(f)
# all records must be same
feature_num = int(all_records[0].features['values'].float32_tensor.shape[0])
lda = LDA(role='SageMakerRole', train_instance_type='ml.c4.xlarge', num_topics=10,
sagemaker_session=sagemaker_session, base_job_name='test-lda')
record_set = prepare_record_set_from_local_files(data_path, lda.data_location,
len(all_records), feature_num, sagemaker_session)
test_record_set = prepare_record_set_from_local_files(data_path, lda.data_location,
len(all_records), feature_num, sagemaker_session)
test_record_set.channel = 'test'
# specify which hp you want to optimize over
hyperparameter_ranges = {'alpha0': ContinuousParameter(1, 10),
'num_topics': IntegerParameter(1, 2)}
objective_metric_name = 'test:pwll'
tuner = HyperparameterTuner(estimator=lda, objective_metric_name=objective_metric_name,
hyperparameter_ranges=hyperparameter_ranges, objective_type='Maximize', max_jobs=2,
max_parallel_jobs=2)
tuner.fit([record_set, test_record_set], mini_batch_size=1)
print('Started hyperparameter tuning job with name:' + tuner.latest_tuning_job.name)
time.sleep(15)
tuner.wait()
best_training_job = tuner.best_training_job()
with timeout_and_delete_endpoint_by_name(best_training_job, sagemaker_session):
predictor = tuner.deploy(1, 'ml.c4.xlarge')
predict_input = np.random.rand(1, feature_num)
result = predictor.predict(predict_input)
assert len(result) == 1
for record in result:
assert record.label['topic_mixture'] is not None
def test_tuning_lda(sagemaker_session, cpu_instance_type):
with timeout(minutes=TUNING_DEFAULT_TIMEOUT_MINUTES):
data_path = os.path.join(DATA_DIR, "lda")
data_filename = "nips-train_1.pbr"
with open(os.path.join(data_path, data_filename), "rb") as f:
all_records = read_records(f)
# all records must be same
feature_num = int(
all_records[0].features["values"].float32_tensor.shape[0])
lda = LDA(
role="SageMakerRole",
instance_type=cpu_instance_type,
num_topics=10,
sagemaker_session=sagemaker_session,
)
record_set = prepare_record_set_from_local_files(
data_path, lda.data_location, len(all_records), feature_num,
sagemaker_session)
test_record_set = prepare_record_set_from_local_files(
data_path, lda.data_location, len(all_records), feature_num,
sagemaker_session)
test_record_set.channel = "test"
# specify which hp you want to optimize over
hyperparameter_ranges = {
"alpha0": ContinuousParameter(1, 10),
"num_topics": IntegerParameter(1, 2),
}
objective_metric_name = "test:pwll"
tuner = HyperparameterTuner(
estimator=lda,
objective_metric_name=objective_metric_name,
hyperparameter_ranges=hyperparameter_ranges,
objective_type="Maximize",
max_jobs=2,
max_parallel_jobs=2,
early_stopping_type="Auto",
)
tuning_job_name = unique_name_from_base("test-lda", max_length=32)
print("Started hyperparameter tuning job with name:" + tuning_job_name)
tuner.fit([record_set, test_record_set],
mini_batch_size=1,
job_name=tuning_job_name)
attached_tuner = HyperparameterTuner.attach(
tuning_job_name, sagemaker_session=sagemaker_session)
assert attached_tuner.early_stopping_type == "Auto"
assert attached_tuner.estimator.alpha0 == 1.0
assert attached_tuner.estimator.num_topics == 1
best_training_job = attached_tuner.best_training_job()
with timeout_and_delete_endpoint_by_name(best_training_job,
sagemaker_session):
predictor = tuner.deploy(1, cpu_instance_type)
predict_input = np.random.rand(1, feature_num)
result = predictor.predict(predict_input)
assert len(result) == 1
for record in result:
assert record.label["topic_mixture"] is not None
def transformation():
"""Do an inference on a single batch of data. In this server, we take data as JSON, convert
it to a sparse array for internal use and then convert the predictions back to json.
Input format is:
'{"instances": [{"keys": ["User","1","2"], "values": ["a","b","c"]}, {"keys": ["User","5","6"], "values": ["d","e","f"]}]}'
"""
# Convert from json to numpy
te_row_ind = []
te_col_ind = []
te_data = []
te_idx = 0
headers = ScoringService.get_headers()
if flask.request.content_type == 'application/json':
print("Working with JSON input")
s = flask.request.data.decode('utf-8')
inputs = json.loads(s)
for instance in inputs['instances']:
# The column index has to be found from the headers
for col_idx in range(0, len(instance['keys'])):
key = instance['keys'][col_idx]
val = instance['values'][col_idx]
item_to_find = "{0}_{1}".format(key, val)
try:
te_col_ind.append(headers.index(item_to_find))
te_data.append(1.0)
te_row_ind.append(te_idx)
except Exception as e:
te_col_ind.append(1)
te_data.append(0.0)
te_row_ind.append(te_idx)
print("Couldn't find header for {0}".format(item_to_find))
te_idx = te_idx + 1
elif flask.request.content_type == 'application/x-recordio-protobuf':
print("Working with Protobuf input")
#print("{0}".format(flask.request.stream))
#s = flask.request.data.decode('latin-1')
#print("Data: {}".format(s))
test_records = smac.read_records(StringIO.StringIO(flask.request.data))
num_test_samples = len(test_records)
for test_record in test_records:
te_row_ind.extend([te_idx] * len(test_record.features['values'].float32_tensor.values))
te_col_ind.extend(test_record.features['values'].float32_tensor.keys)
te_data.extend(test_record.features['values'].float32_tensor.values)
te_idx = te_idx + 1
else:
return flask.Response(response='This predictor only supports JSON or Protobuf data', status=415, mimetype='text/plain')
X_te_sparse = sp.csr_matrix( (np.array(te_data),(np.array(te_row_ind),np.array(te_col_ind))), shape=(te_idx,ScoringService.get_num_features()) )
print('Invoked with {} records'.format(X_te_sparse.shape))
# Do the prediction
predictions = ScoringService.predict(X_te_sparse)
# Convert from array back to json
result = None
if flask.request.content_type == 'application/json':
js = {'predictions': []}
for pred_value in predictions:
js['predictions'].append({'score': str(pred_value)})
result = json.dumps(js)
else:
# convert to protobuf
buf = io.BytesIO()
record = Record()
for pred_value in predictions:
record.Clear()
#smac._write_label_tensor('Float32', record, pred_value)
record.label["score"].float32_tensor.values.extend([pred_value])
smac._write_recordio(buf, record.SerializeToString())
buf.seek(0)
result = buf.getvalue()
return flask.Response(response=result, status=200, mimetype=flask.request.content_type)
