def main(server):
num_rows = 7000
num_features = 32
num_epoch = 5
batch_size = 100
num_batches = (num_rows // batch_size) * num_epoch
#who shall receive the output
model_owner = ModelOwner('alice')
data_schema0 = DataSchema([tf.float64] * 16, [0.0] * 16)
data_schema1 = DataSchema([tf.int64] + [tf.float64] * 16, [0] + [0.0] * 16)
data_owner_0 = DataOwner('alice',
'aliceTrainFile.csv',
data_schema0,
batch_size=batch_size)
data_owner_1 = DataOwner('bob',
'bobTrainFileWithLabel.csv',
data_schema1,
batch_size=batch_size)
tfe.set_protocol(
tfe.protocol.Pond(
tfe.get_config().get_player(data_owner_0.player_name),
tfe.get_config().get_player(data_owner_1.player_name)))
x_train_0 = tfe.define_private_input(data_owner_0.player_name,
data_owner_0.provide_data)
x_train_1 = tfe.define_private_input(data_owner_1.player_name,
data_owner_1.provide_data)
y_train = tfe.gather(x_train_1, 0, axis=1)
y_train = tfe.reshape(y_train, [batch_size, 1])
#Remove bob's first column (which is label)
x_train_1 = tfe.strided_slice(x_train_1, [0, 1],
[x_train_1.shape[0], x_train_1.shape[1]],
[1, 1])
x_train = tfe.concat([x_train_0, x_train_1], axis=1)
model = LogisticRegression(num_features)
reveal_weights_op = model_owner.receive_weights(model.weights)
with tfe.Session() as sess:
sess.run(tfe.global_variables_initializer(), tag='init')
model.fit(sess, x_train, y_train, num_batches)
# TODO(Morten)
# each evaluation results in nodes for a forward pass being added to the graph;
# maybe there's some way to avoid this, even if it means only if the shapes match
# model.evaluate(sess, x_train, y_train, data_owner_0)
# model.evaluate(sess, x_train, y_train, data_owner_1)
sess.run(reveal_weights_op, tag='reveal')
tfe.set_protocol(tfe.protocol.Pond(
tfe.get_config().get_player(data_owner_0.player_name),
tfe.get_config().get_player(data_owner_1.player_name)
))
x_train_0, y_train_0 = data_owner_0.provide_training_data()
x_train_1, y_train_1 = data_owner_1.provide_training_data()
x_test_0, y_test_0 = data_owner_0.provide_testing_data()
x_test_1, y_test_1 = data_owner_1.provide_testing_data()
x_train = tfe.concat([x_train_0, x_train_1], axis=0)
y_train = tfe.concat([y_train_0, y_train_1], axis=0)
model = LogisticRegression(num_features)
reveal_weights_op = model_owner.receive_weights(model.weights)
with tfe.Session() as sess:
sess.run([tfe.global_variables_initializer(),
data_owner_0.initializer,
data_owner_1.initializer],
tag='init')
model.fit(sess, x_train, y_train, num_batches)
# TODO(Morten)
# each evaluation results in nodes for a forward pass being added to the graph;
# maybe there's some way to avoid this, even if it means only if the shapes match
model.evaluate(sess, x_test_0, y_test_0, data_owner_0)
model.evaluate(sess, x_test_1, y_test_1, data_owner_1)
"""Private prediction with a single clients"""
import tf_encrypted as tfe
from common import LogisticRegression, PredictionClient
num_features = 10
model = LogisticRegression(num_features)
prediction_client = PredictionClient('prediction-client', num_features)
x = tfe.define_private_input(prediction_client.player_name,
prediction_client.provide_input)
y = model.forward(x)
reveal_output = tfe.define_output(prediction_client.player_name, y,
prediction_client.receive_output)
with tfe.Session() as sess:
sess.run(tfe.global_variables_initializer(), tag='init')
sess.run(reveal_output, tag='predict')