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2 changes: 2 additions & 0 deletions python/paddle/fluid/tests/book/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -5,3 +5,5 @@ string(REPLACE ".py" "" TEST_OPS "${TEST_OPS}")
foreach(src ${TEST_OPS})
py_test(${src} SRCS ${src}.py)
endforeach()

add_subdirectory(high-level-api)
9 changes: 9 additions & 0 deletions python/paddle/fluid/tests/book/high-level-api/CMakeLists.txt
Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
file(GLOB TEST_OPS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "test_*.py")
string(REPLACE ".py" "" TEST_OPS "${TEST_OPS}")

# default test
foreach(src ${TEST_OPS})
py_test(${src} SRCS ${src}.py)
endforeach()

add_subdirectory(recognize_digits)
Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
file(GLOB TEST_OPS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "test_*.py")
string(REPLACE ".py" "" TEST_OPS "${TEST_OPS}")

# default test
foreach(src ${TEST_OPS})
py_test(${src} SRCS ${src}.py)
endforeach()
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,6 @@
import math
import sys
import os
import paddle.v2.dataset as dataset

BATCH_SIZE = 64

Expand Down Expand Up @@ -54,47 +53,65 @@ def train_program():
predict = inference_program()
cost = fluid.layers.cross_entropy(input=predict, label=label)
avg_cost = fluid.layers.mean(cost)
acc = fluid.layers.accuracy(input=predict, label=label)
return avg_cost, acc
# acc = fluid.layers.accuracy(input=predict, label=label)
# return avg_cost, acc
return avg_cost


def train(use_cuda, save_dirname):
place = fluid.CUDAPlace(0) if use_cuda else fluid.CPUPlace()

optimizer = fluid.optimizer.Adam(learning_rate=0.001)
trainer = fluid.Trainer(train_program, place=place, optimizer=optimizer)

trainer = fluid.Trainer(
train_func=train_program,
infer_func=inference_program,
place=place,
optimizer=optimizer)

def event_handler(event):
if isinstance(event, fluid.EndIteration):
avg_cost, acc = event.values
print("avg_cost: %s" % avg_cost)
print("acc : %s" % acc)

if (event.batch_id + 1) % 10 == 0:
test_metrics = trainer.test(reader=dataset.mnist.test())
avg_cost_set = test_metrics[0]
acc_set = test_metrics[1]

# get test acc and loss
acc = numpy.array(acc_set).mean()
avg_cost = numpy.array(avg_cost_set).mean()
if float(acc) > 0.2: # Smaller value to increase CI speed
trainer.save_params(save_dirname)
else:
print('BatchID {0}, Test Loss {1:0.2}, Acc {2:0.2}'.format(
event.batch_id + 1, float(avg_cost), float(acc)))
if math.isnan(float(avg_cost)):
sys.exit("got NaN loss, training failed.")
if isinstance(event, fluid.EndEpochEvent):
# if (event.epoch + 1) % 10 == 0:
# trainer.save_params(save_dirname)
trainer.save_inference_model(save_dirname)

# TODO: Uncomment this part once we are sure that .train is working
# test_reader = paddle.batch(
# paddle.dataset.mnist.test(), batch_size=BATCH_SIZE)
# test_metrics = trainer.test(reader=test_reader)
# avg_cost_set = test_metrics[0]
# acc_set = test_metrics[1]
#
# # get test acc and loss
# acc = numpy.array(acc_set).mean()
# avg_cost = numpy.array(avg_cost_set).mean()
#
# print("avg_cost: %s" % avg_cost)
# print("acc : %s" % acc)
#
# if float(acc) > 0.2: # Smaller value to increase CI speed
# trainer.save_params(save_dirname)
# else:
# print('BatchID {0}, Test Loss {1:0.2}, Acc {2:0.2}'.format(
# event.epoch + 1, float(avg_cost), float(acc)))
# if math.isnan(float(avg_cost)):
# sys.exit("got NaN loss, training failed.")

train_reader = paddle.batch(
paddle.reader.shuffle(
paddle.dataset.mnist.train(), buf_size=500),
batch_size=BATCH_SIZE)

trainer.train(
reader=dataset.mnist.train(), num_pass=100, event_handler=event_handler)
num_epochs=1,
event_handler=event_handler,
reader=train_reader,
feed_order=['img', 'label'])


def infer(use_cuda, save_dirname=None):
place = fluid.CUDAPlace(0) if use_cuda else fluid.CPUPlace()

inferencer = fluid.Inferencer(
inference_program, param_path=save_dirname, place=place)
inferencer = fluid.Inferencer(param_path=save_dirname, place=place)

batch_size = 1
tensor_img = numpy.random.uniform(-1.0, 1.0,
Expand All @@ -114,5 +131,5 @@ def main(use_cuda):


if __name__ == '__main__':
for use_cuda in (False, True):
main(use_cuda=use_cuda)
# for use_cuda in (False, True):
main(use_cuda=False)
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,6 @@
import math
import sys
import os
import paddle.v2.dataset as dataset

BATCH_SIZE = 64

Expand All @@ -41,47 +40,64 @@ def train_program():
predict = inference_program()
cost = fluid.layers.cross_entropy(input=predict, label=label)
avg_cost = fluid.layers.mean(cost)
acc = fluid.layers.accuracy(input=predict, label=label)
return avg_cost, acc
# acc = fluid.layers.accuracy(input=predict, label=label)
# return avg_cost, acc
return avg_cost


def train(use_cuda, save_dirname):
place = fluid.CUDAPlace(0) if use_cuda else fluid.CPUPlace()

optimizer = fluid.optimizer.Adam(learning_rate=0.001)
trainer = fluid.Trainer(train_program, place=place, optimizer=optimizer)

trainer = fluid.Trainer(
train_func=train_program,
infer_func=inference_program,
place=place,
optimizer=optimizer)

def event_handler(event):
if isinstance(event, fluid.EndIteration):
avg_cost, acc = event.values
print("avg_cost: %s" % avg_cost)
print("acc : %s" % acc)

if (event.batch_id + 1) % 10 == 0:
test_metrics = trainer.test(reader=dataset.mnist.test())
avg_cost_set = test_metrics[0]
acc_set = test_metrics[1]

# get test acc and loss
acc = numpy.array(acc_set).mean()
avg_cost = numpy.array(avg_cost_set).mean()
if float(acc) > 0.2: # Smaller value to increase CI speed
trainer.save_params(save_dirname)
else:
print('BatchID {0}, Test Loss {1:0.2}, Acc {2:0.2}'.format(
event.batch_id + 1, float(avg_cost), float(acc)))
if math.isnan(float(avg_cost)):
sys.exit("got NaN loss, training failed.")
if isinstance(event, fluid.EndEpochEvent):
# if (event.epoch + 1) % 10 == 0:
trainer.save_inference_model(save_dirname)

# TODO: Uncomment this part once we are sure that .train is working
# test_reader = paddle.batch(
# paddle.dataset.mnist.test(), batch_size=BATCH_SIZE)
# test_metrics = trainer.test(reader=test_reader)
# avg_cost_set = test_metrics[0]
# acc_set = test_metrics[1]
#
# # get test acc and loss
# acc = numpy.array(acc_set).mean()
# avg_cost = numpy.array(avg_cost_set).mean()
#
# print("avg_cost: %s" % avg_cost)
# print("acc : %s" % acc)
#
# if float(acc) > 0.2: # Smaller value to increase CI speed
# trainer.save_params(save_dirname)
# else:
# print('BatchID {0}, Test Loss {1:0.2}, Acc {2:0.2}'.format(
# event.epoch + 1, float(avg_cost), float(acc)))
# if math.isnan(float(avg_cost)):
# sys.exit("got NaN loss, training failed.")

train_reader = paddle.batch(
paddle.reader.shuffle(
paddle.dataset.mnist.train(), buf_size=500),
batch_size=BATCH_SIZE)

trainer.train(
reader=dataset.mnist.train(), num_pass=100, event_handler=event_handler)
num_epochs=1,
event_handler=event_handler,
reader=train_reader,
feed_order=['img', 'label'])


def infer(use_cuda, save_dirname=None):
place = fluid.CUDAPlace(0) if use_cuda else fluid.CPUPlace()

inferencer = fluid.Inferencer(
inference_program, param_path=save_dirname, place=place)
inferencer = fluid.Inferencer(param_path=save_dirname, place=place)

batch_size = 1
tensor_img = numpy.random.uniform(-1.0, 1.0,
Expand All @@ -101,5 +117,5 @@ def main(use_cuda):


if __name__ == '__main__':
for use_cuda in (False, True):
main(use_cuda=use_cuda)
# for use_cuda in (False, True):
main(use_cuda=False)