def test_forward(self):
data = layers.data(name='X', shape=[1], dtype='float32')
data.stop_gradient = False
cond = layers.ConditionalBlock(inputs=[data])
out = layers.create_tensor(dtype='float32')
with cond.block():
hidden = layers.fc(input=data, size=10)
layers.assign(hidden, out)
cpu = core.CPUPlace()
exe = Executor(cpu)
exe.run(default_startup_program())
x = numpy.random.random(size=(10, 1)).astype('float32')
outs = exe.run(feed={'X': x}, fetch_list=[out])[0]
print outs
loss = layers.mean(x=out)
append_backward_ops(loss=loss)
outs = exe.run(feed={'X': x},
fetch_list=[
default_main_program().block(0).var(data.name +
"@GRAD")
])[0]
print outs
def test_forward(self):
data = layers.data(name='X', shape=[1], dtype='float32')
data.stop_gradient = False
cond = layers.ConditionalBlock(inputs=[data])
out = layers.create_tensor(dtype='float32')
with cond.block():
hidden = layers.fc(input=data, size=10)
layers.assign(hidden, out)
cpu = core.CPUPlace()
exe = Executor(cpu)
exe.run(default_startup_program())
x = numpy.random.random(size=(10, 1)).astype('float32')
outs = exe.run(feed={'X': x}, fetch_list=[out])[0]
print outs
loss = layers.mean(x=out)
append_backward_ops(loss=loss)
outs = exe.run(
feed={'X': x},
fetch_list=[
default_main_program().block(0).var(data.name + "@GRAD")
])[0]
print outs
def main():
rnn_out = encoder_decoder()
label = layers.data(name="target_language_next_word",
shape=[1],
dtype='int64',
lod_level=1)
cost = layers.cross_entropy(input=rnn_out, label=label)
avg_cost = fluid.layers.mean(x=cost)
optimizer = fluid.optimizer.Adagrad(learning_rate=1e-4)
optimizer.minimize(avg_cost)
train_data = paddle.batch(paddle.reader.shuffle(
paddle.dataset.wmt14.train(dict_size), buf_size=1000),
batch_size=batch_size)
place = core.CPUPlace()
exe = Executor(place)
exe.run(framework.default_startup_program())
batch_id = 0
for pass_id in xrange(2):
for data in train_data():
word_data = to_lodtensor(map(lambda x: x[0], data), place)
trg_word = to_lodtensor(map(lambda x: x[1], data), place)
trg_word_next = to_lodtensor(map(lambda x: x[2], data), place)
outs = exe.run(framework.default_main_program(),
feed={
'src_word_id': word_data,
'target_language_word': trg_word,
'target_language_next_word': trg_word_next
},
fetch_list=[avg_cost])
avg_cost_val = np.array(outs[0])
print('pass_id=' + str(pass_id) + ' batch=' + str(batch_id) +
" avg_cost=" + str(avg_cost_val))
if batch_id > 3:
exit(0)
batch_id += 1
def main():
rnn_out = encoder_decoder()
label = layers.data(
name="target_language_next_word", shape=[1], dtype='int64', lod_level=1)
cost = layers.cross_entropy(input=rnn_out, label=label)
avg_cost = fluid.layers.mean(x=cost)
optimizer = fluid.optimizer.Adagrad(learning_rate=1e-4)
optimizer.minimize(avg_cost)
train_data = paddle.batch(
paddle.reader.shuffle(
paddle.dataset.wmt14.train(dict_size), buf_size=1000),
batch_size=batch_size)
place = core.CPUPlace()
exe = Executor(place)
exe.run(framework.default_startup_program())
batch_id = 0
for pass_id in xrange(2):
for data in train_data():
word_data = to_lodtensor(map(lambda x: x[0], data), place)
trg_word = to_lodtensor(map(lambda x: x[1], data), place)
trg_word_next = to_lodtensor(map(lambda x: x[2], data), place)
outs = exe.run(framework.default_main_program(),
feed={
'src_word_id': word_data,
'target_language_word': trg_word,
'target_language_next_word': trg_word_next
},
fetch_list=[avg_cost])
avg_cost_val = np.array(outs[0])
print('pass_id=' + str(pass_id) + ' batch=' + str(batch_id) +
" avg_cost=" + str(avg_cost_val))
if batch_id > 3:
exit(0)
batch_id += 1
seed=SEED))
cost = layers.cross_entropy(input=predict, label=label)
avg_cost = layers.mean(x=cost)
optimizer = AdamOptimizer(learning_rate=0.001, beta1=0.9, beta2=0.999)
opts = optimizer.minimize(avg_cost)
accuracy = evaluator.Accuracy(input=predict, label=label)
train_reader = paddle.batch(paddle.dataset.mnist.train(),
batch_size=BATCH_SIZE)
place = core.CPUPlace()
exe = Executor(place)
exe.run(framework.default_startup_program())
for pass_id in range(PASS_NUM):
accuracy.reset(exe)
pass_start = time.clock()
for batch_id, data in enumerate(train_reader()):
img_data = np.array(map(lambda x: x[0].reshape([1, 28, 28]),
data)).astype(DTYPE)
y_data = np.array(map(lambda x: x[1], data)).astype("int64")
y_data = y_data.reshape([len(y_data), 1])
tensor_img = core.LoDTensor()
tensor_y = core.LoDTensor()
tensor_img.set(img_data, place)
tensor_y.set(y_data, place)
BATCH_SIZE = 16
PASS_NUM = 1
train_reader = paddle.batch(
paddle.reader.shuffle(paddle.dataset.cifar.train10(), buf_size=128 * 10),
batch_size=BATCH_SIZE)
place = fluid.CPUPlace()
exe = fluid.Executor(place)
feeder = fluid.DataFeeder(place=place, feed_list=[images, label])
exe.run(fluid.default_startup_program())
step = 0
sample_num = 0
start_up_program = framework.default_startup_program()
param1_var = start_up_program.global_block().var("param1")
for pass_id in range(PASS_NUM):
accuracy.reset(exe)
for data in train_reader():
loss, conv1_out, param1, acc = exe.run(
fluid.default_main_program(),
feed=feeder.feed(data),
fetch_list=[avg_cost, conv1, param1_var] + accuracy.metrics)
pass_acc = accuracy.eval(exe)
# all code below is for VisualDL
# start picking sample from beginning
def main():
cost = model()
sgd_optimizer = SGDOptimizer(learning_rate=0.2)
opts = sgd_optimizer.minimize(cost)
if USE_GPU:
place = core.GPUPlace(0)
else:
place = core.CPUPlace()
exe = Executor(place)
exe.run(framework.default_startup_program())
train_reader = paddle.batch(paddle.reader.shuffle(
paddle.dataset.movielens.train(), buf_size=8192),
batch_size=BATCH_SIZE)
feeding = {
'user_id': 0,
'gender_id': 1,
'age_id': 2,
'job_id': 3,
'movie_id': 4,
'category_id': 5,
'movie_title': 6,
'score': 7
}
def func_feed(feeding, data):
feed_tensors = {}
for (key, idx) in feeding.iteritems():
tensor = core.LoDTensor()
if key != "category_id" and key != "movie_title":
if key == "score":
numpy_data = np.array(map(lambda x: x[idx],
data)).astype("float32")
else:
numpy_data = np.array(map(lambda x: x[idx],
data)).astype("int64")
else:
numpy_data = map(lambda x: np.array(x[idx]).astype("int64"),
data)
lod_info = [len(item) for item in numpy_data]
offset = 0
lod = [offset]
for item in lod_info:
offset += item
lod.append(offset)
numpy_data = np.concatenate(numpy_data, axis=0)
tensor.set_lod([lod])
numpy_data = numpy_data.reshape([numpy_data.shape[0], 1])
tensor.set(numpy_data, place)
feed_tensors[key] = tensor
return feed_tensors
PASS_NUM = 100
for pass_id in range(PASS_NUM):
for data in train_reader():
outs = exe.run(framework.default_main_program(),
feed=func_feed(feeding, data),
fetch_list=[cost])
out = np.array(outs[0])
if out[0] < 6.0:
# if avg cost less than 6.0, we think our code is good.
exit(0)
def main():
cost = model()
sgd_optimizer = SGDOptimizer(learning_rate=0.2)
opts = sgd_optimizer.minimize(cost)
if USE_GPU:
place = core.GPUPlace(0)
else:
place = core.CPUPlace()
exe = Executor(place)
exe.run(framework.default_startup_program())
train_reader = paddle.batch(
paddle.reader.shuffle(
paddle.dataset.movielens.train(), buf_size=8192),
batch_size=BATCH_SIZE)
feeding = {
'user_id': 0,
'gender_id': 1,
'age_id': 2,
'job_id': 3,
'movie_id': 4,
'category_id': 5,
'movie_title': 6,
'score': 7
}
def func_feed(feeding, data):
feed_tensors = {}
for (key, idx) in feeding.iteritems():
tensor = core.LoDTensor()
if key != "category_id" and key != "movie_title":
if key == "score":
numpy_data = np.array(map(lambda x: x[idx], data)).astype(
"float32")
else:
numpy_data = np.array(map(lambda x: x[idx], data)).astype(
"int64")
else:
numpy_data = map(lambda x: np.array(x[idx]).astype("int64"),
data)
lod_info = [len(item) for item in numpy_data]
offset = 0
lod = [offset]
for item in lod_info:
offset += item
lod.append(offset)
numpy_data = np.concatenate(numpy_data, axis=0)
tensor.set_lod([lod])
numpy_data = numpy_data.reshape([numpy_data.shape[0], 1])
tensor.set(numpy_data, place)
feed_tensors[key] = tensor
return feed_tensors
PASS_NUM = 100
for pass_id in range(PASS_NUM):
for data in train_reader():
outs = exe.run(framework.default_main_program(),
feed=func_feed(feeding, data),
fetch_list=[cost])
out = np.array(outs[0])
if out[0] < 6.0:
# if avg cost less than 6.0, we think our code is good.
exit(0)
import unittest
import paddle.v2.fluid.core as core
from paddle.v2.fluid.framework import Program, default_startup_program
main_program = default_startup_program()
class TestOperator(unittest.TestCase):
def test_error_type(self):
block = main_program.create_block()
try:
block.append_op()
self.assertFail()
except ValueError as v_err:
self.assertEqual(
v_err.message,
"`type` to initilized an Operator can not be None.")
try:
block.append_op(type="no_such_op")
self.assertFail()
except ValueError as a_err:
self.assertEqual(
a_err.message,
"Operator \"no_such_op\" has not been registered.")
def test_op_desc_creation(self):
program = Program()
block = program.current_block()
mul_x = block.create_var(dtype="float32",
def main():
cost, u, m = model()
optimizer = SGD(learning_rate=0.2)
# optimizer = Adam(learning_rate=1e-4)
opts = optimizer.minimize(cost)
if USE_GPU:
place = core.GPUPlace(0)
else:
place = core.CPUPlace()
exe = Executor(place)
exe.run(framework.default_startup_program())
# print framework.default_main_program().block(0).vars.keys()
print framework.default_main_program().block(0).vars.get(
"embedding_0.tmp_0")
train_reader = paddle.batch(paddle.dataset.movielens.train(),
batch_size=BATCH_SIZE)
feeding = {
'user_id': 0,
'gender_id': 1,
'age_id': 2,
'job_id': 3,
'movie_id': 4,
# 'category_id': 5,
'movie_title': 6,
'score': 7
}
def func_feed(feeding, data):
feed_tensors = {}
for (key, idx) in feeding.iteritems():
tensor = core.LoDTensor()
if key != "category_id" and key != "movie_title":
if key == "score":
numpy_data = np.array(map(lambda x: x[idx],
data)).astype("float32")
else:
numpy_data = np.array(map(lambda x: x[idx],
data)).astype("int64")
else:
numpy_data = map(lambda x: np.array(x[idx]).astype("int64"),
data)
lod_info = [len(item) for item in numpy_data]
offset = 0
lod = [offset]
for item in lod_info:
offset += item
lod.append(offset)
numpy_data = np.concatenate(numpy_data, axis=0)
tensor.set_lod([lod])
numpy_data = numpy_data.reshape([numpy_data.shape[0], 1])
tensor.set(numpy_data, place)
feed_tensors[key] = tensor
return feed_tensors
PASS_NUM = 5
for pass_id in range(PASS_NUM):
batch_id = 0
ts = time.time()
for data in train_reader():
outs = exe.run(framework.default_main_program(),
feed=func_feed(feeding, data),
fetch_list=[cost, u, m])
out = np.array(outs[0])
if batch_id % 100 == 0:
print("pass %d, batch %d, cost: %f" %
(pass_id, batch_id, out[0]))
print(outs[1])
print(outs[2])
batch_id += 1
# if out[0] < 6.0:
# # if avg cost less than 6.0, we think our code is good.
# exit(0)
print("pass %d, cost: %f, time: %f" %
(pass_id, out[0], time.time() - ts))