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88cb8eea
编写于
3月 05, 2017
作者:
Y
Yu Yang
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
Complete documentation for v2.
上级
fd41a87a
变更
23
显示空白变更内容
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并排
Showing
23 changed file
with
381 addition
and
109 deletion
+381
-109
doc/api/index_cn.rst
doc/api/index_cn.rst
+25
-1
doc/api/index_en.rst
doc/api/index_en.rst
+8
-0
doc/api/v2/data.rst
doc/api/v2/data.rst
+77
-2
doc/api/v2/model_configs.rst
doc/api/v2/model_configs.rst
+7
-0
doc/api/v2/run_logic.rst
doc/api/v2/run_logic.rst
+22
-0
doc/design/reader/README.md
doc/design/reader/README.md
+37
-37
python/paddle/v2/data_feeder.py
python/paddle/v2/data_feeder.py
+23
-26
python/paddle/v2/dataset/__init__.py
python/paddle/v2/dataset/__init__.py
+3
-0
python/paddle/v2/dataset/cifar.py
python/paddle/v2/dataset/cifar.py
+2
-0
python/paddle/v2/dataset/conll05.py
python/paddle/v2/dataset/conll05.py
+4
-2
python/paddle/v2/dataset/imdb.py
python/paddle/v2/dataset/imdb.py
+2
-0
python/paddle/v2/dataset/imikolov.py
python/paddle/v2/dataset/imikolov.py
+2
-0
python/paddle/v2/dataset/mnist.py
python/paddle/v2/dataset/mnist.py
+21
-0
python/paddle/v2/dataset/movielens.py
python/paddle/v2/dataset/movielens.py
+5
-0
python/paddle/v2/dataset/sentiment.py
python/paddle/v2/dataset/sentiment.py
+6
-5
python/paddle/v2/dataset/uci_housing.py
python/paddle/v2/dataset/uci_housing.py
+5
-0
python/paddle/v2/event.py
python/paddle/v2/event.py
+4
-0
python/paddle/v2/optimizer.py
python/paddle/v2/optimizer.py
+8
-3
python/paddle/v2/parameters.py
python/paddle/v2/parameters.py
+6
-0
python/paddle/v2/reader/__init__.py
python/paddle/v2/reader/__init__.py
+57
-8
python/paddle/v2/reader/creator.py
python/paddle/v2/reader/creator.py
+5
-1
python/paddle/v2/reader/decorator.py
python/paddle/v2/reader/decorator.py
+35
-15
python/paddle/v2/trainer.py
python/paddle/v2/trainer.py
+17
-9
未找到文件。
doc/api/index_cn.rst
浏览文件 @
88cb8eea
API
===
模型配置 API
------------
.. toctree::
:maxdepth: 1
v2/model_configs.rst
数据 API
--------
.. toctree::
:maxdepth: 1
v2/data.rst
训练 API
--------
.. toctree::
:maxdepth: 1
v2/run_logic.rst
\ No newline at end of file
doc/api/index_en.rst
浏览文件 @
88cb8eea
...
...
@@ -16,3 +16,11 @@ Data API
:maxdepth: 1
v2/data.rst
Train API
---------
.. toctree::
:maxdepth: 1
v2/run_logic.rst
\ No newline at end of file
doc/api/v2/data.rst
浏览文件 @
88cb8eea
...
...
@@ -4,3 +4,78 @@ DataTypes
.. automodule:: paddle.v2.data_type
:members:
##########
DataFeeder
##########
.. automodule:: paddle.v2.data_feeder
:members:
######
Reader
######
.. automodule:: paddle.v2.reader
:members:
.. automodule:: paddle.v2.reader.creator
:members:
#######
Dataset
#######
.. automodule:: paddle.v2.dataset
:members:
mnist
+++++
.. automodule:: paddle.v2.dataset.mnist
:members:
cifar
+++++
.. automodule:: paddle.v2.dataset.cifar
:members:
conll05
+++++++
.. automodule:: paddle.v2.dataset.conll05
:members:
imdb
++++
.. automodule:: paddle.v2.dataset.imdb
:members:
imikolov
++++++++
.. automodule:: paddle.v2.dataset.imikolov
:members:
movielens
+++++++++
.. automodule:: paddle.v2.dataset.movielens
:members:
sentiment
+++++++++
.. automodule:: paddle.v2.dataset.sentiment
:members:
uci_housing
+++++++++++
.. automodule:: paddle.v2.dataset.uci_housing
:members:
doc/api/v2/model_configs.rst
浏览文件 @
88cb8eea
...
...
@@ -33,3 +33,10 @@ Networks
.. automodule:: paddle.v2.networks
:members:
==========
Optimizers
==========
.. automodule:: paddle.v2.optimizers
:members:
doc/api/v2/run_logic.rst
0 → 100644
浏览文件 @
88cb8eea
==========
Parameters
==========
.. automodule:: paddle.v2.parameters
:members:
=======
Trainer
=======
.. automodule:: paddle.v2.trainer
:members:
=====
Event
=====
.. automodule:: paddle.v2.event
:members:
doc/design/reader/README.md
浏览文件 @
88cb8eea
...
...
@@ -31,7 +31,7 @@ def reader_creator_random_image(width, height):
An example implementation for multiple item data reader creator:
```
python
def
reader_creator_random_image
and_label
(
widht
,
height
,
label
):
def
reader_creator_random_image
_and_label
(
width
,
height
,
label
):
def
reader
():
while
True
:
yield
numpy
.
random
.
uniform
(
-
1
,
1
,
size
=
width
*
height
),
label
...
...
python/paddle/v2/data_feeder.py
浏览文件 @
88cb8eea
...
...
@@ -12,8 +12,8 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from
py_paddle
import
swig_paddle
from
py_paddle
import
DataProviderConverter
import
data_type
__all__
=
[
'DataFeeder'
]
...
...
@@ -30,6 +30,9 @@ class DataFeeder(DataProviderConverter):
The example usage:
.. code-block:: python
data_types = [('image', paddle.data_type.dense_vector(784)),
('label', paddle.data_type.integer_value(10))]
reader_dict = {'image':0, 'label':1}
...
...
@@ -43,20 +46,24 @@ class DataFeeder(DataProviderConverter):
# [ [1.0,2.0,3.0,4.0], 5, [6,7,8] ] # second sample
# ]
arg = feeder(minibatch_data)
"""
def
__init__
(
self
,
data_types
,
reader_dict
):
"""
.. note::
This module is for internal use only. Users should use the `reader`
interface.
:param data_types: A list to specify data name and type. Each item is
a tuple of (data_name, data_type). For example:
[('image', paddle.data_type.dense_vector(784)),
('label', paddle.data_type.integer_value(10))]
a tuple of (data_name, data_type).
:type data_types: A list of tuple
:type data_types: list
:param reader_dict: A dictionary to specify the position of each data
in the input data.
:type reader_dict: dict()
:type reader_dict: dict
"""
def
__init__
(
self
,
data_types
,
reader_dict
):
self
.
input_names
=
[]
input_types
=
[]
self
.
reader_dict
=
reader_dict
...
...
@@ -70,22 +77,12 @@ class DataFeeder(DataProviderConverter):
"""
:param dat: A list of mini-batch data. Each sample is a list or tuple
one feature or multiple features.
for example:
[
([0.2, 0.2], ), # first sample
([0.8, 0.3], ), # second sample
]
or,
[
[[0.2, 0.2], ], # first sample
[[0.8, 0.3], ], # second sample
]
:type dat:
L
ist
:type dat:
l
ist
:param argument: An Arguments object contains this mini-batch data with
one or multiple features. The Arguments definition is
in the API.
:type argument: swig_paddle.Arguments
:type argument:
py_paddle.
swig_paddle.Arguments
"""
def
reorder_data
(
data
):
...
...
python/paddle/v2/dataset/__init__.py
浏览文件 @
88cb8eea
...
...
@@ -11,6 +11,9 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Dataset package.
"""
import
mnist
import
imikolov
...
...
python/paddle/v2/dataset/cifar.py
浏览文件 @
88cb8eea
...
...
@@ -13,6 +13,8 @@
# limitations under the License.
"""
CIFAR dataset: https://www.cs.toronto.edu/~kriz/cifar.html
TODO(yuyang18): Complete the comments.
"""
import
cPickle
...
...
python/paddle/v2/dataset/conll05.py
浏览文件 @
88cb8eea
...
...
@@ -16,15 +16,17 @@ import tarfile
import
gzip
import
itertools
from
common
import
download
__all__
=
[
'test, get_dict'
,
'get_embedding'
]
"""
Conll 2005 dataset. Paddle semantic role labeling Book and demo use this
dataset as an example. Because Conll 2005 is not free in public, the default
downloaded URL is test set of Conll 2005 (which is public). Users can change
URL and MD5 to their Conll dataset.
TODO(yuyang18): Complete comments.
"""
__all__
=
[
'test, get_dict'
,
'get_embedding'
]
DATA_URL
=
'http://www.cs.upc.edu/~srlconll/conll05st-tests.tar.gz'
DATA_MD5
=
'387719152ae52d60422c016e92a742fc'
WORDDICT_URL
=
'http://paddlepaddle.bj.bcebos.com/demo/srl_dict_and_embedding/wordDict.txt'
...
...
python/paddle/v2/dataset/imdb.py
浏览文件 @
88cb8eea
...
...
@@ -13,6 +13,8 @@
# limitations under the License.
"""
IMDB dataset: http://ai.stanford.edu/%7Eamaas/data/sentiment/aclImdb_v1.tar.gz
TODO(yuyang18): Complete comments.
"""
import
paddle.v2.dataset.common
...
...
python/paddle/v2/dataset/imikolov.py
浏览文件 @
88cb8eea
...
...
@@ -13,6 +13,8 @@
# limitations under the License.
"""
imikolov's simple dataset: http://www.fit.vutbr.cz/~imikolov/rnnlm/
Complete comments.
"""
import
paddle.v2.dataset.common
import
tarfile
...
...
python/paddle/v2/dataset/mnist.py
浏览文件 @
88cb8eea
...
...
@@ -13,6 +13,9 @@
# limitations under the License.
"""
MNIST dataset.
This module will download dataset from http://yann.lecun.com/exdb/mnist/ and
parse train set and test set into paddle reader creators.
"""
import
paddle.v2.dataset.common
import
subprocess
...
...
@@ -72,6 +75,15 @@ def reader_creator(image_filename, label_filename, buffer_size):
def
train
():
"""
MNIST train set creator.
It returns a reader creator, each sample in the reader is image pixels in
[0, 1] and label in [0, 9].
:return: Train reader creator
:rtype: callable
"""
return
reader_creator
(
paddle
.
v2
.
dataset
.
common
.
download
(
TRAIN_IMAGE_URL
,
'mnist'
,
TRAIN_IMAGE_MD5
),
...
...
@@ -80,6 +92,15 @@ def train():
def
test
():
"""
MNIST test set cretor.
It returns a reader creator, each sample in the reader is image pixels in
[0, 1] and label in [0, 9].
:return: Test reader creator.
:rtype: callable
"""
return
reader_creator
(
paddle
.
v2
.
dataset
.
common
.
download
(
TEST_IMAGE_URL
,
'mnist'
,
TEST_IMAGE_MD5
),
...
...
python/paddle/v2/dataset/movielens.py
浏览文件 @
88cb8eea
...
...
@@ -11,6 +11,11 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Movielens 1-M dataset.
TODO(yuyang18): Complete comments.
"""
import
zipfile
from
common
import
download
...
...
python/paddle/v2/dataset/sentiment.py
浏览文件 @
88cb8eea
...
...
@@ -15,18 +15,19 @@
# See the License for the specific language governing permissions and
# limitations under the License.
"""
The script fetch and preprocess movie_reviews data set
The script fetch and preprocess movie_reviews data set
that provided by NLTK
that provided by NLTK
TODO(yuyang18): Complete dataset.
"""
import
common
import
collections
import
nltk
import
numpy
as
np
from
itertools
import
chain
import
nltk
from
nltk.corpus
import
movie_reviews
import
common
__all__
=
[
'train'
,
'test'
,
'get_word_dict'
]
NUM_TRAINING_INSTANCES
=
1600
NUM_TOTAL_INSTANCES
=
2000
...
...
python/paddle/v2/dataset/uci_housing.py
浏览文件 @
88cb8eea
...
...
@@ -11,6 +11,11 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
UCI Housing dataset.
TODO(yuyang18): Complete comments.
"""
import
numpy
as
np
import
os
...
...
python/paddle/v2/event.py
浏览文件 @
88cb8eea
...
...
@@ -34,6 +34,10 @@ class WithMetric(object):
class
TestResult
(
WithMetric
):
"""
Result that trainer.test return.
"""
def
__init__
(
self
,
evaluator
,
cost
):
super
(
TestResult
,
self
).
__init__
(
evaluator
)
self
.
cost
=
cost
...
...
python/paddle/v2/optimizer.py
浏览文件 @
88cb8eea
import
py_paddle.swig_paddle
as
swig_api
import
paddle.trainer_config_helpers.optimizers
as
v1_optimizers
import
paddle.trainer_config_helpers.config_parser_utils
as
config_parser_utils
import
paddle.v2
import
paddle.trainer_config_helpers.optimizers
as
v1_optimizers
"""
Optimizers(update equation) for SGD method.
TODO(yuyang18): Complete comments.
"""
__all__
=
[
'Momentum'
,
'Adam'
,
'Adamax'
,
'AdaGrad'
,
'DecayedAdaGrad'
,
'AdaDelta'
,
...
...
@@ -44,7 +49,7 @@ class Optimizer(object):
class
Momentum
(
Optimizer
):
def
__init__
(
self
,
momentum
=
None
,
sparse
=
False
,
**
kwargs
):
learning_method
=
v1_optimizers
.
MomentumOptimizer
(
momentum
=
None
,
sparse
=
Fal
se
)
momentum
=
momentum
,
sparse
=
spar
se
)
super
(
Momentum
,
self
).
__init__
(
learning_method
=
learning_method
,
**
kwargs
)
...
...
python/paddle/v2/parameters.py
浏览文件 @
88cb8eea
...
...
@@ -10,6 +10,7 @@ __all__ = ['Parameters', 'create']
def
create
(
layers
):
"""
Create parameter pool by topology.
:param layers:
:return:
"""
...
...
@@ -67,6 +68,7 @@ class Parameters(object):
def
keys
(
self
):
"""
keys are the names of each parameter.
:return: list of parameter name
:rtype: list
"""
...
...
@@ -75,6 +77,7 @@ class Parameters(object):
def
names
(
self
):
"""
names of each parameter.
:return: list of parameter name
:rtype: list
"""
...
...
@@ -83,6 +86,7 @@ class Parameters(object):
def
has_key
(
self
,
key
):
"""
has_key return true if there are such parameter name == key
:param key: Parameter name
:type key: basestring
:return: True if contains such key
...
...
@@ -136,6 +140,7 @@ class Parameters(object):
def
get_shape
(
self
,
key
):
"""
get shape of the parameter.
:param key: parameter name
:type key: basestring
:return: parameter's shape
...
...
@@ -190,6 +195,7 @@ class Parameters(object):
def
set
(
self
,
parameter_name
,
value
):
"""
Set parameter by parameter name & matrix.
:param parameter_name: parameter name
:type parameter_name: basestring
:param value: parameter matrix
...
...
python/paddle/v2/reader/__init__.py
浏览文件 @
88cb8eea
...
...
@@ -11,15 +11,64 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
At training and testing time, PaddlePaddle programs need to read data. To ease
the users' work to write data reading code, we define that
# It would be too lengthy to require our users to prefix decorators with `decorator`.
# For example, we want the following line
#
# r = paddle.reader.decorator.bufferd(paddle.reader.creator.text("hello.txt"))
#
# to be a shorter version:
#
# r = paddle.reader.buffered(paddle.reader.creator.text("hello.txt"))
- A *reader* is a function that reads data (from file, network, random number
generator, etc) and yields data items.
- A *reader creator* is a function that returns a reader function.
- A *reader decorator* is a function, which accepts one or more readers, and
returns a reader.
- A *batch reader* is a function that reads data (from *reader*, file, network,
random number generator, etc) and yields a batch of data items.
#####################
Data Reader Interface
#####################
Indeed, *data reader* doesn't have to be a function that reads and yields data
items. It can be any function with no parameter that creates a iterable
(anything can be used in :code:`for x in iterable`)\:
.. code-block:: python
iterable = data_reader()
Element produced from the iterable should be a **single** entry of data,
**not** a mini batch. That entry of data could be a single item, or a tuple of
items.
Item should be of `supported type <http://www.paddlepaddle.org/doc/ui/data_provider
/pydataprovider2.html?highlight=dense_vector#input-types>`_ (e.g., numpy 1d
array of float32, int, list of int)
An example implementation for single item data reader creator:
.. code-block:: python
def reader_creator_random_image(width, height):
def reader():
while True:
yield numpy.random.uniform(-1, 1, size=width*height)
return reader
An example implementation for multiple item data reader creator:
.. code-block:: python
def reader_creator_random_image_and_label(width, height, label):
def reader():
while True:
yield numpy.random.uniform(-1, 1, size=width*height), label
return reader
TODO(yuyang18): Should we add whole design doc here?
"""
import
decorator
from
decorator
import
*
import
creator
__all__
=
decorator
.
__all__
+
[
'creator'
]
python/paddle/v2/reader/creator.py
浏览文件 @
88cb8eea
...
...
@@ -11,6 +11,10 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Creator package contains some simple reader creator, which could be used in user
program.
"""
__all__
=
[
'np_array'
,
'text_file'
]
...
...
@@ -38,7 +42,7 @@ def np_array(x):
def
text_file
(
path
):
"""
Creates a data reader that outputs text line by line from given text file.
Trailing new line ('
\n
') of each line will be removed.
Trailing new line ('
\
\\\
n') of each line will be removed.
:path: path of the text file.
:returns: data reader of text file
...
...
python/paddle/v2/reader/decorator.py
浏览文件 @
88cb8eea
...
...
@@ -12,25 +12,27 @@
# See the License for the specific language governing permissions and
# limitations under the License.
__all__
=
[
'map_readers'
,
'buffered'
,
'compose'
,
'chain'
,
'shuffle'
,
'ComposeNotAligned'
,
'batched'
,
'firstn'
]
import
itertools
import
random
from
Queue
import
Queue
from
threading
import
Thread
__all__
=
[
'map_readers'
,
'buffered'
,
'compose'
,
'chain'
,
'shuffle'
,
'ComposeNotAligned'
,
'batched'
,
'firstn'
]
def
map_readers
(
func
,
*
readers
):
"""
Creates a data reader that outputs return value of function using
output of each data readers as arguments.
:param func: function to use.
:param *readers: readers whose outputs will be used as arguments of func.
:returns: the created data reader.
:param func: function to use. The type of func should be (Sample) => Sample
:type: callable
:param readers: readers whose outputs will be used as arguments of func.
:return: the created data reader.
:rtype: callable
"""
def
reader
():
...
...
@@ -45,16 +47,19 @@ def map_readers(func, *readers):
def
shuffle
(
reader
,
buf_size
):
"""
Creates a data reader whose data output is suffled.
Creates a data reader whose data output is s
h
uffled.
Output from the iterator that created by original reader will be
buffered into shuffle buffer, and then shuffled. The size of shuffle buffer
is determined by argument buf_size.
:param reader: the original reader whose output will be shuffled.
:type reader: callable
:param buf_size: shuffle buffer size.
:type buf_size: int
:returns:the new reader whose output is shuffled.
:return: the new reader whose output is shuffled.
:rtype: callable
"""
def
data_reader
():
...
...
@@ -88,7 +93,8 @@ def chain(*readers):
[0, 0, 0, 1, 1, 1, 2, 2, 2]
:param readers: input readers.
:returns: the new data reader.
:return: the new data reader.
:rtype: callable
"""
def
reader
():
...
...
@@ -115,12 +121,13 @@ def compose(*readers, **kwargs):
The composed reader will output:
(1, 2, 3, 4, 5)
:
*
readers: readers that will be composed together.
:check_alignment: if True, will check if input readers are aligned
:
param
readers: readers that will be composed together.
:
param
check_alignment: if True, will check if input readers are aligned
correctly. If False, will not check alignment and trailing outputs
will be discarded. Defaults to True.
:type check_alignment: bool
:return
s
: the new data reader.
:return: the new data reader.
:raises ComposeNotAligned: outputs of readers are not aligned.
Will not raise when check_alignment is set to False.
...
...
@@ -161,7 +168,9 @@ def buffered(reader, size):
as the buffer is not empty.
:param reader: the data reader to read from.
:type reader: callable
:param size: max buffer size.
:type size: int
:returns: the buffered data reader.
"""
...
...
@@ -196,9 +205,13 @@ def buffered(reader, size):
def
batched
(
reader
,
batch_size
):
"""
Create a batched reader.
:param reader: the data reader to read from.
:param batch_size: batch_size
:type reader: callable
:param batch_size: size of each mini-batch
:type batch_size: int
:return: the batched reader.
:rtype: callable
"""
def
batched_reader
():
...
...
@@ -218,6 +231,13 @@ def batched(reader, batch_size):
def
firstn
(
reader
,
n
):
"""
Limit the max number of samples that reader could return.
:param reader: the data reader to read from.
:type reader: callable
:param n: the max number of samples that return.
:type n: int
:return: the decorated reader.
:rtype: callable
"""
# TODO(yuyang18): Check if just drop the reader, could clean the opened
...
...
python/paddle/v2/trainer.py
浏览文件 @
88cb8eea
...
...
@@ -9,6 +9,10 @@ from . import optimizer as v2_optimizer
from
.
import
parameters
as
v2_parameters
__all__
=
[
'SGD'
]
"""
Trainer package
TODO(yuyang18): Complete comments.
"""
def
default_event_handler
(
event
):
...
...
@@ -22,15 +26,21 @@ def default_event_handler(event):
pass
class
SGD
():
def
__init__
(
self
,
cost
,
parameters
,
update_equation
):
class
SGD
(
object
):
"""
Simple SGD Trainer.
TODO(yuyang18): Complete comments
:param update_equation: The optimizer object.
:type update_equation: v2_optimizer.Optimizer
:type update_equation: paddle.v2.optimizer.Optimizer
:param cost: Target cost that neural network should be optimized.
:type cost: paddle.v2.config_base.Layer
:param parameters: The parameters dictionary.
:type parameters: paddle.v2.parameters.Parameters
"""
def
__init__
(
self
,
cost
,
parameters
,
update_equation
):
if
not
isinstance
(
parameters
,
v2_parameters
.
Parameters
):
raise
TypeError
(
'parameters should be parameters'
)
...
...
@@ -56,8 +66,6 @@ class SGD():
Training method. Will train num_passes of input data.
:param reader:
:param topology: Network Topology, use one or more Layers to represent it.
:param parameters: The parameter pools.
:param num_passes: The total train passes.
:param event_handler: Event handler. A method will be invoked when event
occurred.
...
...
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