首页
学习
活动
专区
圈层
工具
发布
社区首页 >问答首页 >LSTM/GRU和平面抛出尺寸不兼容误差的使用

LSTM/GRU和平面抛出尺寸不兼容误差的使用
EN

Stack Overflow用户
提问于 2020-08-17 16:52:33
回答 2查看 475关注 0票数 0

我想利用一个很有前途的神经网络,我在towardsdatascience上找到了一个用于我的案例研究。

我拥有的数据形状如下:

代码语言:javascript
复制
X_train:(1200,18,15)
y_train:(1200,18,1)

在这里,神经网络,它拥有其他层次的GRU,扁平和密集。

代码语言:javascript
复制
def twds_model(layer1=32, layer2=32, layer3=16, dropout_rate=0.5, optimizer='Adam'
                    , learning_rate=0.001, activation='relu', loss='mse'): 
    
    model = Sequential()
    model.add(Bidirectional(GRU(layer1, return_sequences=True),input_shape=(X_train.shape[1],X_train.shape[2])))
    model.add(AveragePooling1D(2))
    model.add(Conv1D(layer2, 3, activation=activation, padding='same', 
               name='extractor'))
    model.add(Flatten())
    model.add(Dense(layer3,activation=activation))
    model.add(Dropout(dropout_rate))
    model.add(Dense(1))
    model.compile(optimizer=optimizer,loss=loss)
    return model

twds_model=twds_model()
print(twds_model.summary())
代码语言:javascript
复制
_________________________________________________________________
Layer (type)                 Output Shape              Param #   
=================================================================
bidirectional_4 (Bidirection (None, 18, 64)            9216      
_________________________________________________________________
average_pooling1d_1 (Average (None, 9, 64)             0         
_________________________________________________________________
extractor (Conv1D)           (None, 9, 32)             6176      
_________________________________________________________________
flatten_1 (Flatten)          (None, 288)               0         
_________________________________________________________________
dense_3 (Dense)              (None, 16)                4624      
_________________________________________________________________
dropout_4 (Dropout)          (None, 16)                0         
_________________________________________________________________
dense_4 (Dense)              (None, 1)                 17        
=================================================================
Total params: 20,033
Trainable params: 20,033
Non-trainable params: 0
_________________________________________________________________
None

不幸的是,我陷入了一种矛盾的错误陷阱,输入和输出形状不匹配。这里是上层环境下的错误。

代码语言:javascript
复制
InvalidArgumentError: Incompatible shapes: [144,1] vs. [144,18,1]
     [[{{node loss_2/dense_4_loss/sub}}]]
     [[{{node loss_2/mul}}]]
代码语言:javascript
复制
Train on 10420 samples, validate on 1697 samples
Epoch 1/8

---------------------------------------------------------------------------
InvalidArgumentError                      Traceback (most recent call last)
<ipython-input-30-3f5256ff03ec> in <module>
----> 1 Test_tdws=twds_model.fit(X_train, y_train, epochs=8, batch_size=144, verbose=2, validation_split=(0.14), shuffle=False) #callbacks=[tensorboard])

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\keras\engine\training.py in fit(self, x, y, batch_size, epochs, verbose, callbacks, validation_split, validation_data, shuffle, class_weight, sample_weight, initial_epoch, steps_per_epoch, validation_steps, max_queue_size, workers, use_multiprocessing, **kwargs)
    878           initial_epoch=initial_epoch,
    879           steps_per_epoch=steps_per_epoch,
--> 880           validation_steps=validation_steps)
    881 
    882   def evaluate(self,

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\keras\engine\training_arrays.py in model_iteration(model, inputs, targets, sample_weights, batch_size, epochs, verbose, callbacks, val_inputs, val_targets, val_sample_weights, shuffle, initial_epoch, steps_per_epoch, validation_steps, mode, validation_in_fit, **kwargs)
    327 
    328         # Get outputs.
--> 329         batch_outs = f(ins_batch)
    330         if not isinstance(batch_outs, list):
    331           batch_outs = [batch_outs]

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\keras\backend.py in __call__(self, inputs)
   3074 
   3075     fetched = self._callable_fn(*array_vals,
-> 3076                                 run_metadata=self.run_metadata)
   3077     self._call_fetch_callbacks(fetched[-len(self._fetches):])
   3078     return nest.pack_sequence_as(self._outputs_structure,

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\client\session.py in __call__(self, *args, **kwargs)
   1437           ret = tf_session.TF_SessionRunCallable(
   1438               self._session._session, self._handle, args, status,
-> 1439               run_metadata_ptr)
   1440         if run_metadata:
   1441           proto_data = tf_session.TF_GetBuffer(run_metadata_ptr)

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\framework\errors_impl.py in __exit__(self, type_arg, value_arg, traceback_arg)
    526             None, None,
    527             compat.as_text(c_api.TF_Message(self.status.status)),
--> 528             c_api.TF_GetCode(self.status.status))
    529     # Delete the underlying status object from memory otherwise it stays alive
    530     # as there is a reference to status from this from the traceback due to

InvalidArgumentError: Incompatible shapes: [144,1] vs. [144,18,1]
     [[{{node loss_2/dense_4_loss/sub}}]]
     [[{{node loss_2/mul}}]]

为了完成预期的错误,y_train被整形为(1200*18,1):

代码语言:javascript
复制
---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
<ipython-input-47-2a6d0761b794> in <module>
----> 1 Test_tdws=twds_model.fit(X_train, y_train_flat, epochs=8, batch_size=144, verbose=2, validation_split=(0.14), shuffle=False) #callbacks=[tensorboard])

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\keras\engine\training.py in fit(self, x, y, batch_size, epochs, verbose, callbacks, validation_split, validation_data, shuffle, class_weight, sample_weight, initial_epoch, steps_per_epoch, validation_steps, max_queue_size, workers, use_multiprocessing, **kwargs)
    774         steps=steps_per_epoch,
    775         validation_split=validation_split,
--> 776         shuffle=shuffle)
    777 
    778     # Prepare validation data.

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\keras\engine\training.py in _standardize_user_data(self, x, y, sample_weight, class_weight, batch_size, check_steps, steps_name, steps, validation_split, shuffle)
   2434       # Check that all arrays have the same length.
   2435       if not self._distribution_strategy:
-> 2436         training_utils.check_array_lengths(x, y, sample_weights)
   2437         if self._is_graph_network and not self.run_eagerly:
   2438           # Additional checks to avoid users mistakenly using improper loss fns.

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\keras\engine\training_utils.py in check_array_lengths(inputs, targets, weights)
    454                      'the same number of samples as target arrays. '
    455                      'Found ' + str(list(set_x)[0]) + ' input samples '
--> 456                      'and ' + str(list(set_y)[0]) + ' target samples.')
    457   if len(set_w) > 1:
    458     raise ValueError('All sample_weight arrays should have '

ValueError: Input arrays should have the same number of samples as target arrays. Found 12117 input samples and 218106 target samples

使用的版本如下:

代码语言:javascript
复制
Package                Version
---------------------- --------------------
-                      nsorflow-gpu
-ensorflow-gpu         1.13.1
-rotobuf               3.11.3
-umpy                  1.18.1
absl-py                0.9.0
antlr4-python3-runtime 4.8
asn1crypto             1.3.0
astor                  0.7.1
astropy                3.2.1
astunparse             1.6.3
attrs                  19.3.0
audioread              2.1.8
autopep8               1.5.3
backcall               0.1.0
beautifulsoup4         4.9.0
bezier                 0.8.0
bkcharts               0.2
bleach                 3.1.4
blis                   0.2.4
bokeh                  1.1.0
boto3                  1.9.253
botocore               1.12.253
Bottleneck             1.3.2
cachetools             4.1.0
certifi                2020.4.5.1
cffi                   1.14.0
chardet                3.0.4
click                  6.7
cloudpickle            0.5.3
cmdstanpy              0.4.0
color                  0.1
colorama               0.4.3
colorcet               0.9.1
convertdate            2.2.1
copulas                0.2.5
cryptography           2.8
ctgan                  0.2.1
cycler                 0.10.0
cymem                  2.0.2
Cython                 0.29.17
dash                   0.26.0
dash-core-components   0.27.2
dash-html-components   0.11.0
dash-renderer          0.13.2
dask                   0.18.1
dataclasses            0.6
datashader             0.7.0
datashape              0.5.2
datawig                0.1.10
deap                   1.3.0
decorator              4.4.2
defusedxml             0.6.0
deltapy                0.1.1
dill                   0.2.9
distributed            1.22.1
docutils               0.14
entrypoints            0.3
ephem                  3.7.7.1
et-xmlfile             1.0.1
exrex                  0.10.5
Faker                  4.0.3
fastai                 1.0.60
fastprogress           0.2.2
fbprophet              0.6
fire                   0.3.1
Flask                  1.0.2
Flask-Compress         1.4.0
future                 0.17.1
gast                   0.3.3
geojson                2.4.1
geomet                 0.2.0.post2
google-auth            1.14.0
google-auth-oauthlib   0.4.1
google-pasta           0.2.0
gplearn                0.4.1
graphviz               0.13.2
grpcio                 1.29.0
h5py                   2.10.0
HeapDict               1.0.0
holidays               0.10.2
holoviews              1.12.1
html2text              2018.1.9
hyperas                0.4.1
hyperopt               0.1.2
idna                   2.6
imageio                2.5.0
imbalanced-learn       0.3.3
imblearn               0.0
importlib-metadata     1.5.0
impyute                0.0.8
ipykernel              5.1.4
ipython                7.13.0
ipython-genutils       0.2.0
ipywidgets             7.5.1
itsdangerous           0.24
jdcal                  1.4
jedi                   0.16.0
Jinja2                 2.11.1
jmespath               0.9.5
joblib                 0.13.2
jsonschema             3.2.0
jupyter                1.0.0
jupyter-client         6.1.2
jupyter-console        6.0.0
jupyter-core           4.6.3
Keras                  2.2.5
Keras-Applications     1.0.8
Keras-Preprocessing    1.1.2
keras-rectified-adam   0.17.0
kiwisolver             1.2.0
korean-lunar-calendar  0.2.1
librosa                0.7.2
llvmlite               0.32.1
lml                    0.0.1
locket                 0.2.0
LunarCalendar          0.0.9
Markdown               2.6.11
MarkupSafe             1.1.1
matplotlib             3.2.1
missingpy              0.2.0
mistune                0.8.4
mkl-fft                1.0.15
mkl-random             1.1.0
mkl-service            2.3.0
mock                   4.0.2
msgpack                0.5.6
multipledispatch       0.6.0
murmurhash             1.0.2
mxnet                  1.4.1
nb-conda               2.2.1
nb-conda-kernels       2.2.3
nbconvert              5.6.1
nbformat               5.0.4
nbstripout             0.3.7
networkx               2.1
notebook               6.0.3
numba                  0.49.1
numexpr                2.7.1
numpy                  1.19.0
oauthlib               3.1.0
olefile                0.46
opencv-python          4.2.0.34
openpyxl               2.5.5
opt-einsum             3.2.1
packaging              20.3
pandas                 1.0.3
pandasvault            0.0.3
pandocfilters          1.4.2
param                  1.9.0
parso                  0.6.2
partd                  0.3.8
patsy                  0.5.1
pbr                    5.1.3
pickleshare            0.7.5
Pillow                 7.0.0
pip                    20.0.2
plac                   0.9.6
plotly                 4.7.1
plotly-express         0.4.1
preshed                2.0.1
prometheus-client      0.7.1
prompt-toolkit         3.0.4
protobuf               3.11.3
psutil                 5.4.7
py                     1.8.0
pyasn1                 0.4.8
pyasn1-modules         0.2.8
pycodestyle            2.6.0
pycparser              2.20
pyct                   0.4.5
pyensae                1.3.839
pyexcel                0.5.8
pyexcel-io             0.5.7
Pygments               2.6.1
pykalman               0.9.5
PyMeeus                0.3.7
pymongo                3.8.0
pyOpenSSL              19.1.0
pyparsing              2.4.7
pypi                   2.1
pyquickhelper          1.9.3418
pyrsistent             0.16.0
PySocks                1.7.1
pystan                 2.19.1.1
python-dateutil        2.8.1
pytz                   2019.3
pyviz-comms            0.7.2
PyWavelets             0.5.2
pywin32                227
pywinpty               0.5.7
PyYAML                 5.3.1
pyzmq                  18.1.1
qtconsole              4.4.4
rdt                    0.2.1
RegscorePy             1.1
requests               2.23.0
requests-oauthlib      1.3.0
resampy                0.2.2
retrying               1.3.3
rsa                    4.0
s3transfer             0.2.1
scikit-image           0.15.0
scikit-learn           0.23.2
scipy                  1.4.1
sdv                    0.3.2
seaborn                0.9.0
seasonal               0.3.1
Send2Trash             1.5.0
sentinelsat            0.12.2
setuptools             46.3.0
setuptools-git         1.2
six                    1.14.0
sklearn                0.0
sortedcontainers       2.0.4
SoundFile              0.10.3.post1
soupsieve              2.0
spacy                  2.1.8
srsly                  0.1.0
statsmodels            0.9.0
stopit                 1.1.2
sugartensor            1.0.0.2
ta                     0.5.25
tb-nightly             1.14.0a20190603
tblib                  1.3.2
tensorboard            1.13.1
tensorboard-plugin-wit 1.6.0.post3
tensorflow-estimator   1.13.0
tensorflow-gpu         1.13.1
termcolor              1.1.0
terminado              0.8.3
testpath               0.4.4
text-unidecode         1.3
texttable              1.4.0
tf-estimator-nightly   1.14.0.dev2019060501
Theano                 1.0.4
thinc                  7.0.8
threadpoolctl          2.1.0
toml                   0.10.1
toolz                  0.10.0
torch                  1.4.0
torchvision            0.5.0
tornado                6.0.4
TPOT                   0.10.2
tqdm                   4.45.0
traitlets              4.3.3
transforms3d           0.3.1
tsaug                  0.2.1
typeguard              2.7.1
typing                 3.6.6
update-checker         0.16
urllib3                1.22
utm                    0.4.2
wasabi                 0.2.2
wcwidth                0.1.9
webencodings           0.5.1
Werkzeug               1.0.1
wheel                  0.34.2
widgetsnbextension     3.5.1
win-inet-pton          1.1.0
wincertstore           0.2
wrapt                  1.11.2
xarray                 0.10.8
xlrd                   1.1.0
yahoo-historical       0.3.2
zict                   0.1.3
zipp                   2.2.0

提前对指向运行代码的每个提示表示非常感谢;-)!

艾迪迪特

在将tensorflow和keras更新为最新版本后,我收到以下错误。错误持续存在,尽管tensorlfow、CUDA 10.1和cudn8.0.2被完全删除并重新安装。这个错误是用我的原始代码和Fallen 示例代码产生的。

代码语言:javascript
复制
UnknownError:    Fail to find the dnn implementation.
     [[{{node CudnnRNN}}]]
     [[sequential/bidirectional/forward_gru/PartitionedCall]] [Op:__inference_train_function_5731]

Function call stack:
train_function -> train_function -> train_function
代码语言:javascript
复制
None
Epoch 1/4

---------------------------------------------------------------------------
UnknownError                              Traceback (most recent call last)
<ipython-input-1-64eb8afffe02> in <module>
     27     print(twds_model.summary())
     28 
---> 29     twds_model.fit(X_train, y_train, epochs=4)

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\keras\engine\training.py in _method_wrapper(self, *args, **kwargs)
    106   def _method_wrapper(self, *args, **kwargs):
    107     if not self._in_multi_worker_mode():  # pylint: disable=protected-access
--> 108       return method(self, *args, **kwargs)
    109 
    110     # Running inside `run_distribute_coordinator` already.

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\keras\engine\training.py in fit(self, x, y, batch_size, epochs, verbose, callbacks, validation_split, validation_data, shuffle, class_weight, sample_weight, initial_epoch, steps_per_epoch, validation_steps, validation_batch_size, validation_freq, max_queue_size, workers, use_multiprocessing)
   1096                 batch_size=batch_size):
   1097               callbacks.on_train_batch_begin(step)
-> 1098               tmp_logs = train_function(iterator)
   1099               if data_handler.should_sync:
   1100                 context.async_wait()

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\eager\def_function.py in __call__(self, *args, **kwds)
    778       else:
    779         compiler = "nonXla"
--> 780         result = self._call(*args, **kwds)
    781 
    782       new_tracing_count = self._get_tracing_count()

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\eager\def_function.py in _call(self, *args, **kwds)
    838         # Lifting succeeded, so variables are initialized and we can run the
    839         # stateless function.
--> 840         return self._stateless_fn(*args, **kwds)
    841     else:
    842       canon_args, canon_kwds = \

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\eager\function.py in __call__(self, *args, **kwargs)
   2827     with self._lock:
   2828       graph_function, args, kwargs = self._maybe_define_function(args, kwargs)
-> 2829     return graph_function._filtered_call(args, kwargs)  # pylint: disable=protected-access
   2830 
   2831   @property

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\eager\function.py in _filtered_call(self, args, kwargs, cancellation_manager)
   1846                            resource_variable_ops.BaseResourceVariable))],
   1847         captured_inputs=self.captured_inputs,
-> 1848         cancellation_manager=cancellation_manager)
   1849 
   1850   def _call_flat(self, args, captured_inputs, cancellation_manager=None):

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\eager\function.py in _call_flat(self, args, captured_inputs, cancellation_manager)
   1922       # No tape is watching; skip to running the function.
   1923       return self._build_call_outputs(self._inference_function.call(
-> 1924           ctx, args, cancellation_manager=cancellation_manager))
   1925     forward_backward = self._select_forward_and_backward_functions(
   1926         args,

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\eager\function.py in call(self, ctx, args, cancellation_manager)
    548               inputs=args,
    549               attrs=attrs,
--> 550               ctx=ctx)
    551         else:
    552           outputs = execute.execute_with_cancellation(

~\Anaconda3\envs\Tensorflow\lib\site-packages\tensorflow\python\eager\execute.py in quick_execute(op_name, num_outputs, inputs, attrs, ctx, name)
     58     ctx.ensure_initialized()
     59     tensors = pywrap_tfe.TFE_Py_Execute(ctx._handle, device_name, op_name,
---> 60                                         inputs, attrs, num_outputs)
     61   except core._NotOkStatusException as e:
     62     if name is not None:

UnknownError:    Fail to find the dnn implementation.
     [[{{node CudnnRNN}}]]
     [[sequential/bidirectional/forward_gru/PartitionedCall]] [Op:__inference_train_function_5731]

Function call stack:
train_function -> train_function -> train_function

相应的版本列表:

代码语言:javascript
复制
Package                  Version
------------------------ ---------------
-                        nsorflow-gpu
-ensorflow-gpu           2.3.0
-rotobuf                 3.11.3
absl-py                  0.9.0
antlr4-python3-runtime   4.8
asn1crypto               1.3.0
astor                    0.7.1
astropy                  3.2.1
astunparse               1.6.3
attrs                    19.3.0
audioread                2.1.8
autopep8                 1.5.3
backcall                 0.1.0
beautifulsoup4           4.9.0
bezier                   0.8.0
bkcharts                 0.2
bleach                   3.1.4
blis                     0.2.4
bokeh                    1.1.0
boto3                    1.9.253
botocore                 1.12.253
Bottleneck               1.3.2
cachetools               4.1.0
certifi                  2020.4.5.1
cffi                     1.14.0
chardet                  3.0.4
click                    6.7
cloudpickle              0.5.3
cmdstanpy                0.4.0
color                    0.1
colorama                 0.4.3
colorcet                 0.9.1
convertdate              2.2.1
copulas                  0.2.5
cryptography             2.8
ctgan                    0.2.1
cycler                   0.10.0
cymem                    2.0.2
Cython                   0.29.17
dash                     0.26.0
dash-core-components     0.27.2
dash-html-components     0.11.0
dash-renderer            0.13.2
dask                     0.18.1
dataclasses              0.6
datashader               0.7.0
datashape                0.5.2
datawig                  0.1.10
deap                     1.3.0
decorator                4.4.2
defusedxml               0.6.0
deltapy                  0.1.1
dill                     0.2.9
distributed              1.22.1
docutils                 0.14
entrypoints              0.3
ephem                    3.7.7.1
et-xmlfile               1.0.1
exrex                    0.10.5
Faker                    4.0.3
fastai                   1.0.60
fastprogress             0.2.2
fbprophet                0.6
fire                     0.3.1
Flask                    1.0.2
Flask-Compress           1.4.0
future                   0.17.1
gast                     0.3.3
geojson                  2.4.1
geomet                   0.2.0.post2
google-auth              1.14.0
google-auth-oauthlib     0.4.1
google-pasta             0.2.0
gplearn                  0.4.1
graphviz                 0.13.2
grpcio                   1.29.0
h5py                     2.10.0
HeapDict                 1.0.0
holidays                 0.10.2
holoviews                1.12.1
html2text                2018.1.9
hyperas                  0.4.1
hyperopt                 0.1.2
idna                     2.6
imageio                  2.5.0
imbalanced-learn         0.3.3
imblearn                 0.0
importlib-metadata       1.5.0
impyute                  0.0.8
ipykernel                5.1.4
ipython                  7.13.0
ipython-genutils         0.2.0
ipywidgets               7.5.1
itsdangerous             0.24
jdcal                    1.4
jedi                     0.16.0
Jinja2                   2.11.1
jmespath                 0.9.5
joblib                   0.13.2
jsonschema               3.2.0
jupyter                  1.0.0
jupyter-client           6.1.2
jupyter-console          6.0.0
jupyter-core             4.6.3
Keras                    2.4.3
Keras-Applications       1.0.8
Keras-Preprocessing      1.1.2
keras-rectified-adam     0.17.0
kiwisolver               1.2.0
korean-lunar-calendar    0.2.1
librosa                  0.7.2
llvmlite                 0.32.1
lml                      0.0.1
locket                   0.2.0
LunarCalendar            0.0.9
Markdown                 2.6.11
MarkupSafe               1.1.1
matplotlib               3.2.1
missingpy                0.2.0
mistune                  0.8.4
mkl-fft                  1.0.15
mkl-random               1.1.0
mkl-service              2.3.0
mock                     4.0.2
msgpack                  0.5.6
multipledispatch         0.6.0
murmurhash               1.0.2
mxnet                    1.4.1
nb-conda                 2.2.1
nb-conda-kernels         2.2.3
nbconvert                5.6.1
nbformat                 5.0.4
nbstripout               0.3.7
networkx                 2.1
notebook                 6.0.3
numba                    0.49.1
numexpr                  2.7.1
numpy                    1.18.5
oauthlib                 3.1.0
olefile                  0.46
opencv-python            4.2.0.34
openpyxl                 2.5.5
opt-einsum               3.2.1
packaging                20.3
pandas                   1.0.3
pandasvault              0.0.3
pandocfilters            1.4.2
param                    1.9.0
parso                    0.6.2
partd                    0.3.8
patsy                    0.5.1
pbr                      5.1.3
pickleshare              0.7.5
Pillow                   7.0.0
pip                      20.2.2
plac                     0.9.6
plotly                   4.7.1
plotly-express           0.4.1
preshed                  2.0.1
prometheus-client        0.7.1
prompt-toolkit           3.0.4
protobuf                 3.11.3
psutil                   5.4.7
py                       1.8.0
pyasn1                   0.4.8
pyasn1-modules           0.2.8
pycodestyle              2.6.0
pycparser                2.20
pyct                     0.4.5
pyensae                  1.3.839
pyexcel                  0.5.8
pyexcel-io               0.5.7
Pygments                 2.6.1
pykalman                 0.9.5
PyMeeus                  0.3.7
pymongo                  3.8.0
pyOpenSSL                19.1.0
pyparsing                2.4.7
pypi                     2.1
pyquickhelper            1.9.3418
pyrsistent               0.16.0
PySocks                  1.7.1
pystan                   2.19.1.1
python-dateutil          2.8.1
pytz                     2019.3
pyviz-comms              0.7.2
PyWavelets               0.5.2
pywin32                  227
pywinpty                 0.5.7
PyYAML                   5.3.1
pyzmq                    18.1.1
qtconsole                4.4.4
rdt                      0.2.1
RegscorePy               1.1
requests                 2.23.0
requests-oauthlib        1.3.0
resampy                  0.2.2
retrying                 1.3.3
rsa                      4.0
s3transfer               0.2.1
scikit-image             0.15.0
scikit-learn             0.23.2
scipy                    1.4.1
sdv                      0.3.2
seaborn                  0.9.0
seasonal                 0.3.1
Send2Trash               1.5.0
sentinelsat              0.12.2
setuptools               46.3.0
setuptools-git           1.2
six                      1.14.0
sklearn                  0.0
sortedcontainers         2.0.4
SoundFile                0.10.3.post1
soupsieve                2.0
spacy                    2.1.8
srsly                    0.1.0
statsmodels              0.9.0
stopit                   1.1.2
sugartensor              1.0.0.2
ta                       0.5.25
tb-nightly               1.14.0a20190603
tblib                    1.3.2
tensorboard              2.3.0
tensorboard-plugin-wit   1.7.0
tensorflow-gpu           2.3.0
tensorflow-gpu-estimator 2.3.0
termcolor                1.1.0
terminado                0.8.3
testpath                 0.4.4
text-unidecode           1.3
texttable                1.4.0
Theano                   1.0.4
thinc                    7.0.8
threadpoolctl            2.1.0
toml                     0.10.1
toolz                    0.10.0
torch                    1.4.0
torchvision              0.5.0
tornado                  6.0.4
TPOT                     0.10.2
tqdm                     4.45.0
traitlets                4.3.3
transforms3d             0.3.1
tsaug                    0.2.1
typeguard                2.7.1
typing                   3.6.6
update-checker           0.16
urllib3                  1.22
utm                      0.4.2
wasabi                   0.2.2
wcwidth                  0.1.9
webencodings             0.5.1
Werkzeug                 1.0.1
wheel                    0.34.2
widgetsnbextension       3.5.1
win-inet-pton            1.1.0
wincertstore             0.2
wrapt                    1.11.2
xarray                   0.10.8
xlrd                     1.1.0
yahoo-historical         0.3.2
zict                     0.1.3
zipp                     2.2.0
EN

回答 2

Stack Overflow用户

回答已采纳

发布于 2020-08-18 21:29:45

好吧,这就是对我有用的东西:

代码语言:javascript
复制
Tensorflow 2.3.0
Keras 2.4.2
CUDA 10.1
cuDNN 7.6.5

与从此github问题检索到的代码片段一起使用

代码语言:javascript
复制
import tensorflow as tf
import os
os.environ['TF_CPP_MIN_LOG_LEVEL'] = '3'
os.environ["CUDA_DEVICE_ORDER"] = "PCI_BUS_ID"
os.environ["CUDA_VISIBLE_DEVICES"] = '0' # Set to -1 if CPU should be used CPU = -1 , GPU = 0

gpus = tf.config.experimental.list_physical_devices('GPU')
cpus = tf.config.experimental.list_physical_devices('CPU')

if gpus:
    try:
        # Currently, memory growth needs to be the same across GPUs
        for gpu in gpus:
            tf.config.experimental.set_memory_growth(gpu, True)
        logical_gpus = tf.config.experimental.list_logical_devices('GPU')
        print(len(gpus), "Physical GPUs,", len(logical_gpus), "Logical GPUs")
    except RuntimeError as e:
        # Memory growth must be set before GPUs have been initialized
        print(e)
elif cpus:
    try:
        # Currently, memory growth needs to be the same across GPUs
        logical_cpus= tf.config.experimental.list_logical_devices('CPU')
        print(len(cpus), "Physical CPU,", len(logical_cpus), "Logical CPU")
    except RuntimeError as e:
        # Memory growth must be set before GPUs have been initialized
        print(e)

非常感谢和我在一起的@Fallen 。如果您好奇,您可能还想简要地了解一下我的在这里跟进问题 ;-)。

票数 0
EN

Stack Overflow用户

发布于 2020-08-17 18:14:46

我无法重现您的错误,请检查以下代码是否适合您:

代码语言:javascript
复制
from tensorflow.keras import Sequential
from tensorflow.keras.layers import Conv1D, GRU, Bidirectional, AveragePooling1D, Dense, Flatten, Dropout
import numpy as np


def twds_model(layer1=32, layer2=32, layer3=16, dropout_rate=0.5, optimizer='Adam',
               learning_rate=0.001, activation='relu', loss='mse'):
    model = Sequential()
    model.add(Bidirectional(GRU(layer1, return_sequences=True), input_shape=(X_train.shape[1], X_train.shape[2])))
    model.add(AveragePooling1D(2))
    model.add(Conv1D(layer2, 3, activation=activation, padding='same',
                     name='extractor'))
    model.add(Flatten())
    model.add(Dense(layer3, activation=activation))
    model.add(Dropout(dropout_rate))
    model.add(Dense(1))
    model.compile(optimizer=optimizer, loss=loss)
    return model


if __name__ == '__main__':
    X_train = np.random.rand(1200, 18, 15)
    y_train = np.random.rand(1200, 18, 1)

    twds_model = twds_model()
    print(twds_model.summary())

    twds_model.fit(X_train, y_train, epochs=20)
票数 0
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接:

https://stackoverflow.com/questions/63455257

复制
相关文章

相似问题

领券
问题归档专栏文章快讯文章归档关键词归档开发者手册归档开发者手册 Section 归档