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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2019/02/11 10:09:18 UTC
[GitHub] mahmoodn opened a new issue #14115: multivariate time series example
mahmoodn opened a new issue #14115: multivariate time series example
URL: https://github.com/apache/incubator-mxnet/issues/14115
For the multivariate time series example, I changed the default electricity.txt to exchange_rate.txt, however I get the following error
````
$ python lstnet.py --gpus=0 --batch-size=20 --num-filters=20 --num-epochs=1
lstnet.py:82: FutureWarning: Method .as_matrix will be removed in a future version. Use .values instead.
x = feature_df.as_matrix()
[13:33:50] src/operator/nn/./cudnn/./cudnn_algoreg-inl.h:97: Running performance tests to find the best convolution algorithm, this can take a while... (setting env variable MXNET_CUDNN_AUTOTUNE_DEFAULT to 0 to disable)
Metrics: Epoch 1, Training {'RAE': 0.20321928, 'RSE': 0.19795567, 'CORR': 0.68863547}
Metrics: Epoch 1, Validation {'RAE': 0.21487446, 'RSE': 0.24589065, 'CORR': 0.49501655}
Traceback (most recent call last):
File "lstnet.py", line 242, in <module>
train(symbol, train_iter, val_iter, data_names, label_names)
File "lstnet.py", line 216, in train
module.save_checkpoint(prefix=os.path.join("../models/", args.model_prefix), epoch=epoch, save_optimizer_states=False)
File "/home/mahmood/mx/mxnet/python/mxnet/module/module.py", line 178, in save_checkpoint
self._symbol.save('%s-symbol.json'%prefix)
File "/home/mahmood/mx/mxnet/python/mxnet/symbol/symbol.py", line 1216, in save
check_call(_LIB.MXSymbolSaveToFile(self.handle, c_str(fname)))
File "/home/mahmood/mx/mxnet/python/mxnet/base.py", line 252, in check_call
raise MXNetError(py_str(_LIB.MXGetLastError()))
mxnet.base.MXNetError: [13:34:22] src/io/local_filesys.cc:199: Check failed: allow_null LocalFileSystem::Open "../models/electricity_model-symbol.json": No such file or directory
Stack trace returned 10 entries:
[bt] (0) /home/mahmood/mx/mxnet/python/mxnet/../../lib/libmxnet.so(dmlc::StackTrace[abi:cxx11]()+0x169) [0x7f86df663659]
[bt] (1) /home/mahmood/mx/mxnet/python/mxnet/../../lib/libmxnet.so(dmlc::io::LocalFileSystem::Open(dmlc::io::URI const&, char const*, bool)+0x653) [0x7f86e29052e3]
[bt] (2) /home/mahmood/mx/mxnet/python/mxnet/../../lib/libmxnet.so(dmlc::Stream::Create(char const*, char const*, bool)+0x211) [0x7f86e28f74f1]
[bt] (3) /home/mahmood/mx/mxnet/python/mxnet/../../lib/libmxnet.so(MXSymbolSaveToFile+0x59) [0x7f86e27d2f99]
[bt] (4) /home/mahmood/anaconda3/lib/python3.7/lib-dynload/../../libffi.so.6(ffi_call_unix64+0x4c) [0x7f870096eec0]
[bt] (5) /home/mahmood/anaconda3/lib/python3.7/lib-dynload/../../libffi.so.6(ffi_call+0x22d) [0x7f870096e87d]
[bt] (6) /home/mahmood/anaconda3/lib/python3.7/lib-dynload/_ctypes.cpython-37m-x86_64-linux-gnu.so(_ctypes_callproc+0x2ce) [0x7f872b429eee]
[bt] (7) /home/mahmood/anaconda3/lib/python3.7/lib-dynload/_ctypes.cpython-37m-x86_64-linux-gnu.so(+0x13924) [0x7f872b42a924]
[bt] (8) python(_PyObject_FastCallKeywords+0x4ab) [0x559eff13265b]
[bt] (9) python(_PyEval_EvalFrameDefault+0x532e) [0x559eff18e40e]
```
What should I do?
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