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Add a warning to the docstring of Parameters.to_tar() #5033

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merged 2 commits into from
Oct 24, 2017
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Add a warning to the docstring of Parameters.to_tar() #5033

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17eef3a
add a warning to docstring of Parameters.to_tar()
Oct 24, 2017
4098a03
refine the warning message
Oct 24, 2017
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11 changes: 11 additions & 0 deletions python/paddle/v2/parameters.py
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Original file line number Diff line number Diff line change
Expand Up @@ -322,6 +322,17 @@ def deserialize(self, name, f):
self.set(name, arr.reshape(self.get_shape(name)))

def to_tar(self, f):
"""
Save parameters to a tar file.

WARNING: You should use `paddle.v2.trainer.SGD.save_parameter_to_tar(f)`
to save parameters most of the time. Otherwise, some settings such
as model average will not take effect.

:param f:
:type f: file
:return:
"""
tar = tarfile.TarFile(fileobj=f, mode='w')
for nm in self.names():
buf = cStringIO.StringIO()
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