[GitHub] [incubator-mxnet] chinakook commented on issue #19574: symbol.tojson memory leak

[GitBox <gi...@apache.org>]

chinakook commented on issue #19574:
URL: https://github.com/apache/incubator-mxnet/issues/19574#issuecomment-773867205


   > @chinakook Hi, do you happen to know how I can patch `FasterRCNNTrainBatchify` to resolve this (if that's possible)?
   ```
       def __getstate__(self):
           return self._num_shards, self._img_pad, self._label_pad, self.NUM_ELEMENTS, \
                   [x.tojson(remove_amp_cast=False) for x in self._feat_sym]
   
       def __setstate__(self, state):
           self._num_shards, self._img_pad, self._label_pad, self.NUM_ELEMENTS, json_strs = state
           self._feat_sym = tuple([mx.symbol.load_json(x) for x in json_strs])
   ```
   Adding the code into ```class FasterRCNNTrainBatchify``` can solve it.


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