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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2018/06/28 19:50:36 UTC

[GitHub] altosaar edited a comment on issue #9257: No padding idx arg in gluon.nn.Embedding

altosaar edited a comment on issue #9257: No padding idx arg in gluon.nn.Embedding
URL: https://github.com/apache/incubator-mxnet/issues/9257#issuecomment-401128384
 
 
   This would be a nice feature to have.
   
   Current workaround:
   
   ```
   In [29]: emb = gluon.nn.Embedding(10, 3)
   
   In [30]: emb.initialize()
   
   In [31]: PADDING_IDX = 9
   
   In [32]: emb.weight._data[0][PADDING_IDX] = 0
   
   In [33]: x = emb(nd.array([PADDING_IDX]))
   
   # do stuff with embeddings. after every gradient update, need to set the padding embedding back to zero using `emb.weight._data[0][PADDING_IDX] = 0`.
   ```

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