I have to deal with variable length of indices of  embeddings, in which EmbeddingBag is perfect for me.
Now, I need to ignore some embeddings in one bag with probabilities.  I tried to use padding_idx then I found there is no such option in EmbeddingBag. (I can map these discarded index to padding_index.)
Is this because of some implementation restrict ?
How can I ignore some embedding in one bag while keeps using EmbeddingBag?
Any help will be appreciated.
Thanks