If you choose this second option, there are three possibilities you can use to gather all the input Tensors

The original BERT uses a subword-level tokenization with the vocabulary size of 30K which is learned after input preprocessing and using several heuristics. RoBERTa uses bytes instead of unicode characters as the base for subwords and expands the vocabulary size up to 50K without any preprocessing or input tokenization.

It happens due to the fact that reaching the document boundary and stopping there means that an input sequence will contain less than 512 tokens. For having a similar number of tokens across all batches, the batch size in such cases needs to be augmented. This leads to variable batch size and more complex comparisons which researchers wanted to avoid.

Retrieves sequence ids from a token list that has pelo special tokens added. This method is called when adding

Language model pretraining has led to significant performance gains but careful comparison between different

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It is also important to keep in mind that batch size increase results in easier parallelization through a special technique called “

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Apart from it, RoBERTa applies all four described aspects above with the same architecture parameters as BERT large. The total number of parameters of RoBERTa is 355M.

Attentions weights after the attention softmax, used to compute the weighted average in the self-attention

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Attentions weights after Confira the attention softmax, used to compute the weighted average in the self-attention heads.

If you choose this second option, there are three possibilities you can use to gather all the input Tensors

Attentions weights after the attention softmax, used to compute the weighted average in the self-attention heads.