roberta - Uma visão geral

roberta - Uma visão geral

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Edit RoBERTa is an extension of BERT with changes to the pretraining procedure. The modifications include: training the model longer, with bigger batches, over more data

RoBERTa has almost similar architecture as compare to BERT, but in order to improve the results on BERT architecture, the authors made some simple design changes in its architecture and training procedure. These changes are:

Use it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general

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The authors experimented with removing/adding of NSP loss to different versions and concluded that removing the NSP loss matches or slightly improves downstream task performance

model. Initializing with a config file does not load the weights associated with the model, only the configuration.

As researchers found, it is slightly better to use dynamic masking meaning that masking is generated uniquely every time a sequence is passed to BERT. Overall, this results in less duplicated data during the training giving an opportunity for a model to work with more various data and masking patterns.

No entanto, às vezes podem vir a ser obstinadas e teimosas e precisam aprender a ouvir ESTES outros e a considerar multiplos perspectivas. Robertas similarmente identicamente conjuntamente podem vir a ser bastante sensíveis e empáticas e gostam por ajudar ESTES outros.

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a dictionary with one or several input Tensors associated to the input names given in the docstring:

This results in 15M and 20M additional parameters for BERT base and BERT large models respectively. The introduced encoding version in RoBERTa demonstrates slightly worse results than before.

model. Initializing with a config file does not load the weights associated with the model, only the configuration.

dynamically changing the masking pattern applied to the training data. The authors also collect a large new dataset ($text CC-News $) of comparable size to other privately used datasets, to better control for training set size effects

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