Criterions compute the loss function given the model and batch, roughly:
loss = criterion(model, batch)
.. automodule:: fairseq.criterions
:members:
.. autoclass:: fairseq.criterions.FairseqCriterion
:members:
:undoc-members:
.. autoclass:: fairseq.criterions.adaptive_loss.AdaptiveLoss
:members:
:undoc-members:
.. autoclass:: fairseq.criterions.composite_loss.CompositeLoss
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:undoc-members:
.. autoclass:: fairseq.criterions.cross_entropy.CrossEntropyCriterion
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:undoc-members:
.. autoclass:: fairseq.criterions.label_smoothed_cross_entropy.LabelSmoothedCrossEntropyCriterion
:members:
:undoc-members: