cerebras.modelzoo.losses.DPOLoss.DPOLoss

class cerebras.modelzoo.losses.DPOLoss.DPOLoss(*args, **kwargs)

Bases: torch.nn.Module

DPO Loss :param beta: Temperature parameter for the DPO loss, typically something in the range of 0.1 to 0.5.

We ignore the reference model as beta -> 0.

Parameters

reference_free – If True, we ignore the _provided_ reference model and implicitly use a reference model that assigns equal probability to all responses.

Methods

forward

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