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torch.nn.attention.bias

Created On: Dec 05, 2023 | Last Updated On: Jun 14, 2025

Defines bias subclasses that work with scaled_dot_product_attention

CausalBias

CausalBias

A bias representing causal attention patterns.

causal_lower_right

Creates a lower-right triangular causal bias.

causal_upper_left

Creates an upper-left triangular causal bias.

CausalVariant

Enum for causal variants used in attention mechanisms.

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https://docs.pytorch.org/docs/2.9/nn.attention.bias.html