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[NVIDIA] Throw an error for unsupported bias shape when cudnn backend is used in nn.dot_product_attention #23740

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@kaixih kaixih commented Sep 18, 2024

Address the issue reported in here.

cc. @sbodenstein

@kaixih kaixih changed the title [NVIDIA] Fix the returned dbias in bwd_batcher from cudnn sdpa [NVIDIA] Throw an error for unsupported bias shape when cudnn backend is used in nn.dot_product_attention Sep 20, 2024
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kaixih commented Sep 20, 2024

I’ve implemented a new change that defines custom VJP rules and batching rules to validate the bias shape in both bprop and vmap usage.

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