[cuDNN][SDPA][submodule] Roll-back cuDNN frontend upgrade, update Meta registration (#163104)

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For https://github.com/pytorch/torchtitan/issues/1713

Also note that we will need to rollback the cuDNN frontend upgrade in 2.9 as it currently introduces a segmentation fault by assuming tensors have their strides and sizes populated at graph creation time 1a7b4b78db/include/cudnn_frontend/node/sdpa_support_surface.h (L447%C2%A0)

Pull Request resolved: https://github.com/pytorch/pytorch/pull/163104
Approved by: https://github.com/drisspg

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Eddie Yan

2025-09-17 15:48:54 +00:00

committed by PyTorch MergeBot

parent 16475a829f

commit 9b7a8c4d05

4 changed files with 31 additions and 4 deletions

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third_party/cudnn_frontend vendored

Submodule third_party/cudnn_frontend updated: 1a7b4b78db...f937055efc