pytorch

32ffad17 - [PyTorch][Easy] make GlobalRecordFunctionCallbacks smallvector (#70002)

[PyTorch][Easy] make GlobalRecordFunctionCallbacks smallvector (#70002) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/70002 callbacks are limited to 4. no reason for it to be `std::vector` Test Plan: CI Reviewed By: aaronenyeshi Differential Revision: D32611294 fbshipit-source-id: 21823248abe40d461579b9b68d53c8c0de2a133d