pytorch

44fd3126 - [PyTorch] Use intrusive_ptr to save space in KernelFunction (#65618)

[PyTorch] Use intrusive_ptr to save space in KernelFunction (#65618) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/65618 This saves 8 bytes per KernelFunction, which should help in resource-constrained environments. ghstack-source-id: 140731069 Test Plan: CI Reviewed By: ezyang Differential Revision: D25405736 fbshipit-source-id: 757c0f1387da9147e46ac69af2aa9fffd2998e35