pytorch

2e6221a2 - [nnc] Make 64-bit dimensions work (#64077)

[nnc] Make 64-bit dimensions work (#64077) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/64077 We were assuming kernel dimensions fit in 32 bits (the old fuser made this assumption too), but we should be able to support 64. ghstack-source-id: 136933272 Test Plan: unit tests; new IR level test with huge sizes Reviewed By: ZolotukhinM Differential Revision: D30596689 fbshipit-source-id: 23b7e393a2ebaecb0c391a6b1f0c4b05a98bcc94