pytorch

b2925671 - Updates deterministic flag to throw a warning, makes docs consistent (#45410)

Updates deterministic flag to throw a warning, makes docs consistent (#45410) Summary: Per feedback in the recent design review. Also tweaks the documentation to clarify what "deterministic" means and adds a test for the behavior. Pull Request resolved: https://github.com/pytorch/pytorch/pull/45410 Reviewed By: ngimel Differential Revision: D23974988 Pulled By: mruberry fbshipit-source-id: e48307da9c90418fc6834fbd67b963ba2fe0ba9d