Refreshing numel on a stride update is pointless. (#32116)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/32116
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Test Plan: Imported from OSS
Differential Revision: D19579875
Pulled By: ezyang
fbshipit-source-id: 00393c9dc101967c79231bfae36b23b7b80135fb
