pytorch

aeb3db8a - Back out "Fixing a bug where allocating a 4GB block results in using 8GB of memory (#95827)" (#96796)

Back out "Fixing a bug where allocating a 4GB block results in using 8GB of memory (#95827)" (#96796) Summary: Original commit changeset: a19273017a2a Original Phabricator Diff: D43969564 ----------------------------------------------------------------------------------------------------------------------- Test Plan: unlandayc Reviewed By: terrycsy Differential Revision: D44080273 Pull Request resolved: https://github.com/pytorch/pytorch/pull/96796 Approved by: https://github.com/jianyuh, https://github.com/davidberard98