pytorch

f0dd7517 - Add option to clean up allocated activations between c2 runs (#29619)

Add option to clean up allocated activations between c2 runs (#29619) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/29619 att Reviewed By: houseroad Differential Revision: D18415190 fbshipit-source-id: 739aaf436578fac635df10de42b35e2b4368df37