DeepSpeed

497b741f - [zero.Init] post_init partitining is to be run only by a child module (#1202)

[zero.Init] post_init partitining is to be run only by a child module (#1202) * post_init to be run only by a child module * better solution * add test * safer attr name * wants half() * improve doc Co-authored-by: Olatunji Ruwase <olruwase@microsoft.com>