oob performance improvement for cpu DDP (#18595)
* oob performance improvement for cpu DDP
Signed-off-by: Wang, Yi A <yi.a.wang@intel.com>
* add is_psutil_available check
Signed-off-by: Wang, Yi A <yi.a.wang@intel.com>
Signed-off-by: Wang, Yi A <yi.a.wang@intel.com>
