* start from 1.12, torch_ccl is renamed as oneccl_bindings_for_pytorch and should import it before use Signed-off-by: Wang, Yi A <yi.a.wang@intel.com> * add doc for perf_train_cpu_many Signed-off-by: Wang, Yi A <yi.a.wang@intel.com> * update doc Signed-off-by: Wang, Yi A <yi.a.wang@intel.com>