globalcdbconfigure(deepspeed_config=config)#2、检查cdb状态,如果为空或者未被初始话,则告诉后续程序需要初始化通信后端dist_init_required is trueifdist_init_requiredisNone:dist_init_required=cdbisNoneornotcdb.is_initialized()#3、如果cdb为空,设置通信后端NCCL/gloo/MPI等ifcdbisNone:init_deepspeed_backend...