mpi.comm.get.parent is mainly used by slaves to find the intercommunicator or the parent who spawns them. The intercommunicator is saved in the specified comm number.
mpi.comm.get.parent是主要用于由奴隶,,找到intercommunicator或父衍生。该intercommunicator保存在指定的通讯号码。
mpi.comm.remote.size is mainly used by master to find the total number of slaves spawned.
mpi.comm.remote.size主要用于主总数的奴隶产生。
mpi.comm.test.inter tests if a comm is an intercomm or not.
mpi.comm.test.inter测试,如果一个通讯的InterComm或没有。