int MPI_Dims_create(int nnodes, int ndims, int * dims)
在卡氏网格中建立进程维的划分

int MPI_Errhandler_create(MPI_handler_function * function, MPI_Errhandler * errhandler)
创建MPI错误句柄。过时特性,建议用MPI_Comm_create_errhandler替代

int MPI_Errhandler_free(MPI_Errhandler * errhandler)
释放MPI错误句柄

int MPI_Errhandler_get(MPI_Comm comm, MPI_Errhandler * errhandler)
得到给定通信域的错误句柄,即将废弃的特性,建议用MPI_Comm_get_errhandler代替

int MPI_Errhandler_set(MPI_Comm comm, MPI_Errhandler errhandler)
设置MPI错误句柄,即将废弃的特性,建议用MPI_Comm_set_errhandler代替

int MPI_Error_class(int errorcode, int * errorclass)
将错误代码转换为错误类

int MPI_Error_string(int errorcode, char * string, int * resultlen)
由给定的错误代码,返回它所对应的字符串

int MPI_Finalize(void)
结束MPI运行环境