The scalability of system is a puzzle to design high performance computers. NUMA ( non - uniform memory architecture ) architecture is proposed for scalable system underlying a shared memory pattern. 高性能计算机系统的可扩展性是系统设计的一大难题,NUMA(non-uniformmemoryarchitecture)结构正是为了解决共享存储体系的可扩展性问题而提出来的。