Operating Systems Multiprocessors UMA( Uniform Memory Access统一内存访问) 口每个存储器字的读出速度是一样快的。 UMA Multiprocessors with Bus-Based Architectures UMA Multiprocessor Using Crossbar Switches(交叉 开关) UMA Multiprocessor Using Multistage Switching Networks(多级交换网) NUMA( Nonuniform Memory access,非统一内存 访问) Gao Haichang, Software School, Xidian UniversityOperating Systems Gao Haichang , Software School, Xidian University 7 Multiprocessors UMA ( Uniform Memory Access，统一内存访问 )  每个存储器字的读出速度是一样快的。 ➢ UMA Multiprocessors with Bus-Based Architectures ➢ UMA Multiprocessor Using Crossbar Switches（交叉 开关） ➢ UMA Multiprocessor Using Multistage Switching Networks（多级交换网络） NUMA ( Nonuniform Memory Access，非统一内存 访问 )