Multiprocessor are classified by the way their memory is organized.
- UMA (Uniform Memory Access) multiprocessors
- UMA Bus-Based SMP Architectures
- UMA Multiprocessors Using Crossbar Switches
- UMA Multiprocessors Using Multistage Switching Networks
- NUMA (Nonuniform Memory Access) multiprocessors
参考资料：
- MULTIPLE PROCESSOR SYSTEMS
- Multiprocessor architecture