SMP vs NUMA
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SMP(Symmetric Multi-Processor):对称多处理器结构
NUMA(Non-Uniform Memory Access) :非一致性内存访问
下面是一些摘自互联网上的SMP和NUMA的对比图片:
Cache-coherent NUMA (cc-NUMA):
Xeon 5500 NUMA:
QPI:QuickPath Interconnect
延伸阅读:
http://www.udpwork.com/item/5833.html
http://www.udpwork.com/item/5833.html
http://lse.sourceforge.net/numa/faq/index.html#real_world_analogy
http://lwn.net/Articles/254445/
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Performance_Tuning_Guide/s-cpu-multicore.html
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