An NUMA API for Linux Andi Kleen Aug 2004 计算机科学

An NUMA API for LinuxAndi Kleen SUSE Labs ak@suse.deAug 20041 What is NUMA API?CC/NUMA (Cache Coherent/Non Uniform Memory Access) machines are becom- ing more common. Examples are AMD Opteron, IBM Power5 or SGI Altix. This is opposite to SMP (Symmetric Multi Processing) where all CPUs in the system have the same access to all memory.A word on terminology: a node is a set of CPUs (Central Processing Unit) that all have equal fast access to some memory using a memory controller. On a system where