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Non-uniform memory access

Non-uniform memory access (NUMA) is a computer memory design used in multiprocessing, where the memory access time depends on the memory location relative to the processor. Under NUMA, a processor can access its own local memory faster than non-local memory (memory local to another processor or memory shared between processors). NUMA is beneficial for…

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Overview

Implementations

Cache coherent NUMA (ccNUMA)

NUMA vs. cluster computing

Software support

Hardware support

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Non-uniform memory access

Nodes73
Edges72
Triples5
Avg. degree1.97
Density0.027397
Components1

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Important terminology

numa memory systems processors processor cache access data support architecture ccnuma intel servers version shared computer later cpu performance software

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
the MESIF protocol attempt to reduce the communication required to maintain cache coherencyinstance ofcache coherency protocols0.80text
having memory pages shared between processesinstance oftogether with the handling of cases0.80text
or the use of transparent huge pagesinstance oftogether with the handling of cases0.80text
those from Silicon Graphics were based on MIPS processorsinstance ofEarlier ccNUMA systems0.80text
the DEC Alpha 21364instance ofEarlier ccNUMA systems0.80text

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