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Bus snooping

Bus snooping or bus sniffing is a scheme by which a coherency controller (snooper) in a cache (a snoopy cache) monitors or snoops the bus transactions, and its goal is to maintain a cache coherency in distributed shared memory systems. This scheme was introduced by Ravishankar and Goodman in 1983, under the name "write-once" cache coherency. A cache…

Works, Types of snooping protocols & How it works

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Types of snooping protocols

MSIMESIMOSIMOESIMESIF
7 related topics

How it works

Invalidation
1 related topics

Drawback

ScalabilityAccess timeCache coherent NUMADirectory-based coherence protocols
4 related topics

Implementation

BitsDirty bitCache line
3 related topics

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Overview

How it works

Types of snooping protocols

Implementation

Benefit

Drawback

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Map overview Semantic statistics

Bus snooping

Nodes27
Edges26
Triples27
Avg. degree1.93
Density0.074074
Components1

How this topic connects Entity context

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Bus snooping

Top relations

related to Write-invalidate · 8
Bus snooping → All, MESI, MESIF, MOESI, MOSI, MSI, This, When
related to Drawback · 6
Bus snooping → Each, Frequent, It, NUMA, Since, The
related to How it works · 6
Bus snooping → All, If, It, The, This, When
related to Write-update · 5
Bus snooping → Dragon, It, That, This, When
related to Benefit · 2
Bus snooping → Bus, The

Important terminology Word statistics

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Important terminology

cache bus snooping caches block snoop filter shared copy coherency data processor coherence one dirty memory snooper means protocols value

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Bus snoopingrelated to BenefitThe0.60section
Bus snoopingrelated to BenefitBus0.60section
Bus snoopingrelated to DrawbackThe0.60section
Bus snoopingrelated to DrawbackFrequent0.60section
Bus snoopingrelated to DrawbackEach0.60section
Bus snoopingrelated to DrawbackIt0.60section
Bus snoopingrelated to DrawbackSince0.60section
Bus snoopingrelated to DrawbackNUMA0.60section
Bus snoopingrelated to How it worksWhen0.60section
Bus snoopingrelated to How it worksThis0.60section
Bus snoopingrelated to How it worksThe0.60section
Bus snoopingrelated to How it worksAll0.60section

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    Min side: 3
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