Chp8 my: Difference between revisions

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AMD  Opteron is using MOESI protocol for cache sharing.
AMD  Opteron is using MOESI protocol for cache sharing.
[[Image:Opteron moesi.gif]]
[[Image:Opteron moesi.gif]]



Revision as of 01:03, 26 March 2010

In computing, cache coherence (also cache coherency) refers to the consistency of data stored in local caches of a shared resource. Cache coherence is a special case of memory coherence.

Cache Coherence

Definition

Coherency protocol

MSI protocol

Intel

AMD

MESI protocol

Intel

AMD

MOESI protocol

Intel

AMD

AMD Opteron is using MOESI protocol for cache sharing.

Dragon protocol

Intel

AMD

References

  1. Cache Coherence
  2. Cache consistency & MESI Intel
  3. A closer look at AMD's dual-core architecture
  4. CSE 400 – Related Work: Instructions & Example
  5. Trace-Driven Simulation of the MSI, MESI and Dragon Cache Coherence Protocols
  6. Understanding the Detailed Architecture of AMD's 64 bit Core
  7. MSI,MESI,MOESI sheet