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What does MESI stand for? 

What does MESI mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: MESI.

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MESI

Modified Exclusive Shared Invalid

Miscellaneous » Unclassified

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MESI

Minnesota Evaluation Studies Institute

Governmental » Institutes

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MESI

Miller Engineering Services Inc

Business » Companies & Firms

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MESI

Manhattan Emergency Shelter Inc

Business » Companies & Firms

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MESI

Mindful Emotional and Social Intelligence

Miscellaneous » Unclassified

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MESI

Missoula Emergency Services Inc

Business » Companies & Firms

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MESI

Model Evaluate Shared Intrinsic

Miscellaneous » Unclassified

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MESI

Modified Exclusive Shared Invalidate

Miscellaneous » Unclassified

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MESI

Modified Exclusive Stale Invalidb

Miscellaneous » Unclassified

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MESI

Modified Exclusive System Input

Miscellaneous » Unclassified

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MESI

Modify Exclusive Share Invalidate

Miscellaneous » Unclassified

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MESI

Modify Exclusive Shared Invalid

Miscellaneous » Unclassified

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MESI

Modified Exclusive Shared and Invalid

Miscellaneous » Unclassified -- and more...

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MESI

Modified, Exclusive, Shared, Invalid

Computing » Hardware

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What does MESI mean?

mesi
The MESI protocol is an Invalidate-based cache coherence protocol, and is one of the most common protocols that support write-back caches. It is also known as the Illinois protocol (due to its development at the University of Illinois at Urbana-Champaign). Write back caches can save a lot of bandwidth that is generally wasted on a write through cache. There is always a dirty state present in write back caches that indicates that the data in the cache is different from that in main memory. The Illinois Protocol requires a cache to cache transfer on a miss if the block resides in another cache. This protocol reduces the number of main memory transactions with respect to the MSI protocol. This marks a significant improvement in performance.

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