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Interview Question for Graduate Technical Intern at Intel Corporation:

Oct 9, 2011

Do you know the MESI cache coherence protocol? How does it work? Given that a particular cache line is in <some arbitrary> state with processor 0, what happens when processor 1 requests the same cache line from memory?

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Oct 9, 2011

by Interview Candidate:

I didn't remember the entire state diagram, but knew the definitions of each of the states, so answered according to common sense.

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Intel Corporation Overview (INTC)

Website intel.com

HQ Santa Clara, CA

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Microprocessor, Microcontroller & Digital Signal Processor Manufacturing

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100K+ Employees, $43B+ Revenue

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AMD, Texas Instruments

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Intel, the world leader in silicon innovation, develops technologies, products, and initiatives to continually advance how people work and live. Founded in 1968 to build semiconductor memory products, Intel introduced… — Full Overview

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Interview Question for Graduate Technical Intern at Intel Corporation:

Do you know the MESI cache coherence protocol? How does it work? Given that a particular cache line is in <some arbitrary> state with processor 0, what happens when processor 1 requests the same cache line from memory?

Answers & Comments (1)

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