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What is cache-coherency and how does it maintain ?

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What is cache-coherency and how does it maintain ?
posted Dec 14, 2014 by Neeraj Mishra

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1 Answer

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In a multi-processor architecture, there are several caches and each of them may have same variable. So when value of variable changes in one cache then it should reflect in all other caches. This mechanism is known as cache-coherency.

answer Jan 25, 2015 by Vikram Singh
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