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Memory Organization

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Q.1 What is diffrence between EMAT(effective) and AMAT(average mem access time)?

Q.2 Suppose we have L1 cache ,L2cache and MM , and H1,M1, T1: hit/miss ratio, access time of L1 cache. And H2 , M2, T2 hit/miss ration of L2. amd MM access time is t3. Then how to calculate EMAT and AMAT?

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