2. Average memory access time (AMAT) is an important metric for evaluating memory/cache performance and can be reduced by different cache optimization techniques. HINT: AMAT = (Hit Time) + (Miss Rate)...

1082_B_2_CA

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Extracted text: 2. Average memory access time (AMAT) is an important metric for evaluating memory/cache performance and can be reduced by different cache optimization techniques. HINT: AMAT = (Hit Time) + (Miss Rate) * (Miss Penalty) (a) Please describe how "non-blocking cache" works, and how does it influence the cache performance. (b) Please describe how "critical word first and early restart" works, and how does it influence the cache performance. (c) Between "non-blocking cache" and "ritical word first and early restart", which one introduces higher hardware cost?