A Two Part Question

question 5

Essay

A two part question
(a) Why is miss rate not a good metric for evaluating cache performance? What is the appropriate metric? Give its definition. What is the reason for using a combination of first and second- level caches rather than using the same chip area for a larger first-level cache?
(b) The original motivation for using virtual memory was "compatibility". What does that mean in this context? What are two other motivations for using virtual memory?

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Definitions:

Goal

A desired result or achievement that an individual or organization aims to work toward through planned actions.

Positive Change

A term describing an improvement or a beneficial transformation in a situation, individual's life, or organization.

Negative Change

A shift in circumstances or conditions that leads to a deterioration or adverse outcomes compared to previous states.

Life Changes

Any noticeable alterations in one’s living circumstances that require readjustment.