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:

Quintiles

A statistical measure that divides a population or dataset into five equal groups or parts, according to a particular variable.

Deciles

Divisions of a dataset into ten equal parts, where each part represents 10% of the data’s distribution.

Quartiles

Values that divide a list of numbers into quarters, providing a summary measure of the spread of the values.

Observations

The act of collecting data points or specific measurements from experiments, studies, or real-life occurrences.