A What Are the Two Characteristics of Program Memory Accesses

question 29

Essay

a. What are the two characteristics of program memory accesses that caches exploit?
b. What are three types of cache misses?
c. Design a 128KB direct-mapped data cache that uses a 32-bit address and 16 bytes per block. Calculate the following: (a)How many bits are used for the byte offset?
(b)How many bits are used for the set (index) field? (c) How many bits are used for the tag?

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Definitions:

Hypnagogic Sensations

Vivid sensory phenomena that occur during the onset of sleep, including visual, auditory, or tactile hallucinations.

REM Rebound

The increase in REM sleep that occurs after a period of REM sleep deprivation.

Selective Attention

The mental process of concentrating on one particular piece of information while disregarding other data that can be sensed.

Circadian Rhythms

Biological processes that follow a roughly 24-hour cycle, regulating sleep, wakefulness, and numerous physiological functions in living organisms.