Assume a processor having a memory cycle time of 300 ns and an instruction processing rate of 1 MIPS. On average, each instruction requires one bus memory cycle for instruction fetch and one for the operand it involves. a. Calculate the utilization of the bus by the processor. b. Suppose the processor is equipped with an instruction cache and the associated hit ratio is 0.5. Determine the impact on bus utilization.

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 2PE: If a microprocessor has a cycle time of 0.5 nanoseconds, what’s the processor clock rate? If the...
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Assume a processor having a memory cycle time of
300 ns and an instruction processing rate of 1 MIPS.
On average, each instruction requires one bus
memory cycle for instruction fetch and one for the
operand it involves.
a. Calculate the utilization of the bus by the
processor.
b. Suppose the processor is equipped with an
instruction cache and the associated hit ratio is
0.5. Determine the impact on bus utilization.
Transcribed Image Text:Assume a processor having a memory cycle time of 300 ns and an instruction processing rate of 1 MIPS. On average, each instruction requires one bus memory cycle for instruction fetch and one for the operand it involves. a. Calculate the utilization of the bus by the processor. b. Suppose the processor is equipped with an instruction cache and the associated hit ratio is 0.5. Determine the impact on bus utilization.
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