The CPU design team is designing an instruction set with three classes of instructions. Parameters are given in the following table.  Consider a program with 65% ALU instructions, 25% memory access instructions, and 10% control instructions.  What is the average CPI for this CPU?   Clock Rate 4GHz CPI for ALU Inst. 6 CPI for Memory Inst. 8 CPI for Control  Inst. 2

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter4: Processor Technology And Architecture
Section: Chapter Questions
Problem 26VE: _____ is a CPU design technique in which instruction execution is divided into multiple stages and...
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  • The CPU design team is designing an instruction set with three classes of instructions. Parameters are given in the following table.  Consider a program with 65% ALU instructions, 25% memory access instructions, and 10% control instructions.  What is the average CPI for this CPU?

 

Clock Rate

4GHz

CPI for ALU Inst.

6

CPI for Memory Inst.

8

CPI for Control  Inst.

2

 

 

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