Question 4. Let us consider a computer executing the following mix of instructions: Frequency Clock cycles 1 4 4 2 2 Instruction ALU LOAD STORE 50 20 10 BRANCH 10 JUMP 10 a. How much is the CPI average (1) assuming a clock period of 5 ns? How much is the Throughput expressed in MIPS, in the case (1)?

Computer Networking: A Top-Down Approach (7th Edition)
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Question 4. Let us consider a computer executing the following mix of instructions:
Frequency Clock cycles
1
Instruction
ALU
LOAD
STORE
BRANCH
JUMP
50
20
10
10
10
442 №
4
2
a. How much is the CPI average (1) assuming a clock period of 5 ns?
How much is the Throughput expressed in MIPS, in the case (1)?
b. Let us assume that, given some optimization techniques, the clock frequency has been
incremented by 25% and this implies a CPI increment of ALU instructions of 50%
and LOAD instructions of 25% while the remaining instructions are executed with the
same CPI. How much is CPI average (2)?
How much is the Throughput expressed in MIPS, in the case (2)?
Transcribed Image Text:Question 4. Let us consider a computer executing the following mix of instructions: Frequency Clock cycles 1 Instruction ALU LOAD STORE BRANCH JUMP 50 20 10 10 10 442 № 4 2 a. How much is the CPI average (1) assuming a clock period of 5 ns? How much is the Throughput expressed in MIPS, in the case (1)? b. Let us assume that, given some optimization techniques, the clock frequency has been incremented by 25% and this implies a CPI increment of ALU instructions of 50% and LOAD instructions of 25% while the remaining instructions are executed with the same CPI. How much is CPI average (2)? How much is the Throughput expressed in MIPS, in the case (2)?
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