Computer Organization and Design MIPS Edition, Fifth Edition: The Hardware/Software Interface (The Morgan Kaufmann Series in Computer Architecture and Design)
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Chapter 1, Problem 1.12.2E

Explanation of Solution

Given,

The processor P1 includes clock rate of 4 GHz with 0.9 Cycles Per Instructions (CPI) and requires 5×109 number of instructions.

The processor P2 includes clock rate of 3 GHz with 0.75 CPI and requires 1×109 number of instructions.

The time taken by the processor to complete the process can be calculated using the following formula is given below:

Time taken=Numberofinstructions×CPIClockrate

Substitute, “1×109” for “Number of instructions”, “0.9” for “CPI” and “4×109” for “clock rate” in the above formula is given below:

T(P1)=1×109×0.94×109=0.225

Thus, the time required by the processor P1 is “0

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