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19 July, 18:45

Consider a processor with a clock rate of 4.5 GHz and an average CPI of 2. Suppose the processor executes a program in 10 seconds. What is the number of cycles executed by this processor during the program? * 109 What is the number of instructions executed by this processor during the program? * 109

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  1. 19 July, 20:00
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    instruction executed = cycles executed / CPI = 45 x 109 / 2 = 22.5 x 109

    Modification:

    reduce execution time by 20 %

    CPI increased by 25%

    Explanation:

    What is number of instructions executed by this processor during the program?

    Answer:

    instruction executed = cycles executed / CPI = 45 x 109 / 2 = 22.5 x 109

    Modification:

    reduce execution time by 20 %

    CPI increased by 25%
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