a) A computer has a clock rate of 2GHz. It takes a program 10s to complete on this computer. The number of clock cycles of the program is b) A program has 1x106 instructions. The computer's clock cycle time is 250x10-12 seconds and the CPI is 2.0. Therefore, the CPU time of the program is seconds. c) We use a certain compression program as a benchmark of a certain computer system. The program has 2x10° instructions. The system has a CPI of 0.85, and a clock cycle time of 0.4x10⁹ seconds. When we run the program, it takes 100 seconds to complete on the computer system, whereas it takes 900 seconds to complete on a reference computer. From what you know about the SPEC benchmarks, the SPECratio is

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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a) A computer has a clock rate of 2GHz. It takes a program 10s to complete on this computer. The
number of clock cycles of the program is
b) A program has 1x106 instructions. The computer's clock cycle time is 250x10-12 seconds and the
CPI is 2.0. Therefore, the CPU time of the program is
seconds.
c) We use a certain compression program as a benchmark of a certain computer system. The program
has 2x10° instructions. The system has a CPI of 0.85, and a clock cycle time of 0.4x109 seconds.
When we run the program, it takes 100 seconds to complete on the computer system, whereas it
takes 900 seconds to complete on a reference computer. From what you know about the SPEC
benchmarks, the SPECratio is
Transcribed Image Text:a) A computer has a clock rate of 2GHz. It takes a program 10s to complete on this computer. The number of clock cycles of the program is b) A program has 1x106 instructions. The computer's clock cycle time is 250x10-12 seconds and the CPI is 2.0. Therefore, the CPU time of the program is seconds. c) We use a certain compression program as a benchmark of a certain computer system. The program has 2x10° instructions. The system has a CPI of 0.85, and a clock cycle time of 0.4x109 seconds. When we run the program, it takes 100 seconds to complete on the computer system, whereas it takes 900 seconds to complete on a reference computer. From what you know about the SPEC benchmarks, the SPECratio is
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