Given the following design parameters to compare the performance of the processor P1 with 4 GHz...
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Given the following design parameters to compare the performance of the processor P1 with 4 GHz and processor P2 with 3.4 GHz: (P1) (P2) CPI for ALU instructions CPI for Control instructions 1.5 2.5 2.2 CPI for Memory instructions 2.7 2.2 2.7 a) Which processor has the highest performance expressed in instructions per second? b) For a program with 20% ALU instructions, 10% control instructions and 70% memory instructions, which design will be faster? Give a CPI average for each case. c) Determine the number of instructions that P2 can execute in the same time that P1 needs to execute 1.0E9 instructions. d) Use MIPS to compare the performance of the two processors. e) What's the best way to measure performance of a machine? Clock rate, MIPS, FLOPS, or average execution time? Why? f) A given program written in Python runs 15 seconds on a desktop computer. A new Python compiler is released and required only 0.6 as many instructions as the old compiler. Unfortunately, it increases the CPI by 1.1. How fast can we expect the application to run using the new compiler? Given the following design parameters to compare the performance of the processor P1 with 4 GHz and processor P2 with 3.4 GHz: (P1) (P2) CPI for ALU instructions CPI for Control instructions 1.5 2.5 2.2 CPI for Memory instructions 2.7 2.2 2.7 a) Which processor has the highest performance expressed in instructions per second? b) For a program with 20% ALU instructions, 10% control instructions and 70% memory instructions, which design will be faster? Give a CPI average for each case. c) Determine the number of instructions that P2 can execute in the same time that P1 needs to execute 1.0E9 instructions. d) Use MIPS to compare the performance of the two processors. e) What's the best way to measure performance of a machine? Clock rate, MIPS, FLOPS, or average execution time? Why? f) A given program written in Python runs 15 seconds on a desktop computer. A new Python compiler is released and required only 0.6 as many instructions as the old compiler. Unfortunately, it increases the CPI by 1.1. How fast can we expect the application to run using the new compiler?
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Answer rating: 100% (QA)
a To determine which processor has the highest performance expressed in instructions per second we need to calculate the instructions per second IPS for each processor IPS is calculated by multiplying ... View the full answer
Related Book For
Computer Organization And Design The Hardware Software Interface
ISBN: 9780123747501
4th Revised Edition
Authors: David A. Patterson, John L. Hennessy
Posted Date:
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