Question
1 - Suppose 95% of a program can be parallelized and run on multiple CPUs instead of one CPU and in so doing, achieve a
1 - Suppose 95% of a program can be parallelized and run on multiple CPUs instead of one CPU and in so doing, achieve a system efficiency of 80%. Using Amdahl’s law, determine the number of processors that are being used in this case.
2 - Given a speed up of 20 on 32 processors, what is the percentage of the program
that can be parallelized? Use Amdahl’s law.
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Computer Organization and Design The Hardware Software Interface
Authors: David A. Patterson, John L. Hennessy
5th edition
124077269, 978-0124077263
