Question: [10/20/20/20/25] 1.10 When parallelizing an application, the ideal speedup is speeding up by the number of processors. This is limited by two things: percentage of

 [10/20/20/20/25] 1.10 When parallelizing an application, the ideal speedup is speeding

[10/20/20/20/25] 1.10 When parallelizing an application, the ideal speedup is speeding up by the number of processors. This is limited by two things: percentage of the application that can be parallelized and the cost of communication. 1.16 Amdahl's Law takes into account the former but not the latter a. [ 101 l. 10 What is the speedup with N processors if 80% of the application is parallelizable, ignoring the cost of communication? b. [20] 1.10> What is the speedup with eight processors if, for every processor added, the communication overhead is 0.5% of the original execution time. c. [20] 1.10 What is the speedup with eight processors if, for every time the number of processors is doubled, the communication overhead is increased by 0.5% of the original execution time? d. [20] 1.10> What is the speedup with N processors if, for every time the num- ber of processors is doubled, the communication overhead is increased by 0.5% of the original execution time? e. [25]

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