Question: Another pitfall, related to the execution of programs in multiprocessor systems, is expecting improvement in performance by improving only the execution time of part of

Another pitfall, related to the execution of programs in multiprocessor systems, is expecting improvement in performance by improving only the execution time of part of the routines. The following table shows the execution time of five routines of a program running on different numbers of processors. a. b. No. Processors 4 32 Routine A (ms) 12 2 Routine B (ms) 45 7 Routine C (ms) 6 1 Routine D (ms) 36 6

Find the total execution time and by how much it is reduced if the time of routines A, C, and E is improved by 15%.

a. b. No. Processors 4 32 Routine A (ms) 12 2 Routine B (ms) 45 7 Routine C (ms) 6 1 Routine D (ms) 36 6 Routine E (ms) 3 2

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