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

How much is the total time reduced if routine D is improved by 10%?

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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