Question: A program is designed which has 5 0 % of its execution time must run in a serial fashion. The other 5 0 % can

A program is designed which has

50 %

of its execution time must run in a serial fashion. The other

50 %

can be spread equally on

3

processors. However, the cost of the system was high. A lower cost system was designed which contains

4

processors. A developer redesigned the program to run on the new system and achieved the same execution time. What is the fraction of the program enhanced in the new system?

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