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Gamdahl's law is as applicable to software as it is to hardware. an oft-cited programming truism states that a program spends 90% of its time executing 10% of its code. thus, tuning a small amount of program code can often time have an enormous effect on the overall performance of a software product. determine the overall system speedup if: a. 90% of a program is made to run 10 times as fast (900% faster). b. 80% of a program is made to run 20% faster.

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