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Quiz 1 answer - enhancement unit that will allow 30 of the...

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EE504 Quiz 1 Spring 2008 A CPU designer has a great idea to improve the performance of a program: he will design a  new floating point enhancement unit that will allow 20% of the program to be enhanced five  times (i.e. five times as fast as before.)  In addition, he will also design a new graphics 
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Unformatted text preview: enhancement unit that will allow 30% of the program to be enhanced 3 times. Expand Amdahl’s equation and compute the overall speedup of the program when both enhancements are incorporated into the new processor. ANS: 1/(1-0.2-0.3+(0.2/5)+(0.3/3))=1.5625...
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