benchmark program to evaluate the performance of a processor spends 80% of its time on floating-point commands and 20% on non-floating point commands. A design team wants to obtain an overall speedup of 40% over the existing run time of this benchmark program by speeding up ONLY the non-floating point commands. What should be the ratio of the non-floating point commands new runtime to that of its old runtime? Select the best answer. This is a trick question! In this scenario, it is impossible to speed up only the non-floating point commands to obtain an overall 40% speedup! 2

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter6: System Integration And Performance
Section: Chapter Questions
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A benchmark program to evaluate the performance of a processor spends 80% of its time on floating-point commands and 20% on non-floating point commands.

A design team wants to obtain an overall speedup of 40% over the existing run time of this benchmark program by speeding up ONLY the non-floating point commands.

What should be the ratio of the non-floating point commands new runtime to that of its old runtime?

Select the best answer.

This is a trick question! In this scenario, it is impossible to speed up only the non-floating point commands to obtain an overall 40% speedup!
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