Question: A parallel application running on 5 identical machines, has a 10% sequential part. What is the speedup relative to a sequential execution on one of

A parallel application running on 5 identical machines, has a 10% sequential part. What is the speedup relative to a sequential execution on one of the machines? If we would like to double that speedup, how many CPU would be required? Can I use here Gustafson-Barsis rebuttal law ? When we have to use Amdahl's law and when we have to use Gustafson-Barsis rebuttal law

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