MPI question
1. How can the process index within an MPI program be determinedduring execution?
2. Given a program which is 20% serial, how many processors willit likely take to achieve a speedup of 4?
3. According to the Gustafson-Barsis’s Law, given 128 processorsand a code with 10% serial execution, what speedup might beachieved?
4. What does a rising “experimentally determined serialfraction” tend to indicate?
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