hw6 - 2 Write a version using send/recv or send/irecv Time...

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Homework 6 -- Due Wednesday, Feb. 16, 2011 Write and run an MPI program to compute the following recurrence: for (int i = 0; i<n; i++) { t = t + a[i]; } print(t); Write two versions of the program: 1. Write a version using MPI collective communication.
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Unformatted text preview: 2. Write a version using send/recv or send/irecv. Time the two versions using arrays of size 10000, 100000 and 1000000. Do several timings. Turn in program listings, output, and times for the six runs....
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