Write an MPI program to calculate the communication time between two processes.   Given an array of random integers, Write MPI_Send and MPI_Recv to send an entire array back and forth between process 0 and process 1 (two processes) for 1000 times. After one process receives the array, it sends this array back to the other process. The array is bounced back and forth between the two processes like a ping-pong ball for 1000 times. Use MPI_Wtime() to record the total time for arrays of 1 million integers, 2 million integers, 4 million integers, and 8 million integers.

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
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Write an MPI program to calculate the communication time between two processes.

 

Given an array of random integers, Write MPI_Send and MPI_Recv to send an entire array back and forth between process 0 and process 1 (two processes) for 1000 times. After one process receives the array, it sends this array back to the other process. The array is bounced back and forth between the two processes like a ping-pong ball for 1000 times. Use MPI_Wtime() to record the total time for arrays of 1 million integers, 2 million integers, 4 million integers, and 8 million integers.

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