Problem 1 Write either a single program or two separate C C programs that use(s) MPI blocking and non blocking commands MPI Send, MPI Rcvd, MPI Isend and MPI Ircvd to exchange one float value between process with rank 0 and process with rank 1 Calculate the execution time using MPI Wtime to compute the execution time and write it down in the table below as follows Execution Time A single transmission using blocking communication A single transmission using non blocking communication Two transmissions (round trip) using blocking communication Two transmissions (round trip) using non blocking communication Problem 2 Modify the ring example given in class to calculate the execution time using MPI Wtime of the transmission of the value 7 from process with rank 0 to process with rank 1, etc until the value is received back at the process with rank 0 Use only blocking communication Launch the execution of the program with a varied number of parallel processes (mpirun n 10 a out to launch the executable a out for 10 processes) and write down the execution time of the ring example as follows Execution Time Ring with 4 nodes Ring with 8 nodes Ring with 10 nodes Ring with 12 nodes

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Question: Problem 1. Write either a single program or two separate C/C++ programs that use(s) MPI blocking and non-blocking commands MPI_Send, MPI_Rcvd, MPI_Isend and MPI_Ircvd to

Problem 1. Write either a single program or two separate C/C++ programs that use(s) MPI blocking and non-blocking commands MPI_Send, MPI_Rcvd, MPI_Isend and MPI_Ircvd to exchange one float value between process with rank 0 and process with rank 1. Calculate the execution time using MPI_Wtime to compute the execution time and write it down in the table below as follows:

	Execution Time
A single transmission using blocking communication
A single transmission using non blocking communication
Two transmissions (round trip) using blocking communication
Two transmissions (round trip) using non blocking communication

Problem 2. Modify the ring example given in class to calculate the execution time using MPI_Wtime of the transmission of the value 7 from process with rank 0 to process with rank 1, etc. until the value is received back at the process with rank 0. Use only blocking communication. Launch the execution of the program with a varied number of parallel processes (mpirun -n 10 ./a.out to launch the executable a.out for 10 processes) and write down the execution time of the ring example as follows:

	Execution Time
Ring with 4 nodes
Ring with 8 nodes
Ring with 10 nodes
Ring with 12 nodes

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