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- for (i = 0; i < num_trials; i++) {
- MPI_Barrier(MPI_COMM_WORLD);
- total_my_bcast_time -= MPI_Wtime();
- my_bcast(data, num_elements, MPI_INT, 0, MPI_COMM_WORLD);
- // Synchronize again before obtaining final time
- MPI_Barrier(MPI_COMM_WORLD);
- total_my_bcast_time += MPI_Wtime();
- // Time MPI_Bcast
- MPI_Barrier(MPI_COMM_WORLD);
- total_mpi_bcast_time -= MPI_Wtime();
- MPI_Bcast(data, num_elements, MPI_INT, 0, MPI_COMM_WORLD);
- MPI_Barrier(MPI_COMM_WORLD);
- total_mpi_bcast_time += MPI_Wtime();
- }
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