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25 lines
450 B
25 lines
450 B
4 years ago
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#include <stdio.h>
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#include "mpi.h"
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main(int argc, char** argv)
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{
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int my_rank;
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int size;
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int namelen;
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char proc_name[MPI_MAX_PROCESSOR_NAME];
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MPI_Init(&argc, &argv);
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MPI_Comm_rank(MPI_COMM_WORLD, &my_rank);
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MPI_Comm_size(MPI_COMM_WORLD, &size);
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MPI_Get_processor_name(proc_name, &namelen);
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if (my_rank == 2)
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printf("Hello – I am process 2\n");
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else
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printf("Hello from process %d of %d on %s\n", my_rank, size, proc_name);
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MPI_Finalize();
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}
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