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#include "mpi.h" |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <dirent.h> |
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int main(int argc, char *argv[]){ |
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int myid,numprocs,i,rank; |
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extern char **environ; |
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char *newargv[] ={ |
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"/bin/echo", |
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"Hey this now spews on multiple machines", |
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NULL |
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}; |
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MPI_Init(&argc,&argv); |
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MPI_Comm_size(MPI_COMM_WORLD,&numprocs); |
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MPI_Comm_rank(MPI_COMM_WORLD,&myid); |
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for (rank = 0;rank<numprocs;rank++){ |
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if (rank == myid){ |
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execve(argv[0],newargv,environ); |
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} |
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} |
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MPI_Finalize(); |
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} |