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  1. #include <stdio.h>
  2. #include "mpi.h"
  3.  
  4. int main(int argc, char *argv[])
  5. {
  6.     int size, rank, i;
  7.     MPI_Init(&argc, &argv);
  8.     MPI_Comm_size(MPI_COMM_WORLD,&size);
  9.     MPI_Comm_rank(MPI_COMM_WORLD,&rank);
  10.     if(rank ==0)
  11.     {
  12.         printf("Number of processes =%d\n",size);
  13.     }
  14.     printf("My number in MPI_COMM_WORLD =%d\n",rank);
  15.     MPI_Finalize();
  16.     return 0;
  17. }
Success #stdin #stdout #stderr 0.25s 40676KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Error in library(Rmpi) : there is no package called ‘Rmpi’
Execution halted
https://ideone.com/Vs0vL5
language:
R (R 3.5.2)
created:
8 days ago
visibility:
public

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