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  1. #include <iostream.h>
  2. #include <mpi.h>
  3.  
  4. int main(int argc, char *argv[]) {
  5. 	int i;
  6. 	int nitems=10;
  7. 	int mynode, totalnodes;
  8. 	MPI_Status status;
  9. 	double *array;
  10.  
  11. 	MPI_Init(&argc, &argv);
  12. 	MPI_Comm_size(MPI_COMM_WORLD, &totalnodes);
  13. 	MPI_Comm_rank(MPI_COMM_WORLD, &mynode);
  14.  
  15. 	array = new double[nitems];
  16.  
  17. 	if(mynode==0){
  18. 		for(i=0; i<nitems; i++){
  19. 			array[i] = (double) i;
  20.  
  21. 		}
  22. 	}
  23.  
  24. 	if(mynode==0)
  25.  
  26. 		for(i=1; i<totalnodes; i++){
  27. 			MPI_Send(array, nitems, MPI_DOUBLE, i, 1, MPI_COMM_WORLD);
  28.  
  29. 		}
  30. 	}
  31. 	else{
  32. 		MPI_Recv(array, nitems, MPI_DOUBLE, 0, 1, MPI_COMM_WORLD, &status)
  33. 	}
  34.  
  35. 	for(i=0; i<nitems; i++){
  36. 		cout << "Processor" << mynode;
  37. 		cout << ": array[" << i << "] = " << array[i] << endl;
  38. 	}
  39.  
  40. 	MPI_Finalize();
  41. }
  42.  
  43.  
Success #stdin #stdout #stderr 0.28s 40920KB
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stdin
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2 heyy
stdout
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Standard output is empty
stderr
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Error: unexpected symbol in "int main"
Execution halted
https://ideone.com/WC9hyk
language:
R (R 3.5.2)
created:
3 hours ago
visibility:
public

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