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CS61V

CS61V. MPI. #include <stdio.h> #include "mpi.h" int main( argc, argv ) int argc; char **argv; { int rank, value; MPI_Init ( &argc, &argv ); MPI_Comm_rank ( MPI_COMM_WORLD, &rank ); do { if (rank == 0) scanf( "%d", &value );

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CS61V

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  1. CS61V MPI

  2. #include <stdio.h> #include "mpi.h" int main( argc, argv ) int argc; char **argv; { int rank, value; MPI_Init( &argc, &argv ); MPI_Comm_rank( MPI_COMM_WORLD, &rank ); do { if (rank == 0) scanf( "%d", &value ); MPI_Bcast( &value, 1, MPI_INT, 0, MPI_COMM_WORLD ); printf( "Process %d got %d\n", rank, value ); } while (value >= 0); MPI_Finalize( ); return 0; }

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