main
test-branch
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| 1 | #include<mpi.h>
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| 2 | #include<assert.h>
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| 3 |
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| 4 | void main() {
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| 5 | int argc;
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| 6 | char **argv;
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| 7 | int x, y, myrank;
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| 8 |
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| 9 | MPI_Init(&argc, &argv);
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| 10 | MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
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| 11 | if (myrank==0) {
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| 12 | x = 10;
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| 13 | MPI_Send(&x, 1, MPI_INT, 1, 0, MPI_COMM_WORLD);
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| 14 | MPI_Recv(&y, 1, MPI_INT, 1, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
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| 15 | assert(y==20);
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| 16 | } else if (myrank==1) {
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| 17 | x = 20;
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| 18 | MPI_Send(&x, 1, MPI_INT, 0, 0, MPI_COMM_WORLD);
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| 19 | MPI_Recv(&y, 1, MPI_INT, 0, 0, MPI_COMM_WORLD, MPI_STATUS_IGNORE);
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| 20 | assert(y==10);
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| 21 | }
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| 22 | MPI_Finalize();
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| 23 | }
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