main
test-branch
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Last change
on this file since beab7f2 was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago |
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Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.
git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
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Property mode
set to
100644
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File size:
603 bytes
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| 1 | /* This program illustrates assertion checking related
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| 2 | * to message data.
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| 3 | */
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| 4 | #include <stdio.h>
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| 5 | #include <mpi.h>
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| 6 | #include <assert.h>
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| 7 |
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| 8 | int main( int argc, char **argv) {
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| 9 | int rank, nprocs;
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| 10 |
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| 11 | MPI_Init(&argc, &argv);
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| 12 | MPI_Comm_rank(MPI_COMM_WORLD, &rank);
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| 13 | MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
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| 14 | if (rank == 0) {
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| 15 | MPI_Status status;
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| 16 |
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| 17 | for (int i = 1; i < nprocs; i++)
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| 18 | MPI_Recv(NULL, 0, MPI_INT, MPI_ANY_SOURCE, 0, MPI_COMM_WORLD,
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| 19 | &status);
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| 20 | assert(status.MPI_SOURCE >= 0);
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| 21 | }
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| 22 | else
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| 23 | MPI_Send(NULL, 0, MPI_INT, 0, 0, MPI_COMM_WORLD);
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| 24 |
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| 25 | MPI_Finalize();
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| 26 | return 0;
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| 27 | }
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