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-/* StarPU --- Runtime system for heterogeneous multicore architectures.
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- *
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- * Copyright (C) 2009, 2010, 2014-2015 Université de Bordeaux
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- * Copyright (C) 2010, 2011, 2012, 2013, 2016 CNRS
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- *
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- * StarPU is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU Lesser General Public License as published by
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- * the Free Software Foundation; either version 2.1 of the License, or (at
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- * your option) any later version.
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- *
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- * StarPU is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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- *
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- * See the GNU Lesser General Public License in COPYING.LGPL for more details.
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- */
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-
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-#include <starpu_mpi.h>
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-#include "helper.h"
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-
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-#define SIZE 100
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-
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-int main(int argc, char **argv)
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-{
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- int ret, rank, size;
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- float *tab;
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- starpu_data_handle_t tab_handle;
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-
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- MPI_Init(&argc, &argv);
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- starpu_mpi_comm_rank(MPI_COMM_WORLD, &rank);
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- starpu_mpi_comm_size(MPI_COMM_WORLD, &size);
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-
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- ret = starpu_init(NULL);
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- STARPU_CHECK_RETURN_VALUE(ret, "starpu_init");
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- ret = starpu_mpi_init(NULL, NULL, 0);
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- STARPU_CHECK_RETURN_VALUE(ret, "starpu_mpi_init");
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-
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- if (size<2)
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- {
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- if (rank == 0)
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- FPRINTF(stderr, "We need at least 2 processes.\n");
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-
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- starpu_mpi_shutdown();
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- starpu_shutdown();
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- MPI_Finalize();
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- return STARPU_TEST_SKIPPED;
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- }
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-
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- if (rank == 0)
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- {
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- tab = calloc(SIZE, sizeof(float));
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- starpu_vector_data_register(&tab_handle, STARPU_MAIN_RAM, (uintptr_t)tab, SIZE, sizeof(float));
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- starpu_mpi_send(tab_handle, 1, 12, MPI_COMM_WORLD);
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- starpu_data_unregister(tab_handle);
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- free(tab);
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- }
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- else if (rank == 1)
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- {
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- MPI_Status status;
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-
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- tab = calloc(SIZE-2, sizeof(float));
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- starpu_vector_data_register(&tab_handle, STARPU_MAIN_RAM, (uintptr_t)tab, SIZE-2, sizeof(float));
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- starpu_mpi_recv(tab_handle, 0, 12, MPI_COMM_WORLD, &status);
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- starpu_data_unregister(tab_handle);
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- free(tab);
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- }
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-
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- starpu_mpi_shutdown();
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- starpu_shutdown();
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-
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- MPI_Finalize();
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-
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- return 0;
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-}
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