74 строки
2.3 KiB
C
74 строки
2.3 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2015 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2012 Oak Ridge National Labs. All rights reserved.
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* Copyright (c) 2015 Research Organization for Information Science
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* and Technology (RIST). All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include "coll_basic.h"
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#include "mpi.h"
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#include "ompi/datatype/ompi_datatype.h"
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#include "ompi/constants.h"
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#include "ompi/mca/coll/coll.h"
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#include "ompi/mca/coll/base/coll_tags.h"
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#include "coll_basic.h"
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/*
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* allgatherv_inter
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*
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* Function: - allgatherv using other MPI collectives
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* Accepts: - same as MPI_Allgatherv()
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* Returns: - MPI_SUCCESS or error code
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*/
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int
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mca_coll_basic_allgatherv_inter(const void *sbuf, int scount,
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struct ompi_datatype_t *sdtype,
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void *rbuf, const int *rcounts, const int *disps,
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struct ompi_datatype_t *rdtype,
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struct ompi_communicator_t *comm,
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mca_coll_base_module_t *module)
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{
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int rsize, err, i;
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int *scounts, *sdisps;
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rsize = ompi_comm_remote_size(comm);
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scounts = (int *) malloc(2 * rsize * sizeof(int));
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sdisps = scounts + rsize;
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if (NULL == scounts) {
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return OMPI_ERR_OUT_OF_RESOURCE;
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}
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for (i = 0; i < rsize; i++) {
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scounts[i] = scount;
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sdisps[i] = 0;
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}
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err = comm->c_coll.coll_alltoallv(sbuf, scounts, sdisps, sdtype,
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rbuf, rcounts, disps, rdtype, comm,
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comm->c_coll.coll_alltoallv_module);
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if (NULL != scounts) {
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free(scounts);
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}
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return err;
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}
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