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/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2017 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2012 Oak Ridge National Labs. All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "coll_basic.h"
#include "mpi.h"
#include "ompi/datatype/ompi_datatype.h"
#include "ompi/constants.h"
#include "ompi/mca/coll/coll.h"
#include "ompi/mca/coll/base/coll_tags.h"
#include "coll_basic.h"
/*
* allgatherv_inter
*
* Function: - allgatherv using other MPI collectives
* Accepts: - same as MPI_Allgatherv()
* Returns: - MPI_SUCCESS or error code
*/
int
mca_coll_basic_allgatherv_inter(const void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void *rbuf, const int *rcounts, const int *disps,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm,
mca_coll_base_module_t *module)
{
int rsize, err, i;
int *scounts, *sdisps;
rsize = ompi_comm_remote_size(comm);
scounts = (int *) malloc(2 * rsize * sizeof(int));
sdisps = scounts + rsize;
if (NULL == scounts) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
for (i = 0; i < rsize; i++) {
scounts[i] = scount;
sdisps[i] = 0;
}
err = comm->c_coll->coll_alltoallv(sbuf, scounts, sdisps, sdtype,
rbuf, rcounts, disps, rdtype, comm,
comm->c_coll->coll_alltoallv_module);
if (NULL != scounts) {
free(scounts);
}
return err;
}
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