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openmpi/src/mca/coll/self/coll_self_gatherv.c
Jeff Squyres 01c74ddded Create trivial "self" collective module to make logic in other coll
modules [slightly] simpler.

This commit was SVN r4245.
2005-01-30 00:30:31 +00:00

38 строки
1.1 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
* All rights reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "include/constants.h"
#include "datatype/datatype.h"
#include "coll_self.h"
/*
* gatherv_intra
*
* Function: - gatherv
* Accepts: - same arguments as MPI_Gatherv()
* Returns: - MPI_SUCCESS or error code
*/
int mca_coll_self_gatherv_intra(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void *rbuf, int *rcounts, int *disps,
struct ompi_datatype_t *rdtype, int root,
struct ompi_communicator_t *comm)
{
return ompi_ddt_sndrcv(sbuf, scount, sdtype,
((char *) rbuf) + disps[0], rcounts[0], rdtype);
}