root/ompi/mca/coll/self/coll_self_allgather.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. mca_coll_self_allgather_intra

   1 /*
   2  * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
   3  *                         University Research and Technology
   4  *                         Corporation.  All rights reserved.
   5  * Copyright (c) 2004-2005 The University of Tennessee and The University
   6  *                         of Tennessee Research Foundation.  All rights
   7  *                         reserved.
   8  * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
   9  *                         University of Stuttgart.  All rights reserved.
  10  * Copyright (c) 2004-2005 The Regents of the University of California.
  11  *                         All rights reserved.
  12  * Copyright (c) 2015      Research Organization for Information Science
  13  *                         and Technology (RIST). All rights reserved.
  14  * $COPYRIGHT$
  15  *
  16  * Additional copyrights may follow
  17  *
  18  * $HEADER$
  19  */
  20 
  21 #include "ompi_config.h"
  22 
  23 #include "ompi/constants.h"
  24 #include "ompi/datatype/ompi_datatype.h"
  25 #include "coll_self.h"
  26 
  27 
  28 /*
  29  *      allgather_intra
  30  *
  31  *      Function:       - allgather
  32  *      Accepts:        - same as MPI_Allgather()
  33  *      Returns:        - MPI_SUCCESS, or error code
  34  */
  35 int mca_coll_self_allgather_intra(const void *sbuf, int scount,
  36                                   struct ompi_datatype_t *sdtype, void *rbuf,
  37                                   int rcount, struct ompi_datatype_t *rdtype,
  38                                   struct ompi_communicator_t *comm,
  39                                   mca_coll_base_module_t *module)
  40 {
  41     if (MPI_IN_PLACE == sbuf) {
  42         return MPI_SUCCESS;
  43     } else {
  44         return ompi_datatype_sndrcv(sbuf, scount, sdtype,
  45                                rbuf, rcount, rdtype);
  46     }
  47 }

/* [<][>][^][v][top][bottom][index][help] */