root/ompi/mpi/fortran/mpif-h/neighbor_alltoallw_f.c

DEFINITIONS

1. ompi_neighbor_alltoallw_f

   1 /* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
   2 /*
   3  * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
   4  *                         University Research and Technology
   5  *                         Corporation.  All rights reserved.
   6  * Copyright (c) 2004-2005 The University of Tennessee and The University
   7  *                         of Tennessee Research Foundation.  All rights
   8  *                         reserved.
   9  * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
  10  *                         University of Stuttgart.  All rights reserved.
  11  * Copyright (c) 2004-2005 The Regents of the University of California.
  12  *                         All rights reserved.
  13  * Copyright (c) 2011-2012 Cisco Systems, Inc.  All rights reserved.
  14  * Copyright (c) 2013      Los Alamos National Security, LLC. All rights
  15  *                         reserved.
  16  * Copyright (c) 2015      Research Organization for Information Science
  17  *                         and Technology (RIST). All rights reserved.
  18  * $COPYRIGHT$
  19  *
  20  * Additional copyrights may follow
  21  *
  22  * $HEADER$
  23  */
  24 
  25 #include "ompi_config.h"
  26 
  27 #include "ompi/mpi/fortran/mpif-h/bindings.h"
  28 #include "ompi/mpi/fortran/base/constants.h"
  29 
  30 #if OMPI_BUILD_MPI_PROFILING
  31 #if OPAL_HAVE_WEAK_SYMBOLS
  32 #pragma weak PMPI_NEIGHBOR_ALLTOALLW = ompi_neighbor_alltoallw_f
  33 #pragma weak pmpi_neighbor_alltoallw = ompi_neighbor_alltoallw_f
  34 #pragma weak pmpi_neighbor_alltoallw_ = ompi_neighbor_alltoallw_f
  35 #pragma weak pmpi_neighbor_alltoallw__ = ompi_neighbor_alltoallw_f
  36 
  37 #pragma weak PMPI_Neighbor_alltoallw_f = ompi_neighbor_alltoallw_f
  38 #pragma weak PMPI_Neighbor_alltoallw_f08 = ompi_neighbor_alltoallw_f
  39 #else
  40 OMPI_GENERATE_F77_BINDINGS (PMPI_NEIGHBOR_ALLTOALLW,
  41                            pmpi_neighbor_alltoallw,
  42                            pmpi_neighbor_alltoallw_,
  43                            pmpi_neighbor_alltoallw__,
  44                            pompi_neighbor_alltoallw_f,
  45                            (char *sendbuf, MPI_Fint *sendcounts, MPI_Aint *sdispls, MPI_Fint *sendtypes, char *recvbuf, MPI_Fint *recvcounts, MPI_Aint *rdispls, MPI_Fint *recvtypes, MPI_Fint *comm, MPI_Fint *ierr),
  46                            (sendbuf, sendcounts, sdispls, sendtypes, recvbuf, recvcounts, rdispls, recvtypes, comm, ierr) )
  47 #endif
  48 #endif
  49 
  50 #if OPAL_HAVE_WEAK_SYMBOLS
  51 #pragma weak MPI_NEIGHBOR_ALLTOALLW = ompi_neighbor_alltoallw_f
  52 #pragma weak mpi_neighbor_alltoallw = ompi_neighbor_alltoallw_f
  53 #pragma weak mpi_neighbor_alltoallw_ = ompi_neighbor_alltoallw_f
  54 #pragma weak mpi_neighbor_alltoallw__ = ompi_neighbor_alltoallw_f
  55 
  56 #pragma weak MPI_Neighbor_alltoallw_f = ompi_neighbor_alltoallw_f
  57 #pragma weak MPI_Neighbor_alltoallw_f08 = ompi_neighbor_alltoallw_f
  58 #else
  59 #if ! OMPI_BUILD_MPI_PROFILING
  60 OMPI_GENERATE_F77_BINDINGS (MPI_NEIGHBOR_ALLTOALLW,
  61                            mpi_neighbor_alltoallw,
  62                            mpi_neighbor_alltoallw_,
  63                            mpi_neighbor_alltoallw__,
  64                            ompi_neighbor_alltoallw_f,
  65                            (char *sendbuf, MPI_Fint *sendcounts, MPI_Aint *sdispls, MPI_Fint *sendtypes, char *recvbuf, MPI_Fint *recvcounts, MPI_Aint *rdispls, MPI_Fint *recvtypes, MPI_Fint *comm, MPI_Fint *ierr),
  66                            (sendbuf, sendcounts, sdispls, sendtypes, recvbuf, recvcounts, rdispls, recvtypes, comm, ierr) )
  67 #else
  68 #define ompi_neighbor_alltoallw_f pompi_neighbor_alltoallw_f
  69 #endif
  70 #endif
  71 
  72 
  73 void ompi_neighbor_alltoallw_f(char *sendbuf, MPI_Fint *sendcounts,
  74                                MPI_Aint *sdispls, MPI_Fint *sendtypes,
  75                                char *recvbuf, MPI_Fint *recvcounts,
  76                                MPI_Aint *rdispls, MPI_Fint *recvtypes,
  77                                MPI_Fint *comm, MPI_Fint *ierr)
  78 {
  79     MPI_Comm c_comm;
  80     MPI_Datatype *c_sendtypes, *c_recvtypes;
  81     int size, c_ierr;
  82     OMPI_ARRAY_NAME_DECL(sendcounts);
  83     OMPI_ARRAY_NAME_DECL(recvcounts);
  84 
  85     c_comm = PMPI_Comm_f2c(*comm);
  86     PMPI_Comm_size(c_comm, &size);
  87 
  88     c_sendtypes = (MPI_Datatype *) malloc(size * sizeof(MPI_Datatype));
  89     c_recvtypes = (MPI_Datatype *) malloc(size * sizeof(MPI_Datatype));
  90 
  91     OMPI_ARRAY_FINT_2_INT(sendcounts, size);
  92     OMPI_ARRAY_FINT_2_INT(recvcounts, size);
  93 
  94     while (size > 0) {
  95         c_sendtypes[size - 1] = PMPI_Type_f2c(sendtypes[size - 1]);
  96         c_recvtypes[size - 1] = PMPI_Type_f2c(recvtypes[size - 1]);
  97         --size;
  98     }
  99 
 100     /* Alltoallw does not support MPI_IN_PLACE */
 101     sendbuf = (char *) OMPI_F2C_BOTTOM(sendbuf);
 102     recvbuf = (char *) OMPI_F2C_BOTTOM(recvbuf);
 103 
 104     c_ierr = PMPI_Neighbor_alltoallw(sendbuf,
 105                                     OMPI_ARRAY_NAME_CONVERT(sendcounts),
 106                                     sdispls,
 107                                     c_sendtypes,
 108                                     recvbuf,
 109                                     OMPI_ARRAY_NAME_CONVERT(recvcounts),
 110                                     rdispls,
 111                                     c_recvtypes, c_comm);
 112     if (NULL != ierr) *ierr = OMPI_INT_2_FINT(c_ierr);
 113 
 114     OMPI_ARRAY_FINT_2_INT_CLEANUP(sendcounts);
 115     OMPI_ARRAY_FINT_2_INT_CLEANUP(recvcounts);
 116     free(c_sendtypes);
 117     free(c_recvtypes);
 118 }