/usr/include/lam/mpi2cxx/intracomm_inln.h is in lam4-dev 7.1.4-3.1build1.
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//
// $Id: intracomm_inln.h,v 1.5 2003/10/22 23:35:36 adharurk Exp $
//
// Copyright (c) 2001-2003 The Trustees of Indiana University.
// All rights reserved.
// Copyright (c) 1998-2001 University of Notre Dame.
// All rights reserved.
// Copyright (c) 1994-1998 The Ohio State University.
// All rights reserved.
//
// This file is part of the LAM/MPI software package. For license
// information, see the LICENSE file in the top level directory of the
// LAM/MPI source distribution.
//
// $HEADER$
//
inline
_REAL_MPI_::Intracomm::Intracomm(const MPI_Comm& data) {
int flag;
if (MPI::Is_initialized() && (data != MPI_COMM_NULL)) {
(void)MPI_Comm_test_inter(data, &flag);
if (flag)
mpi_comm = MPI_COMM_NULL;
else
mpi_comm = data;
}
else {
mpi_comm = data;
}
}
//
// Collective Communication
//
inline void
_REAL_MPI_::Intracomm::Barrier() const
{
(void)MPI_Barrier(mpi_comm);
}
inline void
_REAL_MPI_::Intracomm::Bcast(void *buffer, int count,
const _REAL_MPI_::Datatype& datatype, int root) const
{
(void)MPI_Bcast(buffer, count, datatype, root, mpi_comm);
}
inline void
_REAL_MPI_::Intracomm::Gather(const void *sendbuf, int sendcount,
const _REAL_MPI_::Datatype & sendtype,
void *recvbuf, int recvcount,
const _REAL_MPI_::Datatype & recvtype, int root) const
{
(void)MPI_Gather((void *)sendbuf, sendcount, sendtype,
recvbuf, recvcount, recvtype, root, mpi_comm);
}
inline void
_REAL_MPI_::Intracomm::Gatherv(const void *sendbuf, int sendcount,
const _REAL_MPI_::Datatype & sendtype, void *recvbuf,
const int recvcounts[], const int displs[],
const _REAL_MPI_::Datatype & recvtype, int root) const
{
(void)MPI_Gatherv((void *)sendbuf, sendcount, sendtype,
recvbuf, (int *)recvcounts, (int *)displs,
recvtype, root, mpi_comm);
}
inline void
_REAL_MPI_::Intracomm::Scatter(const void *sendbuf, int sendcount,
const _REAL_MPI_::Datatype & sendtype,
void *recvbuf, int recvcount,
const _REAL_MPI_::Datatype & recvtype, int root) const
{
(void)MPI_Scatter((void *)sendbuf, sendcount, sendtype,
recvbuf, recvcount, recvtype, root, mpi_comm);
}
inline void
_REAL_MPI_::Intracomm::Scatterv(const void *sendbuf, const int sendcounts[],
const int displs[], const _REAL_MPI_::Datatype & sendtype,
void *recvbuf, int recvcount,
const _REAL_MPI_::Datatype & recvtype, int root) const
{
(void)MPI_Scatterv((void *)sendbuf, (int *) sendcounts,
(int *) displs, sendtype,
recvbuf, recvcount, recvtype,
root, mpi_comm);
}
inline void
_REAL_MPI_::Intracomm::Allgather(const void *sendbuf, int sendcount,
const _REAL_MPI_::Datatype & sendtype, void *recvbuf,
int recvcount, const _REAL_MPI_::Datatype & recvtype) const
{
(void)MPI_Allgather((void *) sendbuf, sendcount,
sendtype, recvbuf, recvcount,
recvtype, mpi_comm);
}
inline void
_REAL_MPI_::Intracomm::Allgatherv(const void *sendbuf, int sendcount,
const _REAL_MPI_::Datatype & sendtype, void *recvbuf,
const int recvcounts[], const int displs[],
const _REAL_MPI_::Datatype & recvtype) const
{
(void)MPI_Allgatherv((void *)sendbuf, sendcount,
sendtype, recvbuf,
(int *) recvcounts, (int *) displs,
recvtype, mpi_comm);
}
inline void
_REAL_MPI_::Intracomm::Alltoall(const void *sendbuf, int sendcount,
const _REAL_MPI_::Datatype & sendtype, void *recvbuf,
int recvcount, const _REAL_MPI_::Datatype & recvtype) const
{
(void)MPI_Alltoall((void *) sendbuf, sendcount,
sendtype, recvbuf, recvcount,
recvtype, mpi_comm);
}
inline void
_REAL_MPI_::Intracomm::Alltoallv(const void *sendbuf, const int sendcounts[],
const int sdispls[], const _REAL_MPI_::Datatype & sendtype,
void *recvbuf, const int recvcounts[],
const int rdispls[], const _REAL_MPI_::Datatype & recvtype) const
{
(void)MPI_Alltoallv((void *) sendbuf, (int *) sendcounts,
(int *) sdispls, sendtype, recvbuf,
(int *) recvcounts, (int *) rdispls,
recvtype,mpi_comm);
}
inline void
_REAL_MPI_::Intracomm::Alltoallw(const void *sendbuf, const int sendcounts[],
const int sdispls[], const Datatype sendtypes[],
void *recvbuf, const int recvcounts[],
const int rdispls[], const Datatype recvtypes[]) const
{
(void)MPI_Alltoallw((void *) sendbuf, (int *) sendcounts,
(int *) sdispls, (MPI_Datatype *) sendtypes, recvbuf,
(int *) recvcounts, (int *) rdispls,
(MPI_Datatype *) recvtypes, mpi_comm);
}
inline void
_REAL_MPI_::Intracomm::Reduce(const void *sendbuf, void *recvbuf, int count,
const _REAL_MPI_::Datatype & datatype, const _REAL_MPI_::Op& op,
int root) const
{
current_op = (_REAL_MPI_::Op*)&op;
(void)MPI_Reduce((void*)sendbuf, recvbuf, count, datatype, op, root, mpi_comm);
current_op = (Op*)0;
}
inline void
_REAL_MPI_::Intracomm::Allreduce(const void *sendbuf, void *recvbuf, int count,
const _REAL_MPI_::Datatype & datatype, const _REAL_MPI_::Op& op) const
{
current_op = (_REAL_MPI_::Op*)&op;
(void)MPI_Allreduce ((void*)sendbuf, recvbuf, count, datatype, op, mpi_comm);
current_op = (Op*)0;
}
inline void
_REAL_MPI_::Intracomm::Reduce_scatter(const void *sendbuf, void *recvbuf,
int recvcounts[],
const _REAL_MPI_::Datatype & datatype,
const _REAL_MPI_::Op& op) const
{
current_op = (_REAL_MPI_::Op*)&op;
(void)MPI_Reduce_scatter((void*)sendbuf, recvbuf, recvcounts,
datatype, op, mpi_comm);
current_op = (Op*)0;
}
inline void
_REAL_MPI_::Intracomm::Scan(const void *sendbuf, void *recvbuf, int count,
const _REAL_MPI_::Datatype & datatype, const _REAL_MPI_::Op& op) const
{
current_op = (_REAL_MPI_::Op*)&op;
(void)MPI_Scan((void *)sendbuf, recvbuf, count, datatype, op, mpi_comm);
current_op = (Op*)0;
}
inline void
_REAL_MPI_::Intracomm::Exscan(const void *sendbuf, void *recvbuf, int count,
const _REAL_MPI_::Datatype & datatype,
const _REAL_MPI_::Op& op) const
{
current_op = (_REAL_MPI_::Op*)&op;
(void)MPI_Exscan((void *)sendbuf, recvbuf, count, datatype, op, mpi_comm);
current_op = (Op*)0;
}
inline _REAL_MPI_::Intracomm
_REAL_MPI_::Intracomm::Dup() const
{
MPI_Comm newcomm;
(void)MPI_Comm_dup(mpi_comm, &newcomm);
return newcomm;
}
inline _REAL_MPI_::Intracomm&
_REAL_MPI_::Intracomm::Clone() const
{
MPI_Comm newcomm;
(void)MPI_Comm_dup(mpi_comm, &newcomm);
_REAL_MPI_::Intracomm* dup = new _REAL_MPI_::Intracomm(newcomm);
return *dup;
}
inline _REAL_MPI_::Intracomm
_REAL_MPI_::Intracomm::Create(const _REAL_MPI_::Group& group) const
{
MPI_Comm newcomm;
(void)MPI_Comm_create(mpi_comm, group, &newcomm);
return newcomm;
}
inline _REAL_MPI_::Intracomm
_REAL_MPI_::Intracomm::Split(int color, int key) const
{
MPI_Comm newcomm;
(void)MPI_Comm_split(mpi_comm, color, key, &newcomm);
return newcomm;
}
inline _REAL_MPI_::Intercomm
_REAL_MPI_::Intracomm::Create_intercomm(int local_leader,
const _REAL_MPI_::Comm& peer_comm,
int remote_leader, int tag) const
{
MPI_Comm newintercomm;
(void)MPI_Intercomm_create(mpi_comm, local_leader, peer_comm,
remote_leader, tag, &newintercomm);
return newintercomm;
}
inline _REAL_MPI_::Cartcomm
_REAL_MPI_::Intracomm::Create_cart(int ndims, const int dims[],
const bool periods[], bool reorder) const
{
int *int_periods = new int [ndims];
for (int i=0; i<ndims; i++)
int_periods[i] = (int) periods[i];
MPI_Comm newcomm;
(void)MPI_Cart_create(mpi_comm, ndims, (int*)dims,
int_periods, (int)reorder, &newcomm);
delete [] int_periods;
return newcomm;
}
inline _REAL_MPI_::Graphcomm
_REAL_MPI_::Intracomm::Create_graph(int nnodes, const int index[],
const int edges[], bool reorder) const
{
MPI_Comm newcomm;
(void)MPI_Graph_create(mpi_comm, nnodes, (int*)index,
(int*)edges, (int)reorder, &newcomm);
return newcomm;
}
//
// Process Creation and Management
//
inline _REAL_MPI_::Intercomm
_REAL_MPI_::Intracomm::Accept(const char* port_name,
const _REAL_MPI_::Info& info,
int root) const
{
MPI_Comm newcomm;
(void) MPI_Comm_accept((char *) port_name, info, root, mpi_comm,
&newcomm);
return newcomm;
}
inline _REAL_MPI_::Intercomm
_REAL_MPI_::Intracomm::Connect(const char* port_name,
const _REAL_MPI_::Info& info,
int root) const
{
MPI_Comm newcomm;
(void) MPI_Comm_connect((char *) port_name, info, root, mpi_comm,
&newcomm);
return newcomm;
}
inline _REAL_MPI_::Intercomm
_REAL_MPI_::Intracomm::Spawn(const char* command, const char* argv[],
int maxprocs, const _REAL_MPI_::Info& info,
int root) const
{
MPI_Comm newcomm;
(void) MPI_Comm_spawn((char *) command, (char **) argv, maxprocs,
info, root, mpi_comm, &newcomm,
(int *)MPI_ERRCODES_IGNORE);
return newcomm;
}
inline _REAL_MPI_::Intercomm
_REAL_MPI_::Intracomm::Spawn(const char* command, const char* argv[],
int maxprocs, const _REAL_MPI_::Info& info,
int root, int array_of_errcodes[]) const
{
MPI_Comm newcomm;
(void) MPI_Comm_spawn((char *) command, (char **) argv, maxprocs,
info, root, mpi_comm, &newcomm,
array_of_errcodes);
return newcomm;
}
inline _REAL_MPI_::Intercomm
_REAL_MPI_::Intracomm::Spawn_multiple(int count,
const char* array_of_commands[],
const char** array_of_argv[],
const int array_of_maxprocs[],
const Info array_of_info[], int root)
{
MPI_Comm newcomm;
MPI_Comm_spawn_multiple(count, (char **) array_of_commands,
(char ***) array_of_argv, (int *) array_of_maxprocs,
(MPI_Info *) array_of_info, root,
mpi_comm, &newcomm, (int *)MPI_ERRCODES_IGNORE);
return newcomm;
}
inline _REAL_MPI_::Intercomm
_REAL_MPI_::Intracomm::Spawn_multiple(int count,
const char* array_of_commands[],
const char** array_of_argv[],
const int array_of_maxprocs[],
const Info array_of_info[], int root,
int array_of_errcodes[])
{
MPI_Comm newcomm;
MPI_Comm_spawn_multiple(count, (char **) array_of_commands,
(char ***) array_of_argv, (int *) array_of_maxprocs,
(MPI_Info *) array_of_info, root,
mpi_comm, &newcomm, array_of_errcodes);
return newcomm;
}
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