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// -*- c++ -*-
//
// Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
// University Research and Technology
// Corporation. All rights reserved.
// Copyright (c) 2004-2005 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) 2006 Cisco Systems, Inc. All rights reserved.
// Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved.
// $COPYRIGHT$
//
// Additional copyrights may follow
//
// $HEADER$
//
inline
MPI::Intracomm::Intracomm(MPI_Comm data) {
int flag = 0;
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;
}
}
inline void
MPI::Intracomm::Scan(const void *sendbuf, void *recvbuf, int count,
const MPI::Datatype & datatype, const MPI::Op& op) const
{
(void)MPI_Scan(const_cast<void *>(sendbuf), recvbuf, count, datatype, op, mpi_comm);
}
inline void
MPI::Intracomm::Exscan(const void *sendbuf, void *recvbuf, int count,
const MPI::Datatype & datatype,
const MPI::Op& op) const
{
(void)MPI_Exscan(const_cast<void *>(sendbuf), recvbuf, count, datatype, op, mpi_comm);
}
inline MPI::Intracomm
MPI::Intracomm::Dup() const
{
MPI_Comm newcomm;
(void)MPI_Comm_dup(mpi_comm, &newcomm);
return newcomm;
}
inline MPI::Intracomm&
MPI::Intracomm::Clone() const
{
MPI_Comm newcomm;
(void)MPI_Comm_dup(mpi_comm, &newcomm);
MPI::Intracomm* dup = new MPI::Intracomm(newcomm);
return *dup;
}
inline MPI::Intracomm
MPI::Intracomm::Create(const MPI::Group& group) const
{
MPI_Comm newcomm;
(void)MPI_Comm_create(mpi_comm, group, &newcomm);
return newcomm;
}
inline MPI::Intracomm
MPI::Intracomm::Split(int color, int key) const
{
MPI_Comm newcomm;
(void)MPI_Comm_split(mpi_comm, color, key, &newcomm);
return newcomm;
}
inline MPI::Intercomm
MPI::Intracomm::Create_intercomm(int local_leader,
const 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 MPI::Cartcomm
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, const_cast<int *>(dims),
int_periods, (int)reorder, &newcomm);
delete [] int_periods;
return newcomm;
}
inline MPI::Graphcomm
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, const_cast<int *>(index),
const_cast<int *>(edges), (int)reorder, &newcomm);
return newcomm;
}
//
// Process Creation and Management
//
inline MPI::Intercomm
MPI::Intracomm::Accept(const char* port_name,
const MPI::Info& info,
int root) const
{
MPI_Comm newcomm;
(void) MPI_Comm_accept(const_cast<char *>(port_name), info, root, mpi_comm,
&newcomm);
return newcomm;
}
inline MPI::Intercomm
MPI::Intracomm::Connect(const char* port_name,
const MPI::Info& info,
int root) const
{
MPI_Comm newcomm;
(void) MPI_Comm_connect(const_cast<char *>(port_name), info, root, mpi_comm,
&newcomm);
return newcomm;
}
inline MPI::Intercomm
MPI::Intracomm::Spawn(const char* command, const char* argv[],
int maxprocs, const MPI::Info& info,
int root) const
{
MPI_Comm newcomm;
(void) MPI_Comm_spawn(const_cast<char *>(command), const_cast<char **>(argv), maxprocs,
info, root, mpi_comm, &newcomm,
(int *)MPI_ERRCODES_IGNORE);
return newcomm;
}
inline MPI::Intercomm
MPI::Intracomm::Spawn(const char* command, const char* argv[],
int maxprocs, const MPI::Info& info,
int root, int array_of_errcodes[]) const
{
MPI_Comm newcomm;
(void) MPI_Comm_spawn(const_cast<char *>(command), const_cast<char **>(argv), maxprocs,
info, root, mpi_comm, &newcomm,
array_of_errcodes);
return newcomm;
}
inline MPI::Intercomm
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_Info *const array_of_mpi_info =
convert_info_to_mpi_info(count, array_of_info);
MPI_Comm_spawn_multiple(count, const_cast<char **>(array_of_commands),
const_cast<char ***>(array_of_argv),
const_cast<int *>(array_of_maxprocs),
array_of_mpi_info, root,
mpi_comm, &newcomm, (int *)MPI_ERRCODES_IGNORE);
delete[] array_of_mpi_info;
return newcomm;
}
inline MPI_Info *
MPI::Intracomm::convert_info_to_mpi_info(int p_nbr, const Info p_info_tbl[])
{
MPI_Info *const mpi_info_tbl = new MPI_Info [p_nbr];
for (int i_tbl=0; i_tbl < p_nbr; i_tbl++) {
mpi_info_tbl[i_tbl] = p_info_tbl[i_tbl];
}
return mpi_info_tbl;
}
inline MPI::Intercomm
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_Info *const array_of_mpi_info =
convert_info_to_mpi_info(count, array_of_info);
MPI_Comm_spawn_multiple(count, const_cast<char **>(array_of_commands),
const_cast<char ***>(array_of_argv),
const_cast<int *>(array_of_maxprocs),
array_of_mpi_info, root,
mpi_comm, &newcomm, array_of_errcodes);
delete[] array_of_mpi_info;
return newcomm;
}
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