366 строки
9.8 KiB
C++
366 строки
9.8 KiB
C++
// -*- 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 (c) 2004-2005 The Regents of the University of California.
|
|
// All rights reserved.
|
|
// $COPYRIGHT$
|
|
//
|
|
// Additional copyrights may follow
|
|
//
|
|
// $HEADER$
|
|
//
|
|
|
|
inline
|
|
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
|
|
MPI::Intracomm::Barrier() const
|
|
{
|
|
(void)MPI_Barrier(mpi_comm);
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Bcast(void *buffer, int count,
|
|
const MPI::Datatype& datatype, int root) const
|
|
{
|
|
(void)MPI_Bcast(buffer, count, datatype, root, mpi_comm);
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Gather(const void *sendbuf, int sendcount,
|
|
const MPI::Datatype & sendtype,
|
|
void *recvbuf, int recvcount,
|
|
const MPI::Datatype & recvtype, int root) const
|
|
{
|
|
(void)MPI_Gather((void *)sendbuf, sendcount, sendtype,
|
|
recvbuf, recvcount, recvtype, root, mpi_comm);
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Gatherv(const void *sendbuf, int sendcount,
|
|
const MPI::Datatype & sendtype, void *recvbuf,
|
|
const int recvcounts[], const int displs[],
|
|
const MPI::Datatype & recvtype, int root) const
|
|
{
|
|
(void)MPI_Gatherv((void *)sendbuf, sendcount, sendtype,
|
|
recvbuf, (int *)recvcounts, (int *)displs,
|
|
recvtype, root, mpi_comm);
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Scatter(const void *sendbuf, int sendcount,
|
|
const MPI::Datatype & sendtype,
|
|
void *recvbuf, int recvcount,
|
|
const MPI::Datatype & recvtype, int root) const
|
|
{
|
|
(void)MPI_Scatter((void *)sendbuf, sendcount, sendtype,
|
|
recvbuf, recvcount, recvtype, root, mpi_comm);
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Scatterv(const void *sendbuf, const int sendcounts[],
|
|
const int displs[], const MPI::Datatype & sendtype,
|
|
void *recvbuf, int recvcount,
|
|
const MPI::Datatype & recvtype, int root) const
|
|
{
|
|
(void)MPI_Scatterv((void *)sendbuf, (int *) sendcounts,
|
|
(int *) displs, sendtype,
|
|
recvbuf, recvcount, recvtype,
|
|
root, mpi_comm);
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Allgather(const void *sendbuf, int sendcount,
|
|
const MPI::Datatype & sendtype, void *recvbuf,
|
|
int recvcount, const MPI::Datatype & recvtype) const
|
|
{
|
|
(void)MPI_Allgather((void *) sendbuf, sendcount,
|
|
sendtype, recvbuf, recvcount,
|
|
recvtype, mpi_comm);
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Allgatherv(const void *sendbuf, int sendcount,
|
|
const MPI::Datatype & sendtype, void *recvbuf,
|
|
const int recvcounts[], const int displs[],
|
|
const MPI::Datatype & recvtype) const
|
|
{
|
|
(void)MPI_Allgatherv((void *)sendbuf, sendcount,
|
|
sendtype, recvbuf,
|
|
(int *) recvcounts, (int *) displs,
|
|
recvtype, mpi_comm);
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Alltoall(const void *sendbuf, int sendcount,
|
|
const MPI::Datatype & sendtype, void *recvbuf,
|
|
int recvcount, const MPI::Datatype & recvtype) const
|
|
{
|
|
(void)MPI_Alltoall((void *) sendbuf, sendcount,
|
|
sendtype, recvbuf, recvcount,
|
|
recvtype, mpi_comm);
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Alltoallv(const void *sendbuf, const int sendcounts[],
|
|
const int sdispls[], const MPI::Datatype & sendtype,
|
|
void *recvbuf, const int recvcounts[],
|
|
const int rdispls[], const MPI::Datatype & recvtype) const
|
|
{
|
|
(void)MPI_Alltoallv((void *) sendbuf, (int *) sendcounts,
|
|
(int *) sdispls, sendtype, recvbuf,
|
|
(int *) recvcounts, (int *) rdispls,
|
|
recvtype,mpi_comm);
|
|
}
|
|
|
|
inline void
|
|
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
|
|
MPI::Intracomm::Reduce(const void *sendbuf, void *recvbuf, int count,
|
|
const MPI::Datatype & datatype, const MPI::Op& op,
|
|
int root) const
|
|
{
|
|
current_op = (MPI::Op*)&op;
|
|
(void)MPI_Reduce((void*)sendbuf, recvbuf, count, datatype, op, root, mpi_comm);
|
|
current_op = (Op*)0;
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Allreduce(const void *sendbuf, void *recvbuf, int count,
|
|
const MPI::Datatype & datatype, const MPI::Op& op) const
|
|
{
|
|
current_op = (MPI::Op*)&op;
|
|
(void)MPI_Allreduce ((void*)sendbuf, recvbuf, count, datatype, op, mpi_comm);
|
|
current_op = (Op*)0;
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Reduce_scatter(const void *sendbuf, void *recvbuf,
|
|
int recvcounts[],
|
|
const MPI::Datatype & datatype,
|
|
const MPI::Op& op) const
|
|
{
|
|
current_op = (MPI::Op*)&op;
|
|
(void)MPI_Reduce_scatter((void*)sendbuf, recvbuf, recvcounts,
|
|
datatype, op, mpi_comm);
|
|
current_op = (Op*)0;
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Scan(const void *sendbuf, void *recvbuf, int count,
|
|
const MPI::Datatype & datatype, const MPI::Op& op) const
|
|
{
|
|
current_op = (MPI::Op*)&op;
|
|
(void)MPI_Scan((void *)sendbuf, recvbuf, count, datatype, op, mpi_comm);
|
|
current_op = (Op*)0;
|
|
}
|
|
|
|
inline void
|
|
MPI::Intracomm::Exscan(const void *sendbuf, void *recvbuf, int count,
|
|
const MPI::Datatype & datatype,
|
|
const MPI::Op& op) const
|
|
{
|
|
current_op = (MPI::Op*)&op;
|
|
(void)MPI_Exscan((void *)sendbuf, recvbuf, count, datatype, op, mpi_comm);
|
|
current_op = (Op*)0;
|
|
}
|
|
|
|
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, (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, (int*)index,
|
|
(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((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((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((char *) command, (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((char *) command, (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_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 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_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;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|