6149b5fec8
const_cast<>-style casting. For the rationle behind this, see: http://www.open-mpi.org/community/lists/users/2005/11/0391.php This commit was SVN r8327.
373 строки
11 KiB
C++
373 строки
11 KiB
C++
// -*- c++ -*-
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//
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// Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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// University Research and Technology
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// Corporation. All rights reserved.
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// Copyright (c) 2004-2005 The University of Tennessee and The University
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// of Tennessee Research Foundation. All rights
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// reserved.
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// Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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// University of Stuttgart. All rights reserved.
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// Copyright (c) 2004-2005 The Regents of the University of California.
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// All rights reserved.
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// $COPYRIGHT$
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//
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// Additional copyrights may follow
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//
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// $HEADER$
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//
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inline
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MPI::Intracomm::Intracomm(const MPI_Comm& data) {
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int flag;
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if (MPI::Is_initialized() && (data != MPI_COMM_NULL)) {
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(void)MPI_Comm_test_inter(data, &flag);
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if (flag)
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mpi_comm = MPI_COMM_NULL;
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else
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mpi_comm = data;
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}
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else {
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mpi_comm = data;
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}
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}
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//
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// Collective Communication
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//
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inline void
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MPI::Intracomm::Barrier() const
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{
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(void)MPI_Barrier(mpi_comm);
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}
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inline void
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MPI::Intracomm::Bcast(void *buffer, int count,
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const MPI::Datatype& datatype, int root) const
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{
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(void)MPI_Bcast(buffer, count, datatype, root, mpi_comm);
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}
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inline void
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MPI::Intracomm::Gather(const void *sendbuf, int sendcount,
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const MPI::Datatype & sendtype,
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void *recvbuf, int recvcount,
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const MPI::Datatype & recvtype, int root) const
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{
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(void)MPI_Gather(const_cast<void *>(sendbuf), sendcount, sendtype,
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recvbuf, recvcount, recvtype, root, mpi_comm);
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}
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inline void
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MPI::Intracomm::Gatherv(const void *sendbuf, int sendcount,
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const MPI::Datatype & sendtype, void *recvbuf,
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const int recvcounts[], const int displs[],
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const MPI::Datatype & recvtype, int root) const
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{
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(void)MPI_Gatherv(const_cast<void *>(sendbuf), sendcount, sendtype,
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recvbuf, const_cast<int *>(recvcounts), const_cast<int *>(displs),
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recvtype, root, mpi_comm);
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}
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inline void
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MPI::Intracomm::Scatter(const void *sendbuf, int sendcount,
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const MPI::Datatype & sendtype,
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void *recvbuf, int recvcount,
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const MPI::Datatype & recvtype, int root) const
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{
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(void)MPI_Scatter(const_cast<void *>(sendbuf), sendcount, sendtype,
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recvbuf, recvcount, recvtype, root, mpi_comm);
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}
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inline void
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MPI::Intracomm::Scatterv(const void *sendbuf, const int sendcounts[],
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const int displs[], const MPI::Datatype & sendtype,
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void *recvbuf, int recvcount,
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const MPI::Datatype & recvtype, int root) const
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{
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(void)MPI_Scatterv(const_cast<void *>(sendbuf), const_cast<int *>(sendcounts),
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const_cast<int *>(displs), sendtype,
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recvbuf, recvcount, recvtype,
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root, mpi_comm);
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}
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inline void
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MPI::Intracomm::Allgather(const void *sendbuf, int sendcount,
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const MPI::Datatype & sendtype, void *recvbuf,
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int recvcount, const MPI::Datatype & recvtype) const
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{
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(void)MPI_Allgather(const_cast<void *>(sendbuf), sendcount,
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sendtype, recvbuf, recvcount,
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recvtype, mpi_comm);
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}
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inline void
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MPI::Intracomm::Allgatherv(const void *sendbuf, int sendcount,
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const MPI::Datatype & sendtype, void *recvbuf,
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const int recvcounts[], const int displs[],
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const MPI::Datatype & recvtype) const
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{
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(void)MPI_Allgatherv(const_cast<void *>(sendbuf), sendcount,
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sendtype, recvbuf,
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const_cast<int *>(recvcounts), const_cast<int *>(displs),
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recvtype, mpi_comm);
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}
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inline void
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MPI::Intracomm::Alltoall(const void *sendbuf, int sendcount,
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const MPI::Datatype & sendtype, void *recvbuf,
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int recvcount, const MPI::Datatype & recvtype) const
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{
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(void)MPI_Alltoall(const_cast<void *>(sendbuf), sendcount,
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sendtype, recvbuf, recvcount,
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recvtype, mpi_comm);
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}
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inline void
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MPI::Intracomm::Alltoallv(const void *sendbuf, const int sendcounts[],
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const int sdispls[], const MPI::Datatype & sendtype,
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void *recvbuf, const int recvcounts[],
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const int rdispls[], const MPI::Datatype & recvtype) const
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{
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(void)MPI_Alltoallv(const_cast<void *>(sendbuf),
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const_cast<int *>(sendcounts),
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const_cast<int *>(sdispls), sendtype, recvbuf,
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const_cast<int *>(recvcounts),
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const_cast<int *>(rdispls),
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recvtype,mpi_comm);
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}
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inline void
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MPI::Intracomm::Alltoallw(const void *sendbuf, const int sendcounts[],
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const int sdispls[], const Datatype sendtypes[],
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void *recvbuf, const int recvcounts[],
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const int rdispls[], const Datatype recvtypes[]) const
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{
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(void)MPI_Alltoallw(const_cast<void *>(sendbuf),
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const_cast<int *>(sendcounts),
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const_cast<int *>(sdispls),
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(MPI_Datatype *)(sendtypes), recvbuf,
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const_cast<int *>(recvcounts),
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const_cast<int *>(rdispls),
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(MPI_Datatype *)(recvtypes), mpi_comm);
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}
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inline void
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MPI::Intracomm::Reduce(const void *sendbuf, void *recvbuf, int count,
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const MPI::Datatype & datatype, const MPI::Op& op,
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int root) const
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{
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current_op = (MPI::Op*)&op;
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(void)MPI_Reduce(const_cast<void *>(sendbuf), recvbuf, count, datatype, op, root, mpi_comm);
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current_op = (Op*)0;
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}
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inline void
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MPI::Intracomm::Allreduce(const void *sendbuf, void *recvbuf, int count,
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const MPI::Datatype & datatype, const MPI::Op& op) const
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{
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current_op = (MPI::Op*)&op;
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(void)MPI_Allreduce (const_cast<void *>(sendbuf), recvbuf, count, datatype, op, mpi_comm);
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current_op = (Op*)0;
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}
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inline void
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MPI::Intracomm::Reduce_scatter(const void *sendbuf, void *recvbuf,
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int recvcounts[],
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const MPI::Datatype & datatype,
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const MPI::Op& op) const
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{
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current_op = (MPI::Op*)&op;
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(void)MPI_Reduce_scatter(const_cast<void *>(sendbuf), recvbuf, recvcounts,
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datatype, op, mpi_comm);
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current_op = (Op*)0;
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}
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inline void
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MPI::Intracomm::Scan(const void *sendbuf, void *recvbuf, int count,
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const MPI::Datatype & datatype, const MPI::Op& op) const
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{
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current_op = (MPI::Op*)&op;
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(void)MPI_Scan(const_cast<void *>(sendbuf), recvbuf, count, datatype, op, mpi_comm);
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current_op = (Op*)0;
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}
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inline void
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MPI::Intracomm::Exscan(const void *sendbuf, void *recvbuf, int count,
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const MPI::Datatype & datatype,
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const MPI::Op& op) const
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{
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current_op = (MPI::Op*)&op;
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(void)MPI_Exscan(const_cast<void *>(sendbuf), recvbuf, count, datatype, op, mpi_comm);
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current_op = (Op*)0;
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}
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inline MPI::Intracomm
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MPI::Intracomm::Dup() const
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{
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MPI_Comm newcomm;
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(void)MPI_Comm_dup(mpi_comm, &newcomm);
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return newcomm;
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}
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inline MPI::Intracomm&
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MPI::Intracomm::Clone() const
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{
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MPI_Comm newcomm;
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(void)MPI_Comm_dup(mpi_comm, &newcomm);
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MPI::Intracomm* dup = new MPI::Intracomm(newcomm);
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return *dup;
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}
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inline MPI::Intracomm
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MPI::Intracomm::Create(const MPI::Group& group) const
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{
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MPI_Comm newcomm;
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(void)MPI_Comm_create(mpi_comm, group, &newcomm);
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return newcomm;
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}
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inline MPI::Intracomm
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MPI::Intracomm::Split(int color, int key) const
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{
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MPI_Comm newcomm;
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(void)MPI_Comm_split(mpi_comm, color, key, &newcomm);
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return newcomm;
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}
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inline MPI::Intercomm
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MPI::Intracomm::Create_intercomm(int local_leader,
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const MPI::Comm& peer_comm,
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int remote_leader, int tag) const
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{
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MPI_Comm newintercomm;
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(void)MPI_Intercomm_create(mpi_comm, local_leader, peer_comm,
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remote_leader, tag, &newintercomm);
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return newintercomm;
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}
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inline MPI::Cartcomm
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MPI::Intracomm::Create_cart(int ndims, const int dims[],
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const bool periods[], bool reorder) const
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{
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int *int_periods = new int [ndims];
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for (int i=0; i<ndims; i++)
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int_periods[i] = (int) periods[i];
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MPI_Comm newcomm;
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(void)MPI_Cart_create(mpi_comm, ndims, const_cast<int *>(dims),
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int_periods, (int)reorder, &newcomm);
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delete [] int_periods;
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return newcomm;
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}
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inline MPI::Graphcomm
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MPI::Intracomm::Create_graph(int nnodes, const int index[],
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const int edges[], bool reorder) const
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{
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MPI_Comm newcomm;
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(void)MPI_Graph_create(mpi_comm, nnodes, const_cast<int *>(index),
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const_cast<int *>(edges), (int)reorder, &newcomm);
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return newcomm;
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}
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//
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// Process Creation and Management
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//
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inline MPI::Intercomm
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MPI::Intracomm::Accept(const char* port_name,
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const MPI::Info& info,
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int root) const
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{
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MPI_Comm newcomm;
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(void) MPI_Comm_accept(const_cast<char *>(port_name), info, root, mpi_comm,
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&newcomm);
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return newcomm;
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}
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inline MPI::Intercomm
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MPI::Intracomm::Connect(const char* port_name,
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const MPI::Info& info,
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int root) const
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{
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MPI_Comm newcomm;
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(void) MPI_Comm_connect(const_cast<char *>(port_name), info, root, mpi_comm,
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&newcomm);
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return newcomm;
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}
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inline MPI::Intercomm
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MPI::Intracomm::Spawn(const char* command, const char* argv[],
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int maxprocs, const MPI::Info& info,
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int root) const
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{
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MPI_Comm newcomm;
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(void) MPI_Comm_spawn(const_cast<char *>(command), const_cast<char **>(argv), maxprocs,
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info, root, mpi_comm, &newcomm,
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(int *)MPI_ERRCODES_IGNORE);
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return newcomm;
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}
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inline MPI::Intercomm
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MPI::Intracomm::Spawn(const char* command, const char* argv[],
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int maxprocs, const MPI::Info& info,
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int root, int array_of_errcodes[]) const
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{
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MPI_Comm newcomm;
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(void) MPI_Comm_spawn(const_cast<char *>(command), const_cast<char **>(argv), maxprocs,
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info, root, mpi_comm, &newcomm,
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array_of_errcodes);
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return newcomm;
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}
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inline MPI::Intercomm
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MPI::Intracomm::Spawn_multiple(int count,
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const char* array_of_commands[],
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const char** array_of_argv[],
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const int array_of_maxprocs[],
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const Info array_of_info[], int root)
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{
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MPI_Comm newcomm;
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MPI_Comm_spawn_multiple(count, const_cast<char **>(array_of_commands),
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const_cast<char ***>(array_of_argv), const_cast<int *>(array_of_maxprocs),
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(MPI_Info *) array_of_info, root,
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mpi_comm, &newcomm, (int *)MPI_ERRCODES_IGNORE);
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return newcomm;
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}
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inline MPI::Intercomm
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MPI::Intracomm::Spawn_multiple(int count,
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const char* array_of_commands[],
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const char** array_of_argv[],
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const int array_of_maxprocs[],
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const Info array_of_info[], int root,
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int array_of_errcodes[])
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{
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MPI_Comm newcomm;
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MPI_Comm_spawn_multiple(count, const_cast<char **>(array_of_commands),
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const_cast<char ***>(array_of_argv), const_cast<int *>(array_of_maxprocs),
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(MPI_Info *) array_of_info, root,
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mpi_comm, &newcomm, array_of_errcodes);
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return newcomm;
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}
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