475 строки
11 KiB
C++
475 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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//
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// Point-to-Point
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//
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inline void
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MPI::Comm::Send(const void *buf, int count,
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const MPI::Datatype & datatype, int dest, int tag) const
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{
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(void)MPI_Send((void *)buf, count, datatype, dest, tag, mpi_comm);
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}
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inline void
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MPI::Comm::Recv(void *buf, int count, const MPI::Datatype & datatype,
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int source, int tag, MPI::Status & status) const
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{
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(void)MPI_Recv(buf, count, datatype, source, tag, mpi_comm, &status.mpi_status);
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}
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inline void
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MPI::Comm::Recv(void *buf, int count, const MPI::Datatype & datatype,
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int source, int tag) const
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{
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(void)MPI_Recv(buf, count, datatype, source,
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tag, mpi_comm, MPI_STATUS_IGNORE);
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}
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inline void
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MPI::Comm::Bsend(const void *buf, int count,
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const MPI::Datatype & datatype, int dest, int tag) const
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{
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(void)MPI_Bsend((void *)buf, count, datatype,
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dest, tag, mpi_comm);
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}
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inline void
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MPI::Comm::Ssend(const void *buf, int count,
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const MPI::Datatype & datatype, int dest, int tag) const
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{
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(void)MPI_Ssend((void *)buf, count, datatype, dest,
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tag, mpi_comm);
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}
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inline void
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MPI::Comm::Rsend(const void *buf, int count,
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const MPI::Datatype & datatype, int dest, int tag) const
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{
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(void)MPI_Rsend((void *)buf, count, datatype,
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dest, tag, mpi_comm);
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}
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inline MPI::Request
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MPI::Comm::Isend(const void *buf, int count,
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const MPI::Datatype & datatype, int dest, int tag) const
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{
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MPI_Request request;
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(void)MPI_Isend((void *)buf, count, datatype,
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dest, tag, mpi_comm, &request);
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return request;
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}
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inline MPI::Request
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MPI::Comm::Ibsend(const void *buf, int count,
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const MPI::Datatype & datatype, int dest, int tag) const
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{
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MPI_Request request;
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(void)MPI_Ibsend((void *)buf, count, datatype,
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dest, tag, mpi_comm, &request);
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return request;
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}
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inline MPI::Request
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MPI::Comm::Issend(const void *buf, int count,
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const MPI::Datatype & datatype, int dest, int tag) const
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{
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MPI_Request request;
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(void)MPI_Issend((void *)buf, count, datatype,
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dest, tag, mpi_comm, &request);
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return request;
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}
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inline MPI::Request
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MPI::Comm::Irsend(const void *buf, int count,
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const MPI::Datatype & datatype, int dest, int tag) const
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{
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MPI_Request request;
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(void)MPI_Irsend((void *) buf, count, datatype,
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dest, tag, mpi_comm, &request);
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return request;
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}
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inline MPI::Request
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MPI::Comm::Irecv(void *buf, int count,
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const MPI::Datatype & datatype, int source, int tag) const
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{
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MPI_Request request;
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(void)MPI_Irecv(buf, count, datatype, source,
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tag, mpi_comm, &request);
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return request;
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}
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inline bool
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MPI::Comm::Iprobe(int source, int tag, MPI::Status & status) const
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{
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int t;
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(void)MPI_Iprobe(source, tag, mpi_comm, &t, &status.mpi_status);
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return (bool) t;
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}
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inline bool
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MPI::Comm::Iprobe(int source, int tag) const
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{
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int t;
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(void)MPI_Iprobe(source, tag, mpi_comm, &t, MPI_STATUS_IGNORE);
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return (bool) t;
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}
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inline void
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MPI::Comm::Probe(int source, int tag, MPI::Status & status) const
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{
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(void)MPI_Probe(source, tag, mpi_comm, &status.mpi_status);
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}
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inline void
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MPI::Comm::Probe(int source, int tag) const
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{
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(void)MPI_Probe(source, tag, mpi_comm, MPI_STATUS_IGNORE);
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}
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inline MPI::Prequest
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MPI::Comm::Send_init(const void *buf, int count,
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const MPI::Datatype & datatype, int dest, int tag) const
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{
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MPI_Request request;
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(void)MPI_Send_init((void *)buf, count, datatype,
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dest, tag, mpi_comm, &request);
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return request;
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}
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inline MPI::Prequest
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MPI::Comm::Bsend_init(const void *buf, int count,
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const MPI::Datatype & datatype, int dest, int tag) const
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{
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MPI_Request request;
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(void)MPI_Bsend_init((void *)buf, count, datatype,
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dest, tag, mpi_comm, &request);
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return request;
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}
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inline MPI::Prequest
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MPI::Comm::Ssend_init(const void *buf, int count,
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const MPI::Datatype & datatype, int dest, int tag) const
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{
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MPI_Request request;
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(void)MPI_Ssend_init((void *)buf, count, datatype,
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dest, tag, mpi_comm, &request);
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return request;
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}
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inline MPI::Prequest
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MPI::Comm::Rsend_init(const void *buf, int count,
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const MPI::Datatype & datatype, int dest, int tag) const
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{
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MPI_Request request;
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(void)MPI_Rsend_init((void *)buf, count, datatype,
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dest, tag, mpi_comm, &request);
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return request;
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}
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inline MPI::Prequest
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MPI::Comm::Recv_init(void *buf, int count,
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const MPI::Datatype & datatype, int source, int tag) const
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{
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MPI_Request request;
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(void)MPI_Recv_init(buf, count, datatype, source,
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tag, mpi_comm, &request);
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return request;
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}
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inline void
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MPI::Comm::Sendrecv(const void *sendbuf, int sendcount,
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const MPI::Datatype & sendtype, int dest, int sendtag,
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void *recvbuf, int recvcount,
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const MPI::Datatype & recvtype, int source,
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int recvtag, MPI::Status & status) const
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{
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(void)MPI_Sendrecv((void *)sendbuf, sendcount,
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sendtype,
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dest, sendtag, recvbuf, recvcount,
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recvtype,
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source, recvtag, mpi_comm, &status.mpi_status);
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}
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inline void
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MPI::Comm::Sendrecv(const void *sendbuf, int sendcount,
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const MPI::Datatype & sendtype, int dest, int sendtag,
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void *recvbuf, int recvcount,
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const MPI::Datatype & recvtype, int source,
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int recvtag) const
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{
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(void)MPI_Sendrecv((void *)sendbuf, sendcount,
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sendtype,
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dest, sendtag, recvbuf, recvcount,
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recvtype,
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source, recvtag, mpi_comm, MPI_STATUS_IGNORE);
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}
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inline void
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MPI::Comm::Sendrecv_replace(void *buf, int count,
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const MPI::Datatype & datatype, int dest,
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int sendtag, int source,
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int recvtag, MPI::Status & status) const
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{
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(void)MPI_Sendrecv_replace(buf, count, datatype, dest,
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sendtag, source, recvtag, mpi_comm,
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&status.mpi_status);
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}
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inline void
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MPI::Comm::Sendrecv_replace(void *buf, int count,
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const MPI::Datatype & datatype, int dest,
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int sendtag, int source,
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int recvtag) const
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{
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(void)MPI_Sendrecv_replace(buf, count, datatype, dest,
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sendtag, source, recvtag, mpi_comm,
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MPI_STATUS_IGNORE);
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}
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//
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// Groups, Contexts, and Communicators
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//
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inline MPI::Group
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MPI::Comm::Get_group() const
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{
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MPI_Group group;
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(void)MPI_Comm_group(mpi_comm, &group);
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return group;
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}
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inline int
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MPI::Comm::Get_size() const
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{
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int size;
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(void)MPI_Comm_size (mpi_comm, &size);
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return size;
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}
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inline int
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MPI::Comm::Get_rank() const
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{
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int rank;
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(void)MPI_Comm_rank (mpi_comm, &rank);
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return rank;
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}
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inline int
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MPI::Comm::Compare(const MPI::Comm & comm1,
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const MPI::Comm & comm2)
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{
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int result;
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(void)MPI_Comm_compare(comm1, comm2, &result);
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return result;
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}
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inline bool
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MPI::Comm::Is_inter() const
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{
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int t;
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(void)MPI_Comm_test_inter(mpi_comm, &t);
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return (bool) t;
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}
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//
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// Process Creation and Managemnt
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//
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inline void
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MPI::Comm::Disconnect()
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{
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(void) MPI_Comm_disconnect(&mpi_comm);
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}
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inline MPI::Intercomm
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MPI::Comm::Get_parent()
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{
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MPI_Comm parent;
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MPI_Comm_get_parent(&parent);
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return parent;
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}
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inline MPI::Intercomm
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MPI::Comm::Join(const int fd)
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{
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MPI_Comm newcomm;
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(void) MPI_Comm_join((int) fd, &newcomm);
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return newcomm;
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}
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//
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// External Interfaces
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//
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inline void
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MPI::Comm::Get_name(char* comm_name, int& resultlen) const
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{
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(void) MPI_Comm_get_name(mpi_comm, comm_name, &resultlen);
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}
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inline void
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MPI::Comm::Set_name(const char* comm_name)
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{
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(void) MPI_Comm_set_name(mpi_comm, (char *)comm_name);
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}
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//
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//Process Topologies
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//
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inline int
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MPI::Comm::Get_topology() const
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{
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int status;
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(void)MPI_Topo_test(mpi_comm, &status);
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return status;
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}
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//
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// Environmental Inquiry
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//
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inline void
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MPI::Comm::Abort(int errorcode)
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{
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(void)MPI_Abort(mpi_comm, errorcode);
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}
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//
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// These C++ bindings are for MPI-2.
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// The MPI-1.2 functions called below are all
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// going to be deprecated and replaced in MPI-2.
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//
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inline MPI::Errhandler
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MPI::Comm::Get_errhandler() const
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{
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return *my_errhandler;
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}
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inline MPI::Errhandler
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MPI::Comm::Create_errhandler(MPI::Comm::_MPI2CPP_ERRHANDLERFN_* function)
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{
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MPI_Errhandler errhandler;
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// $%%@#%# AIX/POE 2.3.0.0 makes us put in this cast here
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(void)MPI_Errhandler_create((MPI_Handler_function*) ompi_mpi_cxx_errhandler_intercept,
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&errhandler);
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MPI::Errhandler temp(errhandler);
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temp.handler_fn = (void(*)(MPI::Comm&, int*, ...))function;
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return temp;
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}
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inline bool
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MPI::Comm::Get_attr(int comm_keyval, void* attribute_val) const
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{
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int flag;
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(void)MPI_Attr_get(mpi_comm, comm_keyval, attribute_val, &flag);
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return (bool)flag;
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}
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inline void
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MPI::Comm::Delete_attr(int comm_keyval)
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{
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(void)MPI_Attr_delete(mpi_comm, comm_keyval);
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}
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inline int
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MPI::Comm::NULL_COPY_FN(const MPI::Comm& oldcomm, int comm_keyval,
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void* extra_state, void* attribute_val_in,
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void* attribute_val_out, bool& flag)
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{
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#if SIZEOF_BOOL != SIZEOF_INT
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int f = (int)flag;
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int ret;
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if (MPI_NULL_COPY_FN != 0) {
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// Portland pgCC 5.0-2 has a bug that we have to workaround here.
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// MPI_NULL_COPY_FN is actually a #define for ((MPI_Copy_function
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// *) 0). If we try to invoke it, such as:
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// ret = MPI_NULL_COPY_FN(...);
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// the preprocessor will resolve this to:
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// ret = ((MPI_Copy_function *) 0)(...);
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// which should be fine. But unfortunately, pgCC 5.0-2 makes this
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// into a real symbol that will refuse to link. The workaround is
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// to assign this into a temp variable and then invoke through the
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// function pointer. This shouldn't be necessary. :-(
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MPI_Copy_function *stupid_compiler = MPI_NULL_COPY_FN;
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ret = stupid_compiler(oldcomm, comm_keyval, extra_state, attribute_val_in,
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attribute_val_out, &f);
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flag = (bool)f;
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} else {
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ret = MPI_SUCCESS;
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flag = true;
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}
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return ret;
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#else
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if (MPI_NULL_COPY_FN != 0) {
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// See note above.
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MPI_Copy_function *stupid_compiler = MPI_NULL_COPY_FN;
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return stupid_compiler(oldcomm, comm_keyval, extra_state,
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attribute_val_in, attribute_val_out, (int*)&flag);
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} else
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return MPI_SUCCESS;
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#endif
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}
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inline int
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MPI::Comm::DUP_FN(const MPI::Comm& oldcomm, int comm_keyval,
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void* extra_state, void* attribute_val_in,
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void* attribute_val_out, bool& flag)
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{
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#if SIZEOF_BOOL != SIZEOF_INT
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int f = (int)flag;
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int ret;
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ret = MPI_DUP_FN(oldcomm, comm_keyval, extra_state, attribute_val_in,
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attribute_val_out, &f);
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flag = (bool) f;
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return ret;
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#else
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return MPI_DUP_FN(oldcomm, comm_keyval, extra_state, attribute_val_in,
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attribute_val_out, (int*)&flag);
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#endif
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}
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inline int
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MPI::Comm::NULL_DELETE_FN(MPI::Comm& comm, int comm_keyval, void* attribute_val,
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void* extra_state)
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{
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if (MPI_NULL_DELETE_FN != 0) {
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// See note in MPI_NULL_COPY_FN.
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MPI_Delete_function *stupid_compiler = MPI_NULL_DELETE_FN;
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return stupid_compiler(comm, comm_keyval, attribute_val, extra_state);
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} else
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return MPI_SUCCESS;
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}
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