690 строки
19 KiB
C++
690 строки
19 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 (c) 2007-2012 Cisco Systems, Inc. All rights reserved.
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// Copyright (c) 2011 FUJITSU LIMITED. 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(const_cast<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(const_cast<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(const_cast<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(const_cast<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(const_cast<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(const_cast<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(const_cast<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(const_cast<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 OPAL_INT_TO_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 OPAL_INT_TO_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(const_cast<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(const_cast<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(const_cast<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(const_cast<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(const_cast<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(const_cast<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 void
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MPI::Comm::Free(void)
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{
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(void)MPI_Comm_free(&mpi_comm);
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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 OPAL_INT_TO_BOOL(t);
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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::Comm::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::Comm::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::Comm::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::Comm::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),
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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::Comm::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::Comm::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),
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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::Comm::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::Comm::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),
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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::Comm::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::Comm::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[],
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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::Comm::Alltoallw(const void *sendbuf, const int sendcounts[],
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const int sdispls[], const MPI::Datatype sendtypes[],
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void *recvbuf, const int recvcounts[],
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const int rdispls[],
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const MPI::Datatype recvtypes[]) const
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{
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const int comm_size = Get_size();
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MPI_Datatype *const data_type_tbl = new MPI_Datatype [2*comm_size];
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// This must be done because MPI::Datatype arrays cannot be
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// converted directly into MPI_Datatype arrays.
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for (int i_rank=0; i_rank < comm_size; i_rank++) {
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data_type_tbl[i_rank] = sendtypes[i_rank];
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data_type_tbl[i_rank + comm_size] = recvtypes[i_rank];
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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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data_type_tbl, recvbuf,
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const_cast<int *>(recvcounts),
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const_cast<int *>(rdispls),
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&data_type_tbl[comm_size], mpi_comm);
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delete[] data_type_tbl;
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}
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inline void
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MPI::Comm::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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(void)MPI_Reduce(const_cast<void *>(sendbuf), recvbuf, count, datatype, op, root, mpi_comm);
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}
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inline void
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MPI::Comm::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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(void)MPI_Allreduce (const_cast<void *>(sendbuf), recvbuf, count, datatype, op, mpi_comm);
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}
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inline void
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MPI::Comm::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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(void)MPI_Reduce_scatter(const_cast<void *>(sendbuf), recvbuf, recvcounts,
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datatype, op, mpi_comm);
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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, const_cast<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;
|
|
}
|
|
|
|
//
|
|
// Environmental Inquiry
|
|
//
|
|
|
|
inline void
|
|
MPI::Comm::Abort(int errorcode)
|
|
{
|
|
(void)MPI_Abort(mpi_comm, errorcode);
|
|
}
|
|
|
|
//
|
|
// These C++ bindings are for MPI-2.
|
|
// The MPI-1.2 functions called below are all
|
|
// going to be deprecated and replaced in MPI-2.
|
|
//
|
|
|
|
inline MPI::Errhandler
|
|
MPI::Comm::Get_errhandler() const
|
|
{
|
|
MPI_Errhandler errhandler;
|
|
MPI_Comm_get_errhandler(mpi_comm, &errhandler);
|
|
return errhandler;
|
|
}
|
|
|
|
inline void
|
|
MPI::Comm::Set_errhandler(const MPI::Errhandler& errhandler)
|
|
{
|
|
(void)MPI_Comm_set_errhandler(mpi_comm, errhandler);
|
|
}
|
|
|
|
inline void
|
|
MPI::Comm::Call_errhandler(int errorcode) const
|
|
{
|
|
(void) MPI_Comm_call_errhandler(mpi_comm, errorcode);
|
|
}
|
|
|
|
// 1) original Create_keyval that takes the first 2 arguments as C++
|
|
// functions
|
|
inline int
|
|
MPI::Comm::Create_keyval(MPI::Comm::Copy_attr_function* comm_copy_attr_fn,
|
|
MPI::Comm::Delete_attr_function* comm_delete_attr_fn,
|
|
void* extra_state)
|
|
{
|
|
// Back-end function does the heavy lifting
|
|
int ret, keyval;
|
|
ret = do_create_keyval(NULL, NULL,
|
|
comm_copy_attr_fn, comm_delete_attr_fn,
|
|
extra_state, keyval);
|
|
return (MPI_SUCCESS == ret) ? keyval : ret;
|
|
}
|
|
|
|
// 2) overload Create_keyval to take the first 2 arguments as C
|
|
// functions
|
|
inline int
|
|
MPI::Comm::Create_keyval(MPI_Comm_copy_attr_function* comm_copy_attr_fn,
|
|
MPI_Comm_delete_attr_function* comm_delete_attr_fn,
|
|
void* extra_state)
|
|
{
|
|
// Back-end function does the heavy lifting
|
|
int ret, keyval;
|
|
ret = do_create_keyval(comm_copy_attr_fn, comm_delete_attr_fn,
|
|
NULL, NULL,
|
|
extra_state, keyval);
|
|
return (MPI_SUCCESS == ret) ? keyval : ret;
|
|
}
|
|
|
|
// 3) overload Create_keyval to take the first 2 arguments as C++ & C
|
|
// functions
|
|
inline int
|
|
MPI::Comm::Create_keyval(MPI::Comm::Copy_attr_function* comm_copy_attr_fn,
|
|
MPI_Comm_delete_attr_function* comm_delete_attr_fn,
|
|
void* extra_state)
|
|
{
|
|
// Back-end function does the heavy lifting
|
|
int ret, keyval;
|
|
ret = do_create_keyval(NULL, comm_delete_attr_fn,
|
|
comm_copy_attr_fn, NULL,
|
|
extra_state, keyval);
|
|
return (MPI_SUCCESS == ret) ? keyval : ret;
|
|
}
|
|
|
|
// 4) overload Create_keyval to take the first 2 arguments as C & C++
|
|
// functions
|
|
inline int
|
|
MPI::Comm::Create_keyval(MPI_Comm_copy_attr_function* comm_copy_attr_fn,
|
|
MPI::Comm::Delete_attr_function* comm_delete_attr_fn,
|
|
void* extra_state)
|
|
{
|
|
// Back-end function does the heavy lifting
|
|
int ret, keyval;
|
|
ret = do_create_keyval(comm_copy_attr_fn, NULL,
|
|
NULL, comm_delete_attr_fn,
|
|
extra_state, keyval);
|
|
return (MPI_SUCCESS == ret) ? keyval : ret;
|
|
}
|
|
|
|
inline void
|
|
MPI::Comm::Free_keyval(int& comm_keyval)
|
|
{
|
|
(void) MPI_Comm_free_keyval(&comm_keyval);
|
|
}
|
|
|
|
inline void
|
|
MPI::Comm::Set_attr(int comm_keyval, const void* attribute_val) const
|
|
{
|
|
(void)MPI_Comm_set_attr(mpi_comm, comm_keyval, const_cast<void*>(attribute_val));
|
|
}
|
|
|
|
inline bool
|
|
MPI::Comm::Get_attr(int comm_keyval, void* attribute_val) const
|
|
{
|
|
int flag;
|
|
(void)MPI_Comm_get_attr(mpi_comm, comm_keyval, attribute_val, &flag);
|
|
return OPAL_INT_TO_BOOL(flag);
|
|
}
|
|
|
|
inline void
|
|
MPI::Comm::Delete_attr(int comm_keyval)
|
|
{
|
|
(void)MPI_Comm_delete_attr(mpi_comm, comm_keyval);
|
|
}
|
|
|
|
// Comment out the unused parameters so that compilers don't warn
|
|
// about them. Use comments instead of just deleting the param names
|
|
// outright so that we know/remember what they are.
|
|
inline int
|
|
MPI::Comm::NULL_COPY_FN(const MPI::Comm& /* oldcomm */,
|
|
int /* comm_keyval */,
|
|
void* /* extra_state */,
|
|
void* /* attribute_val_in */,
|
|
void* /* attribute_val_out */,
|
|
bool& flag)
|
|
{
|
|
flag = false;
|
|
return MPI_SUCCESS;
|
|
}
|
|
|
|
inline int
|
|
MPI::Comm::DUP_FN(const MPI::Comm& oldcomm, int comm_keyval,
|
|
void* extra_state, void* attribute_val_in,
|
|
void* attribute_val_out, bool& flag)
|
|
{
|
|
if (sizeof(bool) != sizeof(int)) {
|
|
int f = (int)flag;
|
|
int ret;
|
|
ret = MPI_COMM_DUP_FN(oldcomm, comm_keyval, extra_state,
|
|
attribute_val_in, attribute_val_out, &f);
|
|
flag = OPAL_INT_TO_BOOL(f);
|
|
return ret;
|
|
} else {
|
|
return MPI_COMM_DUP_FN(oldcomm, comm_keyval, extra_state,
|
|
attribute_val_in, attribute_val_out,
|
|
(int*)&flag);
|
|
}
|
|
}
|
|
|
|
// Comment out the unused parameters so that compilers don't warn
|
|
// about them. Use comments instead of just deleting the param names
|
|
// outright so that we know/remember what they are.
|
|
inline int
|
|
MPI::Comm::NULL_DELETE_FN(MPI::Comm& /* comm */,
|
|
int /* comm_keyval */,
|
|
void* /* attribute_val */,
|
|
void* /* extra_state */)
|
|
{
|
|
return MPI_SUCCESS;
|
|
}
|
|
|