45 строки
1.6 KiB
C
45 строки
1.6 KiB
C
/*
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* Copyright (c) 2004-2007 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) 2004-2008 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) 2009 Cisco Systems, Inc. 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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#include "ompi_config.h"
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#include <stdio.h>
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#include "opal_stdint.h"
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#include "ompi/op/op.h"
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#include "ompi/mpi/c/bindings.h"
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int MPI_Allreduce(void *sendbuf, void *recvbuf, int count,
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MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
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{
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char typename[MPI_MAX_OBJECT_NAME], commname[MPI_MAX_OBJECT_NAME];
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int len;
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int rank;
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PMPI_Comm_rank(MPI_COMM_WORLD, &rank);
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PMPI_Type_get_name(datatype, typename, &len);
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PMPI_Comm_get_name(comm, commname, &len);
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fprintf(stderr, "MPI_ALLREDUCE[%d]: sendbuf %0" PRIxPTR " recvbuf %0" PRIxPTR " count %d datatype %s op %s comm %s\n",
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rank, (uintptr_t)sendbuf, (uintptr_t)recvbuf, count, typename, op->o_name, commname);
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fflush(stderr);
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return PMPI_Allreduce(sendbuf, recvbuf, count, datatype, op, comm);
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}
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