7c09923751
- Handle MPI_IN_PLACE - Use ompi_ddt_copy_content_same_ddt() where relevant This commit was SVN r7349.
42 строки
1.2 KiB
C
42 строки
1.2 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights 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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#include "ompi_config.h"
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#include "ompi/include/constants.h"
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#include "datatype/datatype.h"
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#include "coll_self.h"
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/*
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* allreduce_intra
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*
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* Function: - allreduce
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* Accepts: - same as MPI_Allreduce()
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* Returns: - MPI_SUCCESS or error code
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*/
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int mca_coll_self_allreduce_intra(void *sbuf, void *rbuf, int count,
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struct ompi_datatype_t *dtype,
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struct ompi_op_t *op,
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struct ompi_communicator_t *comm)
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{
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if (MPI_IN_PLACE == sbuf) {
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return MPI_SUCCESS;
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} else {
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return ompi_ddt_copy_content_same_ddt(dtype, count, rbuf, sbuf);
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}
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}
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