7c09923751
- Handle MPI_IN_PLACE - Use ompi_ddt_copy_content_same_ddt() where relevant This commit was SVN r7349.
44 строки
1.4 KiB
C
44 строки
1.4 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 "coll_self.h"
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#include "datatype/datatype.h"
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/*
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* scatterv_intra
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*
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* Function: - scatterv
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* Accepts: - same arguments as MPI_Scatter()
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* Returns: - MPI_SUCCESS or error code
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*/
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int mca_coll_self_scatterv_intra(void *sbuf, int *scounts,
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int *disps, struct ompi_datatype_t *sdtype,
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void *rbuf, int rcount,
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struct ompi_datatype_t *rdtype, int root,
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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_sndrcv(((char *) sbuf) + disps[0], scounts[0], sdtype,
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rbuf, rcount, rdtype);
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}
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}
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