366d64b7e5
As we changed the ABI (forcing a major release), we can limit the size of the predefined communicators by moving the collective structure outside the communicator. This might have a minimal, but unnoticeable, impact on performance. This approach has been discussed during the January 2017 devel meeting. Signed-off-by: George Bosilca <bosilca@icl.utk.edu> Signed-off-by: Joshua Hursey <jhursey@us.ibm.com>
46 строки
1.5 KiB
C
46 строки
1.5 KiB
C
/*
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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) 2004-2017 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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#include "ompi_config.h"
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#include "coll_sync.h"
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/*
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* scan
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*
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* Function: - scan
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* Accepts: - same arguments as MPI_Scan()
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* Returns: - MPI_SUCCESS or error code
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*/
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int mca_coll_sync_scan(const 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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mca_coll_base_module_t *module)
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{
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mca_coll_sync_module_t *s = (mca_coll_sync_module_t*) module;
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if (s->in_operation) {
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return s->c_coll.coll_scan(sbuf, rbuf, count, dtype, op, comm,
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s->c_coll.coll_scan_module);
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}
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COLL_SYNC(s, s->c_coll.coll_scan(sbuf, rbuf, count, dtype, op, comm,
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s->c_coll.coll_scan_module));
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}
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