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>
65 строки
1.8 KiB
C
65 строки
1.8 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 (c) 2008-2011 University of Houston. 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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/* This code is based on the PVFS2 ADIO module in ROMIO
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* Copyright (C) 1997 University of Chicago.
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* See COPYRIGHT notice in top-level directory.
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*/
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#include "ompi_config.h"
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#include "fs_pvfs2.h"
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#include "mpi.h"
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#include "ompi/constants.h"
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#include "ompi/mca/fs/fs.h"
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/*
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* file_sync_pvfs2
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*
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* Function: - closes a new file
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* Accepts: - file handle
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* Returns: - Success if file closed
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*/
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int
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mca_fs_pvfs2_file_sync (mca_io_ompio_file_t *fh)
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{
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int ret;
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mca_fs_pvfs2 *pvfs2_fs;
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ret = OMPI_SUCCESS;
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pvfs2_fs = (mca_fs_pvfs2 *)fh->f_fs_ptr;
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if (OMPIO_ROOT == fh->f_rank) {
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ret = PVFS_sys_flush(pvfs2_fs->object_ref, &(pvfs2_fs->credentials));
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}
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fh->f_comm->c_coll->coll_bcast (&ret,
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1,
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MPI_INT,
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OMPIO_ROOT,
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fh->f_comm,
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fh->f_comm->c_coll->coll_bcast_module);
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if (0 != ret) {
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return OMPI_ERROR;
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}
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return OMPI_SUCCESS;
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}
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