f354140587
-added some alltoall calls (pairwise checked ok, bruck testing) -changes in use of data hung of communicator -making sendrecv call a true inline function -more use ompi_ddt routines This commit was SVN r7337.
62 строки
2.1 KiB
C
62 строки
2.1 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 "coll_tuned.h"
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#include "mpi.h"
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#include "ompi/include/constants.h"
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#include "datatype/datatype.h"
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#include "communicator/communicator.h"
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#include "mca/coll/coll.h"
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#include "mca/coll/base/coll_tags.h"
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#include "mca/pml/pml.h"
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int coll_tuned_sendrecv_actual( void* sendbuf, int scount, ompi_datatype_t* sdatatype,
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int dest, int stag,
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void* recvbuf, int rcount, ompi_datatype_t* rdatatype,
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int source, int rtag,
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struct ompi_communicator_t* comm,
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ompi_status_public_t* status )
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{ /* post receive first, then send, then waitall... should be fast (I hope) */
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int err, line = 0;
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ompi_request_t* reqs[2];
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ompi_status_public_t statuses[2];
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/* post new irecv */
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err = MCA_PML_CALL(irecv( recvbuf, rcount, rdatatype, source, rtag, comm, &reqs[0]));
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if (err != MPI_SUCCESS) { line = __LINE__; goto error_handler; }
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/* send data to children */
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err = MCA_PML_CALL(isend( sendbuf, scount, sdatatype, dest, stag, MCA_PML_BASE_SEND_STANDARD, comm, &reqs[1]));
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if (err != MPI_SUCCESS) { line = __LINE__; goto error_handler; }
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err = ompi_request_wait_all( 2, reqs, statuses );
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if (err != MPI_SUCCESS) { line = __LINE__; goto error_handler; }
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if (MPI_STATUS_IGNORE!=status) {
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*status = statuses[0];
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}
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return (MPI_SUCCESS);
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error_handler:
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fprintf(stderr,"%s:%d: Error %d occurred\n",__FILE__,line,err);
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return (err);
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}
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