140 строки
6.0 KiB
C
140 строки
6.0 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2007 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) 2004-2005 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) 2004-2008 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) 2009 Sun Microsystmes, Inc. All rights reserved.
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* Copyright (c) 2013-2015 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2015 Research Organization for Information Science
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* and Technology (RIST). 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 <stdio.h>
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#include "ompi/mpi/c/bindings.h"
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#include "ompi/runtime/params.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/errhandler/errhandler.h"
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#include "ompi/win/win.h"
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#include "ompi/mca/osc/osc.h"
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#include "ompi/op/op.h"
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#include "ompi/datatype/ompi_datatype.h"
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#include "ompi/datatype/ompi_datatype_internal.h"
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#include "ompi/memchecker.h"
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#if OMPI_BUILD_MPI_PROFILING
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#if OPAL_HAVE_WEAK_SYMBOLS
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#pragma weak MPI_Accumulate = PMPI_Accumulate
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#endif
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#define MPI_Accumulate PMPI_Accumulate
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#endif
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static const char FUNC_NAME[] = "MPI_Accumulate";
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int MPI_Accumulate(const void *origin_addr, int origin_count, MPI_Datatype origin_datatype,
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int target_rank, MPI_Aint target_disp, int target_count,
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MPI_Datatype target_datatype, MPI_Op op, MPI_Win win)
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{
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int rc;
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ompi_win_t *ompi_win = (ompi_win_t*) win;
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MEMCHECKER(
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memchecker_datatype(origin_datatype);
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memchecker_datatype(target_datatype);
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memchecker_call(&opal_memchecker_base_isdefined, (void *) origin_addr, origin_count, origin_datatype);
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);
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if (MPI_PARAM_CHECK) {
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rc = OMPI_SUCCESS;
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (ompi_win_invalid(win)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN, FUNC_NAME);
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} else if (origin_count < 0 || target_count < 0) {
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rc = MPI_ERR_COUNT;
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} else if (ompi_win_peer_invalid(win, target_rank) &&
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(MPI_PROC_NULL != target_rank)) {
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rc = MPI_ERR_RANK;
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} else if (MPI_OP_NULL == op || MPI_NO_OP == op) {
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rc = MPI_ERR_OP;
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} else if (!ompi_op_is_intrinsic(op)) {
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rc = MPI_ERR_OP;
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} else if ( MPI_WIN_FLAVOR_DYNAMIC != win->w_flavor && target_disp < 0 ) {
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rc = MPI_ERR_DISP;
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} else {
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OMPI_CHECK_DATATYPE_FOR_ONE_SIDED(rc, origin_datatype, origin_count);
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if (OMPI_SUCCESS == rc) {
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OMPI_CHECK_DATATYPE_FOR_ONE_SIDED(rc, target_datatype, target_count);
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}
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if (OMPI_SUCCESS == rc) {
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/* While technically the standard probably requires that the
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datatypes used with MPI_REPLACE conform to all the rules
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for other reduction operators, we don't require such
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behavior, as checking for it is expensive here and we don't
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care in implementation.. */
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if (op != &ompi_mpi_op_replace.op && op != &ompi_mpi_op_no_op.op) {
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ompi_datatype_t *op_check_dt, *origin_check_dt;
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char *msg;
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/* ACCUMULATE, unlike REDUCE, can use with derived
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datatypes with predefinied operations, with some
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restrictions outlined in MPI-3:11.3.4. The derived
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datatype must be composed entierly from one predefined
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datatype (so you can do all the construction you want,
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but at the bottom, you can only use one datatype, say,
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MPI_INT). If the datatype at the target isn't
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predefined, then make sure it's composed of only one
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datatype, and check that datatype against
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ompi_op_is_valid(). */
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origin_check_dt = ompi_datatype_get_single_predefined_type_from_args(origin_datatype);
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op_check_dt = ompi_datatype_get_single_predefined_type_from_args(target_datatype);
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if( !((origin_check_dt == op_check_dt) & (NULL != op_check_dt)) ) {
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OMPI_ERRHANDLER_RETURN(MPI_ERR_ARG, win, MPI_ERR_ARG, FUNC_NAME);
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}
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/* check to make sure primitive type is valid for
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reduction. Should do this on the target, but
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then can't get the errcode back for this
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call */
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if (!ompi_op_is_valid(op, op_check_dt, &msg, FUNC_NAME)) {
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int ret = OMPI_ERRHANDLER_INVOKE(win, MPI_ERR_OP, msg);
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free(msg);
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return ret;
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}
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}
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}
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}
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OMPI_ERRHANDLER_CHECK(rc, win, rc, FUNC_NAME);
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}
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if (MPI_PROC_NULL == target_rank) {
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return MPI_SUCCESS;
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}
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OPAL_CR_ENTER_LIBRARY();
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rc = ompi_win->w_osc_module->osc_accumulate(origin_addr,
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origin_count,
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origin_datatype,
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target_rank,
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target_disp,
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target_count,
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target_datatype,
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op, win);
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OMPI_ERRHANDLER_RETURN(rc, win, rc, FUNC_NAME);
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}
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