88492a1e12
in the base). Correctly deal with persistent requests (they must be always freed when they are stored in the request array associated with the communicator). Always use MPI_STATUS_IGNORE for single request waiting functions.
214 строки
9.0 KiB
C
214 строки
9.0 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) 2004-2015 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) 2012 Sandia National Laboratories. All rights reserved.
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* Copyright (c) 2013 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2014 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 "coll_basic.h"
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#include <stdio.h>
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#include "mpi.h"
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#include "ompi/mca/coll/coll.h"
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#include "ompi/mca/coll/base/base.h"
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#include "ompi/mca/topo/topo.h"
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#include "ompi/mca/topo/base/base.h"
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#include "coll_basic.h"
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/*
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* Initial query function that is invoked during MPI_INIT, allowing
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* this component to disqualify itself if it doesn't support the
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* required level of thread support.
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*/
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int
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mca_coll_basic_init_query(bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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/* Nothing to do */
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return OMPI_SUCCESS;
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}
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/*
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* Invoked when there's a new communicator that has been created.
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* Look at the communicator and decide which set of functions and
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* priority we want to return.
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*/
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mca_coll_base_module_t *
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mca_coll_basic_comm_query(struct ompi_communicator_t *comm,
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int *priority)
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{
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int size;
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mca_coll_basic_module_t *basic_module;
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basic_module = OBJ_NEW(mca_coll_basic_module_t);
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if (NULL == basic_module) return NULL;
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*priority = mca_coll_basic_priority;
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/* Allocate the data that hangs off the communicator */
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if (OMPI_COMM_IS_INTER(comm)) {
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size = ompi_comm_remote_size(comm);
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} else {
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size = ompi_comm_size(comm);
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}
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size *= 2;
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if (OMPI_COMM_IS_CART(comm)) {
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int cart_size, ndims;
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assert (NULL != comm->c_topo);
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comm->c_topo->topo.cart.cartdim_get(comm, &ndims);
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cart_size = ndims * 4;
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if (cart_size > size) {
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size = cart_size;
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}
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} else if (OMPI_COMM_IS_GRAPH(comm)) {
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int rank, degree;
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assert (NULL != comm->c_topo);
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rank = ompi_comm_rank (comm);
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comm->c_topo->topo.graph.graph_neighbors_count (comm, rank, °ree);
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degree *= 2;
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if (degree > size) {
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size = degree;
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}
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} else if (OMPI_COMM_IS_DIST_GRAPH(comm)) {
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int dist_graph_size, inneighbors, outneighbors, weighted;
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assert (NULL != comm->c_topo);
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comm->c_topo->topo.dist_graph.dist_graph_neighbors_count(comm, &inneighbors, &outneighbors, &weighted);
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dist_graph_size = inneighbors + outneighbors;
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if (dist_graph_size > size) {
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size = dist_graph_size;
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}
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}
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/* Choose whether to use [intra|inter], and [linear|log]-based
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* algorithms. */
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basic_module->super.coll_module_enable = mca_coll_basic_module_enable;
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basic_module->super.ft_event = mca_coll_basic_ft_event;
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if (OMPI_COMM_IS_INTER(comm)) {
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basic_module->super.coll_allgather = mca_coll_basic_allgather_inter;
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basic_module->super.coll_allgatherv = mca_coll_basic_allgatherv_inter;
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basic_module->super.coll_allreduce = mca_coll_basic_allreduce_inter;
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basic_module->super.coll_alltoall = mca_coll_basic_alltoall_inter;
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basic_module->super.coll_alltoallv = mca_coll_basic_alltoallv_inter;
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basic_module->super.coll_alltoallw = mca_coll_basic_alltoallw_inter;
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basic_module->super.coll_barrier = mca_coll_basic_barrier_inter_lin;
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basic_module->super.coll_bcast = mca_coll_basic_bcast_lin_inter;
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basic_module->super.coll_exscan = NULL;
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basic_module->super.coll_gather = mca_coll_basic_gather_inter;
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basic_module->super.coll_gatherv = mca_coll_basic_gatherv_inter;
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basic_module->super.coll_reduce = mca_coll_basic_reduce_lin_inter;
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basic_module->super.coll_reduce_scatter_block = mca_coll_basic_reduce_scatter_block_inter;
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basic_module->super.coll_reduce_scatter = mca_coll_basic_reduce_scatter_inter;
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basic_module->super.coll_scan = NULL;
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basic_module->super.coll_scatter = mca_coll_basic_scatter_inter;
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basic_module->super.coll_scatterv = mca_coll_basic_scatterv_inter;
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} else if (ompi_comm_size(comm) <= mca_coll_basic_crossover) {
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basic_module->super.coll_allgather = ompi_coll_base_allgather_intra_basic_linear;
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basic_module->super.coll_allgatherv = ompi_coll_base_allgatherv_intra_basic_default;
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basic_module->super.coll_allreduce = mca_coll_basic_allreduce_intra;
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basic_module->super.coll_alltoall = ompi_coll_base_alltoall_intra_basic_linear;
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basic_module->super.coll_alltoallv = ompi_coll_base_alltoallv_intra_basic_linear;
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basic_module->super.coll_alltoallw = mca_coll_basic_alltoallw_intra;
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basic_module->super.coll_barrier = ompi_coll_base_barrier_intra_basic_linear;
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basic_module->super.coll_bcast = ompi_coll_base_bcast_intra_basic_linear;
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basic_module->super.coll_exscan = mca_coll_basic_exscan_intra;
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basic_module->super.coll_gather = ompi_coll_base_gather_intra_basic_linear;
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basic_module->super.coll_gatherv = mca_coll_basic_gatherv_intra;
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basic_module->super.coll_reduce = ompi_coll_base_reduce_intra_basic_linear;
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basic_module->super.coll_reduce_scatter_block = mca_coll_basic_reduce_scatter_block_intra;
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basic_module->super.coll_reduce_scatter = mca_coll_basic_reduce_scatter_intra;
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basic_module->super.coll_scan = mca_coll_basic_scan_intra;
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basic_module->super.coll_scatter = ompi_coll_base_scatter_intra_basic_linear;
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basic_module->super.coll_scatterv = mca_coll_basic_scatterv_intra;
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} else {
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basic_module->super.coll_allgather = ompi_coll_base_allgather_intra_basic_linear;
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basic_module->super.coll_allgatherv = ompi_coll_base_allgatherv_intra_basic_default;
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basic_module->super.coll_allreduce = mca_coll_basic_allreduce_intra;
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basic_module->super.coll_alltoall = ompi_coll_base_alltoall_intra_basic_linear;
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basic_module->super.coll_alltoallv = ompi_coll_base_alltoallv_intra_basic_linear;
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basic_module->super.coll_alltoallw = mca_coll_basic_alltoallw_intra;
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basic_module->super.coll_barrier = mca_coll_basic_barrier_intra_log;
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basic_module->super.coll_bcast = mca_coll_basic_bcast_log_intra;
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basic_module->super.coll_exscan = mca_coll_basic_exscan_intra;
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basic_module->super.coll_gather = ompi_coll_base_gather_intra_basic_linear;
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basic_module->super.coll_gatherv = mca_coll_basic_gatherv_intra;
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basic_module->super.coll_reduce = mca_coll_basic_reduce_log_intra;
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basic_module->super.coll_reduce_scatter_block = mca_coll_basic_reduce_scatter_block_intra;
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basic_module->super.coll_reduce_scatter = mca_coll_basic_reduce_scatter_intra;
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basic_module->super.coll_scan = mca_coll_basic_scan_intra;
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basic_module->super.coll_scatter = ompi_coll_base_scatter_intra_basic_linear;
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basic_module->super.coll_scatterv = mca_coll_basic_scatterv_intra;
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}
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/* These functions will return an error code if comm does not have a virtual topology */
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basic_module->super.coll_neighbor_allgather = mca_coll_basic_neighbor_allgather;
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basic_module->super.coll_neighbor_allgatherv = mca_coll_basic_neighbor_allgatherv;
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basic_module->super.coll_neighbor_alltoall = mca_coll_basic_neighbor_alltoall;
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basic_module->super.coll_neighbor_alltoallv = mca_coll_basic_neighbor_alltoallv;
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basic_module->super.coll_neighbor_alltoallw = mca_coll_basic_neighbor_alltoallw;
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return &(basic_module->super);
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}
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/*
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* Init module on the communicator
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*/
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int
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mca_coll_basic_module_enable(mca_coll_base_module_t *module,
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struct ompi_communicator_t *comm)
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{
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/* prepare the placeholder for the array of request* */
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module->base_data = OBJ_NEW(mca_coll_basic_comm_t);
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if (NULL == module->base_data) {
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return OMPI_ERROR;
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}
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/* All done */
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return OMPI_SUCCESS;
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}
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int
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mca_coll_basic_ft_event(int state) {
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if(OPAL_CRS_CHECKPOINT == state) {
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;
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}
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else if(OPAL_CRS_CONTINUE == state) {
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;
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}
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else if(OPAL_CRS_RESTART == state) {
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;
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}
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else if(OPAL_CRS_TERM == state ) {
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;
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}
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else {
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;
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}
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return OMPI_SUCCESS;
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}
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