212 строки
8.8 KiB
C
212 строки
8.8 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
|
|
/*
|
|
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2004-2006 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
|
|
* University of Stuttgart. All rights reserved.
|
|
* Copyright (c) 2004-2005 The Regents of the University of California.
|
|
* All rights reserved.
|
|
* Copyright (c) 2012 Sandia National Laboratories. All rights reserved.
|
|
* Copyright (c) 2013 Los Alamos National Security, LLC. All rights
|
|
* reserved.
|
|
* Copyright (c) 2014 Research Organization for Information Science
|
|
* and Technology (RIST). All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#include "ompi_config.h"
|
|
#include "coll_basic.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "mpi.h"
|
|
#include "ompi/mca/coll/coll.h"
|
|
#include "ompi/mca/coll/base/base.h"
|
|
#include "ompi/mca/topo/topo.h"
|
|
#include "ompi/mca/topo/base/base.h"
|
|
#include "coll_basic.h"
|
|
|
|
|
|
/*
|
|
* Initial query function that is invoked during MPI_INIT, allowing
|
|
* this component to disqualify itself if it doesn't support the
|
|
* required level of thread support.
|
|
*/
|
|
int
|
|
mca_coll_basic_init_query(bool enable_progress_threads,
|
|
bool enable_mpi_threads)
|
|
{
|
|
/* Nothing to do */
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
|
|
/*
|
|
* Invoked when there's a new communicator that has been created.
|
|
* Look at the communicator and decide which set of functions and
|
|
* priority we want to return.
|
|
*/
|
|
mca_coll_base_module_t *
|
|
mca_coll_basic_comm_query(struct ompi_communicator_t *comm,
|
|
int *priority)
|
|
{
|
|
int size;
|
|
mca_coll_basic_module_t *basic_module;
|
|
|
|
basic_module = OBJ_NEW(mca_coll_basic_module_t);
|
|
if (NULL == basic_module) return NULL;
|
|
|
|
*priority = mca_coll_basic_priority;
|
|
|
|
/* Allocate the data that hangs off the communicator */
|
|
|
|
if (OMPI_COMM_IS_INTER(comm)) {
|
|
size = ompi_comm_remote_size(comm);
|
|
} else {
|
|
size = ompi_comm_size(comm);
|
|
}
|
|
size *= 2;
|
|
if (OMPI_COMM_IS_CART(comm)) {
|
|
int cart_size, ndims;
|
|
assert (NULL != comm->c_topo);
|
|
comm->c_topo->topo.cart.cartdim_get(comm, &ndims);
|
|
cart_size = ndims * 4;
|
|
if (cart_size > size) {
|
|
size = cart_size;
|
|
}
|
|
} else if (OMPI_COMM_IS_GRAPH(comm)) {
|
|
int rank, degree;
|
|
assert (NULL != comm->c_topo);
|
|
rank = ompi_comm_rank (comm);
|
|
comm->c_topo->topo.graph.graph_neighbors_count (comm, rank, °ree);
|
|
degree *= 2;
|
|
if (degree > size) {
|
|
size = degree;
|
|
}
|
|
} else if (OMPI_COMM_IS_DIST_GRAPH(comm)) {
|
|
int dist_graph_size, inneighbors, outneighbors, weighted;
|
|
assert (NULL != comm->c_topo);
|
|
comm->c_topo->topo.dist_graph.dist_graph_neighbors_count(comm, &inneighbors, &outneighbors, &weighted);
|
|
dist_graph_size = inneighbors + outneighbors;
|
|
if (dist_graph_size > size) {
|
|
size = dist_graph_size;
|
|
}
|
|
}
|
|
basic_module->mccb_num_reqs = size;
|
|
basic_module->mccb_reqs = (ompi_request_t**)
|
|
malloc(sizeof(ompi_request_t *) * basic_module->mccb_num_reqs);
|
|
|
|
/* Choose whether to use [intra|inter], and [linear|log]-based
|
|
* algorithms. */
|
|
basic_module->super.coll_module_enable = mca_coll_basic_module_enable;
|
|
basic_module->super.ft_event = mca_coll_basic_ft_event;
|
|
|
|
if (OMPI_COMM_IS_INTER(comm)) {
|
|
basic_module->super.coll_allgather = mca_coll_basic_allgather_inter;
|
|
basic_module->super.coll_allgatherv = mca_coll_basic_allgatherv_inter;
|
|
basic_module->super.coll_allreduce = mca_coll_basic_allreduce_inter;
|
|
basic_module->super.coll_alltoall = mca_coll_basic_alltoall_inter;
|
|
basic_module->super.coll_alltoallv = mca_coll_basic_alltoallv_inter;
|
|
basic_module->super.coll_alltoallw = mca_coll_basic_alltoallw_inter;
|
|
basic_module->super.coll_barrier = mca_coll_basic_barrier_inter_lin;
|
|
basic_module->super.coll_bcast = mca_coll_basic_bcast_lin_inter;
|
|
basic_module->super.coll_exscan = NULL;
|
|
basic_module->super.coll_gather = mca_coll_basic_gather_inter;
|
|
basic_module->super.coll_gatherv = mca_coll_basic_gatherv_inter;
|
|
basic_module->super.coll_reduce = mca_coll_basic_reduce_lin_inter;
|
|
basic_module->super.coll_reduce_scatter_block = mca_coll_basic_reduce_scatter_block_inter;
|
|
basic_module->super.coll_reduce_scatter = mca_coll_basic_reduce_scatter_inter;
|
|
basic_module->super.coll_scan = NULL;
|
|
basic_module->super.coll_scatter = mca_coll_basic_scatter_inter;
|
|
basic_module->super.coll_scatterv = mca_coll_basic_scatterv_inter;
|
|
} else if (ompi_comm_size(comm) <= mca_coll_basic_crossover) {
|
|
basic_module->super.coll_allgather = mca_coll_basic_allgather_intra;
|
|
basic_module->super.coll_allgatherv = mca_coll_basic_allgatherv_intra;
|
|
basic_module->super.coll_allreduce = mca_coll_basic_allreduce_intra;
|
|
basic_module->super.coll_alltoall = mca_coll_basic_alltoall_intra;
|
|
basic_module->super.coll_alltoallv = mca_coll_basic_alltoallv_intra;
|
|
basic_module->super.coll_alltoallw = mca_coll_basic_alltoallw_intra;
|
|
basic_module->super.coll_barrier = mca_coll_basic_barrier_intra_lin;
|
|
basic_module->super.coll_bcast = mca_coll_basic_bcast_lin_intra;
|
|
basic_module->super.coll_exscan = mca_coll_basic_exscan_intra;
|
|
basic_module->super.coll_gather = mca_coll_basic_gather_intra;
|
|
basic_module->super.coll_gatherv = mca_coll_basic_gatherv_intra;
|
|
basic_module->super.coll_reduce = mca_coll_basic_reduce_lin_intra;
|
|
basic_module->super.coll_reduce_scatter_block = mca_coll_basic_reduce_scatter_block_intra;
|
|
basic_module->super.coll_reduce_scatter = mca_coll_basic_reduce_scatter_intra;
|
|
basic_module->super.coll_scan = mca_coll_basic_scan_intra;
|
|
basic_module->super.coll_scatter = mca_coll_basic_scatter_intra;
|
|
basic_module->super.coll_scatterv = mca_coll_basic_scatterv_intra;
|
|
} else {
|
|
basic_module->super.coll_allgather = mca_coll_basic_allgather_intra;
|
|
basic_module->super.coll_allgatherv = mca_coll_basic_allgatherv_intra;
|
|
basic_module->super.coll_allreduce = mca_coll_basic_allreduce_intra;
|
|
basic_module->super.coll_alltoall = mca_coll_basic_alltoall_intra;
|
|
basic_module->super.coll_alltoallv = mca_coll_basic_alltoallv_intra;
|
|
basic_module->super.coll_alltoallw = mca_coll_basic_alltoallw_intra;
|
|
basic_module->super.coll_barrier = mca_coll_basic_barrier_intra_log;
|
|
basic_module->super.coll_bcast = mca_coll_basic_bcast_log_intra;
|
|
basic_module->super.coll_exscan = mca_coll_basic_exscan_intra;
|
|
basic_module->super.coll_gather = mca_coll_basic_gather_intra;
|
|
basic_module->super.coll_gatherv = mca_coll_basic_gatherv_intra;
|
|
basic_module->super.coll_reduce = mca_coll_basic_reduce_log_intra;
|
|
basic_module->super.coll_reduce_scatter_block = mca_coll_basic_reduce_scatter_block_intra;
|
|
basic_module->super.coll_reduce_scatter = mca_coll_basic_reduce_scatter_intra;
|
|
basic_module->super.coll_scan = mca_coll_basic_scan_intra;
|
|
basic_module->super.coll_scatter = mca_coll_basic_scatter_intra;
|
|
basic_module->super.coll_scatterv = mca_coll_basic_scatterv_intra;
|
|
}
|
|
|
|
/* These functions will return an error code if comm does not have a virtual topology */
|
|
basic_module->super.coll_neighbor_allgather = mca_coll_basic_neighbor_allgather;
|
|
basic_module->super.coll_neighbor_allgatherv = mca_coll_basic_neighbor_allgatherv;
|
|
basic_module->super.coll_neighbor_alltoall = mca_coll_basic_neighbor_alltoall;
|
|
basic_module->super.coll_neighbor_alltoallv = mca_coll_basic_neighbor_alltoallv;
|
|
basic_module->super.coll_neighbor_alltoallw = mca_coll_basic_neighbor_alltoallw;
|
|
|
|
return &(basic_module->super);
|
|
}
|
|
|
|
|
|
/*
|
|
* Init module on the communicator
|
|
*/
|
|
int
|
|
mca_coll_basic_module_enable(mca_coll_base_module_t *module,
|
|
struct ompi_communicator_t *comm)
|
|
{
|
|
/* All done */
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
|
|
int
|
|
mca_coll_basic_ft_event(int state) {
|
|
if(OPAL_CRS_CHECKPOINT == state) {
|
|
;
|
|
}
|
|
else if(OPAL_CRS_CONTINUE == state) {
|
|
;
|
|
}
|
|
else if(OPAL_CRS_RESTART == state) {
|
|
;
|
|
}
|
|
else if(OPAL_CRS_TERM == state ) {
|
|
;
|
|
}
|
|
else {
|
|
;
|
|
}
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|