openmpi/ompi/mca/coll/monitoring/coll_monitoring_scatter.c

79 lines
3.4 KiB
C

/*
* Copyright (c) 2016-2018 Inria. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include <ompi_config.h>
#include <ompi/request/request.h>
#include <ompi/datatype/ompi_datatype.h>
#include <ompi/communicator/communicator.h>
#include "coll_monitoring.h"
int mca_coll_monitoring_scatter(const void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void *rbuf, int rcount,
struct ompi_datatype_t *rdtype,
int root,
struct ompi_communicator_t *comm,
mca_coll_base_module_t *module)
{
mca_coll_monitoring_module_t*monitoring_module = (mca_coll_monitoring_module_t*) module;
const int my_rank = ompi_comm_rank(comm);
if( root == my_rank ) {
size_t type_size, data_size;
const int comm_size = ompi_comm_size(comm);
int i, rank;
ompi_datatype_type_size(sdtype, &type_size);
data_size = scount * type_size;
for( i = 0; i < comm_size; ++i ) {
if( my_rank == i ) continue; /* No communication for self */
/**
* If this fails the destination is not part of my MPI_COM_WORLD
* Lookup its name in the rank hastable to get its MPI_COMM_WORLD rank
*/
if( OPAL_SUCCESS == mca_common_monitoring_get_world_rank(i, comm->c_remote_group, &rank) ) {
mca_common_monitoring_record_coll(rank, data_size);
}
}
mca_common_monitoring_coll_o2a(data_size * (comm_size - 1), monitoring_module->data);
}
return monitoring_module->real.coll_scatter(sbuf, scount, sdtype, rbuf, rcount, rdtype, root, comm, monitoring_module->real.coll_scatter_module);
}
int mca_coll_monitoring_iscatter(const void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void *rbuf, int rcount,
struct ompi_datatype_t *rdtype,
int root,
struct ompi_communicator_t *comm,
ompi_request_t ** request,
mca_coll_base_module_t *module)
{
mca_coll_monitoring_module_t*monitoring_module = (mca_coll_monitoring_module_t*) module;
const int my_rank = ompi_comm_rank(comm);
if( root == my_rank ) {
size_t type_size, data_size;
const int comm_size = ompi_comm_size(comm);
int i, rank;
ompi_datatype_type_size(sdtype, &type_size);
data_size = scount * type_size;
for( i = 0; i < comm_size; ++i ) {
if( my_rank == i ) continue; /* No communication for self */
/**
* If this fails the destination is not part of my MPI_COM_WORLD
* Lookup its name in the rank hastable to get its MPI_COMM_WORLD rank
*/
if( OPAL_SUCCESS == mca_common_monitoring_get_world_rank(i, comm->c_remote_group, &rank) ) {
mca_common_monitoring_record_coll(rank, data_size);
}
}
mca_common_monitoring_coll_o2a(data_size * (comm_size - 1), monitoring_module->data);
}
return monitoring_module->real.coll_iscatter(sbuf, scount, sdtype, rbuf, rcount, rdtype, root, comm, request, monitoring_module->real.coll_iscatter_module);
}