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openmpi/ompi/mca/pml/dr/pml_dr_comm.c
Galen Shipman 84d3055db5 Make sure everything is imediatly acked, even if not matched
Buffer first descriptor on the sendreq until postive ACK 
Set bytes delivered only after postive ACK, removed num_acks, etc, in general
trying to remove as much state as possible so that rolling things back isn't
such a nightmare 

This commit was SVN r9187.
2006-03-01 22:37:10 +00:00

106 строки
3.0 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <string.h>
#include "pml_dr.h"
#include "pml_dr_comm.h"
OBJ_CLASS_INSTANCE(mca_pml_dr_acked_item_t,
opal_list_item_t,
NULL,
NULL);
static void mca_pml_dr_comm_proc_construct(mca_pml_dr_comm_proc_t* proc)
{
proc->expected_sequence = 1;
proc->vfrag_id = 1;
proc->send_sequence = 0;
OBJ_CONSTRUCT(&proc->frags_cant_match, opal_list_t);
OBJ_CONSTRUCT(&proc->specific_receives, opal_list_t);
OBJ_CONSTRUCT(&proc->unexpected_frags, opal_list_t);
OBJ_CONSTRUCT(&proc->acked_vfrags, opal_list_t);
proc->acked_vfrags_ptr = NULL;
}
static void mca_pml_dr_comm_proc_destruct(mca_pml_dr_comm_proc_t* proc)
{
OBJ_DESTRUCT(&proc->frags_cant_match);
OBJ_DESTRUCT(&proc->specific_receives);
OBJ_DESTRUCT(&proc->unexpected_frags);
}
static OBJ_CLASS_INSTANCE(
mca_pml_dr_comm_proc_t,
opal_object_t,
mca_pml_dr_comm_proc_construct,
mca_pml_dr_comm_proc_destruct);
static void mca_pml_dr_comm_construct(mca_pml_dr_comm_t* comm)
{
OBJ_CONSTRUCT(&comm->wild_receives, opal_list_t);
OBJ_CONSTRUCT(&comm->matching_lock, opal_mutex_t);
comm->recv_sequence = 0;
comm->procs = NULL;
comm->num_procs = 0;
}
static void mca_pml_dr_comm_destruct(mca_pml_dr_comm_t* comm)
{
size_t i;
for(i=0; i<comm->num_procs; i++)
OBJ_DESTRUCT((&comm->procs[i]));
if(NULL != comm->procs)
free(comm->procs);
OBJ_DESTRUCT(&comm->wild_receives);
OBJ_DESTRUCT(&comm->matching_lock);
}
OBJ_CLASS_INSTANCE(
mca_pml_dr_comm_t,
opal_object_t,
mca_pml_dr_comm_construct,
mca_pml_dr_comm_destruct);
int mca_pml_dr_comm_init(mca_pml_dr_comm_t* dr_comm, ompi_communicator_t* ompi_comm)
{
size_t i;
size_t size = ompi_comm->c_remote_group->grp_proc_count;
/* send message sequence-number support - sender side */
dr_comm->procs = malloc(sizeof(mca_pml_dr_comm_proc_t)*size);
if(NULL == dr_comm->procs) {
return OMPI_ERR_OUT_OF_RESOURCE;
}
for(i=0; i<size; i++) {
OBJ_CONSTRUCT(dr_comm->procs+i, mca_pml_dr_comm_proc_t);
dr_comm->procs[i].ompi_proc = ompi_comm->c_remote_group->grp_proc_pointers[i];
}
dr_comm->num_procs = size;
return OMPI_SUCCESS;
}