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openmpi/ompi/mca/coll/tuned/coll_tuned_component.c
Graham Fagg f354140587 Multiple changes
-added some alltoall calls (pairwise checked ok, bruck testing)
-changes in use of data hung of communicator
-making sendrecv call a true inline function
-more use ompi_ddt routines

This commit was SVN r7337.
2005-09-13 04:28:18 +00:00

137 строки
4.2 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
* 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
*
* $HEADER$
*
* These symbols are in a file by themselves to provide nice linker
* semantics. Since linkers generally pull in symbols by object
* files, keeping these symbols as the only symbols in this file
* prevents utility programs such as "ompi_info" from having to import
* entire components just to query their version and parameters.
*/
#include "ompi_config.h"
#include "coll_tuned.h"
#include "mpi.h"
#include "mca/coll/coll.h"
#include "coll_tuned.h"
/*
* Public string showing the coll ompi_tuned component version number
*/
const char *mca_coll_tuned_component_version_string =
"Open MPI tuned collective MCA component version " OMPI_VERSION;
/*
* Global variable
*/
int mca_coll_tuned_priority_param = -1;
int mca_coll_tuned_preallocate_memory_comm_size_limit_param = -1;
int mca_coll_tuned_use_dynamic_rules_param = -1;
int mca_coll_tuned_init_tree_fanout_param = -1;
int mca_coll_tuned_init_chain_fanout_param = -1;
/*
* Local function
*/
static int tuned_open(void);
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
const mca_coll_base_component_1_0_0_t mca_coll_tuned_component = {
/* First, the mca_component_t struct containing meta information
about the component itself */
{
/* Indicate that we are a coll v1.0.0 component (which also implies a
specific MCA version) */
MCA_COLL_BASE_VERSION_1_0_0,
/* Component name and version */
"tuned",
OMPI_MAJOR_VERSION,
OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION,
/* Component open and close functions */
tuned_open,
NULL
},
/* Next the MCA v1.0.0 component meta data */
{
/* Whether the component is checkpointable or not */
true
},
/* Initialization / querying functions */
mca_coll_tuned_init_query,
mca_coll_tuned_comm_query,
NULL
};
static int tuned_open(void)
{
printf("Tuned_open called\n");
/* mca_coll_tuned_component_t *ct = &mca_coll_tuned_component; */
/* Use a low priority, but allow other components to be lower */
mca_coll_tuned_priority_param =
mca_base_param_register_int("coll", "tuned", "priority", NULL, 30);
/* check the parameter for pre-allocated memory requests etc */
mca_coll_tuned_preallocate_memory_comm_size_limit_param =
mca_base_param_register_int("coll", "tuned", "pre_allocate_memory", NULL, (32*1024)+1);
/* by default DISABLE dynamic rules and force the use of fixed [if] rules */
mca_coll_tuned_use_dynamic_rules_param =
mca_base_param_register_int("coll", "tuned", "use_dynamic_rules",
NULL, 0);
/* some initial guesses at topology parameters */
mca_coll_tuned_init_tree_fanout_param =
mca_base_param_register_int("coll", "tuned", "init_tree_fanout",
NULL, 4);
mca_coll_tuned_init_chain_fanout_param =
mca_base_param_register_int("coll", "tuned", "init_chain_fanout",
NULL, 4);
/* use the newer interface rsn */
/* mca_coll_tuned_priority_param = mca_base_param_reg_int(&(ct->super), "priority", "Priority of the tuned coll component", */
/* false, false, 30, NULL); */
/* mca_base_param_reg_int(&(ct->super), "init_tree_fanout", "Fan out used for [balanced] tree topologies in the tuned coll component", */
/* false, false, 2, NULL); */
/* mca_base_param_reg_int(&(ct->super), "init_chain_fanout", */
/* "Fan out used for chain [1 fanout followed by pipelines] topology in the tuned coll component", */
/* false, false, 2, NULL); */
return OMPI_SUCCESS;
}