be27ee6fa0
Activate the reduce decision function. Others small updates (mostly TAB to spaces). This commit was SVN r12161.
248 строки
9.8 KiB
C
248 строки
9.8 KiB
C
/*
|
|
* Copyright (c) 2004-2005 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.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#include "ompi_config.h"
|
|
|
|
#include "mpi.h"
|
|
#include "ompi/constants.h"
|
|
#include "ompi/datatype/datatype.h"
|
|
#include "ompi/communicator/communicator.h"
|
|
#include "opal/mca/base/mca_base_param.h"
|
|
#include "ompi/mca/coll/base/base.h"
|
|
#include "ompi/mca/coll/coll.h"
|
|
#include "ompi/mca/coll/base/coll_tags.h"
|
|
#include "coll_tuned.h"
|
|
#include "ompi/mca/pml/pml.h"
|
|
#include "opal/util/bit_ops.h"
|
|
|
|
#include "coll_tuned.h"
|
|
|
|
|
|
/*
|
|
* Notes on evaluation rules and ordering
|
|
*
|
|
* The order is:
|
|
* use file based rules if presented (-coll_tuned_dynamic_rules_filename = rules)
|
|
* Else
|
|
* use forced rules (-coll_tuned_dynamic_ALG_intra_algorithm = algorithm-number)
|
|
* Else
|
|
* use fixed (compiled) rule set (or nested ifs)
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* allreduce_intra
|
|
*
|
|
* Function: - allreduce using other MPI collectives
|
|
* Accepts: - same as MPI_Allreduce()
|
|
* Returns: - MPI_SUCCESS or error code
|
|
*/
|
|
int
|
|
ompi_coll_tuned_allreduce_intra_dec_dynamic (void *sbuf, void *rbuf, int count,
|
|
struct ompi_datatype_t *dtype,
|
|
struct ompi_op_t *op,
|
|
struct ompi_communicator_t *comm)
|
|
{
|
|
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream, "ompi_coll_tuned_allreduce_intra_dec_dynamic"));
|
|
|
|
/* check to see if we have some filebased rules */
|
|
if (comm->c_coll_selected_data->com_rules[ALLREDUCE]) {
|
|
|
|
/* we do, so calc the message size or what ever we need and use this for the evaluation */
|
|
int alg, faninout, segsize;
|
|
size_t dsize;
|
|
|
|
ompi_ddt_type_size (dtype, &dsize);
|
|
dsize *= count;
|
|
|
|
alg = ompi_coll_tuned_get_target_method_params (comm->c_coll_selected_data->com_rules[ALLREDUCE],
|
|
dsize, &faninout, &segsize);
|
|
|
|
if (alg) { /* we have found a valid choice from the file based rules for this message size */
|
|
return ompi_coll_tuned_allreduce_intra_do_this (sbuf, rbuf, count, dtype, op, comm,
|
|
alg, faninout, segsize);
|
|
} /* found a method */
|
|
} /*end if any com rules to check */
|
|
|
|
if (comm->c_coll_selected_data->user_forced[ALLREDUCE].algorithm) {
|
|
return ompi_coll_tuned_allreduce_intra_do_forced (sbuf, rbuf, count, dtype, op, comm);
|
|
}
|
|
return ompi_coll_tuned_allreduce_intra_dec_fixed (sbuf, rbuf, count, dtype, op, comm);
|
|
}
|
|
|
|
/*
|
|
* alltoall_intra_dec
|
|
*
|
|
* Function: - seletects alltoall algorithm to use
|
|
* Accepts: - same arguments as MPI_Alltoall()
|
|
* Returns: - MPI_SUCCESS or error code (passed from the bcast implementation)
|
|
*/
|
|
|
|
int ompi_coll_tuned_alltoall_intra_dec_dynamic(void *sbuf, int scount,
|
|
struct ompi_datatype_t *sdtype,
|
|
void* rbuf, int rcount,
|
|
struct ompi_datatype_t *rdtype,
|
|
struct ompi_communicator_t *comm)
|
|
{
|
|
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream, "ompi_coll_tuned_alltoall_intra_dec_dynamic"));
|
|
|
|
/* check to see if we have some filebased rules */
|
|
if (comm->c_coll_selected_data->com_rules[ALLTOALL]) {
|
|
|
|
/* we do, so calc the message size or what ever we need and use this for the evaluation */
|
|
int comsize;
|
|
int alg, faninout, segsize;
|
|
size_t dsize;
|
|
|
|
ompi_ddt_type_size (sdtype, &dsize);
|
|
comsize = ompi_comm_size(comm);
|
|
dsize *= comsize * scount;
|
|
|
|
alg = ompi_coll_tuned_get_target_method_params (comm->c_coll_selected_data->com_rules[ALLTOALL],
|
|
dsize, &faninout, &segsize);
|
|
|
|
if (alg) { /* we have found a valid choice from the file based rules for this message size */
|
|
return ompi_coll_tuned_alltoall_intra_do_this (sbuf, scount, sdtype, rbuf, rcount, rdtype, comm,
|
|
alg, faninout, segsize);
|
|
} /* found a method */
|
|
} /*end if any com rules to check */
|
|
|
|
|
|
if (comm->c_coll_selected_data->user_forced[ALLTOALL].algorithm) {
|
|
return ompi_coll_tuned_alltoall_intra_do_forced (sbuf, scount, sdtype, rbuf, rcount, rdtype, comm);
|
|
}
|
|
return ompi_coll_tuned_alltoall_intra_dec_fixed (sbuf, scount, sdtype, rbuf, rcount, rdtype, comm);
|
|
}
|
|
|
|
/*
|
|
* barrier_intra_dec
|
|
*
|
|
* Function: - seletects barrier algorithm to use
|
|
* Accepts: - same arguments as MPI_Barrier()
|
|
* Returns: - MPI_SUCCESS or error code (passed from the barrier implementation)
|
|
*/
|
|
int ompi_coll_tuned_barrier_intra_dec_dynamic(struct ompi_communicator_t *comm)
|
|
{
|
|
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream,"ompi_coll_tuned_barrier_intra_dec_dynamic"));
|
|
|
|
/* check to see if we have some filebased rules */
|
|
if (comm->c_coll_selected_data->com_rules[BARRIER]) {
|
|
|
|
/* we do, so calc the message size or what ever we need and use this for the evaluation */
|
|
int alg, faninout, segsize;
|
|
|
|
alg = ompi_coll_tuned_get_target_method_params (comm->c_coll_selected_data->com_rules[BARRIER],
|
|
0, &faninout, &segsize);
|
|
|
|
if (alg) { /* we have found a valid choice from the file based rules for this message size */
|
|
return ompi_coll_tuned_barrier_intra_do_this (comm,
|
|
alg, faninout, segsize);
|
|
} /* found a method */
|
|
} /*end if any com rules to check */
|
|
|
|
if (comm->c_coll_selected_data->user_forced[BARRIER].algorithm) {
|
|
return ompi_coll_tuned_barrier_intra_do_forced (comm);
|
|
}
|
|
return ompi_coll_tuned_barrier_intra_dec_fixed (comm);
|
|
}
|
|
|
|
/*
|
|
* bcast_intra_dec
|
|
*
|
|
* Function: - seletects broadcast algorithm to use
|
|
* Accepts: - same arguments as MPI_Bcast()
|
|
* Returns: - MPI_SUCCESS or error code (passed from the bcast implementation)
|
|
*/
|
|
int ompi_coll_tuned_bcast_intra_dec_dynamic(void *buff, int count,
|
|
struct ompi_datatype_t *datatype, int root,
|
|
struct ompi_communicator_t *comm)
|
|
{
|
|
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream, "coll:tuned:bcast_intra_dec_dynamic"));
|
|
|
|
/* check to see if we have some filebased rules */
|
|
if (comm->c_coll_selected_data->com_rules[BCAST]) {
|
|
|
|
/* we do, so calc the message size or what ever we need and use this for the evaluation */
|
|
int alg, faninout, segsize;
|
|
size_t dsize;
|
|
|
|
ompi_ddt_type_size (datatype, &dsize);
|
|
dsize *= count;
|
|
|
|
alg = ompi_coll_tuned_get_target_method_params (comm->c_coll_selected_data->com_rules[BCAST],
|
|
dsize, &faninout, &segsize);
|
|
|
|
if (alg) { /* we have found a valid choice from the file based rules for this message size */
|
|
return ompi_coll_tuned_bcast_intra_do_this (buff, count, datatype, root, comm,
|
|
alg, faninout, segsize);
|
|
} /* found a method */
|
|
} /*end if any com rules to check */
|
|
|
|
|
|
if (comm->c_coll_selected_data->user_forced[BCAST].algorithm) {
|
|
return ompi_coll_tuned_bcast_intra_do_forced (buff, count, datatype, root, comm);
|
|
}
|
|
return ompi_coll_tuned_bcast_intra_dec_fixed (buff, count, datatype, root, comm);
|
|
}
|
|
|
|
/*
|
|
* reduce_intra_dec
|
|
*
|
|
* Function: - seletects reduce algorithm to use
|
|
* Accepts: - same arguments as MPI_reduce()
|
|
* Returns: - MPI_SUCCESS or error code (passed from the reduce implementation)
|
|
*
|
|
*/
|
|
int ompi_coll_tuned_reduce_intra_dec_dynamic( void *sendbuf, void *recvbuf,
|
|
int count, struct ompi_datatype_t* datatype,
|
|
struct ompi_op_t* op, int root,
|
|
struct ompi_communicator_t* comm)
|
|
{
|
|
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream, "coll:tuned:reduce_intra_dec_dynamic"));
|
|
|
|
/* check to see if we have some filebased rules */
|
|
if (comm->c_coll_selected_data->com_rules[REDUCE]) {
|
|
|
|
/* we do, so calc the message size or what ever we need and use this for the evaluation */
|
|
int alg, faninout, segsize;
|
|
size_t dsize;
|
|
|
|
ompi_ddt_type_size (datatype, &dsize);
|
|
dsize *= count;
|
|
|
|
alg = ompi_coll_tuned_get_target_method_params (comm->c_coll_selected_data->com_rules[REDUCE],
|
|
dsize, &faninout, &segsize);
|
|
|
|
if (alg) { /* we have found a valid choice from the file based rules for this message size */
|
|
return ompi_coll_tuned_reduce_intra_do_this (sendbuf, recvbuf, count, datatype, op, root, comm,
|
|
alg, faninout, segsize);
|
|
} /* found a method */
|
|
} /*end if any com rules to check */
|
|
|
|
if (comm->c_coll_selected_data->user_forced[REDUCE].algorithm) {
|
|
return ompi_coll_tuned_reduce_intra_do_forced (sendbuf, recvbuf, count, datatype, op, root, comm);
|
|
}
|
|
return ompi_coll_tuned_reduce_intra_dec_fixed (sendbuf, recvbuf, count, datatype, op, root, comm);
|
|
}
|
|
|