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openmpi/ompi/mca/coll/tuned/coll_tuned.h

606 строки
32 KiB
C
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/*
* 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
*
* $HEADER$
*/
#ifndef MCA_COLL_TUNED_EXPORT_H
#define MCA_COLL_TUNED_EXPORT_H
#include "ompi_config.h"
#include "mpi.h"
#include "mca/mca.h"
#include "mca/coll/coll.h"
#include "request/request.h"
#include "mca/pml/pml.h"
/* need to include our own topo prototypes so we can malloc data on the comm correctly */
#include "coll_tuned_topo.h"
#if defined(c_plusplus) || defined(__cplusplus)
extern "C" {
#endif
/*
* Globally exported variable
*/
OMPI_COMP_EXPORT extern const mca_coll_base_component_1_0_0_t mca_coll_tuned_component;
OMPI_COMP_EXPORT extern int mca_coll_tuned_stream;
OMPI_COMP_EXPORT extern int mca_coll_tuned_priority;
OMPI_COMP_EXPORT extern int mca_coll_tuned_preallocate_memory_comm_size_limit;
OMPI_COMP_EXPORT extern int mca_coll_tuned_use_dynamic_rules;
OMPI_COMP_EXPORT extern int mca_coll_tuned_init_tree_fanout;
OMPI_COMP_EXPORT extern int mca_coll_tuned_init_chain_fanout;
/* forced algorithm choices */
OMPI_COMP_EXPORT extern int mca_coll_tuned_allreduce_forced_choice;
OMPI_COMP_EXPORT extern int mca_coll_tuned_allreduce_forced_segsize;
OMPI_COMP_EXPORT extern int mca_coll_tuned_allreduce_forced_tree_fanout;
OMPI_COMP_EXPORT extern int mca_coll_tuned_allreduce_forced_chain_fanout;
OMPI_COMP_EXPORT extern int mca_coll_tuned_alltoall_forced_choice;
OMPI_COMP_EXPORT extern int mca_coll_tuned_alltoall_forced_segsize;
OMPI_COMP_EXPORT extern int mca_coll_tuned_alltoall_forced_tree_fanout;
OMPI_COMP_EXPORT extern int mca_coll_tuned_alltoall_forced_chain_fanout;
OMPI_COMP_EXPORT extern int mca_coll_tuned_barrier_forced_choice;
OMPI_COMP_EXPORT extern int mca_coll_tuned_bcast_forced_choice;
OMPI_COMP_EXPORT extern int mca_coll_tuned_bcast_forced_segsize;
OMPI_COMP_EXPORT extern int mca_coll_tuned_bcast_forced_tree_fanout;
OMPI_COMP_EXPORT extern int mca_coll_tuned_bcast_forced_chain_fanout;
OMPI_COMP_EXPORT extern int mca_coll_tuned_reduce_forced_choice;
OMPI_COMP_EXPORT extern int mca_coll_tuned_reduce_forced_segsize;
OMPI_COMP_EXPORT extern int mca_coll_tuned_reduce_forced_tree_fanout;
OMPI_COMP_EXPORT extern int mca_coll_tuned_reduce_forced_chain_fanout;
/*
* coll API functions
*/
/* API functions */
int mca_coll_tuned_init_query(bool enable_progress_threads,
bool enable_mpi_threads);
const struct mca_coll_base_module_1_0_0_t *
mca_coll_tuned_comm_query(struct ompi_communicator_t *comm, int *priority,
struct mca_coll_base_comm_t **data);
const struct mca_coll_base_module_1_0_0_t *
mca_coll_tuned_module_init(struct ompi_communicator_t *comm);
int mca_coll_tuned_module_finalize(struct ompi_communicator_t *comm);
/* API functions of decision functions and any implementations */
/*
* Note this gets long as we have to have a prototype for each
* MPI collective 4 times.. 2 for the comm type and 2 for each decision
* type.
* we might cut down the decision prototypes by conditional compiling
*/
int mca_coll_tuned_allgather_intra_dec_fixed(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void *rbuf, int rcount,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_allgather_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);
int mca_coll_tuned_allgather_inter_dec_fixed(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void *rbuf, int rcount,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_allgather_inter_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);
int mca_coll_tuned_allgatherv_intra_dec_fixed(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void * rbuf, int *rcounts, int *disps,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_allgatherv_intra_dec_dynamic(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void * rbuf, int *rcounts, int *disps,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_allgatherv_inter_dec_fixed(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void * rbuf, int *rcounts, int *disps,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_allgatherv_inter_dec_dynamic(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void * rbuf, int *rcounts, int *disps,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_allreduce_intra_dec_fixed(void *sbuf, void *rbuf,
int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_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);
int mca_coll_tuned_allreduce_intra_do_forced(void *sbuf, void *rbuf,
int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_allreduce_intra_check_forced(void);
int mca_coll_tuned_allreduce_intra_query(void);
int mca_coll_tuned_allreduce_intra_nonoverlapping(void *sbuf, void *rbuf,
int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_allreduce_intra_basic_linear(void *sbuf, void *rbuf,
int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_allreduce_inter_dec_fixed(void *sbuf, void *rbuf,
int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_allreduce_inter_dec_dynamic(void *sbuf, void *rbuf,
int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoall_intra_dec_fixed(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void* rbuf, int rcount,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_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);
int mca_coll_tuned_alltoall_intra_do_forced(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void* rbuf, int rcount,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoall_intra_check_forced(void);
int mca_coll_tuned_alltoall_intra_query (void);
int mca_coll_tuned_alltoall_intra_pairwise(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void* rbuf, int rcount,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoall_intra_bruck(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void* rbuf, int rcount,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoall_intra_basic_linear(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void* rbuf, int rcount,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoall_intra_two_procs(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void* rbuf, int rcount,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoall_inter_dec_fixed(void *sbuf, int scount,
struct ompi_datatype_t *sdtype,
void* rbuf, int rcount,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoall_inter_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);
int mca_coll_tuned_alltoallv_intra_dec_fixed(void *sbuf, int *scounts,
int *sdisps,
struct ompi_datatype_t *sdtype,
void *rbuf, int *rcounts, int *rdisps,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoallv_intra_dec_dynamic(void *sbuf, int *scounts,
int *sdisps,
struct ompi_datatype_t *sdtype,
void *rbuf, int *rcounts, int *rdisps,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoallv_inter_dec_fixed(void *sbuf, int *scounts,
int *sdisps,
struct ompi_datatype_t *sdtype,
void *rbuf, int *rcounts, int *rdisps,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoallv_inter_dec_dynamic(void *sbuf, int *scounts,
int *sdisps,
struct ompi_datatype_t *sdtype,
void *rbuf, int *rcounts, int *rdisps,
struct ompi_datatype_t *rdtype,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoallw_intra_dec_fixed(void *sbuf, int *scounts,
int *sdisps,
struct ompi_datatype_t **sdtypes,
void *rbuf, int *rcounts, int *rdisps,
struct ompi_datatype_t **rdtypes,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoallw_intra_dec_dynamic(void *sbuf, int *scounts,
int *sdisps,
struct ompi_datatype_t **sdtypes,
void *rbuf, int *rcounts, int *rdisps,
struct ompi_datatype_t **rdtypes,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoallw_inter_dec_fixed(void *sbuf, int *scounts,
int *sdisps,
struct ompi_datatype_t **sdtypes,
void *rbuf, int *rcounts, int *rdisps,
struct ompi_datatype_t **rdtypes,
struct ompi_communicator_t *comm);
int mca_coll_tuned_alltoallw_inter_dec_dynamic(void *sbuf, int *scounts,
int *sdisps,
struct ompi_datatype_t **sdtypes,
void *rbuf, int *rcounts, int *rdisps,
struct ompi_datatype_t **rdtypes,
struct ompi_communicator_t *comm);
int mca_coll_tuned_barrier_intra_dec_fixed(struct ompi_communicator_t *comm);
int mca_coll_tuned_barrier_intra_dec_dynamic(
struct ompi_communicator_t *comm);
int mca_coll_tuned_barrier_intra_do_forced(struct ompi_communicator_t *comm);
int mca_coll_tuned_barrier_intra_check_forced(void);
int mca_coll_tuned_barrier_intra_query (void);
int mca_coll_tuned_barrier_inter_dec_fixed(struct ompi_communicator_t *comm);
int mca_coll_tuned_barrier_inter_dec_dynamic(
struct ompi_communicator_t *comm);
int mca_coll_tuned_barrier_intra_doublering(struct ompi_communicator_t *comm);
int mca_coll_tuned_barrier_intra_recursivedoubling(struct ompi_communicator_t *comm);
int mca_coll_tuned_barrier_intra_bruck(struct ompi_communicator_t *comm);
int mca_coll_tuned_barrier_intra_two_procs(struct ompi_communicator_t *comm);
int mca_coll_tuned_barrier_intra_linear(struct ompi_communicator_t *comm);
int mca_coll_tuned_bcast_intra_dec_fixed(void *buff, int count,
struct ompi_datatype_t *datatype,
int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_bcast_intra_dec_dynamic(void *buff, int count,
struct ompi_datatype_t *datatype,
int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_bcast_intra_do_forced(void *buff, int count,
struct ompi_datatype_t *datatype,
int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_bcast_intra_check_forced(void);
int mca_coll_tuned_bcast_intra_query (void);
int mca_coll_tuned_bcast_intra_basic_linear(void *buff, int count,
struct ompi_datatype_t *datatype,
int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_bcast_intra_chain(void *buff, int count,
struct ompi_datatype_t *datatype,
int root,
struct ompi_communicator_t *comm,
uint32_t segsize, int32_t chains);
int mca_coll_tuned_bcast_intra_pipeline(void *buff, int count,
struct ompi_datatype_t *datatype,
int root,
struct ompi_communicator_t *comm,
uint32_t segsize);
int mca_coll_tuned_bcast_intra_bmtree(void *buff, int count,
struct ompi_datatype_t *datatype,
int root,
struct ompi_communicator_t *comm,
uint32_t segsize, int32_t chains);
int mca_coll_tuned_bcast_intra_bintree(void *buff, int count,
struct ompi_datatype_t *datatype,
int root,
struct ompi_communicator_t *comm,
uint32_t segsize);
int mca_coll_tuned_bcast_intra_split_bintree(void *buff, int count,
struct ompi_datatype_t *datatype,
int root,
struct ompi_communicator_t *comm,
uint32_t segsize);
int mca_coll_tuned_bcast_inter_dec_fixed(void *buff, int count,
struct ompi_datatype_t *datatype,
int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_bcast_inter_dec_dynamic(void *buff, int count,
struct ompi_datatype_t *datatype,
int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_exscan_intra_dec_fixed(void *sbuf, void *rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_exscan_intra_dec_dynamic(void *sbuf, void *rbuf,
int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_exscan_inter_dec_fixed(void *sbuf, void *rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_exscan_inter_dec_dynamic(void *sbuf, void *rbuf,
int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_gather_intra_dec_fixed(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);
int mca_coll_tuned_gather_intra_dec_dynamic(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);
int mca_coll_tuned_gather_inter_dec_fixed(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);
int mca_coll_tuned_gather_inter_dec_dynamic(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);
int mca_coll_tuned_gatherv_intra_dec_fixed(void *sbuf, int scount,
struct ompi_datatype_t *sdtype, void *rbuf,
int *rcounts, int *disps,
struct ompi_datatype_t *rdtype, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_gatherv_intra_dec_dynamic(void *sbuf, int scount,
struct ompi_datatype_t *sdtype, void *rbuf,
int *rcounts, int *disps,
struct ompi_datatype_t *rdtype, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_gatherv_inter_dec_fixed(void *sbuf, int scount,
struct ompi_datatype_t *sdtype, void *rbuf,
int *rcounts, int *disps,
struct ompi_datatype_t *rdtype, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_gatherv_inter_dec_dynamic(void *sbuf, int scount,
struct ompi_datatype_t *sdtype, void *rbuf,
int *rcounts, int *disps,
struct ompi_datatype_t *rdtype, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_reduce_intra_dec_fixed(void *sbuf, void* rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_reduce_intra_dec_dynamic(void *sbuf, void* rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_reduce_intra_do_forced(void *sbuf, void* rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_reduce_intra_check_forced(void);
int mca_coll_tuned_reduce_intra_query (void);
int mca_coll_tuned_reduce_intra_basic_linear(void *sbuf, void* rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_reduce_intra_chain(void *sbuf, void* rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op, int root,
struct ompi_communicator_t *comm,
uint32_t segsize, int fanout);
int mca_coll_tuned_reduce_intra_pipeline(void *sbuf, void* rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op, int root,
struct ompi_communicator_t *comm,
uint32_t segsize);
int mca_coll_tuned_reduce_inter_dec_fixed(void *sbuf, void* rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_reduce_inter_dec_dynamic(void *sbuf, void* rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_reduce_scatter_intra_dec_fixed(void *sbuf, void *rbuf,
int *rcounts,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_reduce_scatter_intra_dec_dynamic(void *sbuf, void *rbuf,
int *rcounts,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_reduce_scatter_inter_dec_fixed(void *sbuf, void *rbuf,
int *rcounts,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_reduce_scatter_inter_dec_dynamic(void *sbuf, void *rbuf,
int *rcounts,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_scan_intra_dec_fixed(void *sbuf, void *rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_scan_intra_dec_dynamic(void *sbuf, void *rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_scan_inter_dec_fixed(void *sbuf, void *rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_scan_inter_dec_dynamic(void *sbuf, void *rbuf, int count,
struct ompi_datatype_t *dtype,
struct ompi_op_t *op,
struct ompi_communicator_t *comm);
int mca_coll_tuned_scatter_intra_dec_fixed(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);
int mca_coll_tuned_scatter_intra_dec_dynamic(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);
int mca_coll_tuned_scatter_inter_dec_fixed(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);
int mca_coll_tuned_scatter_inter_dec_dynamic(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);
int mca_coll_tuned_scatterv_intra_dec_fixed(void *sbuf, int *scounts,
int *disps,
struct ompi_datatype_t *sdtype,
void* rbuf, int rcount,
struct ompi_datatype_t *rdtype, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_scatterv_intra_dec_dynamic(void *sbuf, int *scounts,
int *disps,
struct ompi_datatype_t *sdtype,
void* rbuf, int rcount,
struct ompi_datatype_t *rdtype, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_scatterv_inter_dec_fixed(void *sbuf, int *scounts,
int *disps,
struct ompi_datatype_t *sdtype,
void* rbuf, int rcount,
struct ompi_datatype_t *rdtype, int root,
struct ompi_communicator_t *comm);
int mca_coll_tuned_scatterv_inter_dec_dynamic(void *sbuf, int *scounts,
int *disps,
struct ompi_datatype_t *sdtype,
void* rbuf, int rcount,
struct ompi_datatype_t *rdtype, int root,
struct ompi_communicator_t *comm);
/* Utility functions */
static inline void mca_coll_tuned_free_reqs(ompi_request_t **reqs, int count)
{
int i;
for (i = 0; i < count; ++i)
ompi_request_free(&reqs[i]);
}
/* decision table declaraion */
/* currently a place holder */
typedef struct rule_s {
} rule_t;
/*
* Data structure for hanging data off the communicator
*/
struct mca_coll_base_comm_t {
/* standard data for requests and PML usage */
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/* Precreate space for requests
* Note this does not effect basic,
* but if in wrong context can confuse a debugger
* this is controlled by an MCA param
*/
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ompi_request_t **mcct_reqs;
int mcct_num_reqs;
/*
* tuned topo information caching per communicator
*
* for each communicator we cache the topo information so we can
* reuse without regenerating if we change the root, [or fanout]
* then regenerate and recache this information
*
*/
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/* general tree with n fan out */
ompi_coll_tree_t *cached_ntree;
int cached_ntree_root;
int cached_ntree_fanout;
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/* binary tree */
ompi_coll_tree_t *cached_bintree;
int cached_bintree_root;
/* binomial tree */
ompi_coll_tree_t *cached_bmtree;
int cached_bmtree_root;
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/* chained tree (fanout followed by pipelines) */
ompi_coll_chain_t *cached_chain;
int cached_chain_root;
int cached_chain_fanout;
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/* pipeline */
ompi_coll_chain_t *cached_pipeline;
int cached_pipeline_root;
/* extra data required by the decision functions */
rule_t* decision_table;
};
#if defined(c_plusplus) || defined(__cplusplus)
}
#endif
#endif /* MCA_COLL_TUNED_EXPORT_H */