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coll_tuned_dynamic_rules.h
1
2 /*
3 * Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
4 * University Research and Technology
5 * Corporation. All rights reserved.
6 * Copyright (c) 2004-2005 The University of Tennessee and The University
7 * of Tennessee Research Foundation. All rights
8 * reserved.
9 * Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
10 * University of Stuttgart. All rights reserved.
11 * Copyright (c) 2004-2005 The Regents of the University of California.
12 * All rights reserved.
13 * Copyright (c) 2011-2012 FUJITSU LIMITED. All rights reserved.
14 * $COPYRIGHT$
15 *
16 * Additional copyrights may follow
17 *
18 * $HEADER$
19 */
20
21 #ifndef MCA_COLL_TUNED_DYNAMIC_RULES_H_HAS_BEEN_INCLUDED
22 #define MCA_COLL_TUNED_DYNAMIC_RULES_H_HAS_BEEN_INCLUDED
23
24 #include "ompi_config.h"
25
26 BEGIN_C_DECLS
27
28
29 typedef struct msg_rule_s {
30 /* paranoid / debug */
31 int mpi_comsize; /* which MPI comm size this is is for */
32
33 /* paranoid / debug */
34 int alg_rule_id; /* unique alg rule id */
35 int com_rule_id; /* unique com rule id */
36 int msg_rule_id; /* unique msg rule id */
37
38 /* RULE */
39 size_t msg_size; /* message size */
40
41 /* RESULT */
42 int result_alg; /* result algorithm to use */
43 int result_topo_faninout; /* result topology fan in/out to use (if applicable) */
44 long result_segsize; /* result segment size to use */
45 int result_max_requests; /* maximum number of outstanding requests (if applicable) */
46 } ompi_coll_msg_rule_t;
47
48
49 typedef struct com_rule_s {
50 /* paranoid / debug */
51 int mpi_comsize; /* which MPI comm size this is is for */
52
53 /* paranoid / debug */
54 int alg_rule_id; /* unique alg rule id */
55 int com_rule_id; /* unique com rule id */
56
57 /* RULE */
58 int n_msg_sizes;
59 ompi_coll_msg_rule_t *msg_rules;
60
61 } ompi_coll_com_rule_t;
62
63
64 typedef struct alg_rule_s {
65 /* paranoid / debug */
66 int alg_rule_id; /* unique alg rule id */
67
68 /* RULE */
69 int n_com_sizes;
70 ompi_coll_com_rule_t *com_rules;
71
72 } ompi_coll_alg_rule_t;
73
74 /* function prototypes */
75
76 /* these are used to build the rule tables (by the read file routines) */
77 ompi_coll_alg_rule_t* ompi_coll_tuned_mk_alg_rules (int n_alg);
78 ompi_coll_com_rule_t* ompi_coll_tuned_mk_com_rules (int n_com_rules, int alg_rule_id);
79 ompi_coll_msg_rule_t* ompi_coll_tuned_mk_msg_rules (int n_msg_rules, int alg_rule_id, int com_rule_id, int mpi_comsize);
80
81 /* debugging support */
82 int ompi_coll_tuned_dump_msg_rule (ompi_coll_msg_rule_t* msg_p);
83 int ompi_coll_tuned_dump_com_rule (ompi_coll_com_rule_t* com_p);
84 int ompi_coll_tuned_dump_alg_rule (ompi_coll_alg_rule_t* alg_p);
85 int ompi_coll_tuned_dump_all_rules (ompi_coll_alg_rule_t* alg_p, int n_rules);
86
87 /* free alloced memory routines, used by file and tuned component/module */
88 int ompi_coll_tuned_free_msg_rules_in_com_rule (ompi_coll_com_rule_t* com_p);
89 int ompi_coll_tuned_free_coms_in_alg_rule (ompi_coll_alg_rule_t* alg_p);
90 int ompi_coll_tuned_free_all_rules (ompi_coll_alg_rule_t* alg_p, int n_algs);
91
92
93 /* the IMPORTANT routines, i.e. the ones that do stuff for everyday communicators and collective calls */
94
95 ompi_coll_com_rule_t* ompi_coll_tuned_get_com_rule_ptr (ompi_coll_alg_rule_t* rules, int alg_id, int mpi_comsize);
96
97 int ompi_coll_tuned_get_target_method_params (ompi_coll_com_rule_t* base_com_rule, size_t mpi_msgsize,
98 int* result_topo_faninout, int* result_segsize,
99 int* max_requests);
100
101
102 END_C_DECLS
103 #endif /* MCA_COLL_TUNED_DYNAMIC_RULES_H_HAS_BEEN_INCLUDED */
104
alg_rule_s
Definition: coll_tuned_dynamic_rules.h:64
com_rule_s
Definition: coll_tuned_dynamic_rules.h:49
msg_rule_s
Definition: coll_tuned_dynamic_rules.h:29