1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
* 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 "opal/util/output.h"
#include "opal/mca/base/base.h"
#include "opal/mca/base/mca_base_param.h"
#include "ompi/mca/allocator/base/base.h"
#include "mpool_sm.h"
#include "ompi/mca/common/sm/common_sm_mmap.h"
#include "orte/util/proc_info.h"
#include "orte/util/sys_info.h"
/*
* Local functions
*/
static int mca_mpool_sm_open(void);
static mca_mpool_base_module_t* mca_mpool_sm_init(
struct mca_mpool_base_resources_t* resources);
mca_mpool_sm_component_t mca_mpool_sm_component = {
{
/* First, the mca_base_component_t struct containing meta
information about the component itself */
{
/* Indicate that we are a mpool v1.0.0 component (which also
implies a specific MCA version) */
MCA_MPOOL_BASE_VERSION_1_0_0,
"sm", /* MCA component name */
OMPI_MAJOR_VERSION, /* MCA component major version */
OMPI_MINOR_VERSION, /* MCA component minor version */
OMPI_RELEASE_VERSION, /* MCA component release version */
mca_mpool_sm_open, /* component open */
NULL
},
/* Next the MCA v1.0.0 component meta data */
{
/* Whether the component is checkpointable or not */
false
},
mca_mpool_sm_init
}
};
static char* mca_mpool_sm_param_register_string(
const char* param_name,
const char* default_value)
{
char *param_value;
int id = mca_base_param_register_string("mpool","sm",param_name,NULL,default_value);
mca_base_param_lookup_string(id, ¶m_value);
return param_value;
}
static int mca_mpool_sm_param_register_int(
const char* param_name,
int default_value)
{
int id = mca_base_param_register_int("mpool","sm",param_name,NULL,default_value);
int param_value = default_value;
mca_base_param_lookup_int(id,¶m_value);
return param_value;
}
/**
* component open/close/init function
*/
static int mca_mpool_sm_open(void)
{
/* register SM component parameters */
mca_mpool_sm_component.sm_size =
mca_mpool_sm_param_register_int("size", 512*1024*1024);
mca_mpool_sm_component.sm_allocator_name =
mca_mpool_sm_param_register_string("allocator", "bucket");
return OMPI_SUCCESS;
}
static mca_mpool_base_module_t* mca_mpool_sm_init(
struct mca_mpool_base_resources_t* resources)
{
char *file_name;
int len;
mca_mpool_sm_module_t* mpool_module;
mca_allocator_base_component_t* allocator_component;
allocator_component = mca_allocator_component_lookup(
mca_mpool_sm_component.sm_allocator_name);
/* if specified allocator cannout be loaded - look for an alternative */
if(NULL == allocator_component) {
if(opal_list_get_size(&mca_allocator_base_components) == 0) {
mca_base_component_list_item_t* item = (mca_base_component_list_item_t*)
opal_list_get_first(&mca_allocator_base_components);
allocator_component = (mca_allocator_base_component_t*)item->cli_component;
opal_output(0, "mca_mpool_sm_init: unable to locate allocator: %s - using %s\n",
mca_mpool_sm_component.sm_allocator_name, allocator_component->allocator_version.mca_component_name);
} else {
opal_output(0, "mca_mpool_sm_init: unable to locate allocator: %s\n",
mca_mpool_sm_component.sm_allocator_name);
return NULL;
}
}
mpool_module = (mca_mpool_sm_module_t*)malloc(sizeof(mca_mpool_sm_module_t));
mca_mpool_sm_module_init(mpool_module);
/* create initial shared memory mapping */
len = asprintf( &file_name, "%sshared_mem_pool.%s",
orte_process_info.job_session_dir,
orte_system_info.nodename );
if ( 0 > len ) {
return NULL;
}
if(NULL ==
(mca_common_sm_mmap =
mca_common_sm_mmap_init(mca_mpool_sm_component.sm_size,
file_name,sizeof(mca_common_sm_mmap_t), 8 )
))
{
opal_output(0, "mca_mpool_sm_init: unable to create shared memory mapping (%s)", file_name);
free(file_name);
return NULL;
}
free(file_name);
/* setup function pointers */
/* setup allocator TODO fix up */
mpool_module->sm_allocator =
allocator_component->allocator_init(true,
mca_common_sm_mmap_seg_alloc, NULL, NULL);
if(NULL == mpool_module->sm_allocator) {
opal_output(0, "mca_mpool_sm_init: unable to initialize allocator");
return NULL;
}
return &mpool_module->super;
}
|
