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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2013 Mellanox Technologies, Inc.
* All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "oshmem_config.h"
#include "ompi/communicator/communicator.h" /* TODO: ompi_predefined_communicator_t*/
#include "opal/class/opal_object.h"
#include "oshmem/request/request.h"
#include "oshmem/constants.h"
#include "oshmem/proc/proc.h"
opal_pointer_array_t oshmem_request_f_to_c_table = {{0}};
size_t oshmem_request_waiting = 0;
size_t oshmem_request_completed = 0;
opal_mutex_t oshmem_request_lock = {{0}};
opal_condition_t oshmem_request_cond = {{0}};
oshmem_predefined_request_t oshmem_request_null = {{{{{0}}}}};
oshmem_request_t oshmem_request_empty = {{{{0}}}};
oshmem_status_public_t oshmem_status_empty = {0};
oshmem_request_fns_t oshmem_request_functions = {
NULL, /*oshmem_request_default_test,*/
NULL, /*oshmem_request_default_test_any,*/
NULL, /*oshmem_request_default_test_all,*/
NULL, /*oshmem_request_default_test_some,*/
NULL, /*oshmem_request_default_wait,*/
NULL, /*oshmem_request_default_wait_any,*/
NULL, /*oshmem_request_default_wait_all,*/
NULL, /*oshmem_request_default_wait_some*/
};
static void oshmem_request_construct(oshmem_request_t* req)
{
/* don't call _INIT, we don't to set the request to _INACTIVE and there will
* be no matching _FINI invocation */
req->req_state = OSHMEM_REQUEST_INVALID;
req->req_complete = false;
req->req_persistent = false;
req->req_free = NULL;
req->req_cancel = NULL;
req->req_complete_cb = NULL;
req->req_complete_cb_data = NULL;
req->req_f_to_c_index = SHMEM_UNDEFINED;
req->req_shmem_object.comm = (oshmem_group_t*) NULL; /* TODO: Implement*/
}
static void oshmem_request_destruct(oshmem_request_t* req)
{
assert( SHMEM_UNDEFINED == req->req_f_to_c_index);
assert( OSHMEM_REQUEST_INVALID == req->req_state);
}
static int oshmem_request_null_free(oshmem_request_t** request)
{
return OSHMEM_SUCCESS;
}
static int oshmem_request_null_cancel(oshmem_request_t* request, int flag)
{
return OSHMEM_SUCCESS;
}
static int oshmem_request_empty_free(oshmem_request_t** request)
{
*request = &oshmem_request_null.request;
return OSHMEM_SUCCESS;
}
int oshmem_request_persistent_proc_null_free(oshmem_request_t** request)
{
OSHMEM_REQUEST_FINI(*request);
(*request)->req_state = OSHMEM_REQUEST_INVALID;
OBJ_RELEASE(*request);
*request = &oshmem_request_null.request;
return OSHMEM_SUCCESS;
}
/*TODO: define under class oshmem_free_list_item_t */
OBJ_CLASS_INSTANCE( oshmem_request_t,
opal_free_list_item_t,
oshmem_request_construct,
oshmem_request_destruct);
int oshmem_request_init(void)
{
OBJ_CONSTRUCT(&oshmem_request_lock, opal_mutex_t);
OBJ_CONSTRUCT(&oshmem_request_cond, opal_condition_t);
OBJ_CONSTRUCT(&oshmem_request_null, oshmem_request_t);
OBJ_CONSTRUCT(&oshmem_request_f_to_c_table, opal_pointer_array_t);
if (OPAL_SUCCESS
!= opal_pointer_array_init(&oshmem_request_f_to_c_table,
0,
OMPI_FORTRAN_HANDLE_MAX,
64)) {
return OSHMEM_ERROR;
}
oshmem_request_null.request.req_type = OSHMEM_REQUEST_NULL;
oshmem_request_null.request.req_status.SHMEM_SOURCE = SHMEM_PROC_NULL;
oshmem_request_null.request.req_status.SHMEM_ERROR = SHMEM_SUCCESS;
oshmem_request_null.request.req_status._count = 0;
oshmem_request_null.request.req_status._cancelled = 0;
oshmem_request_null.request.req_complete = true;
oshmem_request_null.request.req_state = OSHMEM_REQUEST_INACTIVE;
oshmem_request_null.request.req_persistent = false;
oshmem_request_null.request.req_f_to_c_index =
opal_pointer_array_add(&oshmem_request_f_to_c_table,
&oshmem_request_null);
oshmem_request_null.request.req_free = oshmem_request_null_free;
oshmem_request_null.request.req_cancel = oshmem_request_null_cancel;
oshmem_request_null.request.req_shmem_object.comm =
(oshmem_group_t*) &ompi_mpi_comm_world.comm;
if (0 != oshmem_request_null.request.req_f_to_c_index) {
return OSHMEM_ERR_REQUEST;
}
/* We need a way to distinguish between the user provided
* SHMEM_REQUEST_NULL to SHMEM_Wait* and a non-active (SHMEM_PROC_NULL)
* request passed to any P2P non-blocking function.
*
* The main difference to oshmem_request_null is
* req_state being OSHMEM_REQUEST_ACTIVE, so that SHMEM_Waitall
* does not set the status to oshmem_status_empty and the different
* req_free function, which resets the
* request to SHMEM_REQUEST_NULL.
* The req_cancel function need not be changed.
*/
OBJ_CONSTRUCT(&oshmem_request_empty, oshmem_request_t);
oshmem_request_empty.req_type = OSHMEM_REQUEST_NULL;
oshmem_request_empty.req_status.SHMEM_SOURCE = SHMEM_PROC_NULL;
oshmem_request_empty.req_status.SHMEM_ERROR = SHMEM_SUCCESS;
oshmem_request_empty.req_status._count = 0;
oshmem_request_empty.req_status._cancelled = 0;
oshmem_request_empty.req_complete = true;
oshmem_request_empty.req_state = OSHMEM_REQUEST_ACTIVE;
oshmem_request_empty.req_persistent = false;
oshmem_request_empty.req_f_to_c_index =
opal_pointer_array_add(&oshmem_request_f_to_c_table,
&oshmem_request_empty);
oshmem_request_empty.req_free = oshmem_request_empty_free;
oshmem_request_empty.req_cancel = oshmem_request_null_cancel;
oshmem_request_empty.req_shmem_object.comm =
(oshmem_group_t*) &ompi_mpi_comm_world.comm;
if (1 != oshmem_request_empty.req_f_to_c_index) {
return OSHMEM_ERR_REQUEST;
}
oshmem_status_empty.SHMEM_SOURCE = SHMEM_ANY_SOURCE;
oshmem_status_empty.SHMEM_ERROR = SHMEM_SUCCESS;
oshmem_status_empty._count = 0;
oshmem_status_empty._cancelled = 0;
return OSHMEM_SUCCESS;
}
int oshmem_request_finalize(void)
{
OSHMEM_REQUEST_FINI( &oshmem_request_null.request);
OBJ_DESTRUCT( &oshmem_request_null.request);
OSHMEM_REQUEST_FINI( &oshmem_request_empty);
OBJ_DESTRUCT( &oshmem_request_empty);
OBJ_DESTRUCT( &oshmem_request_cond);
OBJ_DESTRUCT( &oshmem_request_lock);
OBJ_DESTRUCT( &oshmem_request_f_to_c_table);
return OSHMEM_SUCCESS;
}
|
