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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
|
/*
* 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 (c) 2006 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2007-2008 Sun Microsystems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "opal/mca/base/mca_base_param.h"
#include "btl_udapl.h"
#include "btl_udapl_mca.h"
#include <string.h>
/*
* Utility routine for string parameter registration.
*
* @param param_name (IN) MCA parameter name
* @param param_desc (IN) MCA parameter description
* @param default_value (IN) MCA parameter default value
* @param out_value (OUT) value of MCA parameter; either default,
* or value as determined from typical
* MCA parameter setting methods
* @param flags (IN) MCA parameter boundary flag
* @return OMPI_SUCCESS or OMPI_ERR_BAD_PARAM
*/
static inline int mca_btl_udapl_reg_string(const char* param_name,
const char* param_desc,
const char* default_value,
char **out_value, int flags)
{
char *value;
mca_base_param_reg_string(&mca_btl_udapl_component.super.btl_version,
param_name, param_desc, false, false, default_value, &value);
if (NULL == value && !((flags & REGSTR_EMPTY_OK) == REGSTR_EMPTY_OK)) {
BTL_ERROR(("ERROR: MCA Parameter %s : Value (NULL) out of range : "
"Default value (%s)\n \t Parameter Description : %s",
param_name, default_value, param_desc));
return OMPI_ERR_BAD_PARAM;
}
if ((flags & REGSTR_EMPTY_NOT_OK) && 0 == strlen(value)) {
BTL_ERROR(("ERROR: MCA Parameter %s : Value (%s) out of range : "
"Default value (%s)\n \t Parameter Description : %s",
param_name, value, default_value, param_desc));
return OMPI_ERR_BAD_PARAM;
}
*out_value = value;
return OMPI_SUCCESS;
}
/*
* Utility routine for integer parameter registration.
*
* @param param_name (IN) MCA parameter name
* @param param_desc (IN) MCA parameter description
* @param default_value (IN) MCA parameter default value
* @param out_value (OUT) value of MCA parameter; either default,
* or value as determined from typical
* MCA parameter setting methods
* @param flags (IN) MCA parameter boundary flag
* @return OMPI_SUCCESS or OMPI_ERR_BAD_PARAM
*/
static inline int mca_btl_udapl_reg_int(const char* param_name,
const char* param_desc,
int default_value, int *out_value,
int flags)
{
int value;
mca_base_param_reg_int(&mca_btl_udapl_component.super.btl_version,
param_name, param_desc, false, false, default_value, &value);
if ((flags & REGINT_NEG_ONE_OK) && -1 == value) {
*out_value = value;
return OMPI_SUCCESS;
}
if (((flags & REGINT_GE_ZERO) && value < 0) ||
((flags & REGINT_GE_ONE) && value < 1) ||
((flags & REGINT_NONZERO) && 0 == value)) {
BTL_ERROR(("ERROR: MCA Parameter %s : Value (%d) out of range : "
"Default value (%d)\n \t Parameter Description : %s\n",
param_name, value, default_value, param_desc));
return OMPI_ERR_BAD_PARAM;
}
*out_value = value;
return OMPI_SUCCESS;
}
/*
* Register and check all MCA parameters
*
* @return OMPI_SUCCESS or OMPI_ERR_BAD_PARAM
*/
int mca_btl_udapl_register_mca_params(void)
{
int ival, rc, tmp_rc;
rc = OMPI_SUCCESS;
/* register uDAPL component parameters */
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("free_list_num",
"Initial size of free lists (must be >= 1).",
8,
&mca_btl_udapl_component.udapl_free_list_num,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("free_list_max",
"Maximum size of free lists "
"(-1 = infinite, otherwise must be >= 1).",
-1,
&mca_btl_udapl_component.udapl_free_list_max,
REGINT_NEG_ONE_OK | REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("free_list_inc",
"Increment size of free lists (must be >= 1).",
8,
&mca_btl_udapl_component.udapl_free_list_inc,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_string("mpool",
"Name of the memory pool to be used.",
"rdma",
&mca_btl_udapl_component.udapl_mpool_name,
REGSTR_EMPTY_NOT_OK), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("max_modules",
"Maximum number of supported HCAs.",
8,
&ival,
REGINT_GE_ONE), tmp_rc, rc);
mca_btl_udapl_component.udapl_max_btls = (uint32_t) ival;
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("num_recvs",
"Total number of receive buffers to keep posted "
"per endpoint (must be >= 1).",
8,
&mca_btl_udapl_component.udapl_num_recvs,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("num_sends",
"Maximum number of sends to post on an endpoint "
"(must be >= 1).",
7,
&mca_btl_udapl_component.udapl_num_sends,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("sr_win",
"Window size at which point an explicit "
"credit message will be generated (must be >= 1).",
4,
&mca_btl_udapl_component.udapl_sr_win,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("use_eager_rdma",
"Use of RDMA for small messages : "
"1 = default, use RDMA for small messages; "
"0 = do not use RDMA for small messages. ",
1,
&mca_btl_udapl_component.udapl_use_eager_rdma,
REGINT_GE_ZERO), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("eager_rdma_num",
"Number of RDMA buffers to allocate "
"for small messages (must be >= 1).",
32,
&mca_btl_udapl_component.udapl_eager_rdma_num,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("max_eager_rdma_peers",
"Maximum number of peers allowed to use "
"RDMA for short messages (independently RDMA will "
"still be used for large messages, (must be >= 0; "
"if zero then RDMA will not be used for short messages).",
16,
&mca_btl_udapl_component.udapl_max_eager_rdma_peers,
REGINT_GE_ZERO), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("eager_rdma_win",
"Window size at which point an explicit "
"credit message will be generated (must be >= 1).",
28,
&mca_btl_udapl_component.udapl_eager_rdma_win,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("timeout",
"Connection timeout, in microseconds.",
MCA_BTL_UDAPL_CONN_TIMEOUT_DEFAULT,
&ival,
REGINT_GE_ONE), tmp_rc, rc);
mca_btl_udapl_component.udapl_timeout = (uint32_t) ival;
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("conn_priv_data",
"Use connect private data to establish connections "
"(not supported by all uDAPL implementations).",
0,
&mca_btl_udapl_component.udapl_conn_priv_data,
REGINT_GE_ZERO), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("async_events",
"The asynchronous event queue will only be "
"checked after entering progress this number of times.",
100000000,
&mca_btl_udapl_component.udapl_async_events,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("buffer_alignment",
"Preferred communication buffer alignment, "
"in bytes (must be >= 1).",
DAT_OPTIMAL_ALIGNMENT,
&mca_btl_udapl_component.udapl_buffer_alignment,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_string("if_include",
"Comma-delimited list of interfaces to be included "
"(e.g. \"ibd0,ibd1 or OpenIB-cma,OpenIB-cma-1\"; empty value means "
"to use all interfaces found). Mutually exclusive with "
"btl_udapl_if_exclude.",
NULL, &mca_btl_udapl_component.if_include,
REGSTR_EMPTY_OK), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_string("if_exclude",
"Comma-delimited list of interfaces to be excluded from use "
"(e.g. \"ibd0,ibd1 or OpenIB-cma,OpenIB-cma-1\"; empty value means "
"not to exclude any). Mutually exclusive with btl_udapl_if_include.",
NULL, &mca_btl_udapl_component.if_exclude,
REGSTR_EMPTY_OK), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("verbose",
"Verbosity level of the uDAPL BTL (-1 thru 100)",
VERBOSE_SHOW_HELP,
&(mca_btl_udapl_component.udapl_verbosity),
REGINT_NEG_ONE_OK), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("compare_subnet",
"By default uDAPL BTL will compare subnets using netmask to "
"determine if an interface is reachable. Setting this parameter to "
"0 will essentially turn this comparison off and the uDAPL BTL will "
"assume all uDAPL interfaces are reachable (0 or 1, default==1).",
1,
&(mca_btl_udapl_component.udapl_compare_subnet),
REGINT_GE_ZERO), tmp_rc, rc);
/* register uDAPL module parameters */
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("async_evd_qlen",
"The asynchronous event dispatcher queue length.",
MCA_BTL_UDAPL_ASYNC_EVD_QLEN_DEFAULT,
(int*)&mca_btl_udapl_module.udapl_async_evd_qlen,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("conn_evd_qlen",
"The connection event dispatcher queue length is "
"a function of the number of connections expected.",
MCA_BTL_UDAPL_CONN_EVD_QLEN_DEFAULT,
(int*)&mca_btl_udapl_module.udapl_conn_evd_qlen,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("dto_evd_qlen",
"The data transfer operation event dispatcher queue length is "
"a function of the number of connections as well as the "
"maximum number of outstanding data transfer operations.",
MCA_BTL_UDAPL_DTO_EVD_QLEN_DEFAULT,
(int*)&mca_btl_udapl_module.udapl_dto_evd_qlen,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("max_request_dtos",
"Maximum number of outstanding "
"submitted sends and rdma operations per endpoint, (see Section "
"6.6.6 of uDAPL Spec.).",
MCA_BTL_UDAPL_MAX_REQUEST_DTOS_DEFAULT,
(int*)&mca_btl_udapl_module.udapl_max_request_dtos,
REGINT_GE_ONE), tmp_rc, rc);
CHECK_PARAM_REGISTER_RETURN_VALUE(mca_btl_udapl_reg_int("max_recv_dtos",
"Maximum number of outstanding "
"submitted receive operations per endpoint, (see Section "
"6.6.6 of uDAPL Spec.).",
MCA_BTL_UDAPL_MAX_RECV_DTOS_DEFAULT,
(int*)&mca_btl_udapl_module.udapl_max_recv_dtos,
REGINT_GE_ONE), tmp_rc, rc);
mca_btl_udapl_module.super.btl_exclusivity =
MCA_BTL_EXCLUSIVITY_DEFAULT - 10;
mca_btl_udapl_module.super.btl_eager_limit = 8*1024;
mca_btl_udapl_module.super.btl_rndv_eager_limit = 8*1024;
mca_btl_udapl_module.super.btl_max_send_size = 64*1024;
mca_btl_udapl_module.super.btl_rdma_pipeline_send_length = 512*1024;
mca_btl_udapl_module.super.btl_rdma_pipeline_frag_size = 128 * 1024;
mca_btl_udapl_module.super.btl_min_rdma_pipeline_size = 0;
mca_btl_udapl_module.super.btl_flags = MCA_BTL_FLAGS_PUT | MCA_BTL_FLAGS_SEND;
mca_btl_udapl_module.super.btl_bandwidth = 225;
mca_btl_udapl_module.super.btl_latency = 0;
mca_btl_base_param_register(&mca_btl_udapl_component.super.btl_version,
&mca_btl_udapl_module.super);
return rc;
}
|
