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
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
|
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2016 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) 2008-2019 University of Houston. All rights reserved.
* Copyright (c) 2017-2018 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/communicator/communicator.h"
#include "ompi/info/info.h"
#include "ompi/file/file.h"
#include "ompi/mca/fs/fs.h"
#include "ompi/mca/fs/base/base.h"
#include "ompi/mca/fcoll/fcoll.h"
#include "ompi/mca/fcoll/base/base.h"
#include "ompi/mca/fbtl/fbtl.h"
#include "ompi/mca/fbtl/base/base.h"
#include "io_ompio.h"
#include "ompi/mca/common/ompio/common_ompio_request.h"
#include "math.h"
#include <unistd.h>
/* Read and write routines are split into two interfaces.
** The
** mca_io_ompio_file_read/write[_at]
**
** routines are the ones registered with the ompio modules.
** The
**
** ompio_io_ompio_file_read/write[_at]
**
** routesin are used e.g. from the shared file pointer modules.
** The main difference is, that the first one takes an ompi_file_t
** as a file pointer argument, while the second uses the ompio internal
** ompio_file_t structure.
*/
int mca_io_ompio_file_read (ompi_file_t *fp,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t *status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fp->f_io_selected_data;
OPAL_THREAD_LOCK(&fp->f_lock);
ret = mca_common_ompio_file_read(&data->ompio_fh,buf,count,datatype,status);
OPAL_THREAD_UNLOCK(&fp->f_lock);
return ret;
}
int mca_io_ompio_file_read_at (ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t * status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_read_at(&data->ompio_fh, offset,buf,count,datatype,status);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
int mca_io_ompio_file_iread (ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_iread(&data->ompio_fh,buf,count,datatype,request);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
int mca_io_ompio_file_iread_at (ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_iread_at(&data->ompio_fh,offset,buf,count,datatype,request);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
/* Infrastructure for collective operations */
/******************************************************/
int mca_io_ompio_file_read_all (ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t * status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_read_all (&data->ompio_fh,
buf,
count,
datatype,
status);
OPAL_THREAD_UNLOCK(&fh->f_lock);
if ( MPI_STATUS_IGNORE != status ) {
size_t size;
opal_datatype_type_size (&datatype->super, &size);
status->_ucount = count * size;
}
return ret;
}
int mca_io_ompio_file_iread_all (ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data=NULL;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_iread_all (&data->ompio_fh,
buf,
count,
datatype,
request);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
int mca_io_ompio_file_read_at_all (ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t * status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_read_at_all(&data->ompio_fh,offset,buf,count,datatype,status);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
int mca_io_ompio_file_iread_at_all (ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_iread_at_all ( &data->ompio_fh, offset, buf, count, datatype, request );
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
/* Infrastructure for shared file pointer operations
** (individual and ordered)*/
/******************************************************/
int mca_io_ompio_file_read_shared (ompi_file_t *fp,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t * status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *fh;
mca_sharedfp_base_module_t * shared_fp_base_module;
data = (mca_common_ompio_data_t *) fp->f_io_selected_data;
fh = &data->ompio_fh;
/*get the shared fp module associated with this file*/
shared_fp_base_module = (mca_sharedfp_base_module_t *)(fh->f_sharedfp);
if ( NULL == shared_fp_base_module ){
opal_output(0, "No shared file pointer component found for the given communicator. Can not execute\n");
return OMPI_ERROR;
}
OPAL_THREAD_LOCK(&fp->f_lock);
ret = shared_fp_base_module->sharedfp_read(fh,buf,count,datatype,status);
OPAL_THREAD_UNLOCK(&fp->f_lock);
return ret;
}
int mca_io_ompio_file_iread_shared (ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_request_t **request)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *ompio_fh;
mca_sharedfp_base_module_t * shared_fp_base_module;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
ompio_fh = &data->ompio_fh;
/*get the shared fp module associated with this file*/
shared_fp_base_module = (mca_sharedfp_base_module_t *)(ompio_fh->f_sharedfp);
if ( NULL == shared_fp_base_module ){
opal_output(0, "No shared file pointer component found for the given communicator. Can not execute\n");
return OMPI_ERROR;
}
OPAL_THREAD_LOCK(&fh->f_lock);
ret = shared_fp_base_module->sharedfp_iread(ompio_fh,buf,count,datatype,request);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
int mca_io_ompio_file_read_ordered (ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype,
ompi_status_public_t * status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *ompio_fh;
mca_sharedfp_base_module_t * shared_fp_base_module;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
ompio_fh = &data->ompio_fh;
/*get the shared fp module associated with this file*/
shared_fp_base_module = (mca_sharedfp_base_module_t *)(ompio_fh->f_sharedfp);
if ( NULL == shared_fp_base_module ){
opal_output(0, "No shared file pointer component found for the given communicator. Can not execute\n");
return OMPI_ERROR;
}
OPAL_THREAD_LOCK(&fh->f_lock);
ret = shared_fp_base_module->sharedfp_read_ordered(ompio_fh,buf,count,datatype,status);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
int mca_io_ompio_file_read_ordered_begin (ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *ompio_fh;
mca_sharedfp_base_module_t * shared_fp_base_module;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
ompio_fh = &data->ompio_fh;
/*get the shared fp module associated with this file*/
shared_fp_base_module = ompio_fh->f_sharedfp;
if ( NULL == shared_fp_base_module ){
opal_output(0, "No shared file pointer component found for the given communicator. Can not execute\n");
return OMPI_ERROR;
}
OPAL_THREAD_LOCK(&fh->f_lock);
ret = shared_fp_base_module->sharedfp_read_ordered_begin(ompio_fh,buf,count,datatype);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
int mca_io_ompio_file_read_ordered_end (ompi_file_t *fh,
void *buf,
ompi_status_public_t * status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *ompio_fh;
mca_sharedfp_base_module_t * shared_fp_base_module;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
ompio_fh = &data->ompio_fh;
/*get the shared fp module associated with this file*/
shared_fp_base_module = ompio_fh->f_sharedfp;
if ( NULL == shared_fp_base_module ){
opal_output(0, "No shared file pointer component found for the given communicator. Can not execute\n");
return OMPI_ERROR;
}
OPAL_THREAD_LOCK(&fh->f_lock);
ret = shared_fp_base_module->sharedfp_read_ordered_end(ompio_fh,buf,status);
OPAL_THREAD_UNLOCK(&fh->f_lock);
return ret;
}
/* Split collectives . Not really used but infrastructure is in place */
/**********************************************************************/
int mca_io_ompio_file_read_all_begin (ompi_file_t *fh,
void *buf,
int count,
struct ompi_datatype_t *datatype)
{
int ret = OMPI_SUCCESS;
ompio_file_t *fp;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
fp = &data->ompio_fh;
if ( true == fp->f_split_coll_in_use ) {
printf("Only one split collective I/O operation allowed per file handle at any given point in time!\n");
return MPI_ERR_OTHER;
}
/* No need for locking fh->f_lock, that is done in file_iread_all */
ret = mca_io_ompio_file_iread_all ( fh, buf, count, datatype, &fp->f_split_coll_req );
fp->f_split_coll_in_use = true;
return ret;
}
int mca_io_ompio_file_read_all_end (ompi_file_t *fh,
void *buf,
ompi_status_public_t * status)
{
int ret = OMPI_SUCCESS;
ompio_file_t *fp;
mca_common_ompio_data_t *data;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
fp = &data->ompio_fh;
ret = ompi_request_wait ( &fp->f_split_coll_req, status );
/* remove the flag again */
fp->f_split_coll_in_use = false;
return ret;
}
int mca_io_ompio_file_read_at_all_begin (ompi_file_t *fh,
OMPI_MPI_OFFSET_TYPE offset,
void *buf,
int count,
struct ompi_datatype_t *datatype)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *fp=NULL;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
fp = &data->ompio_fh;
if ( true == fp->f_split_coll_in_use ) {
printf("Only one split collective I/O operation allowed per file handle at any given point in time!\n");
return MPI_ERR_REQUEST;
}
OPAL_THREAD_LOCK(&fh->f_lock);
ret = mca_common_ompio_file_iread_at_all ( fp, offset, buf, count, datatype, &fp->f_split_coll_req );
OPAL_THREAD_UNLOCK(&fh->f_lock);
fp->f_split_coll_in_use = true;
return ret;
}
int mca_io_ompio_file_read_at_all_end (ompi_file_t *fh,
void *buf,
ompi_status_public_t * status)
{
int ret = OMPI_SUCCESS;
mca_common_ompio_data_t *data;
ompio_file_t *fp=NULL;
data = (mca_common_ompio_data_t *) fh->f_io_selected_data;
fp = &data->ompio_fh;
ret = ompi_request_wait ( &fp->f_split_coll_req, status );
/* remove the flag again */
fp->f_split_coll_in_use = false;
return ret;
}
|
