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
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
|
<html><head><title>
HDF5 Legacy API Equivalence
</title></head><body>
<center>
<h1>HDF5: API Mapping to legacy APIs</h1>
</center>
<table border=1 cellpadding=2 cellspacing=0>
<tr>
<th>Functionality</th>
<th>netCDF</th>
<th>SD</th>
<th>AIO</th>
<th>HDF5</th>
<th>Comments</th>
</tr>
<tr align=center>
<td>Open existing file for read/write</td>
<td>ncopen</td>
<td>SDstart</td>
<td>AIO_open</td>
<td>H5Fopen</td>
</tr>
<tr align=center>
<td>Creates new file for read/write.</td>
<td>nccreate</td>
<td><hr></td>
<td><hr></td>
<td>H5Fcreate</td>
<td>SD API handles this with SDopen</td>
</tr>
<tr align=center>
<td>Close file</td>
<td>ncclose</td>
<td>SDend</td>
<td>AIO_close</td>
<td>H5Fclose</td>
</tr>
<tr align=center>
<td>Redefine parameters</td>
<td>ncredef</td>
<td><hr></td>
<td><hr></td>
<td><hr></td>
<td>Unneccessary under SD & HDF5 data-models</td>
</tr>
<tr align=center>
<td>End "define" mode</td>
<td>ncendef</td>
<td><hr></td>
<td><hr></td>
<td><hr></td>
<td>Unneccessary under SD & HDF5 data-models</td>
</tr>
<tr align=center>
<td>Query the number of datasets, dimensions and attributes in a file</td>
<td>ncinquire</td>
<td>SDfileinfo</td>
<td><hr></td>
<td>H5Dget_info<br>H5Rget_num_relations<br>H5Gget_num_contents</td>
<td>HDF5 interface is more granular and flexible</td>
</tr>
<tr align=center>
<td>Update a writeable file with current changes</td>
<td>ncsync</td>
<td><hr></td>
<td>AIO_flush</td>
<td>H5Mflush</td>
<td>HDF5 interface is more flexible because it can be applied to parts of the
file hierarchy instead of the whole file at once. The SD interface does not
have this feature, although most of the lower HDF library supports it.</td>
</tr>
<tr align=center>
<td>Close file access without applying recent changes</td>
<td>ncabort</td>
<td><hr></td>
<td><hr></td>
<td><hr></td>
<td>How useful is this feature?</td>
</tr>
<tr align=center>
<td>Create new dimension</td>
<td>ncdimdef</td>
<td>SDsetdimname</td>
<td><hr></td>
<td>H5Mcreate</td>
<td>SD interface actually creates dimensions with datasets, this just allows
naming them</td>
</tr>
<tr align=center>
<td>Get ID of existing dimension</td>
<td>ncdimid</td>
<td>SDgetdimid</td>
<td><hr></td>
<td>H5Maccess</td>
<td>SD interface looks up dimensions by index and the netCDF interface uses
names, but they are close enough. The HDF5 interface does not current allow
access to particular dimensions, only the dataspace as a whole.</td>
</tr>
<tr align=center>
<td>Get size & name of dimension</td>
<td>ncdiminq</td>
<td>SDdiminfo</td>
<td><hr></td>
<td>H5Mget_name<br>H5Sget_lrank</td>
<td>Only a rough match</td>
</tr>
<tr align=center>
<td>Rename dimension</td>
<td>ncdimrename</td>
<td>SDsetdimname</td>
<td><hr></td>
<td>H5Mset_name</td>
<td></td>
</tr>
<tr align=center>
<td>Create a new dataset</td>
<td>ncvardef</td>
<td>SDcreate</td>
<td>AIO_mkarray</td>
<td>H5Mcreate</td>
<td></td>
</tr>
<tr align=center>
<td>Attach to an existing dataset</td>
<td>ncvarid</td>
<td>SDselect</td>
<td>AIO_arr_load</td>
<td>H5Maccess</td>
<td></td>
</tr>
<tr align=center>
<td>Get basic information about a dataset</td>
<td>ncvarinq</td>
<td>SDgetinfo</td>
<td>AIO_arr_get_btype<br>AIO_arr_get_nelmts<br>AIO_arr_get_nbdims<br>AIO_arr_get_bdims<br>AIO_arr_get_slab</td>
<td>H5Dget_info</td>
<td>All interfaces have different levels of information that they return, some
use of auxilliary functions is required to get equivalent amount of information</td>
</tr>
<tr align=center>
<td>Write a single value to a dataset</td>
<td>ncvarput1</td>
<td>SDwritedata</td>
<td>AIO_write</td>
<td>H5Dwrite</td>
<td>What is this useful for?</td>
</tr>
<tr align=center>
<td>Read a single value from a dataset</td>
<td>ncvarget1</td>
<td>SDreaddata</td>
<td>AIO_read</td>
<td>H5Dread</td>
<td>What is this useful for?</td>
</tr>
<tr align=center>
<td>Write a solid hyperslab of data (i.e. subset) to a dataset</td>
<td>ncvarput</td>
<td>SDwritedata</td>
<td>AIO_write</td>
<td>H5Dwrite</td>
<td></td>
</tr>
<tr align=center>
<td>Read a solid hyperslab of data (i.e. subset) from a dataset</td>
<td>ncvarget</td>
<td>SDreaddata</td>
<td>AIO_read</td>
<td>H5Dread</td>
<td></td>
</tr>
<tr align=center>
<td>Write a general hyperslab of data (i.e. possibly subsampled) to a dataset</td>
<td>ncvarputg</td>
<td>SDwritedata</td>
<td>AIO_write</td>
<td>H5Dwrite</td>
<td></td>
</tr>
<tr align=center>
<td>Read a general hyperslab of data (i.e. possibly subsampled) from a dataset</td>
<td>ncvargetg</td>
<td>SDreaddata</td>
<td>AIO_read</td>
<td>H5Dread</td>
<td></td>
</tr>
<tr align=center>
<td>Rename a dataset variable</td>
<td>ncvarrename</td>
<td><hr></td>
<td><hr></td>
<td>H5Mset_name</td>
<td></td>
</tr>
<tr align=center>
<td>Add an attribute to a dataset</td>
<td>ncattput</td>
<td>SDsetattr</td>
<td><hr></td>
<td>H5Rattach_oid</td>
<td>HDF5 requires creating a seperate object to attach to a dataset, but it also
allows objects to be attributes of any other object, even nested.</td>
</tr>
<tr align=center>
<td>Get attribute information</td>
<td>ncattinq</td>
<td>SDattrinfo</td>
<td><hr></td>
<td>H5Dget_info</td>
<td>HDF5 has no specific function for attributes, they are treated as all other
objects in the file.</td>
</tr>
<tr align=center>
<td>Retrieve attribute for a dataset</td>
<td>ncattget</td>
<td>SDreadattr</td>
<td><hr></td>
<td>H5Dread</td>
<td>HDF5 uses general dataset I/O for attributes.</td>
</tr>
<tr align=center>
<td>Copy attribute from one dataset to another</td>
<td>ncattcopy</td>
<td><hr></td>
<td><hr></td>
<td><hr></td>
<td>What is this used for?</td>
</tr>
<tr align=center>
<td>Get name of attribute</td>
<td>ncattname</td>
<td>SDattrinfo</td>
<td><hr></td>
<td>H5Mget_name</td>
<td></td>
</tr>
<tr align=center>
<td>Rename attribute</td>
<td>ncattrename</td>
<td><hr></td>
<td><hr></td>
<td>H5Mset_name</td>
<td></td>
</tr>
<tr align=center>
<td>Delete attribute</td>
<td>ncattdel</td>
<td><hr></td>
<td><hr></td>
<td>H5Mdelete</td>
<td>This can be faked in current HDF interface with lower-level calls</td>
</tr>
<tr align=center>
<td>Compute # of bytes to store a number-type</td>
<td>nctypelen</td>
<td>DFKNTsize</td>
<td><hr></td>
<td><hr></td>
<td>Hmm, the HDF5 Datatype interface needs this functionality.</td>
</tr>
<tr align=center>
<td>Indicate that fill-values are to be written to dataset</td>
<td>ncsetfill</td>
<td>SDsetfillmode</td>
<td><hr></td>
<td><hr></td>
<td>HDF5 Datatype interface should work on this functionality</td>
</tr>
<tr align=center>
<td>Get information about "record" variables (Those datasets which share the
same unlimited dimension</td>
<td>ncrecinq</td>
<td><hr></td>
<td><hr></td>
<td><hr></td>
<td>This should probably be wrapped in a higher layer interface, if it's
needed for HDF5.</td>
</tr>
<tr align=center>
<td>Get a record from each dataset sharing the unlimited dimension</td>
<td>ncrecget</td>
<td><hr></td>
<td><hr></td>
<td><hr></td>
<td>This is somewhat equivalent to reading a vdata with non-interlaced
fields, only in a dataset oriented way. This should also be wrapped in a
higher layer interface if it's necessary for HDF5.</td>
</tr>
<tr align=center>
<td>Put a record from each dataset sharing the unlimited dimension</td>
<td>ncrecput</td>
<td><hr></td>
<td><hr></td>
<td><hr></td>
<td>This is somewhat equivalent to writing a vdata with non-interlaced
fields, only in a dataset oriented way. This should also be wrapped in a
higher layer interface if it's necessary for HDF5.</td>
</tr>
<tr align=center>
<td>Map a dataset's name to an index to reference it with</td>
<td><hr></td>
<td>SDnametoindex</td>
<td><hr></td>
<td>H5Mfind_name</td>
<td>Equivalent functionality except HDF5 call returns an OID instead of an
index.</td>
</tr>
<tr align=center>
<td>Get the valid range of values for data in a dataset</td>
<td><hr></td>
<td>SDgetrange</td>
<td><hr></td>
<td><hr></td>
<td>Easily implemented with attributes at a higher level for HDF5.</td>
</tr>
<tr align=center>
<td>Release access to a dataset</td>
<td><hr></td>
<td>SDendaccess</td>
<td>AIO_arr_destroy</td>
<td>H5Mrelease</td>
<td>Odd that the netCDF API doesn't have this...</td>
</tr>
<tr align=center>
<td>Set the valid range of data in a dataset</td>
<td><hr></td>
<td>SDsetrange</td>
<td><hr></td>
<td><hr></td>
<td>Easily implemented with attributes at a higher level for HDF5.</td>
</tr>
<tr align=center>
<td>Set the label, units, format, etc. of the data values in a dataset</td>
<td><hr></td>
<td>SDsetdatastrs</td>
<td><hr></td>
<td><hr></td>
<td>Easily implemented with attributes at a higher level for HDF5.</td>
</tr>
<tr align=center>
<td>Get the label, units, format, etc. of the data values in a dataset</td>
<td><hr></td>
<td>SDgetdatastrs</td>
<td><hr></td>
<td><hr></td>
<td>Easily implemented with attributes at a higher level for HDF5.</td>
</tr>
<tr align=center>
<td>Set the label, units, format, etc. of the dimensions in a dataset</td>
<td><hr></td>
<td>SDsetdimstrs</td>
<td><hr></td>
<td><hr></td>
<td>Easily implemented with attributes at a higher level for HDF5.</td>
</tr>
<tr align=center>
<td>Get the label, units, format, etc. of the dimensions in a dataset</td>
<td><hr></td>
<td>SDgetdimstrs</td>
<td><hr></td>
<td><hr></td>
<td>Easily implemented with attributes at a higher level for HDF5.</td>
</tr>
<tr align=center>
<td>Set the scale of the dimensions in a dataset</td>
<td><hr></td>
<td>SDsetdimscale</td>
<td><hr></td>
<td><hr></td>
<td>Easily implemented with attributes at a higher level for HDF5.</td>
</tr>
<tr align=center>
<td>Get the scale of the dimensions in a dataset</td>
<td><hr></td>
<td>SDgetdimscale</td>
<td><hr></td>
<td><hr></td>
<td>Easily implemented with attributes at a higher level for HDF5.</td>
</tr>
<tr align=center>
<td>Set the calibration parameters of the data values in a dataset</td>
<td><hr></td>
<td>SDsetcal</td>
<td><hr></td>
<td><hr></td>
<td>Easily implemented with attributes at a higher level for HDF5.</td>
</tr>
<tr align=center>
<td>Get the calibration parameters of the data values in a dataset</td>
<td><hr></td>
<td>SDgetcal</td>
<td><hr></td>
<td><hr></td>
<td>Easily implemented with attributes at a higher level for HDF5.</td>
</tr>
<tr align=center>
<td>Set the fill value for the data values in a dataset</td>
<td><hr></td>
<td>SDsetfillvalue</td>
<td><hr></td>
<td><hr></td>
<td>HDF5 needs something like this, I'm not certain where to put it.</td>
</tr>
<tr align=center>
<td>Get the fill value for the data values in a dataset</td>
<td><hr></td>
<td>SDgetfillvalue</td>
<td><hr></td>
<td><hr></td>
<td>HDF5 needs something like this, I'm not certain where to put it.</td>
</tr>
<tr align=center>
<td>Move/Set the dataset to be in an 'external' file</td>
<td><hr></td>
<td>SDsetexternalfile</td>
<td><hr></td>
<td>H5Dset_storage</td>
<td>HDF5 has simple functions for this, but needs an API for setting up the
storage flow.</td>
</tr>
<tr align=center>
<td>Move/Set the dataset to be stored using only certain bits from the dataset</td>
<td><hr></td>
<td>SDsetnbitdataset</td>
<td><hr></td>
<td>H5Dset_storage</td>
<td>HDF5 has simple functions for this, but needs an API for setting up the
storage flow.</td>
</tr>
<tr align=center>
<td>Move/Set the dataset to be stored in compressed form</td>
<td><hr></td>
<td>SDsetcompress</td>
<td><hr></td>
<td>H5Dset_storage</td>
<td>HDF5 has simple functions for this, but needs an API for setting up the
storage flow.</td>
</tr>
<tr align=center>
<td>Search for an dataset attribute with particular name</td>
<td><hr></td>
<td>SDfindattr</td>
<td><hr></td>
<td>H5Mfind_name<br>H5Mwild_search</td>
<td>HDF5 can handle wildcard searchs for this feature.</td>
</tr>
<tr align=center>
<td>Map a run-time dataset handle to a persistant disk reference</td>
<td><hr></td>
<td>SDidtoref</td>
<td><hr></td>
<td><hr></td>
<td>I'm not certain this is needed for HDF5.</td>
</tr>
<tr align=center>
<td>Map a persistant disk reference for a dataset to an index in a group</td>
<td><hr></td>
<td>SDreftoindex</td>
<td><hr></td>
<td><hr></td>
<td>I'm not certain this is needed for HDF5.</td>
</tr>
<tr align=center>
<td>Determine if a dataset is a 'record' variable (i.e. it has an unlimited dimension)</td>
<td><hr></td>
<td>SDisrecord</td>
<td><hr></td>
<td><hr></td>
<td>Easily implemented by querying the dimensionality at a higher level for HDF5.</td>
</tr>
<tr align=center>
<td>Determine if a dataset is a 'coordinate' variable (i.e. it is used as a dimension)</td>
<td><hr></td>
<td>SDiscoord</td>
<td><hr></td>
<td><hr></td>
<td>I'm not certain this is needed for HDF5.</td>
</tr>
<tr align=center>
<td>Set the access type (i.e. parallel or serial) for dataset I/O</td>
<td><hr></td>
<td>SDsetaccesstype</td>
<td><hr></td>
<td><hr></td>
<td>HDF5 has functions for reading the information about this, but needs a better
API for setting up the storage flow.</td>
</tr>
<tr align=center>
<td>Set the size of blocks used to store a dataset with unlimited dimensions</td>
<td><hr></td>
<td>SDsetblocksize</td>
<td><hr></td>
<td><hr></td>
<td>HDF5 has functions for reading the information about this, but needs a better
API for setting up the storage flow.</td>
</tr>
<tr align=center>
<td>Sets backward compatibility of dimensions created.</td>
<td><hr></td>
<td>SDsetdimval_comp</td>
<td><hr></td>
<td><hr></td>
<td>Unneccessary in HDF5.</td>
</tr>
<tr align=center>
<td>Checks backward compatibility of dimensions created.</td>
<td><hr></td>
<td>SDisdimval_comp</td>
<td><hr></td>
<td><hr></td>
<td>Unneccessary in HDF5.</td>
</tr>
<tr align=center>
<td>Move/Set the dataset to be stored in chunked form</td>
<td><hr></td>
<td>SDsetchunk</td>
<td><hr></td>
<td>H5Dset_storage</td>
<td>HDF5 has simple functions for this, but needs an API for setting up the
storage flow.</td>
</tr>
<tr align=center>
<td>Get the chunking information for a dataset stored in chunked form</td>
<td><hr></td>
<td>SDgetchunkinfo</td>
<td><hr></td>
<td>H5Dstorage_detail</td>
<td></td>
</tr>
<tr align=center>
<td>Read/Write chunks of a dataset using a chunk index</td>
<td><hr></td>
<td>SDreadchunk<br>SDwritechunk</td>
<td><hr></td>
<td><hr></td>
<td>I'm not certain that HDF5 needs something like this.</td>
</tr>
<tr align=center>
<td>Tune chunk caching parameters for chunked datasets</td>
<td><hr></td>
<td>SDsetchunkcache</td>
<td><hr></td>
<td><hr></td>
<td>HDF5 needs something like this.</td>
</tr>
<tr align=center>
<td>Change some default behavior of the library</td>
<td><hr></td>
<td><hr></td>
<td>AIO_defaults</td>
<td><hr></td>
<td>Something like this would be useful in HDF5, to tune I/O pipelines, etc.</td>
</tr>
<tr align=center>
<td>Flush and close all open files</td>
<td><hr></td>
<td><hr></td>
<td>AIO_exit</td>
<td><hr></td>
<td>Something like this might be useful in HDF5, although it could be
encapsulated with a higher-level function.</td>
</tr>
<tr align=center>
<td>Target an architecture for data-type storage</td>
<td><hr></td>
<td><hr></td>
<td>AIO_target</td>
<td><hr></td>
<td>There are some rough parallels with using the data-type in HDF5 to create
data-type objects which can be used to write out future datasets.</td>
</tr>
<tr align=center>
<td>Map a filename to a file ID</td>
<td><hr></td>
<td><hr></td>
<td>AIO_filename</td>
<td>H5Mget_name</td>
<td></td>
</tr>
<tr align=center>
<td>Get the active directory (where new datasets are created)</td>
<td><hr></td>
<td><hr></td>
<td>AIO_getcwd</td>
<td><hr></td>
<td>HDF5 allows multiple directories (groups) to be attached to, any of which
can have new datasets created within it.</td>
</tr>
<tr align=center>
<td>Change active directory</td>
<td><hr></td>
<td><hr></td>
<td>AIO_chdir</td>
<td><hr></td>
<td>Since HDF5 has a slightly different access method for directories (groups),
this functionality can be wrapped around calls to H5Gget_oid_by_name.</td>
</tr>
<tr align=center>
<td>Create directory</td>
<td><hr></td>
<td><hr></td>
<td>AIO_mkdir</td>
<td>H5Mcreate</td>
<td></td>
</tr>
<tr align=center>
<td>Return detailed information about an object</td>
<td><hr></td>
<td><hr></td>
<td>AIO_stat</td>
<td>H5Dget_info<br>H5Dstorage_detail</td>
<td>Perhaps more information should be provided through another function in
HDF5?</td>
</tr>
<tr align=center>
<td>Get "flag" information</td>
<td><hr></td>
<td><hr></td>
<td>AIO_getflags</td>
<td><hr></td>
<td>Not required in HDF5.</td>
</tr>
<tr align=center>
<td>Set "flag" information</td>
<td><hr></td>
<td><hr></td>
<td>AIO_setflags</td>
<td><hr></td>
<td>Not required in HDF5.</td>
</tr>
<tr align=center>
<td>Get detailed information about all objects in a directory</td>
<td><hr></td>
<td><hr></td>
<td>AIO_ls</td>
<td>H5Gget_content_info_mult<br>H5Dget_info<br>H5Dstorage_detail</td>
<td>Only roughly equivalent functionality in HDF5, perhaps more should be
added?</td>
</tr>
<tr align=center>
<td>Get base type of object</td>
<td><hr></td>
<td><hr></td>
<td>AIO_BASIC</td>
<td>H5Gget_content_info</td>
<td></td>
</tr>
<tr align=center>
<td>Set base type of dataset</td>
<td><hr></td>
<td><hr></td>
<td>AIO_arr_set_btype</td>
<td>H5Mcreate(DATATYPE)</td>
<td></td>
</tr>
<tr align=center>
<td>Set dimensionality of dataset</td>
<td><hr></td>
<td><hr></td>
<td>AIO_arr_set_bdims</td>
<td>H5Mcreate(DATASPACE)</td>
<td></td>
</tr>
<tr align=center>
<td>Set slab of dataset to write</td>
<td><hr></td>
<td><hr></td>
<td>AIO_arr_set_slab</td>
<td><hr></td>
<td>This is similar to the process of creating a dataspace for use when
performing I/O on an HDF5 dataset</td>
</tr>
<tr align=center>
<td>Describe chunking of dataset to write</td>
<td><hr></td>
<td><hr></td>
<td>AIO_arr_set_chunk</td>
<td>H5Dset_storage</td>
<td></td>
</tr>
<tr align=center>
<td>Describe array index permutation of dataset to write</td>
<td><hr></td>
<td><hr></td>
<td>AIO_arr_set_perm</td>
<td>H5Dset_storage</td>
<td></td>
</tr>
<tr align=center>
<td>Create a new dataset with dataspace and datatype information from an
existing dataset.</td>
<td><hr></td>
<td><hr></td>
<td>AIO_arr_copy</td>
<td><hr></td>
<td>This can be mimicked in HDF5 by attaching to the datatype and dataspace of
an existing dataset and using the IDs to create new datasets.</td>
</tr>
<tr align=center>
<td>Create a new directory to group objects within</td>
<td><hr></td>
<td><hr></td>
<td>AIO_mkgroup</td>
<td>H5Mcreate(GROUP)</td>
<td></td>
</tr>
<tr align=center>
<td>Read name of objects in directory</td>
<td><hr></td>
<td><hr></td>
<td>AIO_read_group</td>
<td>H5Gget_content_info_mult</td>
<td></td>
</tr>
<tr align=center>
<td>Add objects to directory</td>
<td><hr></td>
<td><hr></td>
<td>AIO_write_group</td>
<td>H5Ginsert_item_mult</td>
<td></td>
</tr>
<tr align=center>
<td>Combine an architecture and numeric type to derive the format's datatype</td>
<td><hr></td>
<td><hr></td>
<td>AIO_COMBINE</td>
<td><hr></td>
<td>This is a nice feature to add to HDF5.</td>
</tr>
<tr align=center>
<td>Derive an architecture from the format's datatype</td>
<td><hr></td>
<td><hr></td>
<td>AIO_ARCH</td>
<td><hr></td>
<td>This is a nice feature to add to HDF5.</td>
</tr>
<tr align=center>
<td>Derive a numeric type from the format's datatype</td>
<td><hr></td>
<td><hr></td>
<td>AIO_PNT</td>
<td><hr></td>
<td>This is a nice feature to add to HDF5.</td>
</tr>
<tr align=center>
<td>Register error handling function for library to call when errors occur</td>
<td><hr></td>
<td><hr></td>
<td>AIO_error_handler</td>
<td><hr></td>
<td>This should be added to HDF5.</td>
</tr>
</table>
|
