Fixes for bugs 676, 228
676: both h5repack and h5diff use H5Dread. In the case of a "big"
dataset, use read/write by hyperslabs the same way h5dump uses. An
arbitrary value of 1GB was defined for "big", i.e, if the dataset is
greater than 1GB, then read/write by hyperslabs
228: use the file type in read/write by default. A new switch -n was
introduced if the user wants to use a native type, which was the
previous use by default.
Added a new test for h5repack that repacks a 1GB dataset
Tested: heping (serial, parallel), sol, copper
Overhaul usage of object header chunks to reduce I/O operations and
memory allocations. The object header prefix is now stored in the first
object header chunk's "image" in memory.
Also, lots of formatting cleanups.
Taught h5debug tool about new object header format (which isn't enabled
just yet).
Tested on:
Linux/32 2.6 (chicago)
Linux/64 2.6 (chicago2)
option --enable-direct-vfd/--disable-direct-vfd to enable/disable Direct I/O support. The default
is enabled. There's a small test in test/vfd.c. Another way to test it is to set environment
variable HDF5_DRIVER to "direct" and run "make check" in the test/ directory. There'll be some
further improvement in the following checkin including allowing user to provide memory boundary
value, file block size, and copying buffer size.
Add "use the latest format" support for dataspace object header encode/
decode routines and clean up format a bit for the latest format (new to 1.8.x
releases)
Remove storing 'perm' parameter for array datatypes in memory and the file,
and add test to make certain that if any user applications are attempting to
store them, we get some reports back. (Should be unlikely, since the RefMan
says that the parameter is not implemented and is unsupported).
Carry those changes into the tests, etc.
Clean up a bunch more compiler warnings.
Tested on:
FreeBSD/32 4.11 (sleipnir) w/threadsafe
Linux/32 2.4 (heping) w/FORTRAN & C++
Linux/64 2.4 (mir) w/enable-1.6-compat
and quote its arguments. Also checks for the 'socket' library on
Solaris.
If this patch passes the Daily Tests and makes the user happy, I'll
port it back to the 1.6 branch.
Tested on mir and sol.
Further minor modifications to the file format for tracking links in groups.
This is tentatively the "final" file format for groups.
Tested on:
Linux/32 2.6 (chicago)
Linux/64 2.6 (chicago2)
File format is not stable, don't keep files produced!
Description:
First stage of checkins modifying the format of groups to support creation
order. Implement "dense" storage for links in groups.
Try to clarify some of the symbols for the H5L API.
Add the H5Pset_latest_format() flag for FAPLs, to choose to use the newest
file format options (including "dense" link storage in groups)
Add the H5Pset_track_creation_order() flag for GCPLs, to enable creation
order tracking in groups (although no index on creation order yet).
Remove --enable-group-revision configure flag, as file format issues are
now handled in a backwardly/forwardly compatible way.
Clean up lots of compiler warnings and other minor formatting issues.
Tested on:
FreeBSD/32 4.11 (sleipnir) w/threadsafe
Linux/32 2.4 (heping) w/FORTRAN & C++
Linux/64 2.4 (mir) w/enable-v1.6 compa
Mac OSX/32 10.4.8 (amazon)
AIX 5.3 (copper) w/parallel & FORTRAN
revised binary flags, added a new file to the test generator program to
be used in the binary tests
usage is now
-o F, --output=F Output raw data into file F
-b F, --binary=F Binary output, of form F (into file -o F).
Recommended usage is with --dataset=P
Form F of binary output is: MEMORY for memory type,
FILE for the disk file type, LE or BE for pre-existing
little or big endian types
example
./h5dump -d integer -b MEMORY -o out.bin tbinary.h5
Review, revise & checkin in Peter's latest round of object copy changes,
which add basic support for datasets & attributes with reference datatypes.
Tested on:
Linux/32 2.6 (chicago)
Linux/64 2.6 (chicago2)
Improve density of the B-tree further. For greater depths of B-trees,
the gains are over 100%...
Also, don't split internal nodes with 3->4 splits, use a 1->2 split
instead, so that the density of the nodes around a split is maximized.
Tested:
Mac OS X/PPC 10.4 (amazon)
Linux/32 2.6 (chicago)
Linux/64 2.6 (chicago2)
Code cleanup.
Description:
Removed argc and argv from the function arguments of h5tools_get_fapl() and
h5tools_fopen(). They were used to call MPI_Init() which was no longer
needed.
Tested:
heping (serial and parallel).
Refactor the file storage of "twig" nodes in the B-tree to allow them to
store more records, increasing the average density of the B-tree 30-40%.
Increase # of records in "insert lots" regression test to still create
B-tree of depth 4
Update h5debug to interpret difference of 'branch' and 'twig' internal
nodes in B-tree correctly.
Tested on:
FreeBSD/32 4.11 (sleipnir)
Linux/32 2.4 (heping)
Linux/64 2.4 (mir)
Solaris/64 2.9 (shanti)
Since these examples need to follow filesystem paths, the Makefiles need
to create directories in the examples directory; added this to the
Makefile.am.
Tested on Windows, mir, juniper
Several changes, all mooshed together:
- Add support for "tiny" objects - which can be stored in the heap
ID itself, instead of in the heap data blocks.
- Flesh out support for compressed direct blocks, but comment it
out until John's got some metadata cache changes in place to
support it.
- Add support for applying I/O pipeline filters to 'huge' objects
- Refactor 'huge' object code to store information for 'huge' objects
directly in the heap ID, when there are I/O pipeline filters
applied to the heap (and the heap ID is large enough to hold the
information)
- Update h5debug tool to correctly handle 'huge' & 'tiny' objects.
- Misc. other code cleanups, etc.
Tested on:
FreeBSD/32 4.11 (sleipnir)
Linux/64 2.4 (mir)
Solaris/64 2.9 (shanti)
Clean up compiler warnings/failures in test/links.c, especially when
--disable-production flag used with --enable-group-revision
Modify binary dumping in h5dump to clean up files created [a band-aid
solution to not actually creating the files in the srcdir, but better than
just leaving the files around... :-/ ]
Tested:
FreeBSD 4.11 (sleipnir) (w/ configure flags above)
Too minor to require h5committest
Bug fixes.
Description:
There were MPI_init and MPI_finalize calls in the code of h5tools_fopen in
parallel mode. But if a non-MPI tool is invoke to open a non-existing
file, it tries to open the non-existing file with different VFD and
eventaully came to try with the MPIO or the MPIPOSIX vfd, then it would
try to do MPI_Init which would fail in the MPI environment if the a.out
was not launched by MPI properly.
Solution:
MPI_Init and MPI_Finalize in general should be called by the MPI application,
not called by a library subroutine as in the manner that was done here.
Removed the MPI_init and MPI_Finalize calls. Used MPI_Initialized to
verify if this has been launched as an MPI application in the proper
manner before attempting to use the MPIO or the MPIPOSIX VFD to open
the file.
Tested:
In tg-ncsa parallel, where it had failed explicitly and also in Heping,
using both serial and parallel mode.
Users can create external links using H5L_create_external(). These links
point to an object in another HDF5 file. Users can alter the behavior of
external links or create new kinds of links by registering callbacks
using the H5L interface.
Added tests, tools support, etc.
Also a number of other, minor changes have been made (some restructuring of
the H5L interface, for instance).
Additional documentation and examples are forthcoming.
Refactored free space manager to use metadata cache for serialized free
space sections. This speeds up the fractal heap test considerably...
Tested:
FreeBSD 4.11 (sleipnir)
Linux 2.4/32 (chicago)
Linux 2.4/64 (mir)
Mac OS X (amazon)
