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changes:
-new functions: H5Iget_ref, H5Iinc_ref and H5Idec_ref
-bugfixes
being here, move to USE_BUILDLINK3
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relative to ${WRKSRC}. Remove redundant LIBTOOL_OVERRIDE settings that
are automatically handled by the default setting in bsd.pkg.mk.
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Summary: This release has the following new features that are not
available in 1.4.* releases
1. Generic properties to give application more control on I/O pipeline
2. Time allocation and fill value properties
3. New filters: external compression filter szip
internal shuffling and checksum filters
4. Compact storage layout for datasets
5. Redesigned I/O pipeline for better performance.
For more information see
http://hdf.ncsa.uiuc.edu/HDF5/doc_resource/SZIP/index.html
http://hdf.ncsa.uiuc.edu/HDF5/doc/ADGuide.html
http://hdf.ncsa.uiuc.edu/HDF5/doc/ADGuide/Changes.html
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Should anybody feel like they could be the maintainer for any of thewe packages,
please adjust.
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This version fixes some serious bugs in version 1.4.5 and includes the
following relevant changes:
* Fixed error in B-tree deletion routine which could cause groups to be
corrupted when objects are removed from them.
* Fixed error in file space freeing code which could cause metadata to
fail to be written to the file.
* Fixed error in library when configured with --enable-debug=all.
* Added a -force option to h5redeploy.
* When using gcc 3.x, we use -std=gnu99 instead of -ansi for compiling.
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Changes:
* Allow scalar dataspaces to be used for parallel I/O. QAK - 2002/11/05
* Added environment variable "HDF5_DISABLE_VERSION_CHECK", which disables
the version checking between the header files and the library linked
into an application if set to '1'. This should be used with caution,
mis-matched headers and library binaries can cause _serious_ problems.
QAK - 2002/10/15
* Partially fixed space allocation inefficiencies in the file by
improving our algorithms for re-using freed space. QAK - 2002/08/27
* API tracing has been improved. Nested API calls don't screw up the
output format; function call and return event times can be logged;
total time spent in each function can be logged. The following
HDF5_DEBUG environment variable words affect tracing:
trace -- turn on/off basic tracing
ttimes -- turn on tracing and report event times and
time spent in each API function.
ttop -- turn on tracing but display only top-level
API calls.
* Several missing fortran APIs have been added to the library:
h5get_libversion_f h5tget_member_index_f h5dget_storage_size_f
h5check_version_f h5tvlen_create_f h5dvlen_get_max_len_f
h5garbage_collect_f h5dwrite_vl_f
h5dont_atexit_f h5dread_vl_f
Functions h5dvlen_get_max_len_f, h5dwrite_vl_f, and h5dread_vl_f support
VL Length C APIs functionality for integer, real and string datatypes.
See HDF5 Reference Manual and HDF5 FORTRAN90 User's Notes for more
information and for the functions description.
* H5Fopen without the H5F_ACC_CREAT flag should not succeed in creating
a new file with the 'core' VFL driver. QAK - 2003/01/24
* Corrected metadata caching bug in parallel I/O which could cause hangs
when chunked datasets were accessed with independent transfer mode.
QAK - 2003/01/23
* Allow opening objects with unknown object header messages.
QAK - 2003/01/21
* Added improved error assertion for nil VL strings. It return error
stack instead of a simple assertion. SLU - 2002/12/16
* Fixed h5dump bug(cannot dump data and datatype) for VL string.
SLU - 2002/11/18
* Fixed error condition where "none" selections were not being handled
correctly in serial & parallel. QAK - 2002/10/29
* Fixed problem where optimized hyperslab routines were incorrectly
invoked for parallel I/O operations in collective mode. QAK - 2002/07/22
* Fixed metadata corruption problem which could occur when many objects
are created in a file during parallel I/O. QAK - 2002/07/19
* Fixed minor problem with configuration when users specified /usr/include
and /usr/lib for the --with-* options that some compilers can't
handle. BW - 2003/01/23
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relevnt changes:
-Numerous performance changes were made to the HDF5 sequential and
parallel libraries
-Several corruption problems were fixed.
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* Changed internal error handling macros to reduce code size of library by
about 10%.
* API changes.
* Performance improvements
* ``h5cc'' script which helps compilation of HDF5 programs
* Bug fixes.
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into the equivalent INSTALL_*. This is fallout from the change in
revision 1.915 that removed ${MAKE_ENV} from the environment for a
recursive make.
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New Features
============
* XML output option for h5dump utility.
A new option --xml to output data in XML format has been added. The
XML output contains a complete description of the file, marked up in
XML.
The XML conforms to the HDF5 Document Type Definition (DTD), which
is available at:
http://hdf.ncsa.uiuc.edu/DTDs/HDF5-File.dtd
The XML output is suitable for use with other tools, including the
Java Tools:
http://hdf.ncsa.uiuc.edu/java-hdf5-html
Bug Fixes since HDF5-1.4.0 Release
==================================
* h4toh5 utility: conversion of images is fixed
Earlier releases of the h4toh5 utility produced images that did not
correctly conform to the HDF5 Image and Palette Specification.
http://hdf.ncsa.uiuc.edu/HDF5/doc/ImageSpec.html
Several required HDF5 attributes are omitted, and the dataspace
is reversed (i.e., the ht. and width of the image dataset is
incorrectly described.) For more information, please see:
http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageDetails.htm
* Fixed bug with contiguous hyperslabs not being detected, causing
slower I/O than necessary.
* Fixed bug where non-aligned hyperslab I/O on chunked datasets was
causing errors during I/O
* The RCSID string in H5public.h was causing the C++ compiling problem
because when it was included multiple times, C++ did not like
multiple definitions of the same static variable. All occurance of
RCSID definition are removed since we have not used it consistently
before.
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problem. Also, patch configure script to not add "-ansi -pedantic" to
CFLAGS. It seems pointless to use the "-ansi" warning when so many
warnings about ANSI C not supporting "long long", etc., appear.
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${PREFIX}/share/doc/hdf5/RELEASE.txt.
New Features
============
* The Virtual File Layer, VFL, was added to replace the old file
drivers. It also provides an API for user defined file drivers.
* New features added to snapshots. Use 'snapshot help' to see a
complete list of features.
* Improved configure to detect if MPIO routines are available when
parallel mode is requested.
* Added Thread-Safe support. Phase I implemented. See:
http://hdf.ncsa.uiuc.edu/HDF5/papers/mthdf/MTHDFpaper.htm
for more details.
* Added data sieve buffering to raw data I/O path. This is enabled
for all VFL drivers except the mpio & core drivers. Setting the
sieve buffer size is controlled with the new API function,
H5Pset_sieve_buf_size(), and retrieved with H5Pget_sieve_buf_size().
* Added new Virtual File Driver, Stream VFD, to send/receive entire
HDF5 files via socket connections.
* As parts of VFL, HDF-GASS and HDF-SRB are also added to this
release. To find out details, please read INSTALL_VFL file.
* Increased maximum number of dimensions for a dataset (H5S_MAX_RANK)
from 31 to 32 to align with HDF4 & netCDF.
* Added 'query' function to VFL drivers. Also added 'type' parameter to
VFL 'read' & 'write' calls, so they are aware of the type of data
being accessed in the file. Updated the VFL document also.
* A new h4toh5 utility, to convert HDF4 files to analogous HDF5 files.
* Added a new array datatype to the datatypes which can be created.
Removed "array fields" from compound datatypes (use an array datatype
instead).
* Parallel HDF5 works correctly with mpich-1.2.1 on Solaris, SGI, Linux.
* You can now install the HDF5 documentation using the
``make install-doc'' command. The documentation is installed in the
$(prefix)/doc directory where $(prefix) is the prefix specified by
the (optional) ``--prefix'' flag during configuration.
* HDF5 can operate correctly in the OpenMP environment in a limited way.
Check doc/html/TechNotes/openmp-hdf5.html for details.
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Hierarchical Data Format 5
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