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|
HDF5 version 1.8.20-pre2 currently under development
================================================================================
INTRODUCTION
============
This document describes the differences between HDF5-1.8.18 and
HDF5-1.8.19, and contains information on the platforms tested and
known problems in HDF5-1.8.19.
For more details, see the files HISTORY-1_0-1_8_0_rc3.txt
and HISTORY-1_8.txt in the release_docs/ directory of the HDF5 source.
Links to the HDF5 1.8.19 source code, documentation, and additional materials
can be found on the HDF5 web page at:
https://support.hdfgroup.org/HDF5/
The HDF5 1.8.19 release can be obtained from:
https://support.hdfgroup.org/HDF5/release/obtain518.html
User documentation for 1.8.19 can be accessed directly at this location:
https://support.hdfgroup.org/HDF5/doc1.8/
New features in the HDF5-1.8.x release series, including brief general
descriptions of some new and modified APIs, are described in the "What's New
in 1.8.0?" document:
https://support.hdfgroup.org/HDF5/doc/ADGuide/WhatsNew180.html
All new and modified APIs are listed in detail in the "HDF5 Software Changes
from Release to Release" document, in the section "Release 1.8.19 (current
release) versus Release 1.8.18
https://support.hdfgroup.org/HDF5/doc1.8/ADGuide/Changes.html
If you have any questions or comments, please send them to the HDF Help Desk:
help@hdfgroup.org
CONTENTS
========
- New Features
- Support for New Platforms, Languages, and Compilers
- Bug Fixes since HDF5-1.8.19
- Supported Platforms
- Supported Configuration Features Summary
- More Tested Platforms
- Known Problems
New Features
============
Configuration
-------------
- None
Library
-------
- None
Parallel Library
----------------
- None
Tools
-----
- h5diff
h5diff has new option enable-error-stack.
Updated h5diff with the --enable-error-stack argument, which
enables the display of the hdf5 error stack. This completes the
improvement to the main tools; h5copy, h5diff, h5dump, h5ls and
h5repack.
(ADB - 2017/08/30, HDFFV-9774)
High-Level APIs
---------------
- None
Fortran API
-----------
- None
C++ API
-------
- The following C++ API wrappers have been added to the C++ Library:
// Creates a binary object description of this datatype.
void DataType::encode() - C API H5Tencode()
// Returns the decoded type from the binary object description.
DataType::decode() - C API H5Tdecode()
ArrayType::decode() - C API H5Tdecode()
CompType::decode() - C API H5Tdecode()
DataType::decode() - C API H5Tdecode()
EnumType::decode() - C API H5Tdecode()
FloatType::decode() - C API H5Tdecode()
IntType::decode() - C API H5Tdecode()
StrType::decode() - C API H5Tdecode()
VarLenType::decode() - C API H5Tdecode()
// Three overloaded functions to retrieve information about an object
H5Location::getObjectInfo() - H5Oget_info()/H5Oget_info_by_name()
(BMR - 2017/10/17, HDFFV-10175)
- New constructors to open existing datatypes added in ArrayType,
CompType, DataType, EnumType, FloatType, IntType, StrType, and
VarLenType.
(BMR - 2017/10/17, HDFFV-10175)
- A document is added to the HDF5 C++ API Reference Manual to show the
mapping from a C API to C++ wrappers. It can be found from the main
page of the C++ API Reference Manual.
(BMR - 2017/10/17, HDFFV-10151)
High-Level APIs
---------------
- H5DOread_chunk
Users wanted to read compressed data directly from a file without any
processing by the HDF5 data transfer pipeline, just as they were able
to write it directly to a file with H5DOwrite_chunk.
New API function, corresponding to existing function H5DOwrite_chunk.
H5DOread_chunk reads a raw data chunk directly from a chunked dataset
in the file into the application buffer, bypassing the library’s internal
data transfer pipeline, including filters.
(VC - 2017/05/02, HDFFV-9934)
Support for New Platforms, Languages, and Compilers
===================================================
- Added NAG compiler
Bug Fixes since HDF5-1.8.19
===========================
Configuration
-------------
- cmake
The hdf5 library used shared szip and zlib, which needlessly required
applications to link with the same szip and zlib libraries.
Changed the target_link_libraries commands to use the static libs.
Removed improper link duplication of szip and zlib.
Adjusted the link dependencies and the link interface values of
the target_link_libraries commands.
(ADB - 2017/11/14, HDFFV-10329)
- cmake MPI
CMake implementation for MPI was problematic and would create incorrect
MPI library references in the hdf5 libraries.
Reworked the CMake MPI code to properly create CMake targets.Also merged
the latest CMake FindMPI.cmake changes to the local copy. This is necessary
until HDF changes the CMake minimum to 3.9 or greater.
(ADB - 2017/11/02, HDFFV-10321)
- Fixed Fortran linker flags when using the NAG Fortran compiler (autotools).
(HDFFV-10037, MSB, 2017/10/21)
- cmake
Too many commands for POST_BUILD step caused command line to be
too big on windows.
Changed foreach of copy command to use a custom command with the
use of the HDFTEST_COPY_FILE macro.
(ADB - 2017/07/12, HDFFV-10254)
Library
-------
- filter plugin handling in H5PL.c and H5Z.c
It was discovered that the dynamic loading process used by
filter plugins had issues with library dependencies.
CMake build process changed to use LINK INTERFACE keywords, which
allowed HDF5 C library to make dependent libraries private. The
filter plugin libraries no longer require dependent libraries
(such as szip or zlib) to be available.
(ADB - 2017/11/16, HDFFV-10328)
- Fix rare object header corruption bug
In certain cases, such as when converting large attributes to dense
storage, an error could occur which would either fail an assertion or
cause file corruption. Fixed and added test.
(NAF - 2017/11/14, HDFFV-10274)
- H5Zfilter_avail in H5Z.c
The public function checked for plugins, while the private
function did not.
Modified H5Zfilter_avail and private function, H5Z_filter_avail.
Moved check for plugin from public to private function. Updated
H5P__set_filter due to change in H5Z_filter_avail. Updated tests.
(ADB - 2017/10/10, HDFFV-10297, HDFFV-10319)
- Fix H5Sencode bug when num points selected is >2^32
Modified to fail if the 32 bit limit is exceeded when encoding either
offsets or counts in the selection.
(HDFFV-10323, VC, 2017/09/07)
- Fix H5HL_offset_into()
(1) Fix H5HL_offset_into() to return error when offset exceeds heap data
block size.
(2) Fix other places in the library that call this routine to detect
error routine.
(HDFFV-10216, VC, 2017/09/05)
Parallel Library
----------------
- None
Performance
-------------
- None
Tools
-----
- h5repack
h5repack failed to copy a dataset with existing filter.
Reworked code for h5repack and h5diff code in tools library. Added
improved error handling, cleanup of resources and checks of calls.
Modified H5Zfilter_avail and private function, H5Z_filter_avail.
Moved check for plugin from public to private function. Updated
H5P__set_filter due to change in H5Z_filter_avail. Updated tests.
Note, h5repack output display has changed to clarify the individual
steps of the repack process. The output indicates if an operation
applies to all objects. Lines with notation and no information
have been removed.
(ADB - 2017/10/10, HDFFV-10297, HDFFV-10319)
- h5repack
h5repack always set the User Defined filter flag to H5Z_FLAG_MANDATORY.
Added another parameter to the 'UD=' option to set the flag by default
to '0' or H5Z_FLAG_MANDATORY, the other choice is '1' or H5Z_FLAG_OPTIONAL.
(ADB - 2017/08/31, HDFFV-10269)
- h5ls
h5ls generated error on stack when it encountered a H5S_NULL
dataspace.
Adding checks for H5S_NULL before calling H5Sis_simple (located
in the h5tools_dump_mem function) fixed the issue.
(ADB - 2017/08/17, HDFFV-10188)
- h5dump
h5dump segfaulted on output of XML file.
Function that escape'd strings used the full buffer length
instead of just the length of the replacement string in a
strncpy call. Using the correct length fixed the issue.
(ADB - 2017/08/01, HDFFV-10256)
- h5diff
h5diff segfaulted on compare of a NULL variable length string.
Improved h5diff compare of strings by adding a check for
NULL strings and setting the lengths to zero.
(ADB - 2017/07/25, HDFFV-10246)
- h5import
h5import crashed trying to import data from a subset of a dataset.
Improved h5import by adding the SUBSET keyword. h5import understands
to use the Count times the Block as the size of the dimensions.
Added INPUT_B_ORDER keyword to old-style configuration files.
The import from h5dump function expects the binary files to use native
types (FILE '-b' option) in the binary file.
(ADB - 2017/06/15, HDFFV-10219)
Fortran API
-----------
- None
C++ API
-------
- Marked the following functions deprecated because they were moved to
class H5Object:
H5Location::createAttribute()
H5Location::openAttribute()
H5Location::attrExists()
H5Location::removeAttr()
H5Location::renameAttr()
H5Location::getNumAttrs()
(BMR - 2017/10/17)
High-Level APIs:
---------------
- None
Packet Table APIs:
------------------
- None
Supported Platforms
===================
The following platforms are supported and have been tested for this release.
They are built with the configure process unless specified otherwise.
Linux 2.6.32-573.22.1.el6 GNU C (gcc), Fortran (gfortran), C++ (g++)
#1 SMP x86_64 GNU/Linux compilers:
(platypus/mayll) Version 4.4.7 20120313
Versions 4.9.3, 5.3.0, 6.2.0
PGI C, Fortran, C++ for 64-bit target on
x86-64;
Version 16.10-0
Intel(R) C (icc), C++ (icpc), Fortran (icc)
compilers:
Version 17.0.0.196 Build 20160721
MPICH 3.1.4 compiled with GCC 4.9.3
OpenMPI 2.0.1 compiled with GCC 4.9.3
Linux 2.6.32-573.18.1.el6 gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-16)
#1 SMP ppc64 GNU/Linux g++ (GCC) 4.4.7 20120313 (Red Hat 4.4.7-16)
(ostrich) GNU Fortran (GCC) 4.4.7 20120313 (Red Hat 4.4.7-16)
IBM XL C/C++ V13.1
IBM XL Fortran V15.1
Linux 3.10.0-327.10.1.el7 GNU C (gcc), Fortran (gfortran), C++ (g++)
#1 SMP x86_64 GNU/Linux compilers:
(kituo/moohan/jelly Version 4.8.5 20150623 (Red Hat 4.8.5-4)
Versions 4.9.3, 5.3.0, 6.2.0
Intel(R) C (icc), C++ (icpc), Fortran (icc)
compilers:
Version 17.0.4.196 Build 20170411
MPICH 3.1.4 compiled with GCC 4.9.3
NAG Fortran Compiler Release 6.1(Tozai) Build 6116
SunOS 5.11 32- and 64-bit Sun C 5.12 SunOS_sparc
(emu) Sun Fortran 95 8.6 SunOS_sparc
Sun C++ 5.12 SunOS_sparc
Windows 7 Visual Studio 2012 w/ Intel Fortran 15 (cmake)
Visual Studio 2013 w/ Intel Fortran 15 (cmake)
Visual Studio 2015 w/ Intel Fortran 16 (cmake)
Windows 7 x64 Visual Studio 2012 w/ Intel Fortran 15 (cmake)
Visual Studio 2013 w/ Intel Fortran 15 (cmake)
Visual Studio 2015 w/ Intel Fortran 16 (cmake)
Visual Studio 2015 w/ Intel C, Fortran 2017 (cmake)
Visual Studio 2015 w/ MSMPI 8 (cmake)
Cygwin(CYGWIN_NT-6.1 2.8.0(0.309/5/3)
gcc and gfortran compilers (GCC 5.4.0)
(cmake and autotools)
Windows 10 Visual Studio 2015 w/ Intel Fortran 16 (cmake)
Cygwin(CYGWIN_NT-6.1 2.8.0(0.309/5/3)
gcc and gfortran compilers (GCC 5.4.0)
(cmake and autotools)
Windows 10 x64 Visual Studio 2015 w/ Intel Fortran 16 (cmake)
Mac OS X Mavericks 10.9.5 Apple LLVM version 6.0 (clang-600.0.57)
64-bit gfortran GNU Fortran (GCC) 4.9.2
(wren/quail) Intel icc/icpc/ifort version 15.0.3
Mac OS X Yosemite 10.10.5 Apple LLVM version 6.1 (clang-602.0.53)
64-bit gfortran GNU Fortran (GCC) 4.9.2
(osx1010dev/osx1010test) Intel icc/icpc/ifort version 15.0.3
Mac OS X El Capitan 10.11.6 Apple LLVM version 7.3.0 (clang-703.0.29)
64-bit gfortran GNU Fortran (GCC) 5.2.0
(VM osx1011dev/osx1011test) Intel icc/icpc/ifort version 16.0.2
Mac OS Sierra 10.12.6 Apple LLVM version 8.1 (clang-802.0.42)
64-bit gfortran GNU Fortran (GCC) 7.1.0
(kite) Intel icc/icpc/ifort version 17.0.2
Tested Configuration Features Summary
=====================================
In the tables below
y = tested
n = not tested in this release
C = Cluster
W = Workstation
x = not working in this release
dna = does not apply
( ) = footnote appears below second table
<blank> = testing incomplete on this feature or platform
Platform C F90/ F90 C++ zlib SZIP
parallel F2003 parallel
SunOS 5.11 32-bit n y/y n y y y
SunOS 5.11 64-bit n y/y n y y y
Windows 7 y y/y n y y y
Windows 7 x64 y y/y n y y y
Windows 7 Cygwin n y/n n y y y
Windows 7 x64 Cygwin n y/n n y y y
Windows 10 y y/y n y y y
Windows 10 x64 y y/y n y y y
Mac OS X Mavericks 10.9.5 64-bit n y/y n y y y
Mac OS X Yosemite 10.10.5 64-bit n y/y n y y y
Mac OS X El Capitan 10.11.6 64-bit n y/y n y y y
Mac OS Sierra 10.12.6 64-bit n y/y n y y y
AIX 6.1 32- and 64-bit n y/n n y y y
CentOS 6.7 Linux 2.6.32 x86_64 GNU y y/y y y y y
CentOS 6.7 Linux 2.6.32 x86_64 Intel n y/y n y y y
CentOS 6.7 Linux 2.6.32 x86_64 PGI n y/y n y y y
CentOS 7.1 Linux 3.10.0 x86_64 GNU y y/y y y y y
CentOS 7.1 Linux 3.10.0 x86_64 Intel n y/y n y y y
Linux 2.6.32-431.11.2.el6.ppc64 n y/n n y y y
Platform Shared Shared Shared Thread-
C libs F90 libs C++ libs safe
SunOS 5.11 32-bit y y y y
SunOS 5.11 64-bit y y y y
Windows 7 y y y y
Windows 7 x64 y y y y
Windows 7 Cygwin n n n y
Windows 7 x64 Cygwin n n n y
Windows 10 y y y y
Windows 10 x64 y y y y
Mac OS X Mavericks 10.9.5 64-bit y n y y
Mac OS X Yosemite 10.10.5 64-bit y n y y
Mac OS X El Capitan 10.11.6 64-bit y n y y
Mac OS Sierra 10.12.6 64-bit y n y y
AIX 6.1 32- and 64-bit y n n y
CentOS 6.7 Linux 2.6.32 x86_64 GNU y y y y
CentOS 6.7 Linux 2.6.32 x86_64 Intel y y y y
CentOS 6.7 Linux 2.6.32 x86_64 PGI y y y y
CentOS 7.1 Linux 3.10.0 x86_64 GNU y y y y
CentOS 7.1 Linux 3.10.0 x86_64 Intel y y y y
Linux 2.6.32-431.11.2.el6.ppc64 y y y y
Compiler versions for each platform are listed in the preceding
"Supported Platforms" table.
More Tested Platforms
=====================
The following platforms are not supported but have been tested for this release.
Linux 2.6.32-573.22.1.el6 g95 (GCC 4.0.3 (g95 0.94!)
#1 SMP x86_64 GNU/Linux
(mayll)
Debian8.4.0 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1 x86_64 GNU/Linux
gcc (Debian 4.9.2-10) 4.9.2
GNU Fortran (Debian 4.9.2-10) 4.9.2
(cmake and autotools)
Fedora24 4.7.2-201.fc24.x86_64 #1 SMP x86_64 x86_64 x86_64 GNU/Linux
gcc (GCC) 6.1.1 20160621 (Red Hat 6.1.1-3)
GNU Fortran (GCC) 6.1.1 20160621 (Red Hat 6.1.1-3)
(cmake and autotools)
CentOS 7.2 3.10.0-327.28.2.el7.x86_64 #1 SMP x86_64 x86_64 x86_64 GNU/Linux
gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-4)
GNU Fortran (GCC) 4.8.5 20150623 (Red Hat 4.8.5-4)
(cmake and autotools)
Ubuntu 16.04 4.4.0-38-generic #62-Ubuntu SMP x86_64 GNU/Linux
gcc (Ubuntu 5.4.0-6ubuntu1~16.04.2) 5.4.0
GNU Fortran (Ubuntu 5.4.0-6ubuntu1~16.04.2) 5.4.0
(cmake and autotools)
Known Problems
==============
The dynamically loaded plugin test libraries require undefined references
to HDF5 functions to be resolved at runtime in order to function properly.
With autotools on CYGWIN this results in build errors, and we have not
found a solution that satisfies both. Therefore the dynamically loaded
plugin tests have been disabled on CYGWIN.
Mac OS X 10.13 added additional subdirectory structure in .libs for shared
libraries. Consequently "make check" will fail testing java and dynamically
loaded plugin test libraries attempting to copy files from the previous
locations in .libs directories. This will be addressed in the next release
when support for the Mac OS X 10.13 platform is added.
Known problems in previous releases can be found in the HISTORY*.txt files
in the HDF5 source. Please report any new problems found to
help@hdfgroup.org.
|
