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HDF5 version 1.8.17-snap1 currently under development
================================================================================
INTRODUCTION
============
This document describes the differences between HDF5-1.8.15 and
HDF5-1.8.16-*, and contains information on the platforms tested and
known problems in HDF5-1.8.16-*.
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 1.8.15 source code, documentation, and additional materials
can be found on the HDF5 web page at:
http://www.hdfgroup.org/products/hdf5/
The HDF5 1.8.15 release can be obtained from:
http://www.hdfgroup.org/HDF5/release/obtain5.html
User documentation for 1.8.15 can be accessed directly at this location:
http://www.hdfgroup.org/HDF5/doc/
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:
http://www.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 1.8.16 (current
release) versus Release 1.8.15
http://www.hdfgroup.org/HDF5/doc/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 HDF5-1.8.15
- Supported Platforms
- Supported Configuration Features Summary
- More Tested Platforms
- Known Problems
New Features
============
Configuration
-------------
- None
Library
-------
- None
Parallel Library
----------------
- None
Tools
-----
- None
High-Level APIs
---------------
- None
Fortran API
-----------
- None
C++ API
-------
- None
Support for New Platforms, Languages, and Compilers
===================================================
-
-
Bug Fixes since HDF5-1.8.16
===========================
Configuration
-------------
- None
Library
-------
- None
Parallel Library
----------------
- None
Performance
-------------
- None
Tools
-----
- None
Fortran API
------------
- None
C++ API
------
- None
High-Level APIs:
------
- None
Fortran High-Level APIs:
------------------------
- None
Testing
-------
- 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.
AIX 6.1 xlc/xlc_r 10.1.0.5
(NASA G-ADA) xlC/xlC_r 10.1.0.5
xlf90/xlf90_r 12.1.0.6
Linux 2.6.18-308.13.1.el5PAE GNU C (gcc), Fortran (gfortran), C++ (g++)
#1 SMP i686 i686 i386 compilers for 32-bit applications;
(jam) Version 4.1.2 20080704 (Red Hat 4.1.2-55)
Version 4.8.4, 4.9.2
PGI C, Fortran, C++ Compilers for 32-bit
applications;
Version 14.10-0
Intel(R) C, C++, Fortran Compiler for 32-bit
applications;
Version 15.0.1.133 (Build 20141023)
Linux 2.6.18-371.6.1.el5 GNU C (gcc), Fortran (gfortran), C++ (g++)
#1 SMP x86_64 GNU/Linux compilers for 64-bit applications;
(koala) Version 4.1.2 20080704 (Red Hat 4.1.2-55)
Version 4.8.4, 4.9.2
Intel(R) C, C++, Fortran Compilers for
applications running on Intel(R) 64;
Version 15.0.1.133 Build 20141023
Linux 2.6.32-431.11.2.el6 GNU C (gcc), Fortran (gfortran), C++ (g++)
#1 SMP x86_64 GNU/Linux compilers:
(platypus) Version 4.4.7 20120313
Version 4.8.2, Version 4.9.2
PGI C, Fortran, C++ for 64-bit target on
x86-64;
Version 14.10-0
Intel(R) C (icc), C++ (icpc), Fortran (icc)
compilers:
Version 15.0.1.133 Build 20141023
Linux 2.6.32-431.29.2.el6.ppc64 gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-4)
#1 SMP ppc64 GNU/Linux g++ (GCC) 4.4.7 20120313 (Red Hat 4.4.7-4)
(ostrich) GNU Fortran (GCC) 4.4.7 20120313 (Red Hat 4.4.7-4)
IBM XL C/C++ V13.1
IBM XL Fortran V15.1
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 2008 (cmake)
Visual Studio 2010 w/ Intel Fortran 14 (cmake)
Visual Studio 2012 w/ Intel Fortran 15 (cmake)
Visual Studio 2013 w/ Intel Fortran 15 (cmake)
Cygwin(CYGWIN_NT-6.1 1.7.34(0.285/5/3) gcc(4.9.2) compiler and gfortran)
(cmake and autotools)
Windows 7 x64 Visual Studio 2008 (cmake)
Visual Studio 2010 w/ Intel Fortran 14 (cmake)
Visual Studio 2012 w/ Intel Fortran 15 (cmake)
Visual Studio 2013 w/ Intel Fortran 15 (cmake)
Windows 8.1 Visual Studio 2012 w/ Intel Fortran 15 (cmake)
Visual Studio 2013 w/ Intel Fortran 15 (cmake)
Windows 8.1 x64 Visual Studio 2012 w/ Intel Fortran 15 (cmake)
Visual Studio 2013 w/ Intel Fortran 15 (cmake)
Mac OS X Mt. Lion 10.8.5 Apple clang/clang++ version 5.1 from Xcode 5.1
64-bit gfortran GNU Fortran (GCC) 4.8.2
(swallow/kite) Intel icc/icpc/ifort version 14.0.2
Mac OS X Mavericks 10.9.5 Apple clang/clang++ version 6.0 from Xcode 6.1.1
64-bit gfortran GNU Fortran (GCC) 4.8.2
(wren/quail) Intel icc/icpc/ifort version 14.0.2
Mac OS X Yosemeti 10.10.2 Apple clang/clang++ version 6.0 from Xcode 6.1.1
64-bit gfortran GNU Fortran (GCC) 4.9.2
(osx1010dev/osx1010test) Intel icc/icpc/ifort version 15.0.1
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/y n y y n
Windows 8.1 n y/y n y y y
Windows 8.1 x64 n y/y n y y y
Mac OS X Mountain Lion 10.8.5 64-bit n 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 Yosemeti 10.10.2 64-bit n y/y n y y y
AIX 6.1 32- and 64-bit n y/n n y y y
CentOS 5.9 Linux 2.6.18-308 i686 GNU y y/y y y y y
CentOS 5.9 Linux 2.6.18-308 i686 Intel n y/y n y y y
CentOS 5.9 Linux 2.6.18-308 i686 PGI n y/y n y y y
CentOS 5.9 Linux 2.6.18 x86_64 GNU n y/y n y y y
CentOS 5.9 Linux 2.6.18 x86_64 Intel n y/y n y y y
CentOS 6.4 Linux 2.6.32 x86_64 GNU y y/y y y y y
CentOS 6.4 Linux 2.6.32 x86_64 Intel n y/y n y y y
CentOS 6.4 Linux 2.6.32 x86_64 PGI n y/y n y y y
CentOS 7.0 Linux 3.10.0 x86_64 GNU y y/y y y y y
CentOS 7.0 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 8.1 y y y y
Windows 8.1 x64 y y y y
Mac OS X Mountain Lion 10.8.5 64-bit y n y y
Mac OS X Mavericks 10.9.5 64-bit y n y y
Mac OS X Yosemeti 10.10.2 64-bit y n y y
AIX 6.1 32- and 64-bit y n n y
CentOS 5.9 Linux 2.6.18-308 i686 GNU y y y y
CentOS 5.9 Linux 2.6.18-308 i686 Intel y y y n
CentOS 5.9 Linux 2.6.18-308 i686 PGI y y y n
CentOS 5.9 Linux 2.6.18 x86_64 GNU y y y y
CentOS 5.9 Linux 2.6.18 x86_64 Intel y y y n
CentOS 6.4 Linux 2.6.32 x86_64 GNU y y y n
CentOS 6.4 Linux 2.6.32 x86_64 Intel y y y n
CentOS 6.4 Linux 2.6.32 x86_64 PGI y y y n
CentOS 7.0 Linux 3.10.0 x86_64 GNU y y y n
CentOS 7.0 Linux 3.10.0 x86_64 Intel y y y n
Linux 2.6.32-431.11.2.el6.ppc64 y y y n
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 2.6.18-308.13.1.el5PAE MPICH mpich 3.1.3 compiled with
#1 SMP i686 i686 i386 gcc 4.9.2 and gfortran 4.9.2
(jam) g95 (GCC 4.0.3 (g95 0.94!)
Linux 2.6.18-431.11.2.el6 MPICH mpich 3.1.3 compiled with
#1 SMP x86_64 GNU/Linux gcc 4.9.2 and gfortran 4.9.2
(platypus) g95 (GCC 4.0.3 (g95 0.94!)
FreeBSD 8.2-STABLE i386 gcc 4.5.4 [FreeBSD] 20110526
(loyalty) gcc 4.6.1 20110527
g++ 4.6.1 20110527
gfortran 4.6.1 20110527
FreeBSD 8.2-STABLE amd64 gcc 4.5.4 [FreeBSD] 20110526
(freedom) gcc 4.6.1 20110527
g++ 4.6.1 20110527
gfortran 4.6.1 20110527
Debian7.5.0 3.2.0-4-amd64 #1 SMP Debian 3.2.51-1 x86_64 GNU/Linux
gcc (Debian 4.7.2-5) 4.7.2
GNU Fortran (Debian 4.7.2-5) 4.7.2
(cmake and autotools)
Fedora20 3.15.3-200.fc20.x86_64 #1 SMP x86_64 x86_64 x86_64 GNU/Linux
gcc (GCC) 4.8.3 20140624 (Red Hat 4.8.3-1)
GNU Fortran (GCC) 4.8.3 20140624 (Red Hat 4.8.3-1)
(cmake and autotools)
SUSE 13.1 3.11.10-17-desktop #1 SMP PREEMPT x86_64 x86_64 x86_64 GNU/Linux
gcc (SUSE Linux) 4.8.1
GNU Fortran (SUSE Linux) 4.8.1
(cmake and autotools)
Ubuntu 14.04 3.13.0-35-generic #62-Ubuntu SMP x86_64 GNU/Linux
gcc (Ubuntu/Linaro 4.9.1-0ubuntu1) 4.9.1
GNU Fortran (Ubuntu/Linaro 4.9.1-0ubuntu1) 4.9.1
(cmake and autotools)
hopper.nersc.gov PrgEnv-gnu/5.2.40
gcc (GCC) 4.9.2 20141030 (Cray Inc.)
GNU Fortran (GCC) 4.9.2 20141030 (Cray Inc.)
g++ (GCC) 4.9.2 20141030 (Cray Inc.)
Known Problems
==============
* On windows platforms in debug configurations, the VFD flush1 tests will fail
with the split and multi VFD drivers. These tests will display a modal debug
dialog which must be answered or wait for the test timeout to expire.
(ADB - 2014/06/23 - HDFFV-8851)
* CLANG compiler with the options -fcatch-undefined-behavior and -ftrapv
catches some undefined behavior in the alignment algorithm of the macro DETECT_I
in H5detect.c (Issue 8147). Since the algorithm is trying to detect the alignment
of integers, ideally the flag -fcatch-undefined-behavior shouldn't to be used for
H5detect.c. In the future, we can separate flags for H5detect.c from the rest of
the library. (SLU - 2013/10/16)
* Make provided by Solaris fails in "make check". Solaris users should use
gmake to build and install the HDF5 software. (AKC - 2013/10/08 - HDFFV-8534)
* The C++ and FORTRAN bindings are not currently working on FreeBSD with the
native release 8.2 compilers (4.2.1), but are working with gcc 4.6 from the
ports (and probably gcc releases after that).
(QAK - 2012/10/19)
* The following h5dump test case fails in BG/P machines (and potentially other
machines that use a command script to launch executables):
h5dump --no-compact-subset -d "AHFINDERDIRECT::ah_centroid_t[0] it=0 tl=0"
tno-subset.h5
This is due to the embedded spaces in the dataset name being interpreted
by the command script launcher as meta-characters, thus passing three
arguments to h5dump's -d flag. The command passes if run by hand, just
not via the test script.
(AKC - 2012/05/03)
* The STDIO VFD does not work on some architectures, possibly due to 32/64
bit or large file issues. The basic STDIO VFD test is known to fail on
64-bit SunOS 5.10 on SPARC when built with -m64 and 32-bit OS X/Darwin
10.7.0. The STDIO VFD test has been disabled while we investigate and
a fix should appear in a future release.
(DER - 2011/10/14 - HDFFV-8235)
* h5diff can report inconsistent results when comparing datasets of enum type
that contain invalid values. This is due to how enum types are handled in
the library and will be addressed in a future release.
(DER - 2011/10/14 - HDFFV-7527)
* The links test can fail under the stdio VFD due to some issues with external
links. This will be investigated and fixed in a future release.
(DER - 2011/10/14 - HDFFV-7768)
* After the shared library support was fixed for some bugs, it was discovered
that "make prefix=XXX install" no longer works for shared libraries. It
still works correctly for static libraries. Therefore, if you want to
install the HDF5 shared libraries in a location such as /usr/local/hdf5,
you need to specify the location via the --prefix option during configure
time. E.g, ./configure --prefix=/usr/local/hdf5 ...
(AKC - 2011/05/07 - HDFFV-7583)
* The parallel test, t_shapesame, in testpar/, may run for a long time and may
be terminated by the alarm signal. If that happens, one can increase the
alarm seconds (default is 1200 seconds = 20 minutes) by setting the
environment variable, $HDF5_ALARM_SECONDS, to a larger value such as 3600
(60 minutes). Note that the t_shapesame test may fail in some systems
(see the "While working on the 1.8.6 release..." problem below). If
it does, it will waste more time if $HDF5_ALARM_SECONDS is set
to a larger value.
(AKC - 2011/05/07)
* Shared Fortran libraries are not quite working on AIX. While they are
generated when --enable-shared is specified, the fortran and hl/fortran
tests fail. the issue. HL and C++ shared libraries should now be
working as intended, however.
(MAM - 2011/04/20)
* While working on the 1.8.6 release of HDF5, a bug was discovered that can
occur when reading from a dataset in parallel shortly after it has been
written to collectively. The issue was exposed by a new test in the parallel
HDF5 test suite, but had existed before that. We believe the problem lies with
certain MPI implementations and/or file systems.
We have provided a pure MPI test program, as well as a standalone HDF5
program, that can be used to determine if this is an issue on your system.
They should be run across multiple nodes with a varying number of processes.
These programs can be found at:
http://www.hdfgroup.org/ftp/HDF5/examples/known_problems/
(NAF - 2011/01/19)
* All the VFL drivers aren't backward compatible. In H5FDpublic.h, the
structure H5FD_class_t changed in 1.8. There is new parameter added to
get_eoa and set_eoa callback functions. A new callback function
get_type_map was added in. The public function H5FDrealloc was taken
out in 1.8. The problem only happens when users define their own driver
for 1.6 and try to plug in 1.8 library. Because there's only one user
complaining about it, we (Elena, Quincey, and I) decided to leave it as
it is (see bug report #1279). Quincey will make a plan for 1.10.
(SLU - 2010/02/02)
* The --enable-static-exec configure flag will only statically link libraries
if the static version of that library is present. If only the shared version
of a library exists (i.e., most system libraries on Solaris, AIX, and Mac,
for example, only have shared versions), the flag should still result in a
successful compilation, but note that the installed executables will not be
fully static. Thus, the only guarantee on these systems is that the
executable is statically linked with just the HDF5 library.
(MAM - 2009/11/04)
* A dataset created or rewritten with a v1.6.3 library or after cannot be read
with the v1.6.2 library or before when the Fletcher32 EDC filter is enabled.
There was a bug in the calculation of the Fletcher32 checksum in the
library before v1.6.3; the checksum value was not consistent between big-
endian and little-endian systems. This bug was fixed in Release 1.6.3.
However, after fixing the bug, the checksum value was no longer the same as
before on little-endian system. Library releases after 1.6.4 can still read
datasets created or rewritten with an HDF5 library of v1.6.2 or before.
(SLU - 2005/06/30)
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