[svn-r4501] Snapshot version 1.5 release 11
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HDF Admin
@@ -1,4 +1,4 @@
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HDF5 version 1.5.10 released on Sat Aug 4 03:15:04 CDT 2001
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HDF5 version 1.5.11 released on Sun Sep 30 03:32:03 CDT 2001
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================================================================================
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@@ -29,11 +29,12 @@ CONTENTS
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- Platforms Tested
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- Known Problems
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Bug Fixes since HDF5-1.4.0
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Bug Fixes since HDF5-1.4.2
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==========================
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Library
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-------
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* Fixed bug with contiguous hyperslabs not being detected, causing
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slower I/O than necessary.
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* Fixed bug where non-aligned hyperslab I/O on chunked datasets was
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@@ -60,9 +61,28 @@ Library
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when --enable-hdf5v1_2 configure flag is enabled.
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* Tweaked a few API functions to use 'size_t' instead of 'unsigned' or
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'hsize_t', which may cause errors in some cases.
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* Fixed a bug of H5pubconf.h causing repeated definitions if it is included
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more than once. hdf5.h now includes H5public.h which includes
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H5pubconf.h. Applications should #include hdf5.h which handles multiple
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inclusion correctly.
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* Fixed H5FDmpio.h to be C++ friendly by making Parallel HDF5 API's to be
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external to C++.
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* Fixed a bug in H5FD_mpio_flush() that might result in negative file seek
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if both MPIO and Split-file drivers are used together.
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* Added new parallel hdf5 tests in t_mpi. The new test checks if the
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filesystem or the MPI-IO can really handle greater than 2GB files.
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If it fails, it prints information message only without failing the
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test.
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* Fixed a bug when reading chunked datasets where the edge of the dataset
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would be incorrectly detected and generate an assertion failure.
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* Fixed a bug where reading an entire dataset wasn't being handled
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optimally when the dataset had unlimited dimensions. Dataset is read
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in a single low-level I/O now, instead of being broken into separate
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pieces internally.
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Configuration
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-------------
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* Changed the default value of $NPROCS from 2 to 3 since 3 processes
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have a much bigger chance catching parallel errors than just 2.
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* Basic port to Compaq (nee DEC) Alpha OSF 5.
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@@ -73,6 +93,10 @@ Configuration
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Tools
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-----
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* Fixed segfault when "-v" flag was used with the h5dumper.
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* Fixed so that the "-i" flag works correctly with the h5dumper.
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Documentation
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-------------
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@@ -80,6 +104,9 @@ Documentation
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New Features
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============
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* A helper script called ``h5cc'', which helps compilation of HDF5
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programs, is now distributed with HDF5. See the reference manual
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for information on how to use this feature.
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* C++ API:
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- Added two new member functions: Exception::getFuncName() and
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Exception::getCFuncName() to provide the name of the member
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@@ -114,6 +141,30 @@ New Features
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library to link either with the Trace libraries as before or with the
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Pablo Performance Caputure Facility.
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* Improved regular hyperslab I/O by about a factor of 6 or so.
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* Added two simple parallel performance tests as mpi-perf.c (MPI
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performance) and perf.c (PHDF5 performance) in testpar.
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* Added a parallel HDF5 example examples/ph5example.c to illustrate
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the basic way of using parallel HDF5.
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* Added a new public macro, H5_VERS_INFO, which is a string holding
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the HDF5 library version information. This string is also compiled
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into all HDF5 binary code which helps to identify the version
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information of the binary code. One may use the Unix strings
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command on the binary file and looks for the pattern "HDF5 library
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version".
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* Added new checking in H5check_version() to verify the five HDF5 version
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information macros (H5_VERS_MAJOR, H5_VERS_MINOR, H5_VERS_RELEASE,
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H5_VERS_SUBRELEASE and H5_VERS_INFO) are consistent.
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* Added perform programs to test the HDF5 library performance. Programs
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are installed in directory perform/.
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* The H5Pset_fapl_split() accepts raw and meta file names similar to the
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syntax of H5Pset_fapl_multi() in addition to what it used to accept.
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* Added a new test to verify the information provided by the configure
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command.
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* As part of the transition to using generic properties everywhere, the
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parameter of H5Pcreate changed from H5P_class_t to hid_t, as well
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the return type of H5Pget_class changed from H5P_class_t to hid_t.
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Further changes are still necessary and will be documented here as they
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are made.
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Platforms Tested
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================
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@@ -155,10 +206,11 @@ Known Problems
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==============
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* DLLs do not work on Windows 98 (and probably on NT and 2000 too)
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* The stream-vfd test uses ip port 10007 for testing. If another application
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is already using that port address, the test will hang indefinitely and
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has to be terminated by the kill command. To try the test again, change
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the port address in test/stream_test.c to one not being used in the host.
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* The stream-vfd test uses ip port 10007 for testing. If another
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application is already using that port address, the test will hang
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indefinitely and has to be terminated by the kill command. To try the
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test again, change the port address in test/stream_test.c to one not
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being used in the host.
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* The --enable-static-exec configure flag fails to compile for Solaris
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platforms. This is due to the fact that not all of the system
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@@ -184,19 +236,20 @@ Known Problems
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* When building hdf5 tools and applications on windows platform, a linking
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warning: defaultlib "LIBC" conflicts with use of other libs will appear
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on debug version when running VC++6.0. This warning doesn't affect building
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and testing hdf5 applications. We will continue investigating this.
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on debug version when running VC++6.0. This warning doesn't affect
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building and testing hdf5 applications. We will continue investigating
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this.
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* h5toh4 converter fails two cases(tstr.h5 and tmany.h5) for release dll version on
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windows 2000 and NT. The reason is possibly due to windows NT DLL
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convention on freeing memory. It seems that memory cannot be free
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across library or DLL. It is still under investigated.
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* h5toh4 converter fails two cases (tstr.h5 and tmany.h5) for release dll
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version on windows 2000 and NT. The reason is possibly due to windows
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NT DLL convention on freeing memory. It seems that memory cannot be
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free across library or DLL. It is still under investigated.
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* The Stream VFD was not tested yet under Windows.
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It is not supported in the TFLOPS machine.
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* The Stream VFD was not tested yet under Windows. It is not supported
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in the TFLOPS machine.
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* Shared library option is broken for IBM SP and some Origin 2000 platforms.
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One needs to run ./configure with '--disable-shared'
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* Shared library option is broken for IBM SP and some Origin 2000
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platforms. One needs to run ./configure with '--disable-shared'
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* The ./dsets tests failed in the TFLOPS machine if the test program,
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dsets.c, is compiled with the -O option. The hdf5 library still works
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@@ -205,30 +258,33 @@ Known Problems
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program to fail.
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* Certain platforms give false negatives when testing h5ls:
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- Solaris x86 2.5.1, Cray T3E and Cray J90 give errors during testing
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when displaying object references in certain files. These are benign
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differences due to the difference in sizes of the objects created on
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those platforms. h5ls appears to be dumping object references
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correctly.
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when displaying object references in certain files. These are
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benign differences due to the difference in sizes of the objects
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created on those platforms. h5ls appears to be dumping object
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references correctly.
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- Cray J90 (and Cray T3E?) give errors during testing when displaying
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some floating-point values. These are benign differences due to the
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different precision in the values displayed and h5ls appears to be
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dumping floating-point numbers correctly.
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some floating-point values. These are benign differences due to
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the different precision in the values displayed and h5ls appears to
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be dumping floating-point numbers correctly.
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* Before building HDF5 F90 Library from source on Crays (T3E and J90)
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replace H5Aff.f90, H5Dff.f90 and H5Pff.f90 files in the fortran/src subdirectory
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in the top level directory with the Cray-specific files from the
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replace H5Aff.f90, H5Dff.f90 and H5Pff.f90 files in the fortran/src
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subdirectory in the top level directory with the Cray-specific files
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from the site:
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ftp://hdf.ncsa.uiuc.edu/pub/ougoing/hdf5/hdf5-1.4.0-beta/F90_source_for_Crays
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directory.
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* The h4toh5 utility produces images that do not correctly conform
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to the HDF5 Image and Palette Specification.
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http://hdf.ncsa.uiuc.edu/HDF5/doc/ImageSpec.html
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Several required HDF5 attributes are omitted, and the dataspace
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is reversed (i.e., the ht. and width of the image dataset is
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incorrectly described.) For more information, please see:
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Several required HDF5 attributes are omitted, and the dataspace is
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reversed (i.e., the ht. and width of the image dataset is incorrectly
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described.) For more information, please see:
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http://hdf.ncsa.uiuc.edu/HDF5/H5Image/ImageDetails.htm
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