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Diffstat (limited to 'doc/html/ADGuide/RELEASE.txt')
| -rw-r--r-- | doc/html/ADGuide/RELEASE.txt | 114 |
1 files changed, 85 insertions, 29 deletions
diff --git a/doc/html/ADGuide/RELEASE.txt b/doc/html/ADGuide/RELEASE.txt index ca9f927..a2607f5 100644 --- a/doc/html/ADGuide/RELEASE.txt +++ b/doc/html/ADGuide/RELEASE.txt @@ -1,4 +1,4 @@ -HDF5 version 1.5.10 released on Sat Aug 4 03:15:04 CDT 2001 +HDF5 version 1.5.11 released on Sun Sep 30 03:32:03 CDT 2001 ================================================================================ @@ -29,11 +29,12 @@ CONTENTS - Platforms Tested - Known Problems -Bug Fixes since HDF5-1.4.0 +Bug Fixes since HDF5-1.4.2 ========================== Library ------- + * 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 @@ -60,9 +61,28 @@ Library when --enable-hdf5v1_2 configure flag is enabled. * Tweaked a few API functions to use 'size_t' instead of 'unsigned' or 'hsize_t', which may cause errors in some cases. + * Fixed a bug of H5pubconf.h causing repeated definitions if it is included + more than once. hdf5.h now includes H5public.h which includes + H5pubconf.h. Applications should #include hdf5.h which handles multiple + inclusion correctly. + * Fixed H5FDmpio.h to be C++ friendly by making Parallel HDF5 API's to be + external to C++. + * Fixed a bug in H5FD_mpio_flush() that might result in negative file seek + if both MPIO and Split-file drivers are used together. + * Added new parallel hdf5 tests in t_mpi. The new test checks if the + filesystem or the MPI-IO can really handle greater than 2GB files. + If it fails, it prints information message only without failing the + test. + * Fixed a bug when reading chunked datasets where the edge of the dataset + would be incorrectly detected and generate an assertion failure. + * Fixed a bug where reading an entire dataset wasn't being handled + optimally when the dataset had unlimited dimensions. Dataset is read + in a single low-level I/O now, instead of being broken into separate + pieces internally. Configuration ------------- + * Changed the default value of $NPROCS from 2 to 3 since 3 processes have a much bigger chance catching parallel errors than just 2. * Basic port to Compaq (nee DEC) Alpha OSF 5. @@ -73,6 +93,10 @@ Configuration Tools ----- + * Fixed segfault when "-v" flag was used with the h5dumper. + * Fixed so that the "-i" flag works correctly with the h5dumper. + + Documentation ------------- @@ -80,6 +104,9 @@ Documentation New Features ============ + * A helper script called ``h5cc'', which helps compilation of HDF5 + programs, is now distributed with HDF5. See the reference manual + for information on how to use this feature. * C++ API: - Added two new member functions: Exception::getFuncName() and Exception::getCFuncName() to provide the name of the member @@ -114,6 +141,30 @@ New Features library to link either with the Trace libraries as before or with the Pablo Performance Caputure Facility. * Improved regular hyperslab I/O by about a factor of 6 or so. + * Added two simple parallel performance tests as mpi-perf.c (MPI + performance) and perf.c (PHDF5 performance) in testpar. + * Added a parallel HDF5 example examples/ph5example.c to illustrate + the basic way of using parallel HDF5. + * Added a new public macro, H5_VERS_INFO, which is a string holding + the HDF5 library version information. This string is also compiled + into all HDF5 binary code which helps to identify the version + information of the binary code. One may use the Unix strings + command on the binary file and looks for the pattern "HDF5 library + version". + * Added new checking in H5check_version() to verify the five HDF5 version + information macros (H5_VERS_MAJOR, H5_VERS_MINOR, H5_VERS_RELEASE, + H5_VERS_SUBRELEASE and H5_VERS_INFO) are consistent. + * Added perform programs to test the HDF5 library performance. Programs + are installed in directory perform/. + * The H5Pset_fapl_split() accepts raw and meta file names similar to the + syntax of H5Pset_fapl_multi() in addition to what it used to accept. + * Added a new test to verify the information provided by the configure + command. + * As part of the transition to using generic properties everywhere, the + parameter of H5Pcreate changed from H5P_class_t to hid_t, as well + the return type of H5Pget_class changed from H5P_class_t to hid_t. + Further changes are still necessary and will be documented here as they + are made. Platforms Tested ================ @@ -155,10 +206,11 @@ Known Problems ============== * DLLs do not work on Windows 98 (and probably on NT and 2000 too) -* The stream-vfd test uses ip port 10007 for testing. If another application - is already using that port address, the test will hang indefinitely and - has to be terminated by the kill command. To try the test again, change - the port address in test/stream_test.c to one not being used in the host. +* The stream-vfd test uses ip port 10007 for testing. If another + application is already using that port address, the test will hang + indefinitely and has to be terminated by the kill command. To try the + test again, change the port address in test/stream_test.c to one not + being used in the host. * The --enable-static-exec configure flag fails to compile for Solaris platforms. This is due to the fact that not all of the system @@ -184,19 +236,20 @@ Known Problems * When building hdf5 tools and applications on windows platform, a linking warning: defaultlib "LIBC" conflicts with use of other libs will appear - on debug version when running VC++6.0. This warning doesn't affect building - and testing hdf5 applications. We will continue investigating this. + on debug version when running VC++6.0. This warning doesn't affect + building and testing hdf5 applications. We will continue investigating + this. -* h5toh4 converter fails two cases(tstr.h5 and tmany.h5) for release dll version on - windows 2000 and NT. The reason is possibly due to windows NT DLL - convention on freeing memory. It seems that memory cannot be free - across library or DLL. It is still under investigated. +* h5toh4 converter fails two cases (tstr.h5 and tmany.h5) for release dll + version on windows 2000 and NT. The reason is possibly due to windows + NT DLL convention on freeing memory. It seems that memory cannot be + free across library or DLL. It is still under investigated. -* The Stream VFD was not tested yet under Windows. - It is not supported in the TFLOPS machine. +* The Stream VFD was not tested yet under Windows. It is not supported + in the TFLOPS machine. -* Shared library option is broken for IBM SP and some Origin 2000 platforms. - One needs to run ./configure with '--disable-shared' +* Shared library option is broken for IBM SP and some Origin 2000 + platforms. One needs to run ./configure with '--disable-shared' * The ./dsets tests failed in the TFLOPS machine if the test program, dsets.c, is compiled with the -O option. The hdf5 library still works @@ -205,30 +258,33 @@ Known Problems program to fail. * Certain platforms give false negatives when testing h5ls: + - Solaris x86 2.5.1, Cray T3E and Cray J90 give errors during testing - when displaying object references in certain files. These are benign - differences due to the difference in sizes of the objects created on - those platforms. h5ls appears to be dumping object references - correctly. + when displaying object references in certain files. These are + benign differences due to the difference in sizes of the objects + created on those platforms. h5ls appears to be dumping object + references correctly. + - Cray J90 (and Cray T3E?) give errors during testing when displaying - some floating-point values. These are benign differences due to the - different precision in the values displayed and h5ls appears to be - dumping floating-point numbers correctly. + some floating-point values. These are benign differences due to + the different precision in the values displayed and h5ls appears to + be dumping floating-point numbers correctly. * Before building HDF5 F90 Library from source on Crays (T3E and J90) - replace H5Aff.f90, H5Dff.f90 and H5Pff.f90 files in the fortran/src subdirectory - in the top level directory with the Cray-specific files from the + replace H5Aff.f90, H5Dff.f90 and H5Pff.f90 files in the fortran/src + subdirectory in the top level directory with the Cray-specific files + from the site: + ftp://hdf.ncsa.uiuc.edu/pub/ougoing/hdf5/hdf5-1.4.0-beta/F90_source_for_Crays - directory. * The h4toh5 utility produces images that do 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: + 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 |