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Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 85 |
1 files changed, 82 insertions, 3 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 8ee13ef..f9b2362 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -1,4 +1,4 @@ -HDF5 version 1.11.4 currently under development + version 1.11.4 currently under development ================================================================================ @@ -151,11 +151,32 @@ New Features (HDFFV-10287, RAW, 2018/07/18) - - + - Changed the default behavior in parallel when reading the same dataset in its entirely + (i.e. H5S_ALL dataset selection) which is being read by all the processes collectively. + The dataset mush be contiguous, less than 2GB, and of an atomic datatype. + The new behavior is the HDF5 library will use an MPI_Bcast to pass the data read from + the disk by the root process to the remain processes in the MPI communicator associated + with the HDF5 file. + + (MSB - 2019/01/02, HDFFV-10652) Fortran Library: ---------------- - - + - Added new Fortran derived type, c_h5o_info_t, which is interoperable with + C's h5o_info_t. This is needed for callback functions which + pass C's h5o_info_t data type definition. + + (MSB, 2019/01/08, HDFFV-10443) + + - Added new Fortran API, H5gmtime, which converts (C) 'time_t' structure + to Fortran DATE AND TIME storage format. + + (MSB, 2019/01/08, HDFFV-10443) + + - Added new Fortran 'fields' optional parameter to: h5ovisit_f, h5oget_info_by_name_f, + h5oget_info, h5oget_info_by_idx and h5ovisit_by_name_f. + + (MSB, 2019/01/08, HDFFV-10443) C++ Library: ------------ @@ -256,6 +277,35 @@ Bug Fixes since HDF5-1.10.3 release Library ------- + - Performance issue when closing an object + + The slow down is due to the search of the "tag_list" to find + out the "corked" status of an object and "uncork" it if so. + + Improve porformance by skipping the search of the "tag_list" + if there are no "corked" objects when closing an object. + + (VC - 2019/2/6) + + - Fixed a potential invalid memory access and failure that could occur when + decoding an unknown object header message (from a future version of the + library). + + (NAF - 2019/01/07) + + - Deleting attributes in dense storage + + The library aborts with "infinite loop closing library" after + attributes in dense storage are created and then deleted. + + When deleting the attribute nodes from the name index v2 B-tree, + if an attribute is found in the intermediate B-tree nodes, + which may be merged/redistributed in the process, we need to + free the dynamically allocated spaces for the intermediate + decoded attribute. + + (VC - 2018/12/26, HDFFV-10659) + - Allow H5detect and H5make_libsettings to take a file as an argument. Rather than only writing to stdout, add a command argument to name @@ -327,12 +377,27 @@ Bug Fixes since HDF5-1.10.3 release Fortran -------- + - Added symbolic links libhdf5_hl_fortran.so to libhdf5hl_fortran.so and + libhdf5_hl_fortran.a to libhdf5hl_fortran.a in hdf5/lib directory for + autotools installs. These were added to match the name of the files + installed by cmake and the general pattern of hl lib files. We will + change the names of the installed lib files to the matching name in + the next major release. + + (LRK - 2019/01/04, HDFFV-10596) + - Made Fortran specific subroutines PRIVATE in generic procedures. Effected generic procedures were functions in H5A, H5D, H5P, H5R and H5T. (MSB, 2018/12/04, HDFFV-10511) + - Fixed issue with Fortran not returning h5o_info_t field values + meta_size%attr%index_size and meta_size%attr%heap_size. + + (MSB, 2018/1/8, HDFFV-10443) + + Tools ----- - @@ -359,6 +424,11 @@ Bug Fixes since HDF5-1.10.3 release Testing ------- + - Fixed a test failure in testpar/t_dset.c caused by + the test trying to use the parallel filters feature + on MPI-2 implementations. + + (JTH, 2019/2/7) Bug Fixes since HDF5-1.10.2 release ================================== @@ -601,6 +671,15 @@ Bug Fixes since HDF5-1.10.2 release Testing ------- + - The dt_arith test failed on IBM Power8 and Power9 machines when testing + conversions from or to long double types, especially when special values + such as infinity or NAN were involved. In some cases the results differed + by extremely small amounts from those on other machines, while some other + tests resulted in segmentation faults. These conversion tests with long + double types have been disabled for ppc64 machines until the problems are + better understood and can be properly addressed. + + (SRL - 2019/01/07, TRILAB-98) Supported Platforms =================== |