diff options
Diffstat (limited to 'release_docs/RELEASE.txt')
-rw-r--r-- | release_docs/RELEASE.txt | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 9e63045..ef3bda0 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -264,21 +264,21 @@ Bug Fixes since HDF5-1.10.3 release Library ------- - - Fix hangs with collective metadata reads during chunked dataset I/O + - Performance issue when closing an object - In the parallel library, it was discovered that when a particular - sequence of operations following a pattern of: + 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. - "write to chunked dataset" -> "flush file" -> "read from dataset" + Improve porformance by skipping the search of the "tag_list" + if there are no "corked" objects when closing an object. - occurred with collective metadata reads enabled, hangs could be - observed due to certain MPI ranks not participating in the collective - metadata reads. + (VC - 2019/2/6) - To fix the issue, collective metadata reads are now disabled during - chunked dataset raw data I/O. + - 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). - (JTH - 2019/02/11, HDFFV-10563, HDFFV-10688) + (NAF - 2019/01/07) - Deleting attributes in dense storage @@ -411,6 +411,11 @@ 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 ================================== @@ -653,6 +658,15 @@ 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 =================== |