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| author | Quincey Koziol <koziol@hdfgroup.org> | 2010-07-19 16:35:54 (GMT) |
|---|---|---|
| committer | Quincey Koziol <koziol@hdfgroup.org> | 2010-07-19 16:35:54 (GMT) |
| commit | 71ac1a79962cc2fc1216a9aa57fd8983ad5c29e4 (patch) | |
| tree | adde2b528f5c01ab9ee918051078acbb176d6c62 /release_docs | |
| parent | a37131ef04d9b2aab2ee7adeceea43dbd1670ba2 (diff) | |
| download | hdf5-71ac1a79962cc2fc1216a9aa57fd8983ad5c29e4.zip hdf5-71ac1a79962cc2fc1216a9aa57fd8983ad5c29e4.tar.gz hdf5-71ac1a79962cc2fc1216a9aa57fd8983ad5c29e4.tar.bz2 | |
[svn-r19098] Description:
Add notes for recent performance improvements & bug fixes (r19092 &
r19097).
Diffstat (limited to 'release_docs')
| -rw-r--r-- | release_docs/RELEASE.txt | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 4ec60d4..6d2f45d 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -59,10 +59,15 @@ New Features - Changed configure default setting to --disable-production (was --enable-production). This affects all unoffical releases such as snapshot releases. It will be set to --enable-production for all - official releases. AKC 2010/5/28 + official releases. (AKC - 2010/05/28) Library ------- + - Improved performance of metadata I/O by changing the default algorithm + to perform I/O from all processes (instead of just process 0) when using + parallel I/O drivers. (QAK - 2010/07/19) + - Improved performance of I/O on datasets with the same shape, but + different rank. (QAK - 2010/07/19) - Improved performance of the chunk cache by avoiding unnecessary b-tree lookups of chunks already in cache. (NAF - 2010/06/15) @@ -73,9 +78,9 @@ New Features Tools ----- - h5ls: Add new flag --no-dangling-links. (refer to --help for details) - (JKM - 2010/06/15) + (JKM - 2010/06/15) - h5ls: Add new flag --follow-symlinks. (refer to --help for details) - (JKM - 2010/05/25) + (JKM - 2010/05/25) High-Level APIs --------------- @@ -105,14 +110,17 @@ Bug Fixes since HDF5-1.8.5 and cannot verify their correctness. (AKC - 2010/7/14 - Bug 1921) - PHDF5 changed to use "mpiexec", instead of mpirun, as the default MPI applications startup command as defined in the MPI-2 definition, section - 4.1. (AKC - 2010/6/11 - Bug 1921) + 4.1. (AKC - 2010/06/11 - Bug 1921) Library ------- + - Corrected various issues in the MPI datatype creation code which could + cause resource leaks or incorrect behavior (and may improve the + performance as well). (QAK - 2010/07/19) - Fixed a bug that could cause file corruption when using non-default sizes of addresses and/or lengths. This bug could also cause uncorrupted files with this property to be unreadable. This bug was introduced in 1.8.5. - (NAF - 2010/07/16 - 1951) + (NAF - 2010/07/16 - Bug 1951) Parallel Library ---------------- @@ -121,7 +129,7 @@ Bug Fixes since HDF5-1.8.5 Tools ----- - Change h5ls not to manipulate special characters in object name or - attribute name for smart display. bug#1784 (JKM 2010/06/28) + attribute name for smart display. (JKM 2010/06/28 - Bug 1784) F90 API |