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| author | Neil Fortner <fortnern@gmail.com> | 2023-08-24 17:44:34 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-08-24 17:44:34 (GMT) |
| commit | 8063108578873e512c4e5432955086c0bb04b878 (patch) | |
| tree | 01fdb382d20a856ea9af1a0aa3d39476d6c2863d /release_docs/RELEASE.txt | |
| parent | 0a0245d171ab1cd36991c6912c993cf033d83a6f (diff) | |
| download | hdf5-8063108578873e512c4e5432955086c0bb04b878.zip hdf5-8063108578873e512c4e5432955086c0bb04b878.tar.gz hdf5-8063108578873e512c4e5432955086c0bb04b878.tar.bz2 | |
Fix possible performance regression introduced with in-place type conversion in 1.14.2 (#3424)
* Fix possible performance regression introduced with in-place type conversion in 1.14.2 (#3376)
* Add RELEASE.txt entry for compound performance regression fix (#3376) (#3416)
* Fix errors in release notes from forgetting to hit save.
Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index a083c13..40faff6 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -109,7 +109,17 @@ Bug Fixes since HDF5-1.14.2 release =================================== Library ------- - - + - Fixed performance regression with some compound type conversions + + In-place type conversion was introduced for most use cases in 1.14.2. + While being able to use the read buffer for type conversion potentially + improves performance by performing the entire I/O at once, it also + disables the optimized compound type conversion used when the destination + is a subset of the source. Disabled in-place type conversion when using + this optimized conversion and there is no benefit in terms of the I/O + size. + + - Fixed an assertion in a previous fix for CVE-2016-4332 Java Library |