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| author | Quincey Koziol <koziol@lbl.gov> | 2020-09-03 01:43:45 (GMT) |
|---|---|---|
| committer | Quincey Koziol <koziol@lbl.gov> | 2020-09-03 01:44:40 (GMT) |
| commit | 8b48ddb4c8d02aec2bc5e938fe7b789f6ad9c2b2 (patch) | |
| tree | 28bc6bb403403480566b3a8f480040d0cba448d5 /release_docs | |
| parent | 1f54ae64c190e9fca9626a5adee8a2f4b396ccaf (diff) | |
| download | hdf5-8b48ddb4c8d02aec2bc5e938fe7b789f6ad9c2b2.zip hdf5-8b48ddb4c8d02aec2bc5e938fe7b789f6ad9c2b2.tar.gz hdf5-8b48ddb4c8d02aec2bc5e938fe7b789f6ad9c2b2.tar.bz2 | |
Add release note for collective metadata fix
Diffstat (limited to 'release_docs')
| -rw-r--r-- | release_docs/RELEASE.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index a7e8735..2e20886 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -143,6 +143,12 @@ Bug Fixes since HDF5-1.12.0 release ================================== Library ------- + - Fix bug and simplify collective metadata write operation when some ranks + have no entries to contribute. This fixes parallel regression test + failures with IBM SpectrumScale MPI on the Summit system at ORNL. + + (QAK - 2020/09/02) + - Avoid setting up complex MPI types with 0-length vectors, which some MPI implementations don't handle well. (In particular, IBM SpectrumScale MPI on the Summit system at ORNL) |