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Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index e035d03..d309e63 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -47,6 +47,12 @@ New Features Configuration: ------------- + - Added new configure option to support building parallel tools. + See Tools below (autotools - CMake): + --enable-parallel-tools HDF5_BUILD_PARALLEL_TOOLS + + (RAW - 2021/10/25) + - Added new configure options to enable dimension scales APIs (H5DS*) to use new object references with the native VOL connector (aka native HDF5 library). New references are always used for non-native terminal VOL @@ -929,6 +935,19 @@ New Features Tools: ------ + - Added a new (unix ONLY) parallel meta tool 'h5dwalk', which utilizes the + mpifileutils (https://hpc.github.io/mpifileutils) open source utility + library to enable parallel execution of other HDF5 tools. + This approach can greatly enhance the serial hdf5 tool performance over large + collections of files by utilizing MPI parallelism to distribute an application + load over many independent MPI ranks and files. + + An introduction to the mpifileutils library and initial 'User Guide' for + the new 'h5dwalk" tool can be found at: + https://github.com/HDFGroup/hdf5doc/tree/master/RFCs/HDF5/tools/parallel_tools + + (RAW - 2021/10/25) + - Refactored the perform tools and removed depends on test library. Moved the perf and h5perf tools from tools/test/perform to |