diff options
Diffstat (limited to 'release_docs')
| -rw-r--r-- | release_docs/RELEASE.txt | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 4ed8cbe..586d1e4 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -181,11 +181,15 @@ Documentation New Features ============ + * Changed MPI I/O routines to avoid creating MPI derived types (and thus + needing to set the file view) for contiguous selections within datasets, + which should result in some performance improvement for those types of + selections. QAK - 2002/06/18 * Enable MPI type support for collective I/O to be enabled by default. This can be disabled by setting the HDF5_MPI_OPT_TYPES environment variable to the value "0". QAK - 2002/06/14 - * Allow chunks in chunked datasets to be cached when file is opened for - read-only access (bug #709). QAK - 2002/06/10 + * Allow chunks in chunked datasets to be cached when parallel file is + opened for read-only access (bug #709). QAK - 2002/06/10 * Added internal "small data" aggregation, which can reduce the number of actual I/O calls made, improving performance. QAK - 2002/06/05 * Improved internal metadata aggregation, which can reduce the number of |