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Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index fb2769d..dda3852 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -278,6 +278,16 @@ New Features Library: -------- + - Implemented optimized support for vector I/O in the Subfiling VFD + + Previously, the Subfiling VFD would handle vector I/O requests by + breaking them down into individual I/O requests, one for each entry + in the I/O vectors provided. This could result in poor I/O performance + for features in HDF5 that utilize vector I/O, such as parallel I/O + to filtered datasets. The Subfiling VFD now properly handles vector + I/O requests in their entirety, resulting in fewer I/O calls, improved + vector I/O performance and improved vector I/O memory efficiency. + - Added a simple cache to the read-only S3 (ros3) VFD The read-only S3 VFD now caches the first N bytes of a file stored |