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| -rw-r--r-- | release_docs/RELEASE.txt | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 3c9e533..d9016a1 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -89,6 +89,17 @@ New Features (ADB - 2017/04/04, HDFFV-10143) + - H5Dget_chunk_storage_size + + The storage size of a chunk in the file is needed to determine the size + of the buffer to be allocated for reading a chunk directly from a file. + + New API function gets the size in bytes currently allocated within a + file for a raw data chunk in a dataset. This function was added to get + the chunk size in support of the implementation of H5DOread_chunks, but + may also be useful for other purposes. + + (VC - 2017/05/02, HDFFV-9934) C++ API ------- @@ -132,11 +143,15 @@ New Features High-Level APIs --------------- - H5DOread_chunk + + Users wanted to read compressed data directly from a file without any + processing by the HDF5 data transfer pipeline, just as they were able + to write it directly to a file with H5DOwrite_chunk. - New API function, H5DOread_chunk, corresponding to existing function - H5DOwrite_chunk. H5DOread_chunk reads a raw data chunk directly from a - chunked dataset in the file into the application buffer, bypassing the - library’s internal data transfer pipeline, including filters. + New API function, corresponding to existing function H5DOwrite_chunk. + H5DOread_chunk reads a raw data chunk directly from a chunked dataset + in the file into the application buffer, bypassing the library’s internal + data transfer pipeline, including filters. (VC - 2017/05/02, HDFFV-9934) |