diff options
Diffstat (limited to 'release_docs/RELEASE.txt')
| -rw-r--r-- | release_docs/RELEASE.txt | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 18f8047..1734c01 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -127,7 +127,11 @@ New Features Library: -------- - - + - Added new API function H5Pget_actual_selection_io_mode() + + This function allows the user to determine if the library performed + selection I/O, vector I/O, or scalar (legacy) I/O during the last HDF5 + operation performed with the provided DXPL. Parallel Library: @@ -325,7 +329,18 @@ Bug Fixes since HDF5-1.14.2 release Tools ----- - - + - Fixed an issue with unmatched MPI messages in ph5diff + + The "manager" MPI rank in ph5diff was unintentionally sending "program end" + messages to its workers twice, leading to an error from MPICH similar to the + following: + + Abort(810645519) on node 1 (rank 1 in comm 0): Fatal error in internal_Finalize: Other MPI error, error stack: + internal_Finalize(50)...........: MPI_Finalize failed + MPII_Finalize(394)..............: + MPIR_Comm_delete_internal(1224).: Communicator (handle=44000000) being freed has 1 unmatched message(s) + MPIR_Comm_release_always(1250)..: + MPIR_finalize_builtin_comms(154): Performance |