diff options
Diffstat (limited to 'HDF5Examples/C/H5PAR/ph5_filtered_writes.c')
| -rw-r--r-- | HDF5Examples/C/H5PAR/ph5_filtered_writes.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/HDF5Examples/C/H5PAR/ph5_filtered_writes.c b/HDF5Examples/C/H5PAR/ph5_filtered_writes.c index 104704a..34ed2fb 100644 --- a/HDF5Examples/C/H5PAR/ph5_filtered_writes.c +++ b/HDF5Examples/C/H5PAR/ph5_filtered_writes.c @@ -377,14 +377,24 @@ main(int argc, char **argv) H5Pset_fapl_mpio(fapl_id, comm, info); /* - * OPTIONAL: Set collective metadata reads on FAPL to allow - * parallel writes to filtered datasets to perform - * better at scale. While not strictly necessary, - * this is generally recommended. + * OPTIONAL: It is generally recommended to set collective + * metadata reads on FAPL to perform metadata reads + * collectively, which usually allows filtered datasets + * to perform better at scale, although it is not + * strictly necessary. */ H5Pset_all_coll_metadata_ops(fapl_id, true); /* + * OPTIONAL: It is generally recommended to set collective + * metadata writes on FAPL to perform metadata writes + * collectively, which usually allows filtered datasets + * to perform better at scale, although it is not + * strictly necessary. + */ + H5Pset_coll_metadata_write(fapl_id, true); + + /* * OPTIONAL: Set the latest file format version for HDF5 in * order to gain access to different dataset chunk * index types and better data encoding methods. |