diff options
Diffstat (limited to 'HDF5Examples/C/H5PAR/ph5_dataset.c')
| -rw-r--r-- | HDF5Examples/C/H5PAR/ph5_dataset.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/HDF5Examples/C/H5PAR/ph5_dataset.c b/HDF5Examples/C/H5PAR/ph5_dataset.c index 9b8e8a8..0c25fcc 100644 --- a/HDF5Examples/C/H5PAR/ph5_dataset.c +++ b/HDF5Examples/C/H5PAR/ph5_dataset.c @@ -54,6 +54,24 @@ main(int argc, char **argv) H5Pset_fapl_mpio(plist_id, comm, info); /* + * OPTIONAL: It is generally recommended to set collective + * metadata reads on FAPL to perform metadata reads + * collectively, which usually allows datasets + * to perform better at scale, although it is not + * strictly necessary. + */ + H5Pset_all_coll_metadata_ops(plist_id, true); + + /* + * OPTIONAL: It is generally recommended to set collective + * metadata writes on FAPL to perform metadata writes + * collectively, which usually allows datasets + * to perform better at scale, although it is not + * strictly necessary. + */ + H5Pset_coll_metadata_write(plist_id, true); + + /* * Create a new file collectively and release property list identifier. */ file_id = H5Fcreate(H5FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT, plist_id); |