diff options
Diffstat (limited to 'HDF5Examples/C/H5PAR/ph5example.c')
| -rw-r--r-- | HDF5Examples/C/H5PAR/ph5example.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/HDF5Examples/C/H5PAR/ph5example.c b/HDF5Examples/C/H5PAR/ph5example.c index 5ec2cdc..37d5d68 100644 --- a/HDF5Examples/C/H5PAR/ph5example.c +++ b/HDF5Examples/C/H5PAR/ph5example.c @@ -269,6 +269,24 @@ phdf5writeInd(char *filename) assert(ret != FAIL); MESG("H5Pset_fapl_mpio succeed"); + /* + * 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(acc_tpl1, 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(acc_tpl1, true); + /* create the file collectively */ fid1 = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, acc_tpl1); assert(fid1 != FAIL); |