@@ -11001,7 +11001,12 @@ this is for the entire section, not individual records.
1100111001@item pnetcdf_subfiling
1100211002(version 1.6.0 and later)
1100311003This hint enables or disables the subfiling feature. Its string value is
11004- either "enable" or "disable".
11004+ either "enable" or "disable". The default is "disable".
11005+ @item nc_num_subfiles
11006+ (version 1.6.0 and later)
11007+ This hint sets the number of subfiles to be created. It takes effect only when
11008+ hint pnetcdf_subfiling is set to "enable". Its default value is 0, equivalent
11009+ to turning off subfiling feature.
1100511010@item nc_in_place_swap
1100611011(version 1.10.0 and later)
1100711012This hint enables or disables in-place byte swap on Little Endian
@@ -11041,6 +11046,35 @@ aggregators make MPI-IO requests to the file. Such strategy can effectively
1104111046reduce communication congestion due to many pending asynchronous messages
1104211047produced in the collective write inside of MPI-IO. Setting this hint to 0
1104311048disables the aggregation, the default mode.
11049+ @item nc_hash_size_dim
11050+ (version 1.13.0 and later)
11051+ This hint sets the size of internal hash table used to store the dimension
11052+ names. When the number of dimensions is large, increasing the value of this
11053+ hint can improve the performance of dimension name lookup operations. The
11054+ default value is 256.
11055+ @item nc_hash_size_var
11056+ (version 1.13.0 and later)
11057+ This hint sets the size of internal hash table used to store the variable
11058+ names. When the number of variables is large, increasing the value of this hint
11059+ can improve the performance of variable name lookup operations. The default
11060+ value is 256.
11061+ @item nc_hash_size_gattr
11062+ (version 1.13.0 and later)
11063+ This hint sets the size of internal hash table used to store the global
11064+ attribute names. When the number of global attributes is large, increasing the
11065+ value of this hint can improve the performance of global attribute name lookup
11066+ operations. The default value is 64.
11067+ @item nc_hash_size_vattr
11068+ (version 1.13.0 and later)
11069+ This hint sets the size of internal hash tables used to store the attribute
11070+ names of each variable. When the number of variable's attributes is large,
11071+ increasing the value of this hint can improve the performance of attribute name
11072+ lookup operations. The default value is 8.
11073+ @item nc_pncio
11074+ (version 1.15.0 and later)
11075+ This hint enables/disables the use of an internal I/O driver, named pncio,
11076+ which implements several strategies for performance improvement. Its string
11077+ value is either "enable" or "disable". The default value is "enable".
1104411078
1104511079@end table
1104611080
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