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Release information for hdf-5.0.0a
----------------------------------
This release is an beta release for functionality necessary for the
ASCI vector bundle project in a serial environment. Some parallel
support is also available. Other features should be considered alpha
quality.
The following functions are implemented. Errors are returned if an
attempt is made to use some feature which is not implemented and
printing the error stack will show `not implemented yet'.
Library
H5dont_atexit - don't call library close on exit
H5init - initialize library (happens automatically)
H5version - retrieve library version info
Templates
H5Cclose - release template resources
H5Ccopy - copy a template
H5Ccreate - create a new template
H5Cget_chunk - get chunked storage parameters
H5Cget_class - get template class
H5Cget_istore_k - get chunked storage parameters
H5Cget_layout - get raw data layout class
H5Cget_sizes - get address and size sizes
H5Cget_sym_k - get symbol table storage parameters
H5Cget_userblock - get user-block size
H5Cget_version - get file version numbers
H5Cset_chunk - set chunked storage parameters
H5Cset_istore_k - set chunked storage parameters
H5Cset_layout - set raw data layout class
H5Cset_sizes - set address and size sizes
H5Cset_sym_k - set symbol table storage parameters
H5Cset_userblock - set user-block size
Datasets
H5Dclose - release dataset resources
H5Dcreate - create a new dataset
H5Dget_space - get data space
H5Dopen - open an existing dataset
H5Dread - read raw data
H5Dwrite - write raw data
Errors
H5Eclear - clear the error stack
H5Eclose - release an error stack
H5Ecreate - create a new error stack
H5Eprint - print an error stack
H5Epush - push an error onto a stack
Files
H5Fclose - close a file and release resources
H5Fcreate - create a new file
H5Fget_create_template - get file creation template
H5Fis_hdf5 - determine if a file is an hdf5 file
H5Fopen - open an existing file
Groups
H5Gclose - close a group and release resources
H5Gcreate - create a new group
H5Gopen - open an existing group
H5Gpop - pop a group from the cwg stack
H5Gpush - push a group onto the cwg stack
H5Gset - set the current working group (cwg)
Data spaces
H5Pclose - release data space resources
H5Pcreate_simple - create a new simple data space
H5Pget_dims - get data space size
H5Pget_hyperslab - get data space selection
H5Pget_ndims - get data space dimensionality
H5Pget_npoints - get number of selected points
H5Pis_simple - determine if data space is simple
H5Pset_hyperslab - select data points
H5Pset_space - reset data space dimensionality and size
Data types
H5Tclose - release data type resources
H5Tcopy - copy a data type
H5Tcreate - create a new data type
H5Tequal - compare two data types
H5Tfind - find a data type conversion function
H5Tget_class - get data type class
H5Tget_cset - get character set
H5Tget_ebias - get exponent bias
H5Tget_fields - get floating point fields
H5Tget_inpad - get inter-field padding
H5Tget_member_dims - get struct member dimensions
H5Tget_member_name - get struct member name
H5Tget_member_offset - get struct member byte offset
H5Tget_member_type - get struct member type
H5Tget_nmembers - get number of struct members
H5Tget_norm - get floating point normalization
H5Tget_offset - get bit offset within type
H5Tget_order - get byte order
H5Tget_pad - get padding type
H5Tget_precision - get precision in bits
H5Tget_sign - get integer sign type
H5Tget_size - get size in bytes
H5Tget_strpad - get string padding
H5Tinsert - insert struct member
H5Tlock - lock type to prevent changes
H5Tpack - pack struct members
H5Tregister_hard - register specific type conversion function
H5Tregister_soft - register general type conversion function
H5Tset_cset - set character set
H5Tset_ebias - set exponent bias
H5Tset_fields - set floating point fields
H5Tset_inpad - set inter-field padding
H5Tset_norm - set floating point normalization
H5Tset_offset - set bit offset within type
H5Tset_order - set byte order
H5Tset_pad - set padding type
H5Tset_precision - set precision in bits
H5Tset_sign - set integer sign type
H5Tset_size - set size in bytes
H5Tset_strpad - set string padding
H5Tunregister - remove a type conversion function
This release has been tested on UNIX platforms only; specifically:
Linux, FreedBSD, IRIX, Solaris & Dec UNIX.
Release information for parallel HDF5
-------------------------------------
+) Current release supports independent access to fixed dimension datasets
only.
+) The comm and info arguments of H5Cset_mpi are not used. All parallel
I/O are done via MPI_COMM_WORLD. Access_mode for H5Cset_mpi can be
H5ACC_INDEPENDENT only.
+) This release of parallel HDF5 has been tested on SP2 and Origin 2000
systems. It uses the ROMIO version of MPIO interface for parallel
I/O supports.
+) Useful URL's.
Parallel HDF webpage: "http://hdf.ncsa.uiuc.edu/Parallel_HDF/"
ROMIO webpage: "http://www.mcs.anl.gov/home/thakur/romio/"
+) Future plan for parallel HDF5
1) support for Intel Teraflop platform.
2) support for unlimited dimension datasets.
3) support for collective access to datasets.
4) support for independent create/open of datasets.
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