From ffb8a86cf6ec498c39d874323c2ed37d34aaa951 Mon Sep 17 00:00:00 2001 From: MuQun Yang Date: Fri, 15 Apr 2005 15:20:50 -0500 Subject: [svn-r10614] Purpose: Adding supporting decription for collective irregular selection IO, scaleoffset filter, N-bit filter and updating compiler supported on windows. Description: Solution: Platforms tested: Misc. update: --- release_docs/RELEASE.txt | 48 +++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 41 insertions(+), 7 deletions(-) diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 6f94f4d..fb210b1 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -81,6 +81,44 @@ New Features Library: -------- + - HDF5 supports collective MPI-IO for irregular selection with HDF5 + dataset. Irregular selection is when users use H5Sselect_hyperslab + more than once for the same dataset. + Currently, not all MPI-IO packages support complicated MPI derived + datatype used in the implementation of irregular + selection INSIDE HDF5. + DEC 5.x is not supporting complicated derived datatype. + For AIX 5.1, + if your poe version number is 3.2.0.22 or higher, + please edit powerpc-ibm-aix5.x under hdf5/config, + Find the line with + << hdf5_mpi_complex_derived_datatype_works>> + and comment out this line before the configure. + check poe version with the following command: + lpp -l all | grep ppe.poe + with IRIX 6.5, + if your C compiler version is 7.4 or higher, + please edit irix6.x under hdf5/config, + Find the line with + << hdf5_mpi_complex_derived_datatype_works>> + and comment out this line before the configure. + check cc version with the following command: + cc -version + KY - 2005/04/15 + - HDF5 N-bit filter + HDF5 support N-bit filter from this version, + The N-Bit filter is used effectively for compressing data of N-Bit + datatype as well as compound and array datatype with N-Bit fields. + KY - 2005/04/15 + - HDF5 scaleoffset filter + HDF5 supports scaleoffset filter for users to do data + compression through HDF5 library. + Scale-Offset compression performs a scale and/or offset operation + on each data value and truncates the resulting value to a minimum + number of bits and then stores the data. + Currently only integer datatype + is supported. Please check the HDF5 reference manual for this. + KY - 2005/04/15 - Retired SRB vfd (--with-srb). Functions H5Pset_fapl_srb and H5Pget_fapl_srb were removed. EIP - 2005/04/07 - Retired GASS vfd (--with-gass). Functions H5Pset_fapl_gass and @@ -540,14 +578,10 @@ Platforms Tested IA-64 Linux 2.4.16 ia64 gcc version 2.96 20000731 Intel(R) C++ Version 7.0 Intel(R) Fortran Compiler Version 7.0 - Windows 2000 (NT5.0) MSVC++ 6.0 - MSVC++ .NET - DEC Visual Fortran 6.0 - Intel C and F90 compilers version 7.1 - Code Warrior 8.0 Windows XP MSVC++ 6.0 - MSVC++ .NET - DEC Visual Fortran 6.6 + MSVC++ .NET 2003, + Intel C++ Version 8.1 + DEC Visual Fortran 6.6c MAC OS X Darwin 6.5 gcc and g++ Apple Computer, Inc. GCC version 1161, based on gcc version 3.1 -- cgit v0.12