[svn-r10632] Snapshot version 1.7 release 46
This commit is contained in:
HDF Admin
@@ -1,4 +1,4 @@
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HDF5 version 1.7.45 released on Wed Mar 2 08:33:33 CST 2005
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HDF5 version 1.7.46 released on Wed Apr 20 04:46:45 CDT 2005
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================================================================================
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@@ -36,6 +36,28 @@ New Features
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Configuration:
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--------------
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- HDF5 now uses automake 1.9.5 to generate Makefiles.in.
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This has a number of effects on users:
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The Fortran compiler should be set using the environment
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variable $FC, not $F9X. F9X still works, but is depreciated.
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The output of make may be different. This should be only a
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cosmetic effect.
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make depened (or make dep) is no longer recognized, since automake
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handles dependency tracking.
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Some new configure options exist. --enable-dependency-tracking
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and --disable-dependency-tracking are used to control automake's
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dependency tracking. Dependencies are on by default *on most
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platforms and compilers*. If --enable-dependency-tracking is
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used, they will be enabled on any platform. However, this can
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slow down builds or even cause build errors in some cases.
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Likewise, --disable-dependency-tracking can speed up builds and
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avoid some build errors.
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Some make targets have alternate names. make check-install and
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make installcheck do the same thing, for instance.
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pmake on IRIX can be invoked from the root directory, but the
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-V flag must be used to invoke it in any subdirectory or it
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will give an error about undefined variables.
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JML 2005/01 - 2005/03
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- Hardware conversion between long double and integers is also added.
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SLU 2005/02/10
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- Started to support software conversion between long double and
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@@ -59,6 +81,48 @@ New Features
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Library:
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--------
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- HDF5 supports collective MPI-IO for irregular selection with HDF5
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dataset. Irregular selection is when users use H5Sselect_hyperslab
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more than once for the same dataset.
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Currently, not all MPI-IO packages support complicated MPI derived
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datatype used in the implementation of irregular
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selection INSIDE HDF5.
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DEC 5.x is not supporting complicated derived datatype.
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For AIX 5.1,
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if your poe version number is 3.2.0.22 or higher,
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please edit powerpc-ibm-aix5.x under hdf5/config,
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Find the line with
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<< hdf5_mpi_complex_derived_datatype_works>>
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and comment out this line before the configure.
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check poe version with the following command:
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lpp -l all | grep ppe.poe
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with IRIX 6.5,
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if your C compiler version is 7.4 or higher,
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please edit irix6.x under hdf5/config,
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Find the line with
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<< hdf5_mpi_complex_derived_datatype_works>>
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and comment out this line before the configure.
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check cc version with the following command:
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cc -version
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KY - 2005/04/15
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- HDF5 N-bit filter
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HDF5 support N-bit filter from this version,
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The N-Bit filter is used effectively for compressing data of N-Bit
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datatype as well as compound and array datatype with N-Bit fields.
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KY - 2005/04/15
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- HDF5 scaleoffset filter
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HDF5 supports scaleoffset filter for users to do data
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compression through HDF5 library.
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Scale-Offset compression performs a scale and/or offset operation
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on each data value and truncates the resulting value to a minimum
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number of bits and then stores the data.
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Currently only integer datatype
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is supported. Please check the HDF5 reference manual for this.
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KY - 2005/04/15
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- Retired SRB vfd (--with-srb). Functions H5Pset_fapl_srb and
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H5Pget_fapl_srb were removed. EIP - 2005/04/07
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- Retired GASS vfd (--with-gass). Functions H5Pset_fapl_gass and
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H5Pget_fapl_gass are removed too. AKC - 2005/3/3
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- Pablo was removed from the source code EIP - 2005/01/21
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- Modified registration of SZIP to dynamically detect the presence
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or absence of the encoder. Changed configure and Makefiles,
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@@ -150,7 +214,8 @@ New Features
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Fortran Library:
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----------------
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- added missing h5tget_member_class_f function
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EIP 2005/04/06
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- added new functions h5fget_name_f and h5fget_filesize_f
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EIP 2004/07/08
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- h5dwrite/read_f and h5awrite/read_f functions only accept dims parameter
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@@ -178,6 +243,12 @@ New Features
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"<number>:<number>:<number>:<number>" to "<number>:<number>"
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QAK - 2003/08/08
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High-Level APIs:
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------
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- Added Packet Table API for creating tables with less overhead than
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H5TB API. Added C++ wrapper for Packet Tables. See documentation.
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JML - 2004/03/28
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Support for new platforms, languages and compilers.
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=======================================
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@@ -203,6 +274,14 @@ Bug Fixes since HDF5-1.6.0 release
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Library
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-------
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- Fixed error in opening object in group that was opened in mounted
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file which has been unmounted. QAK - 2005/03/17
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- Fixed a racing condition in MPIPOSIX virtual file drive close
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function. Now all processes must completed the close before any
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of them is returned. This prevents some "faster" processes start
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accessing the file for another purpose (e.g., open with truncate)
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while other "slower" processes have not closed the same file with
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the previous purpose. AKC - 2005/03/01
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- H5Tget_member_value calls for enum datatype didn't return correct
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value if H5Tenum_valueof was called first. It's fixed. SLU -
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2005/02/08
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@@ -405,6 +484,8 @@ Bug Fixes since HDF5-1.6.0 release
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Performance
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-------------
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- Optimized I/O for enumerated datatypes that are a superset of source
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enumerated datatype. QAK - 2005/03/19
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- More optimizations to inner loops of datatype conversions for
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integers and floats which give a 10-50% speedup. QAK - 2003/11/07
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- Hoisted invariant 'if/else's out of inner datatype conversion loop for
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@@ -428,6 +509,11 @@ Bug Fixes since HDF5-1.6.0 release
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Documentation
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-------------
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F90 APIs
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--------
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- h5pget_driver_f was returning information that could not be
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interpreted by fortran application program; fixed. EIP - 2005/04/10
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Platforms Tested
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================
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@@ -477,12 +563,12 @@ Platforms Tested
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(Solaris 2.7) WorkShop Compilers 5.0 98/12/15 C++ 5.0
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WorkShop Compilers 5.0 98/10/25
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FORTRAN 90 2.0 Patch 107356-04
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SunOS 5.8/32 Sun WorkShop 6 update 2 C 5.3
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(Solaris 2.8) Sun WorkShop 6 update 2 Fortran 90
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Sun WorkShop 6 update 2 C++ 5.3
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SunOS 5.8/64 Sun WorkShop 6 update 2 C 5.3
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SunOS 5.8 32,46 Sun WorkShop 6 update 2 C 5.3
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(Solaris 2.8) Sun WorkShop 6 update 2 Fortran 90
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Sun WorkShop 6 update 2 C++ 5.3
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SunOS 5.9 32,64 Sun C 5.6 2004/07/15
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(Solaris 2.9) Sun Fortran 95 8.0 2004/07/15
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Sun C++ 5.6 2004/07/15
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TFLOPS r1.0.4 v4.3.3 i386 pgcc Rel 3.1-4i with mpich-1.2.4 with
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local modifications
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IA-32 Linux 2.4.9 gcc 2.96
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@@ -492,14 +578,10 @@ Platforms Tested
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IA-64 Linux 2.4.16 ia64 gcc version 2.96 20000731
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Intel(R) C++ Version 7.0
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Intel(R) Fortran Compiler Version 7.0
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Windows 2000 (NT5.0) MSVC++ 6.0
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MSVC++ .NET
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DEC Visual Fortran 6.0
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Intel C and F90 compilers version 7.1
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Code Warrior 8.0
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Windows XP MSVC++ 6.0
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MSVC++ .NET
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DEC Visual Fortran 6.6
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MSVC++ .NET 2003,
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Intel C++ Version 8.1
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DEC Visual Fortran 6.6c
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MAC OS X Darwin 6.5
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gcc and g++ Apple Computer, Inc. GCC
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version 1161, based on gcc version 3.1
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