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128 lines
4.3 KiB
Plaintext
128 lines
4.3 KiB
Plaintext
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HDF5 Release 1.3.x
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Under Development
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INTRODUCTION
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This document describes the differences between HDF5-1.2.0 and
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HDF5-1.3.x, and contains information on the platforms where HDF5-1.3.x
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was tested (????? careful, under construction)
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and known problems in HDF5-1.3.x. For more details check the
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HISTORY file in the HDF5 source.
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The HDF5 documentation can be found on the NCSA ftp server
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(ftp.ncsa.uiuc.edu) in the directory:
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/HDF/HDF5/docs/
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For more information look at the HDF5 home page at:
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http://hdf.ncsa.uiuc.edu/HDF5/
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If you have any questions or comments, please send them to:
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hdfhelp@ncsa.uiuc.edu
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CONTENTS
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- New features
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- Bug fixes since HDF5-1.2.0
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- Platforms Tested
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- Known Problems
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New features
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============
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VFL(?)
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* New features added to snapshots. Use 'snapshot help' to see a
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complete list of features.
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Bug fixes since HDF5-1.2.0
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==========================
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Library
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-------
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* Corrected a floating point number conversion error for the
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Cray J90 platform. The error did not convert the value 0.0
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correctly.
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* Error was fixed which was not allowing dataset region references to have
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their regions retrieved correctly.
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* Corrected a bug that caused non-parallel file drivers to fail in
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the parallel version.
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* Added internal free-lists to reduce memory required by the library and
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H5garbage_collect API function
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* Fixed error in H5Giterate which was not updating the "index" parameter
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correctly.
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* Fixed error in hyperslab iteration which was not walking through the
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correct sequence of array elements if hyperslabs were staggered in a
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certain pattern
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* Fixed several other problems in hyperslab iteration code.
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Configuration
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-------------
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* The hdf5.h include file was fixed to allow the HDF5 Library to be compiled
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with other libraries/applications that use GNU autoconf.
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* Configuration for parallel HDF5 was improved. Configure now attempts to
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link with libmpi.a and/or libmpio.a as the MPI libraries by default.
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It also uses "mpirun" to launch MPI tests by default. It tests to
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link MPIO routines during the configuration stage, rather than failing
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later as before. One can just do "./configure --enable-parallel"
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if the MPI library is in the system library.
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Tools
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------
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* h5dump correctly displays compound datatypes.
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* Corrected an error in h5toh4 which did not convert the 32bits
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int from HDF5 to HDF4 corectly for the T3E platform.
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* h5dump correctly displays the committed copy of predefined types
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correctly.
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* Added an option, -V, to show the version information of h5dump.
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* Fixed a core dumping bug of h5toh4 when executed on platforms like
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TFLOPS.
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* The test script for h5toh4 used to not able to detect the hdp
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dumper command was not valid. It now detects and reports the
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failure of hdp execution.
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Documentation
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-------------
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* User's Guide and Reference Manual were updated.
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See doc/html/PSandPDF/index.html for more details.
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Platforms Tested:
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================
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Note: Due to the nature of bug fixes, only static versions of the library and tools were tested.
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AIX 4.3.2 (IBM SP) 3.6.6
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Cray T3E 2.0.4.81 cc 6.3.0.1
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mpt.1.3
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FreeBSD 3.3-STABLE gcc 2.95.2
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HP-UX B.10.20 HP C HP92453-01 A.10.32
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IRIX 6.5 MIPSpro cc 7.30
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IRIX64 6.5 (64 & n32) MIPSpro cc 7.3.1m
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mpt.1.3 (SGI MPI 3.2.0.0)
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Linux 2.2.10 SuSE egcs-2.91.66 configured with
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(i686-pc-linux-gnu) --disable-hsizet
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mpich-1.2.0 egcs-2.91.66 19990314/Linux
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OSF1 V4.0 DEC-V5.2-040
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SunOS 5.6 cc WorkShop Compilers 4.2 no optimization
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SunOS 5.7 cc WorkShop Compilers 5.0
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TFLOPS 2.8 cicc (pgcc Rel 3.0-5i)
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mpich-1.1.2 with local changes
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Windows NT4.0 sp5 MSVC++ 6.0
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Known Problems:
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==============
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o SunOS 5.6 with C WorkShop Compilers 4.2: Hyperslab selections will
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fail if library is compiled using optimization of any level.
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