| Commit message (Collapse) | Author | Age | Files | Lines |
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Slight modification.
Description:
Several constants were added for the scaleoffset filter in
file H5Zpublic.h and corresponding changes needs to be made
in H5Zscaleoffset.c.
Solution:
Slight modification of codes.
Platforms tested:
heping, shanti
Misc. update:
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Add some comments for H5Pset_scaleoffset.
Description:
Solution:
Platforms tested:
No need to test.
Misc. update:
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Add a few constants for the scaleoffset filter.
Description:
Solution:
Platforms tested:
Misc. update:
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New feature.
Description:
The scaleoffset filter has been implemented for compressing
floating-point data (float, double, but not long double)
using D-scaling method from GRIB. It also changes to
according to the new interface of H5Pset_scaleoffset API.
Solution:
Platforms tested:
heping, copper, shanti
Misc. update:
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New feature.
Description:
The H5Pset_scaleoffset is changed for the scaleoffset filter
to handle both integer and floating-point data. Currently,
the D-scaling method from GRIB has been implemented for
compressing floating-point data.
Solution:
One more parameter is added to the H5Pset_scaleoffset interface
to let user specify what type of data is used and what method
to use as well as corresponding parameters.
Platforms tested:
heping
Misc. update:
Needs to update libtool's version number
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New feature.
Description:
The H5Pset_scaleoffset is changed for the scaleoffset filter
to handle both integer and floating-point data. Currently,
the D-scaling method from GRIB has been implemented for
compressing floating-point data.
Solution:
One more parameter is added to the H5Pset_scaleoffset interface
to let user specify what type of data is used and what method
to use as well as corresponding parameters.
Platforms tested:
heping
Misc. update:
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bug fix (sorta)
Description:
Rename H5_LLONG_TO_FP_CAST_WORKS to H5_LLONG_TO_FP_CAST_BROKEN
Solution:
Since a test for H5_LLONG_TO_FP_CAST_WORKS is not present in the configure script,
the dtransform test would assume that this cast doesn't work and skip the test. Change the variable around
so that, by default, it is assumed a long long to double cast does work.
Platforms tested:
minor change: copper, sol
Misc. update:
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Bug fix
Description:
The intel compiler on windows doesn't support long long to double conversion.
Solution:
Added a flag H5_LLONG_TO_FP_CAST_WORKS. When it is not defined, the data transform will issue
an error when someone tries to perform a transform from long long to double and the long long to double
dtransform test will be skipped.
Platforms tested:
heping, sol, copper
Misc. update:
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Bug fix/code cleanup
Description:
Add tests to determine that very long (64K+) object names are working.
Fixed a couple of bugs in h5dump where they weren't...
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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Code cleanup
Description:
Rearrange struct members to fit better on 64-bit machines.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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Code cleanup
Description:
Clean up various warnings reported by the Windows team.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Too minor to require h5committest
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Feature - libtool shared library versioning
Description:
Libtool provides a mechanism for different versions of the same shared
library to be distinguished. Now this is applied to HDF5 when it is
built as a shared library.
Solution:
The version number is stored in config/lt_vers.am, and included in
src/Makefile.am.
This number will be automatically updated by bin/h5vers; developers
only need to update it when they change the API.
*** IMPORTANT ***
Any time the API changes, the version number in config/lt_vers.am must
be updated!
Platforms tested:
mir, eirene, verbena, modi4
Misc. update:
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Bug fix
Description:
Opening a dataset (or named datatype) with "." for the name and using a
group ID for the location ID was not returning an error value.
Solution:
Check the type of the object before attempting to open it (internally,
using a group ID and "." for the name maps to the group object).
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
Too minor to require h5committest
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Bug fix
Description:
Correct typo in "base array" free list macro when free list macros are
disabled.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
Too minor to require h5committest
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Bug fix.
Description:
Several call to macro HGOTO_ERROR passes wrong value to ret_value.
Solution:
Change the value from zero to FAIL.
Platforms tested:
heping
Misc. update:
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Bug fix.
Description:
One call to macro HGOTO_ERROR passes wrong value to ret_value.
Solution:
Change the value from zero to FAIL.
Platforms tested:
heping
Misc. update:
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Description: When stream driver was not enabled, H5FD_STREAM variable
was not define. Fortran compilation failed since H5FD_STREAM
was needed to set up fortran global variables.
Solution: Followed MPIO driver model and defined H5FD_STREAM to be -1
when driver is not enabled.
Platforms tested: heping with --enable(disable)-stream-vfd
Misc. update:
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New feature.
Description:
The scaleoffset filter previously does not use macros to handle
different integer datatype situations.
Solution:
Added macros in the filter for better maintenance and clarity of codes.
Platforms tested:
heping, copper, shanti
Misc. update:
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Minor feature
Description:
If a user configures without C++ or Fortran, 'make' will not recurse into
c++ or fortran directories. However, if the user cd's into these
directories and 'makes,' the Makefiles will attempt to build interfaces
that have not been configured, usually failing.
In an unrelated but minor change, src/H5detect should be compiled with
the -g flag to disable compiler optimizations since it is only
executed once.
Solution:
Make it harder for users to try to compile interfaces that have not been
configured by making c++, fortran, and hl directories not recurse into
their subdirectories unless they have been configured.
Thus, 'make' in /fortran/src will break if Fortran has not been configured,
but 'make' in /fortran will not break.
Platforms tested:
mir, modi4, copper
Misc. update:
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Code optimization
Description:
Add "base" size to array free list code, to accomodate skip list nodes.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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Code optimization
Description:
Reduce overhead for common case of stride==NULL and block==NULL for
H5Sselect_hyperslab() calls.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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Code optimization
Description:
Use Duff's Device to unroll shuffling loop a bit, for ~30% speedup.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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Code cleanup
Description:
Clarify error string.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Too minor to require h5committest
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Description: Removed support for SRB driver
Solution: Removed or modified appropriate files; ran reconfigure
to regenerate Makefile.in and configure files.
Platforms tested: heping and shanti
Misc. update: ran bin/chkmanifest on heping
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Bug fix.
Description:
The current HDF5 library call H5Tget_size when called by the filter
does not give the correct disk size for varible-length and variable-length
string. The filter needs to have another way, if possible, to get their
sizes.
Solution:
The filter can only solve this problem if varible-length and variable-length
string is a member of compound datatype. The filter does not support the
situation where an array datatype has variable-length or variable-length
string as its base datatype.
Platforms tested:
heping, shanti
Misc. update:
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Bug fix (sorta)
Description:
Re-enable free-lists in library.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Too minor to require h5committest
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Activating collective IO supports for irregular selction inside HDF5 dataset.
This support doesn't include to build the final complicated MPI derived datatype support for chunking storage.
Description:
Support collective chunk IO for both contiguous and chunking storage for irregular selection( using H5S_SELECT_OR for multiple hyperslab selection)
Solution:
Using MPI derived datatype to realize this feature.
Problems still need to be investigated:
Big size irregular hyperslab selection test may cause MPI hang or abnormalexit with MPICH family on various platforms. This is really hard to debug since sometimes it can work and sometimes it cannot work. We will continue investigating those cases. This may not be parallel HDF5 bugs since with the recent version of poe at IBM platforms, all tests passed.
Platforms tested:
1. Linux heping 2.4.21-27.0.1 with mpich
2. AIX 5.1 copper with mpcc_r
3. Altix cobalt SGI linux 2.4.21-sgi304rp05031014_10149 with icc -lmpi
4. Linux Cluster SDSC TG, intel 8-r2 with mpich 1.2.5
5. NCSA Linux Cluster Tungsten, MPICH-TCP-1.2.5.2, Intel 8.0 under lustre
6. NCSA Linux Cluster Tungsten, MPICH-LAM-INTEL711, sometimes not working
7. NCSA Linux CLuster Tungsten, champion-pro-1.2.0-3, not working for other collective IO tests, but work for irregular selection collective IO test.
Misc. update:
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Description: Split test/dtypes.c because it's so big. Moved all integer-integer,
floating-floating, integer-floating, floating-integer, derived integer, derived
floating conversion tests to a new test program, dt_atomic.c. The test remains
the same basically.
Platforms tested: fuss and h5committest
Misc. update: MANIFEST
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Configuration feature
Description:
Different Fortran compilers mangle function names in different ways
(upper case, lower case, adding underscores). To link between
Fortran and C functions, we need to know what a given function's
name is under a given compiler.
Solution:
Use autoconf's FC_WRAPPERS check to determine the Fortran
naming scheme and define the FC_FUNC_ macro to name our
functions (in H5f90proto.h). Removed references to
our old FNAME macro, as well as flags that indicated whether
function names were upper or lower case.
Platforms tested:
mir, pommier, modi4, copper, more
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Bug fix
Description:
On some machines, $RUNSERIAL variable needs to be used to run
tests. Set $RUNTESTS (which is used for non-parallel tests) to
be $RUNSERIAL in configure.am.
Also, since I was updating all Makefiles.in anyway, I updated
commence.am to point to autotools installs in AFS instead of
those on heping.
Platforms tested:
mir, sleipnir, modi4, copper
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Purpose:
"Bug fix"
Description:
Hardcoded Makefiles to use /bin/sh instead of letting configure
detect shell automatically. This is what v1.6 does, and avoids
problems on janus.
Platforms tested:
sleipnir, copper, modi4, mir
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Purpose:
Bug fix
Description:
Header was expecting SRB headers to be installed.
Solution:
Only try to include SRB header if SRB is enabled.
Platforms tested:
sleipnir
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New feature
Description:
Add first iteration of "segmented heap" code, which will be used to store
links in groups in a more flexible way than the previous "local heap" mechanism.
Platforms tested:
FreeBSD 4.11 (sleipnir) w/parallel
Solaris 2.9 (shanti)
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New feature
Description:
Search free list when checking for, or actually performing, extension of
an object in the file.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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New feature
Description:
Add wrapper for v2 B-tree "neighbor" routine.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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Fix typo
Description:
Fix typo in comment.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Too minor to require h5committest
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Feature - conditional compilation
Description:
SRB file driver and tests are now compiled only when SRB is enabled
(using --with-srb during configure).
Solution:
Added an automake conditional in configure.in, altered Makefiles.am in
src and test directories to depend on that conditional.
This should make a nice example for posterity to add conditionally
compiled sources.
Platforms tested:
heping (only configure change)
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Description: During last change, part of the code wasn't updated in
copy and paste accordingly. It was in the exception handling of NaN
in H5T_conv_f_f().
Solution: Corrected.
Platforms tested: No test needed - trivial.
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Purpose:
Added C++ wrapper for Packet Table API.
Description:
Added macro for high-level C++ library (LIBH5CPP_HL), which changes every
Makefile.in.
Added directories for high-level C++ library (though currently only Packet
Table API is supported).
Added both C++ source and tests.
Platforms tested:
sleipnir, mir, modi4
Misc. update:
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integers.
Description: The 6th step of changing conversion test. This checkin is
only for conversion of special values from floating-points to integers.
Solution: This test is seperated from regular value conversion. It reuses
the same function test_conv_int_float() in test/dtypes.c. The source buffer
of floating-point type is filled up with 8 special values, +/-0, +/-infinity,
+/-QNaN, +/-SNaN.
Also added 3 new conversion exception values H5T_CONV_EXCEPT_PINF, H5T_CONV_EXCEPT_NINF,
H5T_CONV_EXCEPT_NAN, for floating-point special values positive infinity, negative
infinity, and NaN. These values are for conversion exception callback function defined
through H5Pset_type_conv_cb(). (Remember to update the document!)
Platforms tested: h5committest
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New feature & code cleanup
Description:
Add feature to find first block >= a certain size (useful for allocating
space)
Cleaned up various comments, etc.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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types.
Description: The 5th step of changing conversion test. This checkin is only for conversion
of special values between floating-point types.
Solution: This test is seperated from regular value conversion. It reuse the same function
test_conv_flt_1() in test/dtypes.c. The source buffer of floating-point type is filled up
with 8 special values, +/-0, +/-infinity, +/-QNaN, +/-SNaN.
Platforms tested: h5committest, fuss, and modi4.
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Minor modification.
Description:
Remove some redundant codes.
Solution:
Platforms tested:
heping
Misc. update:
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New feature & bug fix.
Description:
The scaleoffset filter was not completed at last check-in and had quite
a few bugs.
Solution:
The scaleoffset filter is now complete for compressing integers. All previous
bugs have been fixed. The filter does not compress floating-point at present.
The filter only supports integer and floating-point datatypes.
Platforms tested:
heping, copper, shanti
Misc. update:
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Description: The recent change of conversion between floating-point and floating-point types in dtypes.c have
detected some bugs in H5T_conv_f_f in H5Tconv.c.
Solution: This checkin is to fix these bugs. They happened in a few places in H5T_conv_f_f causing incorrect
rounding, denormalization, etc.
Platforms tested: h5committest and modi4
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Optimization
Description:
Speed up I/O on enumerated datatypes (including those nested in compound
datatypes, arrays, etc.) if the destination datatype is a proper superset of
the source datatype.
Solution:
Detect the situation and treat as no-op datatype conversion.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Too minor to require h5committest
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Bug fix
Description:
Opening an object in a group that is located in a file which has been
unmounted would cause a core dump. :-(
Solution:
Re-arrangement internal code to compute internal "user" and "canonical"
names for the newly opened object in a safer way.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Too minor to require h5committest
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New feature
Description:
Add in support for deleting entire block tracker.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Solaris 2.9 (shanti)
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Update comments
Description:
Correct some minor errors in comments/error strings.
Platforms tested:
FreeBSD 4.11 (sleipnir) w/parallel
Solaris 2.9 (shanti)
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