| Commit message (Collapse) | Author | Age | Files | Lines |
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dataspace selection went wrong when
the selection of some dimensions are full and these dimensions are optimized through
"flattenning". The calculation of the coordinates wasn't general enough in H5Shyper.c. Also
added a test program for it.
Tested on smirom only because the same code was tested on 3 platforms for v1.8.
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Tested platform: Kagiso (serial, pp)
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Code cleanup
Description:
Trim trailing whitespace, which is making 'diff'ing the two branches
difficult.
Solution:
Ran this script in each directory:
foreach f (*.[ch] *.cpp)
sed 's/[[:blank:]]*$//' $f > sed.out && mv sed.out $f
end
Platforms tested:
FreeBSD 4.11 (sleipnir)
Too minor to require h5committest
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Bug fix
Description:
Don't perform hyperslab operations on non-hyperslab selections.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Too minor to require h5committest
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Bug fix
Description:
Hyperslab selections that had a selection offset and were applied to a
chunked dataset could get into an infinite loop or core dump if the same
selection was used multiple times, with different selection offsets.
Solution:
"Normalize" the selection with the selection offset, generate the
selections for the chunks overlapped and then "denormalize" the selection.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Too minor to require h5committest
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Code cleanup
Description:
Simplify the "zero-sized hyperslab" handling.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Too minor to require h5committest
Misc. update:
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Bug fix
Description:
Fix problems with hyperslab operations with hyperslabs that have count == 0
or block == 0 values. (bugzilla #294)
Solution:
Detect zero sized selections and translate into appropriate action on the
current hyperslab, rather than go through the formality of generating span
trees with zero-sized spans, etc.
Platforms tested:
FreeBSD 4.11 (sleipnir) w/parallel
Too minor to require h5committest
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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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Description: Removed PABLO instrumentation from HDF5 source
Solution:
Platforms tested: arabica, copper (parallel), mir
Misc. update:
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Bug Fix/Code Cleanup/Doc Cleanup/Optimization/Branch Sync :-)
Description:
Generally speaking, this is the "signed->unsigned" change to selections.
However, in the process of merging code back, things got stickier and stickier
until I ended up doing a big "sync the two branches up" operation. So... I
brought back all the "infrastructure" fixes from the development branch to the
release branch (which I think were actually making some improvement in
performance) as well as fixed several bugs which had been fixed in one branch,
but not the other.
I've also tagged the repository before making this checkin with the label
"before_signed_unsigned_changes".
Platforms tested:
FreeBSD 4.10 (sleipnir) w/parallel & fphdf5
FreeBSD 4.10 (sleipnir) w/threadsafe
FreeBSD 4.10 (sleipnir) w/backward compatibility
Solaris 2.7 (arabica) w/"purify options"
Solaris 2.8 (sol) w/FORTRAN & C++
AIX 5.x (copper) w/parallel & FORTRAN
IRIX64 6.5 (modi4) w/FORTRAN
Linux 2.4 (heping) w/FORTRAN & C++
Misc. update:
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Bug fix
Description:
Propogate Kent's fix to the hyperslab "add elements" routine back to the
release branch.
Platforms tested:
None - eyeballed only, very minor
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Code cleanup & optimization
Description:
Improve ADF/CGNS benchmark by reducing the number of internal attribute
copies made during creations, opens and writes.
Added new H5O_iterate() routine for iterating through messages of a certain
type in the object header (attributes are the only message currently that can
have multiple instances in the object header).
Cross-pollinated various minor code cleanups to reduce diffs between
branches.
Platforms tested:
FreeBSD 4.10 (sleipnir) w/parallel
Solaris 2.7 (arabica)
Too minor to require h5committest
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Backport feature
Description:
Backport Kent's collective chunk I/O work to date into the release branch.
Also, minor code cleanups, etc.
Platforms tested:
FreeBSD 4.10 (sleipnir) w/parallel
IRIX64 6.5 (modi4)
h5committested
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Code cleanup
Description:
Clean up almost all warnings from Windows builds.
Platforms tested:
FreeBSD 4.10 (sleipnir) w/parallel
Too minor to require h5committest
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Code cleanup
Description:
Reduce compiler warnings on SGI IRIX
Platforms tested:
FreeBSD 4.10 (sleipnir)
SGI IRIX6 (Cheryl's machine)
Too minor to require full h5committest
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Code optimization
Description:
Be smarter about copying hyperslab selection data and avoid memcpy() calls.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.10 (sleipnir) w/parallel
Too minor to require h5committest
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Code cleanup & optimization
Description:
Remove old structures that used a union to store information about the
dataspace extent and just store the information directly in the dataspace
extent itself.
Remove ifdef'd references to permutation ordering in dataspaces. We'll
definitely need more than this code if/when we implement this feature.
Change allocation of dataspace information from calloc() to malloc().
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.10 (sleipnir) w/parallel
Too minor to require h5committest
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Code optimization
Description:
Revised dataspace selections to use a more "object oriented" mechanism
to set the function pointers for each selection and selection iterator. This
reduces the amount and number of times that dataspace selection info has to
be copied.
Additionally, change hyperslab selection information to be dynamically
allocated instead of an inline struct.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.10 (sleipnir) w/parallel
Too minor to require h5committest
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Code optimization
Description:
Expand the use of macros to inline trivial function pointer lookup and
calls to reduce the overall number of functions invoked during normal operation
of the library.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir) w/parallel
Too minor to require h5committest
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Code optimization
Description:
Don't make a separate allocation for the selection offset - incorporate
it into the selection structure as a fixed size array.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir) w/parallel
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Code optimization
Description:
Defer creating the span trees for hyperslab selections until they are
actually needed (which may be never, in certain circumstances).
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir) w/parallel
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Code optimization
Description:
Further reduce the number of copies we make of a hyperslab selection for
chunked I/O, especially when we are only going to throw the old selection away
for a new one.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir) w/parallel
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Code optimization
Description:
Move the element size for the selection into the selection iterator instead
of always passing it as a parameter.
Also, eleminate another 64-bit multiply for "all" selections.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir)
too minor to require h5committest
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Code optimization
Description:
Stop straddling the line and always use elements instead of bytes to
determine how how I/O to perform on a selection.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir)
too minor to require h5committest
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Code optimization
Description:
Eliminate more redundant 64-bit multiplies
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir)
too minor to require h5committest
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Code optimization
Description:
Eliminate frivolous 64-bit multiply.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir)
too minor to require h5committest
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Code optimization
Description:
Remove extraneous memcpy()
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir)
too minor to require h5committest
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Code cleanup
Description:
Remove "NEW_HYPERSLAB_API" code from release branch, since it was leftover
from when we branched the 1.6 branch from the main development trunk and will
never be activated in the 1.6 branch. (And I'm tired of maintaining it in
both branches when I'm optimizing the library :-)
Platforms tested:
FreeBSD 4.9 (sleipnir)
Linux 2.4 (verbena) w/FORTRAN
too minor to require full h5committest
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Code optimization
Description:
Instead of dynamicly allocating various arrays for various pieces of
information about a selection or selection iterator, just use fixed size
array of size H5S_MAX_RANK (as the rest of the library does).
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir)
h5committest
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Code optimization
Description:
Instead of re-initializing the default stride & block arrays to have values
of '1' in each position each time we perform a hyperslab selection, create
static constant arrays with '1's in them.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir)
too minor to require h5committest
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Code optimization
Description:
Don't copy hyperslab span information as much.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir)
too minor to require h5committest
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Code optimization
Description:
Remove a memcpy() from a commonly called routine and replace a multiplication
with a series of additions.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir)
too minor to require h5committest
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Code optimization
Description:
Avoid another extraneous dataspace copy.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir) w/parallel
too minor to require h5committest
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Code optimization
Description:
Change algorithm to directly use coordinates describing a chunk's position
in a dataspace instead of creating a dataspace with the chunk's position
selected. This reduces the number of copies of dataspaces we need to keep
around.
Platforms tested:
Solaris 2.7 (arabica)
FreeBSD 4.9 (sleipnir) w/parallel
too minor to require h5committest
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Correct typo in comment
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Code optimization
Description:
Eliminate unnecessary allocation and point at existing data structure
instead.
Platforms tested:
Solaris 2.7 (arabica)
too minor to require h5committest
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Code optimization
Description:
Fix H5S_select_hyperslab to use arrays on the stack instead of dynamically
allocating them each time.
Platforms tested:
Solaris 2.7 (arabica)
too small to require h5committest
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Code optimization
Description:
Minor tweaks on the optimized offset/length sequence generator to improve
performance by reducing the number of 64-bit multiplies and calls to memcpy().
Platforms tested:
Solaris 2.7 (arabica)
too minor to require h5committest
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Bug fix
Description:
Fixed bug in hyperslab iteration where certain combinations of flattened
and non-flattened dimensions would cause incorrect locations to be iterated
over.
Platforms tested:
FreeBSD 4.9 (sleipnir)
too minor to require h5committest
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Bug fix.
Description:
Using a selection offset with hyperslab selections in chunked datasets
was getting into an infinite loop and hanging the application.
Solution:
Apply the selection offset to the hyperslab selection properly.
Platforms tested:
FreeBSD 4.9 (sleipnir) w & w/o parallel
h5committest
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Code cleanup
Description:
Clean up compiler warnings, especially the 'FUNC' variable not used which
comes out in production mode.
Solution:
Had to add a new FUNC_ENTER_NOAPI_NOINIT_NOFUNC macro for those non-API
functions which don't need the 'FUNC' variable defined. (This will be _so_
much easier when C99 is standard on all our supposed platforms, since it has a
__FUNC__ macro... )
Platforms tested:
FreeBSD 4.9 (sleipnir)
too minor for h5committest (although there were lots of files changed, the
change was minor in each one)
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Bug fix
Description:
Single hyperslab selections (which were set with only one call to
H5Sselect_hyperslab) that had dimensions that could be "flattened" but were
interspersed with dimensions that could not be flattened were not correctly
handled, causing core dumps.
Solution:
Re-work "flattening" code to handle this case properly.
Platforms tested:
FreeBSD 4.9 (sleipnir)
h5committest
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Update code
Description:
Move "PABLO_MASK" definition above header file inclusion to avoid problems
with inline functions in header files.
Platforms tested:
FreeBSD 4.8 (sleipnir)
h5committest
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Code cleanup
Description:
Correct a couple of mistakes in error macros.
Platforms tested:
FreeBSD 4.8 (sleipnir)
triple check not necesssary.
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Bug fix
Description:
An earlier checkin changed some of the assumptions about single block
hyperslabs, causing them to fail in odd ways.
Solution:
Fix errors with single block hyperslabs by keying off of count==1 instead
of stride==1.
Platforms tested:
FreeBSD 4.8 (sleipnir) w/parallel
h5committested
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Code cleanup & performance improvements
Description:
Optimize hyperslabs that are built to detect situations where "regular"
hyperslabs can be recovered from span tree descriptions.
Also, improve "same shape" routine to correctly work with all the different
combinations of selections.
Platforms tested:
FreeBSD 4.8 (sleipnir) w/C++
FreeBSD 4.8 (sleipnir) w/parallel
h5committested
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Performance improment
Description:
Speed up chunked dataset I/O. This breaks down into several areas:
- Compute chunk selections in the file by using hyperslab operations
instead of iterating over each element in the selection.
- If the file and memory selections are the same shape, use the file
chunk selections to compute the memory chunk selections.
This required several additional dataspace, dataspace selection and
hyperslab routines.
Platforms tested:
h5committestted (although Fortran tests failed for some reason)
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Bug fix
Description:
(void *)~((size_t)NULL) on the Cray is a different value than
(foo *)~((size_t)NULL) and causes some of the hyperslab algorithms to
fail.
Solution:
Change all the 'void *' forms to 'foo *' forms.
Platforms tested:
Cray SV1
h5committest not needed.
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Description: H5Sselect_hyperslab and H5Sselect_elements didn't check scalar
dataspaces.
Solution: put error detection in those functions.
Platforms tested: eirene(simple change).
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Code cleanup.
Description:
Move many package or internal function prototypes and macro definitions
into tighter scope according to their current use.
Added more comments where appropriate.
Eliminate ancient, unused functions.
Added a couple "accessor" functions to get parts of data structures which
were moved out of scope.
Platforms tested:
h5committested
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