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Code cleanup
Description:
Limit the scope on more function prototypes/macros/typedefs.
Platforms tested:
FreeBSD 4.8 (sleipnir)
h5committest not necessary.
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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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New feature/enhancement
Description:
Chunked datasets are handled poorly in several circumstances involving
certain selections and chunks that are too large for the chunk cache and/or
chunks with filters, causing the chunk to be read from disk multiple times.
Solution:
Rearrange raw data I/O infrastructure to handle chunked datasets in a much
more friendly way by creating a selection in memory and on disk for each chunk
in a chunked dataset and performing all of the I/O on that chunk at one time.
There are still some scalability (the current code attempts to
create a selection for all the chunks in the dataset, instead of just the
chunks that are accessed, requiring portions of the istore.c and fillval.c
tests to be commented out) and performance issues, but checking this in will
allow the changes to be tested by a much wider audience while I address the
remaining issues.
Platforms tested:
h5committested, FreeBSD 4.8 (sleipnir) serial & parallel, Linux 2.4 (eirene)
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./src/H5D.c
./src/H5Dprivate.h
./src/H5Dpkg.h [REMOVED]
./src/H5Tpkg.h
./src/H5Tprivate.h
Rearranged some header stuff so H5A doesn't have to include
the package-private header files that don't belong to it.
./src/H5E.c
Added the H5E_ATTR message to the major error struct.
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