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author | Jonathan Kim <jkm@hdfgroup.org> | 2012-03-01 22:59:46 (GMT) |
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committer | Jonathan Kim <jkm@hdfgroup.org> | 2012-03-01 22:59:46 (GMT) |
commit | b994a10148512b6f0ea570818f7273f6322dfde3 (patch) | |
tree | ec9ba3a2fb2f5b8af9be08a814cdfb583c167855 /tools/h5dump/h5dump.c | |
parent | 196080ac0fd0df2417bf79481e1ffd47d1b86e89 (diff) | |
download | hdf5-b994a10148512b6f0ea570818f7273f6322dfde3.zip hdf5-b994a10148512b6f0ea570818f7273f6322dfde3.tar.gz hdf5-b994a10148512b6f0ea570818f7273f6322dfde3.tar.bz2 |
[svn-r22012] Purpose:
Task for HDFFV-7862 - Select data by chunk direction to improve performance in h5repack
Description:
h5repack sometimes became very slow when handling big chunked datasets in
certain cases. (when chunk boundary doesn't match with a hyperslab boundary.)
The main issue was from figuring out a hypeslab without considering chunk
boundary to read from and write to such datasets.
The update was made to figure out a better hyperslab unit with considering
chunk boundary to improve performance for such cases prior to the update.
Tested:
jam (linux32-LE), koala (linux64-LE), ostrich (linuxppc64-BE), tejeda (mac32-LE), linew (solaris-BE), Windows
Diffstat (limited to 'tools/h5dump/h5dump.c')
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