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| author | Jonathan Kim <jkm@hdfgroup.org> | 2012-03-06 15:41:55 (GMT) |
|---|---|---|
| committer | Jonathan Kim <jkm@hdfgroup.org> | 2012-03-06 15:41:55 (GMT) |
| commit | 185cc9746b5fa539f68f4a16800e34e773fe02d7 (patch) | |
| tree | 780f7bac279def2e15e19fde523867c6069a1d9d /tools/misc | |
| parent | 6a2c50b10af4bc88e4b1a1a95cb3f9be813d61f2 (diff) | |
| download | hdf5-185cc9746b5fa539f68f4a16800e34e773fe02d7.zip hdf5-185cc9746b5fa539f68f4a16800e34e773fe02d7.tar.gz hdf5-185cc9746b5fa539f68f4a16800e34e773fe02d7.tar.bz2 | |
[svn-r22031] 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/misc')
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