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authorQuincey Koziol <koziol@hdfgroup.org>2004-01-31 01:38:44 (GMT)
committerQuincey Koziol <koziol@hdfgroup.org>2004-01-31 01:38:44 (GMT)
commit138bc92ebdb7c6e1ad379dcdabae21bf0a79ab0d (patch)
tree046bd488f60127ac3a6ba0edbd482b44f022c788 /src/H5.c
parentf499912c3247e592a0eeef7207b917428756b094 (diff)
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[svn-r8126] Purpose:
Bug fix/optimization Description: Address slowdown in MPI-I/O file metadata operations that was introduced mid-stream. We now _require_ a POSIX compliant parallel file system for the MPI-I/O file driver (as well as for the MPI-POSIX file driver). Also optimized file open operation when the file is being created by reducing the number of collective & syncronizing calls. Additionally, refactor the MPI routines into a common place, eliminating duplicated code. Platforms tested: FreeBSD 4.9 (sleipnir) w/parallel h5committest
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