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authorRaymond Lu <songyulu@hdfgroup.org>2006-10-10 20:07:16 (GMT)
committerRaymond Lu <songyulu@hdfgroup.org>2006-10-10 20:07:16 (GMT)
commit65d30cc9c36b782c704daeb4b3f75cdbc7bff680 (patch)
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parent176f59f0f4aaadf3c5fe8637b9478a627b43c076 (diff)
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[svn-r12739] Added Direct I/O driver to VFD. It's only supported by SGI Altix (cobalt). There's a configure
option --enable-direct-vfd/--disable-direct-vfd to enable/disable Direct I/O support. The default is enabled. There's a small test in test/vfd.c. Another way to test it is to set environment variable HDF5_DRIVER to "direct" and run "make check" in the test/ directory. There'll be some further improvement in the following checkin including allowing user to provide memory boundary value, file block size, and copying buffer size.
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