A Tuesday 20 April 2010 18:24:06 Werner Benger escrigué: > Hm, H5FD_CORE would be more portable as it were independent of a > Linux-specific solution, might be more efficient as it avoids going > through an file system emulation layer,
In my experience during reading benchmarks, the file system layer overhead should be negligible compared with the HDF5 one, because the CORE driver performs (once setup) exactly at the same speed than H5FD_SEC2. > and gives more application > control about the memory being used. Another difference might be > that malloce'd memory might end up on the harddisk when being > swapped out by the OS, whereas a ramdisk I think can be configured > to never be swapped to disk and always reside in memory. Though, > that should also be possibly with some shared memory calls or similar > to some malloc'ed memory. > > That's most of the differences as I can see for now... > > Werner -- Francesc Alted _______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
