> > # mount /ext3_fs
> > # time dd if=/ext3_fs/100MiB_file of=/dev/null bs=32k
> >
> > 2.4.20aa1 : 3.3 sec (exactly what I expect to see)
> > 2.5.66 : 6.6 sec
>
> With this test 2.4 will leave a lot more unwritten dirty data in memory.
>
> You should include a `sync' in the timings.
That was reading a file discarding that data. A sync shouldn't make
any difference.
-- Måns Rullgård mru@users.sf.net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/