Messages in this thread | | | Date | Sat, 3 Jan 2004 21:56:42 +0100 | From | Tobias Diedrich <> | Subject | Re: Strange IDE performance change in 2.6.1-rc1 (again) |
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I wrote:
> Valdis.Kletnieks@vt.edu wrote: > > > 'cat' is probably doing a stat() on stdout and seeing it's connected > > to /dev/null and not even bothering to do the write() call. I've seen > > similar behavior in other GNU utilities. > > I can't see any special casing for /dev/null in cat's source, but I > forgot to check dd with bigger block size. It's ok with bs=4096...
However with 2.4 dd performs fine even with bs=512.
-- Tobias PGP: http://9ac7e0bc.2ya.com Be vigilant! np: PHILFUL3 - 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/
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