Date: Wed, 27 Oct 1999 18:00:53 -0400 From: W Gerald Hicks <wghicks@bellsouth.net> To: Ilia Chipitsine <ilia@cgilh.chel.su> Cc: questions@FreeBSD.ORG, wghicks@bellsouth.net Subject: Re: why FFS is THAT slower than EXT2 ? Message-ID: <199910272200.SAA26127@bellsouth.net> In-Reply-To: Your message of "Wed, 27 Oct 1999 12:44:42 EDT." <Pine.BSF.4.10.9910271242170.94542-100000@penelope.skunk.org>
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Hmm, was that programmed I/O mode for Linux vs DMA for FreeBSD? One might expect it possible that a device doing programmed I/O might be able to beat out a DMA scheme (for raw throughput) but usually at a cost of being unfair to other processes. A Linux box often "feels" rather jerky to me. Sometimes the numbers it _appears_ to handle might seem very impressive (as do yours) but the story comes out once you put a little processing and I/O load on the system. Put a significant load on your systems and try again ;) Cheers, Jerry Hicks wghicks@bellsouth.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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