From owner-freebsd-hackers Wed May 17 21:39:22 1995
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From: "Rodney W. Grimes" <rgrimes@gndrsh.aac.dev.com>
Message-Id: <199505180437.VAA13272@gndrsh.aac.dev.com>
Subject: Re: Adaptec 2940?
To: tom@haven.uniserve.com (Tom Samplonius)
Date: Wed, 17 May 1995 21:37:48 -0700 (PDT)
Cc: gibbs@estienne.CS.Berkeley.EDU, hackers@FreeBSD.org
In-Reply-To: <Pine.BSF.3.91.950517192321.5578C-100000@haven.uniserve.com> from "Tom Samplonius" at May 17, 95 07:30:38 pm
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>
>
> On Mon, 15 May 1995, Justin T. Gibbs wrote:
>
> > > Is it just me, or is the 2940 slower than the 1742 and 2742?
> > >
> > > (BTW, I'm running a kernel supped last week)
> > >
> > >Tom
> >
> > I'll let you know once I get my Pentium machine. :) I don't see
> > any reason why it would be slower than a 2742.
>
> I swapped a ASUS AMD486DX4100 PCI with a 2940, for a AMI 486DX266 EISA
> with a 2742, and found that "iozone auto" would give consistently better
> results. Running top and running two dd's or two iozone's revealed that EISA
> system was using less system and interrupt time for the same job.
> I used a almost current kerenel and the same drives for both.
Which ASUS model of board, there are no less than 3 ASUS PCI 486 MB and
the memory bandwidth on all 3 of them are different.
Wich AMI model motherboard, I don't know how many EISA boards they make.
I suspect you may be comparing CPU <-> memory bandwidth when you look
at the system load more than anything.
--
Rod Grimes rgrimes@gndrsh.aac.dev.com
Accurate Automation Company Custom computers for FreeBSD