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Date:      Mon, 27 Jul 1998 09:51:47 +0100 (BST)
From:      Doug Rabson <dfr@nlsystems.com>
To:        "John S. Dyson" <dyson@iquest.net>
Cc:        Terry Lambert <tlambert@primenet.com>, roberto@keltia.freenix.fr, freebsd-current@FreeBSD.ORG
Subject:   Re: New LINT options: what is VM coloring?
Message-ID:  <Pine.BSF.4.01.9807270950190.631-100000@herring.nlsystems.com>
In-Reply-To: <199807262349.SAA05217@dyson.iquest.net>

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On Sun, 26 Jul 1998, John S. Dyson wrote:

> > Actually, the L1 cache is where it's most important (see paper references
> > in my previous posting).  Also, the Alpha can significantly benefit from
> > this, per Digital UNIX:
> >
> Is the L1 cache on the Alpha is direct mapped???  On the X86, it isn't.  When
> actually running tests, it doesn't seem to make ANY differences on the X86,
> due to the very small number of pages, and the mapping scheme.

I'm not too sure what the layout of the alpha caches are.  I expect they
are different on different processor generations.  I really must start
reading the processor manuals for these things...

--
Doug Rabson				Mail:  dfr@nlsystems.com
Nonlinear Systems Ltd.			Phone: +44 181 951 1891
					Fax:   +44 181 381 1039


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