From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dave Eckhardt <davide+p9@cs.cmu.edu>
To: 9fans@9fans.net
In-Reply-To: <ff42eff0-75b4-4d56-8f88-ba1003071f57@m37g2000yqf.googlegroups.com>
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Content-ID: <32034.1267810330.1@lunacy.ugrad.cs.cmu.edu>
Date: Fri,  5 Mar 2010 12:32:10 -0500
Message-ID: <32035.1267810330@lunacy.ugrad.cs.cmu.edu>
Subject: Re: [9fans] pineview atom
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> Actually, even adding it in memory isn't that easy.  In the old days,
> a simple Hamming code was good enough because each bit in a word lived
> on a different chip.  Now memory chips are wider and so the code has
> to account for multi-bit errors (flipping of bits is not independent).

Indeed... http://en.wikipedia.org/wiki/Chipkill

Dave Eckhardt