From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <andi@firstfloor.org>
Subject: Re: [RFC] div64_64 support
Date: Tue, 6 Mar 2007 20:48:41 +0100
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Cc: Roland Kuhn <rkuhn@e18.physik.tu-muenchen.de>,
	Andi Kleen <andi@firstfloor.org>,
	Eric Dumazet <dada1@cosmosbay.com>,
	Jan Engelhardt <jengelh@linux01.gwdg.de>,
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To: Stephen Hemminger <shemminger@linux-foundation.org>
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On Tue, Mar 06, 2007 at 10:29:41AM -0800, Stephen Hemminger wrote:
> Don't count the existing Newton-Raphson out. It turns out that to get enough
> precision for 32 bits, only 4 iterations are needed. By unrolling those, it
> gets much better timing.

But did you fix the >2^43 bug too?

SGI has already shipped 10TB Altixen, so it's not entirely theoretical.

-Andi