linux-kernel - Re: [RFC] div64

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Message-ID: <20070306133608.GB864@one.firstfloor.org>
Date:	Tue, 6 Mar 2007 14:36:08 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	David Miller <davem@...emloft.net>
Cc:	shemminger@...ux-foundation.org, andi@...stfloor.org,
	jengelh@...ux01.gwdg.de, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [RFC] div64_64 support

On Mon, Mar 05, 2007 at 04:25:51PM -0800, David Miller wrote:
> Another thing is that the non-Hacker's Delight version iterates
> differently for different input values, so the input value space is
> very important to consider when comparing these two pieces of code.

I did some stochastic testing on my version. It gave 1 off for < 1% of
the arguments.  Probably not an issue.

Besides it actually works for >2^43 @)

-Andi
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