From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andi Kleen Subject: Re: [RFC] div64_64 support Date: Tue, 6 Mar 2007 14:36:08 +0100 Message-ID: <20070306133608.GB864@one.firstfloor.org> References: <20070226143127.5c74bec9@freekitty> <20070305155714.3abe1b5e@freekitty> <20070305.162551.41660347.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: shemminger@linux-foundation.org, andi@firstfloor.org, jengelh@linux01.gwdg.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: David Miller Return-path: Received: from one.firstfloor.org ([213.235.205.2]:44890 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933280AbXCFNgK (ORCPT ); Tue, 6 Mar 2007 08:36:10 -0500 Content-Disposition: inline In-Reply-To: <20070305.162551.41660347.davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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